This source file includes following definitions.
- sub2video_get_blank_frame
- sub2video_copy_rect
- sub2video_push_ref
- sub2video_update
- sub2video_heartbeat
- sub2video_flush
- term_exit_sigsafe
- term_exit
- sigterm_handler
- CtrlHandler
- term_init
- read_key
- decode_interrupt_cb
- ffmpeg_cleanup
- remove_avoptions
- assert_avoptions
- abort_codec_experimental
- update_benchmark
- close_all_output_streams
- write_packet
- close_output_stream
- output_packet
- check_recording_time
- do_audio_out
- do_subtitle_out
- do_video_out
- psnr
- do_video_stats
- finish_output_stream
- reap_filters
- print_final_stats
- print_report
- ifilter_parameters_from_codecpar
- flush_encoders
- check_output_constraints
- do_streamcopy
- guess_input_channel_layout
- check_decode_result
- ifilter_has_all_input_formats
- ifilter_send_frame
- ifilter_send_eof
- decode
- send_frame_to_filters
- decode_audio
- decode_video
- transcode_subtitles
- send_filter_eof
- process_input_packet
- print_sdp
- get_format
- get_buffer
- init_input_stream
- get_input_stream
- compare_int64
- check_init_output_file
- init_output_bsfs
- init_output_stream_streamcopy
- set_encoder_id
- parse_forced_key_frames
- init_encoder_time_base
- init_output_stream_encode
- init_output_stream
- report_new_stream
- transcode_init
- need_output
- choose_output
- set_tty_echo
- check_keyboard_interaction
- input_thread
- free_input_thread
- free_input_threads
- init_input_thread
- init_input_threads
- get_input_packet_mt
- get_input_packet
- got_eagain
- reset_eagain
- duration_max
- seek_to_start
- process_input
- transcode_from_filter
- transcode_step
- transcode
- get_benchmark_time_stamps
- getmaxrss
- log_callback_null
- main
#include "config.h"
#include <ctype.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <stdatomic.h>
#include <stdint.h>
#if HAVE_IO_H
#include <io.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswresample/swresample.h"
#include "libavutil/opt.h"
#include "libavutil/channel_layout.h"
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/fifo.h"
#include "libavutil/hwcontext.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/display.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avstring.h"
#include "libavutil/libm.h"
#include "libavutil/imgutils.h"
#include "libavutil/timestamp.h"
#include "libavutil/bprint.h"
#include "libavutil/time.h"
#include "libavutil/thread.h"
#include "libavutil/threadmessage.h"
#include "libavcodec/mathops.h"
#include "libavformat/os_support.h"
# include "libavfilter/avfilter.h"
# include "libavfilter/buffersrc.h"
# include "libavfilter/buffersink.h"
#if HAVE_SYS_RESOURCE_H
#include <sys/time.h>
#include <sys/types.h>
#include <sys/resource.h>
#elif HAVE_GETPROCESSTIMES
#include <windows.h>
#endif
#if HAVE_GETPROCESSMEMORYINFO
#include <windows.h>
#include <psapi.h>
#endif
#if HAVE_SETCONSOLECTRLHANDLER
#include <windows.h>
#endif
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#if HAVE_TERMIOS_H
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <termios.h>
#elif HAVE_KBHIT
#include <conio.h>
#endif
#include <time.h>
#include "ffmpeg.h"
#include "cmdutils.h"
#include "libavutil/avassert.h"
const char program_name[] = "ffmpeg";
const int program_birth_year = 2000;
static FILE *vstats_file;
const char *const forced_keyframes_const_names[] = {
"n",
"n_forced",
"prev_forced_n",
"prev_forced_t",
"t",
NULL
};
typedef struct BenchmarkTimeStamps {
int64_t real_usec;
int64_t user_usec;
int64_t sys_usec;
} BenchmarkTimeStamps;
static void do_video_stats(OutputStream *ost, int frame_size);
static BenchmarkTimeStamps get_benchmark_time_stamps(void);
static int64_t getmaxrss(void);
static int ifilter_has_all_input_formats(FilterGraph *fg);
static int run_as_daemon = 0;
static int nb_frames_dup = 0;
static unsigned dup_warning = 1000;
static int nb_frames_drop = 0;
static int64_t decode_error_stat[2];
static int want_sdp = 1;
static BenchmarkTimeStamps current_time;
AVIOContext *progress_avio = NULL;
static uint8_t *subtitle_out;
InputStream **input_streams = NULL;
int nb_input_streams = 0;
InputFile **input_files = NULL;
int nb_input_files = 0;
OutputStream **output_streams = NULL;
int nb_output_streams = 0;
OutputFile **output_files = NULL;
int nb_output_files = 0;
FilterGraph **filtergraphs;
int nb_filtergraphs;
#if HAVE_TERMIOS_H
static struct termios oldtty;
static int restore_tty;
#endif
#if HAVE_THREADS
static void free_input_threads(void);
#endif
static int sub2video_get_blank_frame(InputStream *ist)
{
int ret;
AVFrame *frame = ist->sub2video.frame;
av_frame_unref(frame);
ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
if ((ret = av_frame_get_buffer(frame, 0)) < 0)
return ret;
memset(frame->data[0], 0, frame->height * frame->linesize[0]);
return 0;
}
static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
AVSubtitleRect *r)
{
uint32_t *pal, *dst2;
uint8_t *src, *src2;
int x, y;
if (r->type != SUBTITLE_BITMAP) {
av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
return;
}
if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
r->x, r->y, r->w, r->h, w, h
);
return;
}
dst += r->y * dst_linesize + r->x * 4;
src = r->data[0];
pal = (uint32_t *)r->data[1];
for (y = 0; y < r->h; y++) {
dst2 = (uint32_t *)dst;
src2 = src;
for (x = 0; x < r->w; x++)
*(dst2++) = pal[*(src2++)];
dst += dst_linesize;
src += r->linesize[0];
}
}
static void sub2video_push_ref(InputStream *ist, int64_t pts)
{
AVFrame *frame = ist->sub2video.frame;
int i;
int ret;
av_assert1(frame->data[0]);
ist->sub2video.last_pts = frame->pts = pts;
for (i = 0; i < ist->nb_filters; i++) {
ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
AV_BUFFERSRC_FLAG_KEEP_REF |
AV_BUFFERSRC_FLAG_PUSH);
if (ret != AVERROR_EOF && ret < 0)
av_log(NULL, AV_LOG_WARNING, "Error while add the frame to buffer source(%s).\n",
av_err2str(ret));
}
}
void sub2video_update(InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub)
{
AVFrame *frame = ist->sub2video.frame;
int8_t *dst;
int dst_linesize;
int num_rects, i;
int64_t pts, end_pts;
if (!frame)
return;
if (sub) {
pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
AV_TIME_BASE_Q, ist->st->time_base);
end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
AV_TIME_BASE_Q, ist->st->time_base);
num_rects = sub->num_rects;
} else {
pts = ist->sub2video.initialize ?
heartbeat_pts : ist->sub2video.end_pts;
end_pts = INT64_MAX;
num_rects = 0;
}
if (sub2video_get_blank_frame(ist) < 0) {
av_log(ist->dec_ctx, AV_LOG_ERROR,
"Impossible to get a blank canvas.\n");
return;
}
dst = frame->data [0];
dst_linesize = frame->linesize[0];
for (i = 0; i < num_rects; i++)
sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
sub2video_push_ref(ist, pts);
ist->sub2video.end_pts = end_pts;
ist->sub2video.initialize = 0;
}
static void sub2video_heartbeat(InputStream *ist, int64_t pts)
{
InputFile *infile = input_files[ist->file_index];
int i, j, nb_reqs;
int64_t pts2;
for (i = 0; i < infile->nb_streams; i++) {
InputStream *ist2 = input_streams[infile->ist_index + i];
if (!ist2->sub2video.frame)
continue;
pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
if (pts2 <= ist2->sub2video.last_pts)
continue;
if (pts2 >= ist2->sub2video.end_pts || ist2->sub2video.initialize)
sub2video_update(ist2, pts2 + 1, NULL);
for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
if (nb_reqs)
sub2video_push_ref(ist2, pts2);
}
}
static void sub2video_flush(InputStream *ist)
{
int i;
int ret;
if (ist->sub2video.end_pts < INT64_MAX)
sub2video_update(ist, INT64_MAX, NULL);
for (i = 0; i < ist->nb_filters; i++) {
ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
if (ret != AVERROR_EOF && ret < 0)
av_log(NULL, AV_LOG_WARNING, "Flush the frame error.\n");
}
}
static void term_exit_sigsafe(void)
{
#if HAVE_TERMIOS_H
if(restore_tty)
tcsetattr (0, TCSANOW, &oldtty);
#endif
}
void term_exit(void)
{
av_log(NULL, AV_LOG_QUIET, "%s", "");
term_exit_sigsafe();
}
static volatile int received_sigterm = 0;
static volatile int received_nb_signals = 0;
static atomic_int transcode_init_done = ATOMIC_VAR_INIT(0);
static volatile int ffmpeg_exited = 0;
static int main_return_code = 0;
static void
sigterm_handler(int sig)
{
int ret;
received_sigterm = sig;
received_nb_signals++;
term_exit_sigsafe();
if(received_nb_signals > 3) {
ret = write(2, "Received > 3 system signals, hard exiting\n",
strlen("Received > 3 system signals, hard exiting\n"));
if (ret < 0) { };
exit(123);
}
}
#if HAVE_SETCONSOLECTRLHANDLER
static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
{
av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
switch (fdwCtrlType)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
sigterm_handler(SIGINT);
return TRUE;
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
sigterm_handler(SIGTERM);
while (!ffmpeg_exited) {
Sleep(0);
}
return TRUE;
default:
av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
return FALSE;
}
}
#endif
void term_init(void)
{
#if HAVE_TERMIOS_H
if (!run_as_daemon && stdin_interaction) {
struct termios tty;
if (tcgetattr (0, &tty) == 0) {
oldtty = tty;
restore_tty = 1;
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
tty.c_cflag &= ~(CSIZE|PARENB);
tty.c_cflag |= CS8;
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tty);
}
signal(SIGQUIT, sigterm_handler);
}
#endif
signal(SIGINT , sigterm_handler);
signal(SIGTERM, sigterm_handler);
#ifdef SIGXCPU
signal(SIGXCPU, sigterm_handler);
#endif
#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
#if HAVE_SETCONSOLECTRLHANDLER
SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
#endif
}
static int read_key(void)
{
unsigned char ch;
#if HAVE_TERMIOS_H
int n = 1;
struct timeval tv;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
n = select(1, &rfds, NULL, NULL, &tv);
if (n > 0) {
n = read(0, &ch, 1);
if (n == 1)
return ch;
return n;
}
#elif HAVE_KBHIT
# if HAVE_PEEKNAMEDPIPE
static int is_pipe;
static HANDLE input_handle;
DWORD dw, nchars;
if(!input_handle){
input_handle = GetStdHandle(STD_INPUT_HANDLE);
is_pipe = !GetConsoleMode(input_handle, &dw);
}
if (is_pipe) {
if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
return -1;
}
if(nchars != 0) {
read(0, &ch, 1);
return ch;
}else{
return -1;
}
}
# endif
if(kbhit())
return(getch());
#endif
return -1;
}
static int decode_interrupt_cb(void *ctx)
{
return received_nb_signals > atomic_load(&transcode_init_done);
}
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
static void ffmpeg_cleanup(int ret)
{
int i, j;
if (do_benchmark) {
int maxrss = getmaxrss() / 1024;
av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
}
for (i = 0; i < nb_filtergraphs; i++) {
FilterGraph *fg = filtergraphs[i];
avfilter_graph_free(&fg->graph);
for (j = 0; j < fg->nb_inputs; j++) {
InputFilter *ifilter = fg->inputs[j];
struct InputStream *ist = ifilter->ist;
while (av_fifo_size(ifilter->frame_queue)) {
AVFrame *frame;
av_fifo_generic_read(ifilter->frame_queue, &frame,
sizeof(frame), NULL);
av_frame_free(&frame);
}
av_fifo_freep(&ifilter->frame_queue);
if (ist->sub2video.sub_queue) {
while (av_fifo_size(ist->sub2video.sub_queue)) {
AVSubtitle sub;
av_fifo_generic_read(ist->sub2video.sub_queue,
&sub, sizeof(sub), NULL);
avsubtitle_free(&sub);
}
av_fifo_freep(&ist->sub2video.sub_queue);
}
av_buffer_unref(&ifilter->hw_frames_ctx);
av_freep(&ifilter->name);
av_freep(&fg->inputs[j]);
}
av_freep(&fg->inputs);
for (j = 0; j < fg->nb_outputs; j++) {
OutputFilter *ofilter = fg->outputs[j];
av_freep(&ofilter->name);
av_freep(&ofilter->formats);
av_freep(&ofilter->channel_layouts);
av_freep(&ofilter->sample_rates);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
av_freep(&fg->graph_desc);
av_freep(&filtergraphs[i]);
}
av_freep(&filtergraphs);
av_freep(&subtitle_out);
for (i = 0; i < nb_output_files; i++) {
OutputFile *of = output_files[i];
AVFormatContext *s;
if (!of)
continue;
s = of->ctx;
if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
avio_closep(&s->pb);
avformat_free_context(s);
av_dict_free(&of->opts);
av_freep(&output_files[i]);
}
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!ost)
continue;
av_bsf_free(&ost->bsf_ctx);
av_frame_free(&ost->filtered_frame);
av_frame_free(&ost->last_frame);
av_dict_free(&ost->encoder_opts);
av_freep(&ost->forced_keyframes);
av_expr_free(ost->forced_keyframes_pexpr);
av_freep(&ost->avfilter);
av_freep(&ost->logfile_prefix);
av_freep(&ost->audio_channels_map);
ost->audio_channels_mapped = 0;
av_dict_free(&ost->sws_dict);
av_dict_free(&ost->swr_opts);
avcodec_free_context(&ost->enc_ctx);
avcodec_parameters_free(&ost->ref_par);
if (ost->muxing_queue) {
while (av_fifo_size(ost->muxing_queue)) {
AVPacket pkt;
av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
av_packet_unref(&pkt);
}
av_fifo_freep(&ost->muxing_queue);
}
av_freep(&output_streams[i]);
}
#if HAVE_THREADS
free_input_threads();
#endif
for (i = 0; i < nb_input_files; i++) {
avformat_close_input(&input_files[i]->ctx);
av_freep(&input_files[i]);
}
for (i = 0; i < nb_input_streams; i++) {
InputStream *ist = input_streams[i];
av_frame_free(&ist->decoded_frame);
av_frame_free(&ist->filter_frame);
av_dict_free(&ist->decoder_opts);
avsubtitle_free(&ist->prev_sub.subtitle);
av_frame_free(&ist->sub2video.frame);
av_freep(&ist->filters);
av_freep(&ist->hwaccel_device);
av_freep(&ist->dts_buffer);
avcodec_free_context(&ist->dec_ctx);
av_freep(&input_streams[i]);
}
if (vstats_file) {
if (fclose(vstats_file))
av_log(NULL, AV_LOG_ERROR,
"Error closing vstats file, loss of information possible: %s\n",
av_err2str(AVERROR(errno)));
}
av_freep(&vstats_filename);
av_freep(&input_streams);
av_freep(&input_files);
av_freep(&output_streams);
av_freep(&output_files);
uninit_opts();
avformat_network_deinit();
if (received_sigterm) {
av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
(int) received_sigterm);
} else if (ret && atomic_load(&transcode_init_done)) {
av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
}
term_exit();
ffmpeg_exited = 1;
}
void remove_avoptions(AVDictionary **a, AVDictionary *b)
{
AVDictionaryEntry *t = NULL;
while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
}
}
void assert_avoptions(AVDictionary *m)
{
AVDictionaryEntry *t;
if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
exit_program(1);
}
}
static void abort_codec_experimental(AVCodec *c, int encoder)
{
exit_program(1);
}
static void update_benchmark(const char *fmt, ...)
{
if (do_benchmark_all) {
BenchmarkTimeStamps t = get_benchmark_time_stamps();
va_list va;
char buf[1024];
if (fmt) {
va_start(va, fmt);
vsnprintf(buf, sizeof(buf), fmt, va);
va_end(va);
av_log(NULL, AV_LOG_INFO,
"bench: %8" PRIu64 " user %8" PRIu64 " sys %8" PRIu64 " real %s \n",
t.user_usec - current_time.user_usec,
t.sys_usec - current_time.sys_usec,
t.real_usec - current_time.real_usec, buf);
}
current_time = t;
}
}
static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
{
int i;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost2 = output_streams[i];
ost2->finished |= ost == ost2 ? this_stream : others;
}
}
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
{
AVFormatContext *s = of->ctx;
AVStream *st = ost->st;
int ret;
if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed) && !unqueue) {
if (ost->frame_number >= ost->max_frames) {
av_packet_unref(pkt);
return;
}
ost->frame_number++;
}
if (!of->header_written) {
AVPacket tmp_pkt = {0};
if (!av_fifo_space(ost->muxing_queue)) {
int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
ost->max_muxing_queue_size);
if (new_size <= av_fifo_size(ost->muxing_queue)) {
av_log(NULL, AV_LOG_ERROR,
"Too many packets buffered for output stream %d:%d.\n",
ost->file_index, ost->st->index);
exit_program(1);
}
ret = av_fifo_realloc2(ost->muxing_queue, new_size);
if (ret < 0)
exit_program(1);
}
ret = av_packet_make_refcounted(pkt);
if (ret < 0)
exit_program(1);
av_packet_move_ref(&tmp_pkt, pkt);
av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
return;
}
if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
(st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
pkt->pts = pkt->dts = AV_NOPTS_VALUE;
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
int i;
uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_STATS,
NULL);
ost->quality = sd ? AV_RL32(sd) : -1;
ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
if (sd && i < sd[5])
ost->error[i] = AV_RL64(sd + 8 + 8*i);
else
ost->error[i] = -1;
}
if (ost->frame_rate.num && ost->is_cfr) {
if (pkt->duration > 0)
av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
ost->mux_timebase);
}
}
av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
if (pkt->dts != AV_NOPTS_VALUE &&
pkt->pts != AV_NOPTS_VALUE &&
pkt->dts > pkt->pts) {
av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
pkt->dts, pkt->pts,
ost->file_index, ost->st->index);
pkt->pts =
pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
- FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
- FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
}
if ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO || st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) &&
pkt->dts != AV_NOPTS_VALUE &&
!(st->codecpar->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
ost->last_mux_dts != AV_NOPTS_VALUE) {
int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
if (pkt->dts < max) {
int loglevel = max - pkt->dts > 2 || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
if (exit_on_error)
loglevel = AV_LOG_ERROR;
av_log(s, loglevel, "Non-monotonous DTS in output stream "
"%d:%d; previous: %"PRId64", current: %"PRId64"; ",
ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
if (exit_on_error) {
av_log(NULL, AV_LOG_FATAL, "aborting.\n");
exit_program(1);
}
av_log(s, loglevel, "changing to %"PRId64". This may result "
"in incorrect timestamps in the output file.\n",
max);
if (pkt->pts >= pkt->dts)
pkt->pts = FFMAX(pkt->pts, max);
pkt->dts = max;
}
}
}
ost->last_mux_dts = pkt->dts;
ost->data_size += pkt->size;
ost->packets_written++;
pkt->stream_index = ost->index;
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
av_get_media_type_string(ost->enc_ctx->codec_type),
av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
pkt->size
);
}
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
print_error("av_interleaved_write_frame()", ret);
main_return_code = 1;
close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
}
av_packet_unref(pkt);
}
static void close_output_stream(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
ost->finished |= ENCODER_FINISHED;
if (of->shortest) {
int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
of->recording_time = FFMIN(of->recording_time, end);
}
}
static void output_packet(OutputFile *of, AVPacket *pkt,
OutputStream *ost, int eof)
{
int ret = 0;
if (ost->bsf_ctx) {
ret = av_bsf_send_packet(ost->bsf_ctx, eof ? NULL : pkt);
if (ret < 0)
goto finish;
while ((ret = av_bsf_receive_packet(ost->bsf_ctx, pkt)) >= 0)
write_packet(of, pkt, ost, 0);
if (ret == AVERROR(EAGAIN))
ret = 0;
} else if (!eof)
write_packet(of, pkt, ost, 0);
finish:
if (ret < 0 && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_ERROR, "Error applying bitstream filters to an output "
"packet for stream #%d:%d.\n", ost->file_index, ost->index);
if(exit_on_error)
exit_program(1);
}
}
static int check_recording_time(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
if (of->recording_time != INT64_MAX &&
av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
AV_TIME_BASE_Q) >= 0) {
close_output_stream(ost);
return 0;
}
return 1;
}
static void do_audio_out(OutputFile *of, OutputStream *ost,
AVFrame *frame)
{
AVCodecContext *enc = ost->enc_ctx;
AVPacket pkt;
int ret;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
if (!check_recording_time(ost))
return;
if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
frame->pts = ost->sync_opts;
ost->sync_opts = frame->pts + frame->nb_samples;
ost->samples_encoded += frame->nb_samples;
ost->frames_encoded++;
av_assert0(pkt.size || !pkt.data);
update_benchmark(NULL);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
"frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
enc->time_base.num, enc->time_base.den);
}
ret = avcodec_send_frame(enc, frame);
if (ret < 0)
goto error;
while (1) {
ret = avcodec_receive_packet(enc, &pkt);
if (ret == AVERROR(EAGAIN))
break;
if (ret < 0)
goto error;
update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
}
output_packet(of, &pkt, ost, 0);
}
return;
error:
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
exit_program(1);
}
static void do_subtitle_out(OutputFile *of,
OutputStream *ost,
AVSubtitle *sub)
{
int subtitle_out_max_size = 1024 * 1024;
int subtitle_out_size, nb, i;
AVCodecContext *enc;
AVPacket pkt;
int64_t pts;
if (sub->pts == AV_NOPTS_VALUE) {
av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
if (exit_on_error)
exit_program(1);
return;
}
enc = ost->enc_ctx;
if (!subtitle_out) {
subtitle_out = av_malloc(subtitle_out_max_size);
if (!subtitle_out) {
av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
exit_program(1);
}
}
if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
nb = 2;
else
nb = 1;
pts = sub->pts;
if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
pts -= output_files[ost->file_index]->start_time;
for (i = 0; i < nb; i++) {
unsigned save_num_rects = sub->num_rects;
ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
if (!check_recording_time(ost))
return;
sub->pts = pts;
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
sub->end_display_time -= sub->start_display_time;
sub->start_display_time = 0;
if (i == 1)
sub->num_rects = 0;
ost->frames_encoded++;
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
subtitle_out_max_size, sub);
if (i == 1)
sub->num_rects = save_num_rects;
if (subtitle_out_size < 0) {
av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
exit_program(1);
}
av_init_packet(&pkt);
pkt.data = subtitle_out;
pkt.size = subtitle_out_size;
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
if (i == 0)
pkt.pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
else
pkt.pts += av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
}
pkt.dts = pkt.pts;
output_packet(of, &pkt, ost, 0);
}
}
static void do_video_out(OutputFile *of,
OutputStream *ost,
AVFrame *next_picture,
double sync_ipts)
{
int ret, format_video_sync;
AVPacket pkt;
AVCodecContext *enc = ost->enc_ctx;
AVCodecParameters *mux_par = ost->st->codecpar;
AVRational frame_rate;
int nb_frames, nb0_frames, i;
double delta, delta0;
double duration = 0;
int frame_size = 0;
InputStream *ist = NULL;
AVFilterContext *filter = ost->filter->filter;
if (ost->source_index >= 0)
ist = input_streams[ost->source_index];
frame_rate = av_buffersink_get_frame_rate(filter);
if (frame_rate.num > 0 && frame_rate.den > 0)
duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base));
if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
if (!ost->filters_script &&
!ost->filters &&
(nb_filtergraphs == 0 || !filtergraphs[0]->graph_desc) &&
next_picture &&
ist &&
lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
duration = lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
}
if (!next_picture) {
nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
ost->last_nb0_frames[1],
ost->last_nb0_frames[2]);
} else {
delta0 = sync_ipts - ost->sync_opts;
delta = delta0 + duration;
nb0_frames = 0;
nb_frames = 1;
format_video_sync = video_sync_method;
if (format_video_sync == VSYNC_AUTO) {
if(!strcmp(of->ctx->oformat->name, "avi")) {
format_video_sync = VSYNC_VFR;
} else
format_video_sync = (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? ((of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
if ( ist
&& format_video_sync == VSYNC_CFR
&& input_files[ist->file_index]->ctx->nb_streams == 1
&& input_files[ist->file_index]->input_ts_offset == 0) {
format_video_sync = VSYNC_VSCFR;
}
if (format_video_sync == VSYNC_CFR && copy_ts) {
format_video_sync = VSYNC_VSCFR;
}
}
ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
if (delta0 < 0 &&
delta > 0 &&
format_video_sync != VSYNC_PASSTHROUGH &&
format_video_sync != VSYNC_DROP) {
if (delta0 < -0.6) {
av_log(NULL, AV_LOG_VERBOSE, "Past duration %f too large\n", -delta0);
} else
av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
sync_ipts = ost->sync_opts;
duration += delta0;
delta0 = 0;
}
switch (format_video_sync) {
case VSYNC_VSCFR:
if (ost->frame_number == 0 && delta0 >= 0.5) {
av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
delta = duration;
delta0 = 0;
ost->sync_opts = llrint(sync_ipts);
}
case VSYNC_CFR:
if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
nb_frames = 0;
} else if (delta < -1.1)
nb_frames = 0;
else if (delta > 1.1) {
nb_frames = lrintf(delta);
if (delta0 > 1.1)
nb0_frames = llrintf(delta0 - 0.6);
}
break;
case VSYNC_VFR:
if (delta <= -0.6)
nb_frames = 0;
else if (delta > 0.6)
ost->sync_opts = llrint(sync_ipts);
break;
case VSYNC_DROP:
case VSYNC_PASSTHROUGH:
ost->sync_opts = llrint(sync_ipts);
break;
default:
av_assert0(0);
}
}
nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
nb0_frames = FFMIN(nb0_frames, nb_frames);
memmove(ost->last_nb0_frames + 1,
ost->last_nb0_frames,
sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
ost->last_nb0_frames[0] = nb0_frames;
if (nb0_frames == 0 && ost->last_dropped) {
nb_frames_drop++;
av_log(NULL, AV_LOG_VERBOSE,
"*** dropping frame %d from stream %d at ts %"PRId64"\n",
ost->frame_number, ost->st->index, ost->last_frame->pts);
}
if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
if (nb_frames > dts_error_threshold * 30) {
av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
nb_frames_drop++;
return;
}
nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
if (nb_frames_dup > dup_warning) {
av_log(NULL, AV_LOG_WARNING, "More than %d frames duplicated\n", dup_warning);
dup_warning *= 10;
}
}
ost->last_dropped = nb_frames == nb0_frames && next_picture;
for (i = 0; i < nb_frames; i++) {
AVFrame *in_picture;
int forced_keyframe = 0;
double pts_time;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
if (i < nb0_frames && ost->last_frame) {
in_picture = ost->last_frame;
} else
in_picture = next_picture;
if (!in_picture)
return;
in_picture->pts = ost->sync_opts;
if (!check_recording_time(ost))
return;
if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
ost->top_field_first >= 0)
in_picture->top_field_first = !!ost->top_field_first;
if (in_picture->interlaced_frame) {
if (enc->codec->id == AV_CODEC_ID_MJPEG)
mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
else
mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
} else
mux_par->field_order = AV_FIELD_PROGRESSIVE;
in_picture->quality = enc->global_quality;
in_picture->pict_type = 0;
if (ost->forced_kf_ref_pts == AV_NOPTS_VALUE &&
in_picture->pts != AV_NOPTS_VALUE)
ost->forced_kf_ref_pts = in_picture->pts;
pts_time = in_picture->pts != AV_NOPTS_VALUE ?
(in_picture->pts - ost->forced_kf_ref_pts) * av_q2d(enc->time_base) : NAN;
if (ost->forced_kf_index < ost->forced_kf_count &&
in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
ost->forced_kf_index++;
forced_keyframe = 1;
} else if (ost->forced_keyframes_pexpr) {
double res;
ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
res = av_expr_eval(ost->forced_keyframes_pexpr,
ost->forced_keyframes_expr_const_values, NULL);
ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
ost->forced_keyframes_expr_const_values[FKF_N],
ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
ost->forced_keyframes_expr_const_values[FKF_T],
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
res);
if (res) {
forced_keyframe = 1;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
ost->forced_keyframes_expr_const_values[FKF_N];
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
ost->forced_keyframes_expr_const_values[FKF_T];
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
}
ost->forced_keyframes_expr_const_values[FKF_N] += 1;
} else if ( ost->forced_keyframes
&& !strncmp(ost->forced_keyframes, "source", 6)
&& in_picture->key_frame==1
&& !i) {
forced_keyframe = 1;
}
if (forced_keyframe) {
in_picture->pict_type = AV_PICTURE_TYPE_I;
av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
}
update_benchmark(NULL);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
"frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
enc->time_base.num, enc->time_base.den);
}
ost->frames_encoded++;
ret = avcodec_send_frame(enc, in_picture);
if (ret < 0)
goto error;
av_frame_remove_side_data(in_picture, AV_FRAME_DATA_A53_CC);
while (1) {
ret = avcodec_receive_packet(enc, &pkt);
update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
if (ret == AVERROR(EAGAIN))
break;
if (ret < 0)
goto error;
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
}
if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
pkt.pts = ost->sync_opts;
av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->mux_timebase),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->mux_timebase));
}
frame_size = pkt.size;
output_packet(of, &pkt, ost, 0);
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
}
ost->sync_opts++;
ost->frame_number++;
if (vstats_filename && frame_size)
do_video_stats(ost, frame_size);
}
if (!ost->last_frame)
ost->last_frame = av_frame_alloc();
av_frame_unref(ost->last_frame);
if (next_picture && ost->last_frame)
av_frame_ref(ost->last_frame, next_picture);
else
av_frame_free(&ost->last_frame);
return;
error:
av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
exit_program(1);
}
static double psnr(double d)
{
return -10.0 * log10(d);
}
static void do_video_stats(OutputStream *ost, int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
exit_program(1);
}
}
enc = ost->enc_ctx;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->st->nb_frames;
if (vstats_version <= 1) {
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
ost->quality / (float)FF_QP2LAMBDA);
} else {
fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
ost->quality / (float)FF_QP2LAMBDA);
}
if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
}
}
static int init_output_stream(OutputStream *ost, char *error, int error_len);
static void finish_output_stream(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
int i;
ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
if (of->shortest) {
for (i = 0; i < of->ctx->nb_streams; i++)
output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
}
}
static int reap_filters(int flush)
{
AVFrame *filtered_frame = NULL;
int i;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
AVFilterContext *filter;
AVCodecContext *enc = ost->enc_ctx;
int ret = 0;
if (!ost->filter || !ost->filter->graph->graph)
continue;
filter = ost->filter->filter;
if (!ost->initialized) {
char error[1024] = "";
ret = init_output_stream(ost, error, sizeof(error));
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
ost->file_index, ost->index, error);
exit_program(1);
}
}
if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
return AVERROR(ENOMEM);
}
filtered_frame = ost->filtered_frame;
while (1) {
double float_pts = AV_NOPTS_VALUE;
ret = av_buffersink_get_frame_flags(filter, filtered_frame,
AV_BUFFERSINK_FLAG_NO_REQUEST);
if (ret < 0) {
if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_WARNING,
"Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
} else if (flush && ret == AVERROR_EOF) {
if (av_buffersink_get_type(filter) == AVMEDIA_TYPE_VIDEO)
do_video_out(of, ost, NULL, AV_NOPTS_VALUE);
}
break;
}
if (ost->finished) {
av_frame_unref(filtered_frame);
continue;
}
if (filtered_frame->pts != AV_NOPTS_VALUE) {
int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
AVRational filter_tb = av_buffersink_get_time_base(filter);
AVRational tb = enc->time_base;
int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
tb.den <<= extra_bits;
float_pts =
av_rescale_q(filtered_frame->pts, filter_tb, tb) -
av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
float_pts /= 1 << extra_bits;
float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
filtered_frame->pts =
av_rescale_q(filtered_frame->pts, filter_tb, enc->time_base) -
av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
}
switch (av_buffersink_get_type(filter)) {
case AVMEDIA_TYPE_VIDEO:
if (!ost->frame_aspect_ratio.num)
enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
float_pts,
enc->time_base.num, enc->time_base.den);
}
do_video_out(of, ost, filtered_frame, float_pts);
break;
case AVMEDIA_TYPE_AUDIO:
if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
enc->channels != filtered_frame->channels) {
av_log(NULL, AV_LOG_ERROR,
"Audio filter graph output is not normalized and encoder does not support parameter changes\n");
break;
}
do_audio_out(of, ost, filtered_frame);
break;
default:
av_assert0(0);
}
av_frame_unref(filtered_frame);
}
}
return 0;
}
static void print_final_stats(int64_t total_size)
{
uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
uint64_t subtitle_size = 0;
uint64_t data_size = 0;
float percent = -1.0;
int i, j;
int pass1_used = 1;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
switch (ost->enc_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
default: other_size += ost->data_size; break;
}
extra_size += ost->enc_ctx->extradata_size;
data_size += ost->data_size;
if ( (ost->enc_ctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2))
!= AV_CODEC_FLAG_PASS1)
pass1_used = 0;
}
if (data_size && total_size>0 && total_size >= data_size)
percent = 100.0 * (total_size - data_size) / data_size;
av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
video_size / 1024.0,
audio_size / 1024.0,
subtitle_size / 1024.0,
other_size / 1024.0,
extra_size / 1024.0);
if (percent >= 0.0)
av_log(NULL, AV_LOG_INFO, "%f%%", percent);
else
av_log(NULL, AV_LOG_INFO, "unknown");
av_log(NULL, AV_LOG_INFO, "\n");
for (i = 0; i < nb_input_files; i++) {
InputFile *f = input_files[i];
uint64_t total_packets = 0, total_size = 0;
av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
i, f->ctx->url);
for (j = 0; j < f->nb_streams; j++) {
InputStream *ist = input_streams[f->ist_index + j];
enum AVMediaType type = ist->dec_ctx->codec_type;
total_size += ist->data_size;
total_packets += ist->nb_packets;
av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
i, j, media_type_string(type));
av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
ist->nb_packets, ist->data_size);
if (ist->decoding_needed) {
av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
ist->frames_decoded);
if (type == AVMEDIA_TYPE_AUDIO)
av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
av_log(NULL, AV_LOG_VERBOSE, "; ");
}
av_log(NULL, AV_LOG_VERBOSE, "\n");
}
av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
total_packets, total_size);
}
for (i = 0; i < nb_output_files; i++) {
OutputFile *of = output_files[i];
uint64_t total_packets = 0, total_size = 0;
av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
i, of->ctx->url);
for (j = 0; j < of->ctx->nb_streams; j++) {
OutputStream *ost = output_streams[of->ost_index + j];
enum AVMediaType type = ost->enc_ctx->codec_type;
total_size += ost->data_size;
total_packets += ost->packets_written;
av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
i, j, media_type_string(type));
if (ost->encoding_needed) {
av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
ost->frames_encoded);
if (type == AVMEDIA_TYPE_AUDIO)
av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
av_log(NULL, AV_LOG_VERBOSE, "; ");
}
av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
ost->packets_written, ost->data_size);
av_log(NULL, AV_LOG_VERBOSE, "\n");
}
av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
total_packets, total_size);
}
if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
if (pass1_used) {
av_log(NULL, AV_LOG_WARNING, "\n");
} else {
av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
}
}
}
static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
{
AVBPrint buf, buf_script;
OutputStream *ost;
AVFormatContext *oc;
int64_t total_size;
AVCodecContext *enc;
int frame_number, vid, i;
double bitrate;
double speed;
int64_t pts = INT64_MIN + 1;
static int64_t last_time = -1;
static int qp_histogram[52];
int hours, mins, secs, us;
const char *hours_sign;
int ret;
float t;
if (!print_stats && !is_last_report && !progress_avio)
return;
if (!is_last_report) {
if (last_time == -1) {
last_time = cur_time;
return;
}
if ((cur_time - last_time) < 500000)
return;
last_time = cur_time;
}
t = (cur_time-timer_start) / 1000000.0;
oc = output_files[0]->ctx;
total_size = avio_size(oc->pb);
if (total_size <= 0)
total_size = avio_tell(oc->pb);
vid = 0;
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
av_bprint_init(&buf_script, 0, AV_BPRINT_SIZE_AUTOMATIC);
for (i = 0; i < nb_output_streams; i++) {
float q = -1;
ost = output_streams[i];
enc = ost->enc_ctx;
if (!ost->stream_copy)
q = ost->quality / (float) FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
av_bprintf(&buf, "q=%2.1f ", q);
av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
ost->file_index, ost->index, q);
}
if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
float fps;
frame_number = ost->frame_number;
fps = t > 1 ? frame_number / t : 0;
av_bprintf(&buf, "frame=%5d fps=%3.*f q=%3.1f ",
frame_number, fps < 9.95, fps, q);
av_bprintf(&buf_script, "frame=%d\n", frame_number);
av_bprintf(&buf_script, "fps=%.2f\n", fps);
av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
ost->file_index, ost->index, q);
if (is_last_report)
av_bprintf(&buf, "L");
if (qp_hist) {
int j;
int qp = lrintf(q);
if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
qp_histogram[qp]++;
for (j = 0; j < 32; j++)
av_bprintf(&buf, "%X", av_log2(qp_histogram[j] + 1));
}
if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
int j;
double error, error_sum = 0;
double scale, scale_sum = 0;
double p;
char type[3] = { 'Y','U','V' };
av_bprintf(&buf, "PSNR=");
for (j = 0; j < 3; j++) {
if (is_last_report) {
error = enc->error[j];
scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
} else {
error = ost->error[j];
scale = enc->width * enc->height * 255.0 * 255.0;
}
if (j)
scale /= 4;
error_sum += error;
scale_sum += scale;
p = psnr(error / scale);
av_bprintf(&buf, "%c:%2.2f ", type[j], p);
av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
ost->file_index, ost->index, type[j] | 32, p);
}
p = psnr(error_sum / scale_sum);
av_bprintf(&buf, "*:%2.2f ", psnr(error_sum / scale_sum));
av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
ost->file_index, ost->index, p);
}
vid = 1;
}
if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
ost->st->time_base, AV_TIME_BASE_Q));
if (is_last_report)
nb_frames_drop += ost->last_dropped;
}
secs = FFABS(pts) / AV_TIME_BASE;
us = FFABS(pts) % AV_TIME_BASE;
mins = secs / 60;
secs %= 60;
hours = mins / 60;
mins %= 60;
hours_sign = (pts < 0) ? "-" : "";
bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
if (total_size < 0) av_bprintf(&buf, "size=N/A time=");
else av_bprintf(&buf, "size=%8.0fkB time=", total_size / 1024.0);
if (pts == AV_NOPTS_VALUE) {
av_bprintf(&buf, "N/A ");
} else {
av_bprintf(&buf, "%s%02d:%02d:%02d.%02d ",
hours_sign, hours, mins, secs, (100 * us) / AV_TIME_BASE);
}
if (bitrate < 0) {
av_bprintf(&buf, "bitrate=N/A");
av_bprintf(&buf_script, "bitrate=N/A\n");
}else{
av_bprintf(&buf, "bitrate=%6.1fkbits/s", bitrate);
av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
}
if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
if (pts == AV_NOPTS_VALUE) {
av_bprintf(&buf_script, "out_time_us=N/A\n");
av_bprintf(&buf_script, "out_time_ms=N/A\n");
av_bprintf(&buf_script, "out_time=N/A\n");
} else {
av_bprintf(&buf_script, "out_time_us=%"PRId64"\n", pts);
av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
av_bprintf(&buf_script, "out_time=%s%02d:%02d:%02d.%06d\n",
hours_sign, hours, mins, secs, us);
}
if (nb_frames_dup || nb_frames_drop)
av_bprintf(&buf, " dup=%d drop=%d", nb_frames_dup, nb_frames_drop);
av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
if (speed < 0) {
av_bprintf(&buf, " speed=N/A");
av_bprintf(&buf_script, "speed=N/A\n");
} else {
av_bprintf(&buf, " speed=%4.3gx", speed);
av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
}
if (print_stats || is_last_report) {
const char end = is_last_report ? '\n' : '\r';
if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
fprintf(stderr, "%s %c", buf.str, end);
} else
av_log(NULL, AV_LOG_INFO, "%s %c", buf.str, end);
fflush(stderr);
}
av_bprint_finalize(&buf, NULL);
if (progress_avio) {
av_bprintf(&buf_script, "progress=%s\n",
is_last_report ? "end" : "continue");
avio_write(progress_avio, buf_script.str,
FFMIN(buf_script.len, buf_script.size - 1));
avio_flush(progress_avio);
av_bprint_finalize(&buf_script, NULL);
if (is_last_report) {
if ((ret = avio_closep(&progress_avio)) < 0)
av_log(NULL, AV_LOG_ERROR,
"Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
}
}
if (is_last_report)
print_final_stats(total_size);
}
static void ifilter_parameters_from_codecpar(InputFilter *ifilter, AVCodecParameters *par)
{
ifilter->format = par->format;
ifilter->sample_rate = par->sample_rate;
ifilter->channels = par->channels;
ifilter->channel_layout = par->channel_layout;
ifilter->width = par->width;
ifilter->height = par->height;
ifilter->sample_aspect_ratio = par->sample_aspect_ratio;
}
static void flush_encoders(void)
{
int i, ret;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
AVCodecContext *enc = ost->enc_ctx;
OutputFile *of = output_files[ost->file_index];
if (!ost->encoding_needed)
continue;
if (!ost->initialized) {
FilterGraph *fg = ost->filter->graph;
char error[1024] = "";
av_log(NULL, AV_LOG_WARNING,
"Finishing stream %d:%d without any data written to it.\n",
ost->file_index, ost->st->index);
if (ost->filter && !fg->graph) {
int x;
for (x = 0; x < fg->nb_inputs; x++) {
InputFilter *ifilter = fg->inputs[x];
if (ifilter->format < 0)
ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
}
if (!ifilter_has_all_input_formats(fg))
continue;
ret = configure_filtergraph(fg);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error configuring filter graph\n");
exit_program(1);
}
finish_output_stream(ost);
}
ret = init_output_stream(ost, error, sizeof(error));
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
ost->file_index, ost->index, error);
exit_program(1);
}
}
if (enc->codec_type != AVMEDIA_TYPE_VIDEO && enc->codec_type != AVMEDIA_TYPE_AUDIO)
continue;
for (;;) {
const char *desc = NULL;
AVPacket pkt;
int pkt_size;
switch (enc->codec_type) {
case AVMEDIA_TYPE_AUDIO:
desc = "audio";
break;
case AVMEDIA_TYPE_VIDEO:
desc = "video";
break;
default:
av_assert0(0);
}
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
update_benchmark(NULL);
while ((ret = avcodec_receive_packet(enc, &pkt)) == AVERROR(EAGAIN)) {
ret = avcodec_send_frame(enc, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
desc,
av_err2str(ret));
exit_program(1);
}
}
update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
if (ret < 0 && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
desc,
av_err2str(ret));
exit_program(1);
}
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
if (ret == AVERROR_EOF) {
output_packet(of, &pkt, ost, 1);
break;
}
if (ost->finished & MUXER_FINISHED) {
av_packet_unref(&pkt);
continue;
}
av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
pkt_size = pkt.size;
output_packet(of, &pkt, ost, 0);
if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
do_video_stats(ost, pkt_size);
}
}
}
}
static int check_output_constraints(InputStream *ist, OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
if (ost->source_index != ist_index)
return 0;
if (ost->finished)
return 0;
if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
return 0;
return 1;
}
static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
{
OutputFile *of = output_files[ost->file_index];
InputFile *f = input_files [ist->file_index];
int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
AVPacket opkt;
if (!pkt) {
av_init_packet(&opkt);
opkt.data = NULL;
opkt.size = 0;
output_packet(of, &opkt, ost, 1);
return;
}
if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
!ost->copy_initial_nonkeyframes)
return;
if (!ost->frame_number && !ost->copy_prior_start) {
int64_t comp_start = start_time;
if (copy_ts && f->start_time != AV_NOPTS_VALUE)
comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
if (pkt->pts == AV_NOPTS_VALUE ?
ist->pts < comp_start :
pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
return;
}
if (of->recording_time != INT64_MAX &&
ist->pts >= of->recording_time + start_time) {
close_output_stream(ost);
return;
}
if (f->recording_time != INT64_MAX) {
start_time = f->ctx->start_time;
if (f->start_time != AV_NOPTS_VALUE && copy_ts)
start_time += f->start_time;
if (ist->pts >= f->recording_time + start_time) {
close_output_stream(ost);
return;
}
}
if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
ost->sync_opts++;
if (av_packet_ref(&opkt, pkt) < 0)
exit_program(1);
if (pkt->pts != AV_NOPTS_VALUE)
opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
if (pkt->dts == AV_NOPTS_VALUE) {
opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->mux_timebase);
} else if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
if(!duration)
duration = ist->dec_ctx->frame_size;
opkt.dts = av_rescale_delta(ist->st->time_base, pkt->dts,
(AVRational){1, ist->dec_ctx->sample_rate}, duration,
&ist->filter_in_rescale_delta_last, ost->mux_timebase);
opkt.pts = opkt.dts - ost_tb_start_time;
} else
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
opkt.dts -= ost_tb_start_time;
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
output_packet(of, &opkt, ost, 0);
}
int guess_input_channel_layout(InputStream *ist)
{
AVCodecContext *dec = ist->dec_ctx;
if (!dec->channel_layout) {
char layout_name[256];
if (dec->channels > ist->guess_layout_max)
return 0;
dec->channel_layout = av_get_default_channel_layout(dec->channels);
if (!dec->channel_layout)
return 0;
av_get_channel_layout_string(layout_name, sizeof(layout_name),
dec->channels, dec->channel_layout);
av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
"#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
}
return 1;
}
static void check_decode_result(InputStream *ist, int *got_output, int ret)
{
if (*got_output || ret<0)
decode_error_stat[ret<0] ++;
if (ret < 0 && exit_on_error)
exit_program(1);
if (*got_output && ist) {
if (ist->decoded_frame->decode_error_flags || (ist->decoded_frame->flags & AV_FRAME_FLAG_CORRUPT)) {
av_log(NULL, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
"%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->url, ist->st->index);
if (exit_on_error)
exit_program(1);
}
}
}
static int ifilter_has_all_input_formats(FilterGraph *fg)
{
int i;
for (i = 0; i < fg->nb_inputs; i++) {
if (fg->inputs[i]->format < 0 && (fg->inputs[i]->type == AVMEDIA_TYPE_AUDIO ||
fg->inputs[i]->type == AVMEDIA_TYPE_VIDEO))
return 0;
}
return 1;
}
static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
{
FilterGraph *fg = ifilter->graph;
int need_reinit, ret, i;
need_reinit = ifilter->format != frame->format;
switch (ifilter->ist->st->codecpar->codec_type) {
case AVMEDIA_TYPE_AUDIO:
need_reinit |= ifilter->sample_rate != frame->sample_rate ||
ifilter->channels != frame->channels ||
ifilter->channel_layout != frame->channel_layout;
break;
case AVMEDIA_TYPE_VIDEO:
need_reinit |= ifilter->width != frame->width ||
ifilter->height != frame->height;
break;
}
if (!ifilter->ist->reinit_filters && fg->graph)
need_reinit = 0;
if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
(ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
need_reinit = 1;
if (need_reinit) {
ret = ifilter_parameters_from_frame(ifilter, frame);
if (ret < 0)
return ret;
}
if (need_reinit || !fg->graph) {
for (i = 0; i < fg->nb_inputs; i++) {
if (!ifilter_has_all_input_formats(fg)) {
AVFrame *tmp = av_frame_clone(frame);
if (!tmp)
return AVERROR(ENOMEM);
av_frame_unref(frame);
if (!av_fifo_space(ifilter->frame_queue)) {
ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
if (ret < 0) {
av_frame_free(&tmp);
return ret;
}
}
av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
return 0;
}
}
ret = reap_filters(1);
if (ret < 0 && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
return ret;
}
ret = configure_filtergraph(fg);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
return ret;
}
}
ret = av_buffersrc_add_frame_flags(ifilter->filter, frame, AV_BUFFERSRC_FLAG_PUSH);
if (ret < 0) {
if (ret != AVERROR_EOF)
av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
return ret;
}
return 0;
}
static int ifilter_send_eof(InputFilter *ifilter, int64_t pts)
{
int ret;
ifilter->eof = 1;
if (ifilter->filter) {
ret = av_buffersrc_close(ifilter->filter, pts, AV_BUFFERSRC_FLAG_PUSH);
if (ret < 0)
return ret;
} else {
if (ifilter->format < 0)
ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
if (ifilter->format < 0 && (ifilter->type == AVMEDIA_TYPE_AUDIO || ifilter->type == AVMEDIA_TYPE_VIDEO)) {
av_log(NULL, AV_LOG_ERROR, "Cannot determine format of input stream %d:%d after EOF\n", ifilter->ist->file_index, ifilter->ist->st->index);
return AVERROR_INVALIDDATA;
}
}
return 0;
}
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
{
int ret;
*got_frame = 0;
if (pkt) {
ret = avcodec_send_packet(avctx, pkt);
if (ret < 0 && ret != AVERROR_EOF)
return ret;
}
ret = avcodec_receive_frame(avctx, frame);
if (ret < 0 && ret != AVERROR(EAGAIN))
return ret;
if (ret >= 0)
*got_frame = 1;
return 0;
}
static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
{
int i, ret;
AVFrame *f;
av_assert1(ist->nb_filters > 0);
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
ret = av_frame_ref(f, decoded_frame);
if (ret < 0)
break;
} else
f = decoded_frame;
ret = ifilter_send_frame(ist->filters[i], f);
if (ret == AVERROR_EOF)
ret = 0;
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
"Failed to inject frame into filter network: %s\n", av_err2str(ret));
break;
}
}
return ret;
}
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
int *decode_failed)
{
AVFrame *decoded_frame;
AVCodecContext *avctx = ist->dec_ctx;
int ret, err = 0;
AVRational decoded_frame_tb;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
decoded_frame = ist->decoded_frame;
update_benchmark(NULL);
ret = decode(avctx, decoded_frame, got_output, pkt);
update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
if (ret < 0)
*decode_failed = 1;
if (ret >= 0 && avctx->sample_rate <= 0) {
av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
ret = AVERROR_INVALIDDATA;
}
if (ret != AVERROR_EOF)
check_decode_result(ist, got_output, ret);
if (!*got_output || ret < 0)
return ret;
ist->samples_decoded += decoded_frame->nb_samples;
ist->frames_decoded++;
ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
if (decoded_frame->pts != AV_NOPTS_VALUE) {
decoded_frame_tb = ist->st->time_base;
} else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
decoded_frame->pts = pkt->pts;
decoded_frame_tb = ist->st->time_base;
}else {
decoded_frame->pts = ist->dts;
decoded_frame_tb = AV_TIME_BASE_Q;
}
if (decoded_frame->pts != AV_NOPTS_VALUE)
decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
(AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
(AVRational){1, avctx->sample_rate});
ist->nb_samples = decoded_frame->nb_samples;
err = send_frame_to_filters(ist, decoded_frame);
av_frame_unref(ist->filter_frame);
av_frame_unref(decoded_frame);
return err < 0 ? err : ret;
}
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof,
int *decode_failed)
{
AVFrame *decoded_frame;
int i, ret = 0, err = 0;
int64_t best_effort_timestamp;
int64_t dts = AV_NOPTS_VALUE;
AVPacket avpkt;
if (!eof && pkt && pkt->size == 0)
return 0;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
decoded_frame = ist->decoded_frame;
if (ist->dts != AV_NOPTS_VALUE)
dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
if (pkt) {
avpkt = *pkt;
avpkt.dts = dts;
}
if (eof) {
void *new = av_realloc_array(ist->dts_buffer, ist->nb_dts_buffer + 1, sizeof(ist->dts_buffer[0]));
if (!new)
return AVERROR(ENOMEM);
ist->dts_buffer = new;
ist->dts_buffer[ist->nb_dts_buffer++] = dts;
}
update_benchmark(NULL);
ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt ? &avpkt : NULL);
update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
if (ret < 0)
*decode_failed = 1;
if (ist->st->codecpar->video_delay < ist->dec_ctx->has_b_frames) {
if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
ist->st->codecpar->video_delay = ist->dec_ctx->has_b_frames;
} else
av_log(ist->dec_ctx, AV_LOG_WARNING,
"video_delay is larger in decoder than demuxer %d > %d.\n"
"If you want to help, upload a sample "
"of this file to https://streams.videolan.org/upload/ "
"and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n",
ist->dec_ctx->has_b_frames,
ist->st->codecpar->video_delay);
}
if (ret != AVERROR_EOF)
check_decode_result(ist, got_output, ret);
if (*got_output && ret >= 0) {
if (ist->dec_ctx->width != decoded_frame->width ||
ist->dec_ctx->height != decoded_frame->height ||
ist->dec_ctx->pix_fmt != decoded_frame->format) {
av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
decoded_frame->width,
decoded_frame->height,
decoded_frame->format,
ist->dec_ctx->width,
ist->dec_ctx->height,
ist->dec_ctx->pix_fmt);
}
}
if (!*got_output || ret < 0)
return ret;
if(ist->top_field_first>=0)
decoded_frame->top_field_first = ist->top_field_first;
ist->frames_decoded++;
if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
if (err < 0)
goto fail;
}
ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
best_effort_timestamp= decoded_frame->best_effort_timestamp;
*duration_pts = decoded_frame->pkt_duration;
if (ist->framerate.num)
best_effort_timestamp = ist->cfr_next_pts++;
if (eof && best_effort_timestamp == AV_NOPTS_VALUE && ist->nb_dts_buffer > 0) {
best_effort_timestamp = ist->dts_buffer[0];
for (i = 0; i < ist->nb_dts_buffer - 1; i++)
ist->dts_buffer[i] = ist->dts_buffer[i + 1];
ist->nb_dts_buffer--;
}
if(best_effort_timestamp != AV_NOPTS_VALUE) {
int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
if (ts != AV_NOPTS_VALUE)
ist->next_pts = ist->pts = ts;
}
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
"frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
ist->st->index, av_ts2str(decoded_frame->pts),
av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
best_effort_timestamp,
av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
decoded_frame->key_frame, decoded_frame->pict_type,
ist->st->time_base.num, ist->st->time_base.den);
}
if (ist->st->sample_aspect_ratio.num)
decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
err = send_frame_to_filters(ist, decoded_frame);
fail:
av_frame_unref(ist->filter_frame);
av_frame_unref(decoded_frame);
return err < 0 ? err : ret;
}
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,
int *decode_failed)
{
AVSubtitle subtitle;
int free_sub = 1;
int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
&subtitle, got_output, pkt);
check_decode_result(NULL, got_output, ret);
if (ret < 0 || !*got_output) {
*decode_failed = 1;
if (!pkt->size)
sub2video_flush(ist);
return ret;
}
if (ist->fix_sub_duration) {
int end = 1;
if (ist->prev_sub.got_output) {
end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1000, AV_TIME_BASE);
if (end < ist->prev_sub.subtitle.end_display_time) {
av_log(ist->dec_ctx, AV_LOG_DEBUG,
"Subtitle duration reduced from %"PRId32" to %d%s\n",
ist->prev_sub.subtitle.end_display_time, end,
end <= 0 ? ", dropping it" : "");
ist->prev_sub.subtitle.end_display_time = end;
}
}
FFSWAP(int, *got_output, ist->prev_sub.got_output);
FFSWAP(int, ret, ist->prev_sub.ret);
FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
if (end <= 0)
goto out;
}
if (!*got_output)
return ret;
if (ist->sub2video.frame) {
sub2video_update(ist, INT64_MIN, &subtitle);
} else if (ist->nb_filters) {
if (!ist->sub2video.sub_queue)
ist->sub2video.sub_queue = av_fifo_alloc(8 * sizeof(AVSubtitle));
if (!ist->sub2video.sub_queue)
exit_program(1);
if (!av_fifo_space(ist->sub2video.sub_queue)) {
ret = av_fifo_realloc2(ist->sub2video.sub_queue, 2 * av_fifo_size(ist->sub2video.sub_queue));
if (ret < 0)
exit_program(1);
}
av_fifo_generic_write(ist->sub2video.sub_queue, &subtitle, sizeof(subtitle), NULL);
free_sub = 0;
}
if (!subtitle.num_rects)
goto out;
ist->frames_decoded++;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!check_output_constraints(ist, ost) || !ost->encoding_needed
|| ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
continue;
do_subtitle_out(output_files[ost->file_index], ost, &subtitle);
}
out:
if (free_sub)
avsubtitle_free(&subtitle);
return ret;
}
static int send_filter_eof(InputStream *ist)
{
int i, ret;
int64_t pts = av_rescale_q_rnd(ist->pts, AV_TIME_BASE_Q, ist->st->time_base,
AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX);
for (i = 0; i < ist->nb_filters; i++) {
ret = ifilter_send_eof(ist->filters[i], pts);
if (ret < 0)
return ret;
}
return 0;
}
static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
{
int ret = 0, i;
int repeating = 0;
int eof_reached = 0;
AVPacket avpkt;
if (!ist->saw_first_ts) {
ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
ist->pts = 0;
if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
ist->pts = ist->dts;
}
ist->saw_first_ts = 1;
}
if (ist->next_dts == AV_NOPTS_VALUE)
ist->next_dts = ist->dts;
if (ist->next_pts == AV_NOPTS_VALUE)
ist->next_pts = ist->pts;
if (!pkt) {
av_init_packet(&avpkt);
avpkt.data = NULL;
avpkt.size = 0;
} else {
avpkt = *pkt;
}
if (pkt && pkt->dts != AV_NOPTS_VALUE) {
ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
ist->next_pts = ist->pts = ist->dts;
}
while (ist->decoding_needed) {
int64_t duration_dts = 0;
int64_t duration_pts = 0;
int got_output = 0;
int decode_failed = 0;
ist->pts = ist->next_pts;
ist->dts = ist->next_dts;
switch (ist->dec_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output,
&decode_failed);
break;
case AVMEDIA_TYPE_VIDEO:
ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, &duration_pts, !pkt,
&decode_failed);
if (!repeating || !pkt || got_output) {
if (pkt && pkt->duration) {
duration_dts = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
duration_dts = ((int64_t)AV_TIME_BASE *
ist->dec_ctx->framerate.den * ticks) /
ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
}
if(ist->dts != AV_NOPTS_VALUE && duration_dts) {
ist->next_dts += duration_dts;
}else
ist->next_dts = AV_NOPTS_VALUE;
}
if (got_output) {
if (duration_pts > 0) {
ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
} else {
ist->next_pts += duration_dts;
}
}
break;
case AVMEDIA_TYPE_SUBTITLE:
if (repeating)
break;
ret = transcode_subtitles(ist, &avpkt, &got_output, &decode_failed);
if (!pkt && ret >= 0)
ret = AVERROR_EOF;
break;
default:
return -1;
}
if (ret == AVERROR_EOF) {
eof_reached = 1;
break;
}
if (ret < 0) {
if (decode_failed) {
av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
ist->file_index, ist->st->index, av_err2str(ret));
} else {
av_log(NULL, AV_LOG_FATAL, "Error while processing the decoded "
"data for stream #%d:%d\n", ist->file_index, ist->st->index);
}
if (!decode_failed || exit_on_error)
exit_program(1);
break;
}
if (got_output)
ist->got_output = 1;
if (!got_output)
break;
if (!pkt)
break;
repeating = 1;
}
if (!pkt && ist->decoding_needed && eof_reached && !no_eof) {
int ret = send_filter_eof(ist);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
exit_program(1);
}
}
if (!ist->decoding_needed && pkt) {
ist->dts = ist->next_dts;
switch (ist->dec_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
av_assert1(pkt->duration >= 0);
if (ist->dec_ctx->sample_rate) {
ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
ist->dec_ctx->sample_rate;
} else {
ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
}
break;
case AVMEDIA_TYPE_VIDEO:
if (ist->framerate.num) {
AVRational time_base_q = AV_TIME_BASE_Q;
int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
} else if (pkt->duration) {
ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->dec_ctx->framerate.num != 0) {
int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
ist->next_dts += ((int64_t)AV_TIME_BASE *
ist->dec_ctx->framerate.den * ticks) /
ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
}
break;
}
ist->pts = ist->dts;
ist->next_pts = ist->next_dts;
}
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!check_output_constraints(ist, ost) || ost->encoding_needed)
continue;
do_streamcopy(ist, ost, pkt);
}
return !eof_reached;
}
static void print_sdp(void)
{
char sdp[16384];
int i;
int j;
AVIOContext *sdp_pb;
AVFormatContext **avc;
for (i = 0; i < nb_output_files; i++) {
if (!output_files[i]->header_written)
return;
}
avc = av_malloc_array(nb_output_files, sizeof(*avc));
if (!avc)
exit_program(1);
for (i = 0, j = 0; i < nb_output_files; i++) {
if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
avc[j] = output_files[i]->ctx;
j++;
}
}
if (!j)
goto fail;
av_sdp_create(avc, j, sdp, sizeof(sdp));
if (!sdp_filename) {
printf("SDP:\n%s\n", sdp);
fflush(stdout);
} else {
if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
} else {
avio_print(sdp_pb, sdp);
avio_closep(&sdp_pb);
av_freep(&sdp_filename);
}
}
fail:
av_freep(&avc);
}
static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
{
InputStream *ist = s->opaque;
const enum AVPixelFormat *p;
int ret;
for (p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
const AVCodecHWConfig *config = NULL;
int i;
if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
break;
if (ist->hwaccel_id == HWACCEL_GENERIC ||
ist->hwaccel_id == HWACCEL_AUTO) {
for (i = 0;; i++) {
config = avcodec_get_hw_config(s->codec, i);
if (!config)
break;
if (!(config->methods &
AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
continue;
if (config->pix_fmt == *p)
break;
}
}
if (config) {
if (config->device_type != ist->hwaccel_device_type) {
continue;
}
ret = hwaccel_decode_init(s);
if (ret < 0) {
if (ist->hwaccel_id == HWACCEL_GENERIC) {
av_log(NULL, AV_LOG_FATAL,
"%s hwaccel requested for input stream #%d:%d, "
"but cannot be initialized.\n",
av_hwdevice_get_type_name(config->device_type),
ist->file_index, ist->st->index);
return AV_PIX_FMT_NONE;
}
continue;
}
} else {
const HWAccel *hwaccel = NULL;
int i;
for (i = 0; hwaccels[i].name; i++) {
if (hwaccels[i].pix_fmt == *p) {
hwaccel = &hwaccels[i];
break;
}
}
if (!hwaccel) {
continue;
}
if (hwaccel->id != ist->hwaccel_id) {
continue;
}
ret = hwaccel->init(s);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL,
"%s hwaccel requested for input stream #%d:%d, "
"but cannot be initialized.\n", hwaccel->name,
ist->file_index, ist->st->index);
return AV_PIX_FMT_NONE;
}
}
if (ist->hw_frames_ctx) {
s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
if (!s->hw_frames_ctx)
return AV_PIX_FMT_NONE;
}
ist->hwaccel_pix_fmt = *p;
break;
}
return *p;
}
static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
{
InputStream *ist = s->opaque;
if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
return ist->hwaccel_get_buffer(s, frame, flags);
return avcodec_default_get_buffer2(s, frame, flags);
}
static int init_input_stream(int ist_index, char *error, int error_len)
{
int ret;
InputStream *ist = input_streams[ist_index];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec) {
snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
return AVERROR(EINVAL);
}
ist->dec_ctx->opaque = ist;
ist->dec_ctx->get_format = get_format;
ist->dec_ctx->get_buffer2 = get_buffer;
ist->dec_ctx->thread_safe_callbacks = 1;
av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
(ist->decoding_needed & DECODING_FOR_OST)) {
av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
if (ist->decoding_needed & DECODING_FOR_FILTER)
av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
}
av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
ist->dec_ctx->pkt_timebase = ist->st->time_base;
if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
if (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)
av_dict_set(&ist->decoder_opts, "threads", "1", 0);
ret = hw_device_setup_for_decode(ist);
if (ret < 0) {
snprintf(error, error_len, "Device setup failed for "
"decoder on input stream #%d:%d : %s",
ist->file_index, ist->st->index, av_err2str(ret));
return ret;
}
if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
if (ret == AVERROR_EXPERIMENTAL)
abort_codec_experimental(codec, 0);
snprintf(error, error_len,
"Error while opening decoder for input stream "
"#%d:%d : %s",
ist->file_index, ist->st->index, av_err2str(ret));
return ret;
}
assert_avoptions(ist->decoder_opts);
}
ist->next_pts = AV_NOPTS_VALUE;
ist->next_dts = AV_NOPTS_VALUE;
return 0;
}
static InputStream *get_input_stream(OutputStream *ost)
{
if (ost->source_index >= 0)
return input_streams[ost->source_index];
return NULL;
}
static int compare_int64(const void *a, const void *b)
{
return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
}
static int check_init_output_file(OutputFile *of, int file_index)
{
int ret, i;
for (i = 0; i < of->ctx->nb_streams; i++) {
OutputStream *ost = output_streams[of->ost_index + i];
if (!ost->initialized)
return 0;
}
of->ctx->interrupt_callback = int_cb;
ret = avformat_write_header(of->ctx, &of->opts);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
"Could not write header for output file #%d "
"(incorrect codec parameters ?): %s\n",
file_index, av_err2str(ret));
return ret;
}
of->header_written = 1;
av_dump_format(of->ctx, file_index, of->ctx->url, 1);
if (sdp_filename || want_sdp)
print_sdp();
for (i = 0; i < of->ctx->nb_streams; i++) {
OutputStream *ost = output_streams[of->ost_index + i];
if (!av_fifo_size(ost->muxing_queue))
ost->mux_timebase = ost->st->time_base;
while (av_fifo_size(ost->muxing_queue)) {
AVPacket pkt;
av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
write_packet(of, &pkt, ost, 1);
}
}
return 0;
}
static int init_output_bsfs(OutputStream *ost)
{
AVBSFContext *ctx = ost->bsf_ctx;
int ret;
if (!ctx)
return 0;
ret = avcodec_parameters_copy(ctx->par_in, ost->st->codecpar);
if (ret < 0)
return ret;
ctx->time_base_in = ost->st->time_base;
ret = av_bsf_init(ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
ctx->filter->name);
return ret;
}
ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
if (ret < 0)
return ret;
ost->st->time_base = ctx->time_base_out;
return 0;
}
static int init_output_stream_streamcopy(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
InputStream *ist = get_input_stream(ost);
AVCodecParameters *par_dst = ost->st->codecpar;
AVCodecParameters *par_src = ost->ref_par;
AVRational sar;
int i, ret;
uint32_t codec_tag = par_dst->codec_tag;
av_assert0(ist && !ost->filter);
ret = avcodec_parameters_to_context(ost->enc_ctx, ist->st->codecpar);
if (ret >= 0)
ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL,
"Error setting up codec context options.\n");
return ret;
}
ret = avcodec_parameters_from_context(par_src, ost->enc_ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL,
"Error getting reference codec parameters.\n");
return ret;
}
if (!codec_tag) {
unsigned int codec_tag_tmp;
if (!of->ctx->oformat->codec_tag ||
av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
!av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag_tmp))
codec_tag = par_src->codec_tag;
}
ret = avcodec_parameters_copy(par_dst, par_src);
if (ret < 0)
return ret;
par_dst->codec_tag = codec_tag;
if (!ost->frame_rate.num)
ost->frame_rate = ist->framerate;
ost->st->avg_frame_rate = ost->frame_rate;
ret = avformat_transfer_internal_stream_timing_info(of->ctx->oformat, ost->st, ist->st, copy_tb);
if (ret < 0)
return ret;
if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
ost->st->time_base = av_add_q(av_stream_get_codec_timebase(ost->st), (AVRational){0, 1});
if (ost->st->duration <= 0 && ist->st->duration > 0)
ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
ost->st->disposition = ist->st->disposition;
if (ist->st->nb_side_data) {
for (i = 0; i < ist->st->nb_side_data; i++) {
const AVPacketSideData *sd_src = &ist->st->side_data[i];
uint8_t *dst_data;
dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
if (!dst_data)
return AVERROR(ENOMEM);
memcpy(dst_data, sd_src->data, sd_src->size);
}
}
if (ost->rotate_overridden) {
uint8_t *sd = av_stream_new_side_data(ost->st, AV_PKT_DATA_DISPLAYMATRIX,
sizeof(int32_t) * 9);
if (sd)
av_display_rotation_set((int32_t *)sd, -ost->rotate_override_value);
}
switch (par_dst->codec_type) {
case AVMEDIA_TYPE_AUDIO:
if (audio_volume != 256) {
av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
exit_program(1);
}
if((par_dst->block_align == 1 || par_dst->block_align == 1152 || par_dst->block_align == 576) && par_dst->codec_id == AV_CODEC_ID_MP3)
par_dst->block_align= 0;
if(par_dst->codec_id == AV_CODEC_ID_AC3)
par_dst->block_align= 0;
break;
case AVMEDIA_TYPE_VIDEO:
if (ost->frame_aspect_ratio.num) {
sar =
av_mul_q(ost->frame_aspect_ratio,
(AVRational){ par_dst->height, par_dst->width });
av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
"with stream copy may produce invalid files\n");
}
else if (ist->st->sample_aspect_ratio.num)
sar = ist->st->sample_aspect_ratio;
else
sar = par_src->sample_aspect_ratio;
ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
ost->st->avg_frame_rate = ist->st->avg_frame_rate;
ost->st->r_frame_rate = ist->st->r_frame_rate;
break;
}
ost->mux_timebase = ist->st->time_base;
return 0;
}
static void set_encoder_id(OutputFile *of, OutputStream *ost)
{
AVDictionaryEntry *e;
uint8_t *encoder_string;
int encoder_string_len;
int format_flags = 0;
int codec_flags = ost->enc_ctx->flags;
if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
return;
e = av_dict_get(of->opts, "fflags", NULL, 0);
if (e) {
const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
if (!o)
return;
av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
}
e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
if (e) {
const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
if (!o)
return;
av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
}
encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
encoder_string = av_mallocz(encoder_string_len);
if (!encoder_string)
exit_program(1);
if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
else
av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
av_dict_set(&ost->st->metadata, "encoder", encoder_string,
AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
}
static void parse_forced_key_frames(char *kf, OutputStream *ost,
AVCodecContext *avctx)
{
char *p;
int n = 1, i, size, index = 0;
int64_t t, *pts;
for (p = kf; *p; p++)
if (*p == ',')
n++;
size = n;
pts = av_malloc_array(size, sizeof(*pts));
if (!pts) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
exit_program(1);
}
p = kf;
for (i = 0; i < n; i++) {
char *next = strchr(p, ',');
if (next)
*next++ = 0;
if (!memcmp(p, "chapters", 8)) {
AVFormatContext *avf = output_files[ost->file_index]->ctx;
int j;
if (avf->nb_chapters > INT_MAX - size ||
!(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
sizeof(*pts)))) {
av_log(NULL, AV_LOG_FATAL,
"Could not allocate forced key frames array.\n");
exit_program(1);
}
t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
for (j = 0; j < avf->nb_chapters; j++) {
AVChapter *c = avf->chapters[j];
av_assert1(index < size);
pts[index++] = av_rescale_q(c->start, c->time_base,
avctx->time_base) + t;
}
} else {
t = parse_time_or_die("force_key_frames", p, 1);
av_assert1(index < size);
pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
}
p = next;
}
av_assert0(index == size);
qsort(pts, size, sizeof(*pts), compare_int64);
ost->forced_kf_count = size;
ost->forced_kf_pts = pts;
}
static void init_encoder_time_base(OutputStream *ost, AVRational default_time_base)
{
InputStream *ist = get_input_stream(ost);
AVCodecContext *enc_ctx = ost->enc_ctx;
AVFormatContext *oc;
if (ost->enc_timebase.num > 0) {
enc_ctx->time_base = ost->enc_timebase;
return;
}
if (ost->enc_timebase.num < 0) {
if (ist) {
enc_ctx->time_base = ist->st->time_base;
return;
}
oc = output_files[ost->file_index]->ctx;
av_log(oc, AV_LOG_WARNING, "Input stream data not available, using default time base\n");
}
enc_ctx->time_base = default_time_base;
}
static int init_output_stream_encode(OutputStream *ost)
{
InputStream *ist = get_input_stream(ost);
AVCodecContext *enc_ctx = ost->enc_ctx;
AVCodecContext *dec_ctx = NULL;
AVFormatContext *oc = output_files[ost->file_index]->ctx;
int j, ret;
set_encoder_id(output_files[ost->file_index], ost);
av_dict_set(&ost->st->metadata, "rotate", NULL, 0);
if (ist) {
ost->st->disposition = ist->st->disposition;
dec_ctx = ist->dec_ctx;
enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
} else {
for (j = 0; j < oc->nb_streams; j++) {
AVStream *st = oc->streams[j];
if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
break;
}
if (j == oc->nb_streams)
if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
ost->st->disposition = AV_DISPOSITION_DEFAULT;
}
if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
if (!ost->frame_rate.num)
ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
if (ist && !ost->frame_rate.num)
ost->frame_rate = ist->framerate;
if (ist && !ost->frame_rate.num)
ost->frame_rate = ist->st->r_frame_rate;
if (ist && !ost->frame_rate.num) {
ost->frame_rate = (AVRational){25, 1};
av_log(NULL, AV_LOG_WARNING,
"No information "
"about the input framerate is available. Falling "
"back to a default value of 25fps for output stream #%d:%d. Use the -r option "
"if you want a different framerate.\n",
ost->file_index, ost->index);
}
if (ost->enc->supported_framerates && !ost->force_fps) {
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
ost->frame_rate = ost->enc->supported_framerates[idx];
}
if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
ost->frame_rate.num, ost->frame_rate.den, 65535);
}
}
switch (enc_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
enc_ctx->sample_fmt = av_buffersink_get_format(ost->filter->filter);
if (dec_ctx)
enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
enc_ctx->sample_rate = av_buffersink_get_sample_rate(ost->filter->filter);
enc_ctx->channel_layout = av_buffersink_get_channel_layout(ost->filter->filter);
enc_ctx->channels = av_buffersink_get_channels(ost->filter->filter);
init_encoder_time_base(ost, av_make_q(1, enc_ctx->sample_rate));
break;
case AVMEDIA_TYPE_VIDEO:
init_encoder_time_base(ost, av_inv_q(ost->frame_rate));
if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
enc_ctx->time_base = av_buffersink_get_time_base(ost->filter->filter);
if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
&& (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
"Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
}
enc_ctx->width = av_buffersink_get_w(ost->filter->filter);
enc_ctx->height = av_buffersink_get_h(ost->filter->filter);
enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
ost->frame_aspect_ratio.num ?
av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
av_buffersink_get_sample_aspect_ratio(ost->filter->filter);
enc_ctx->pix_fmt = av_buffersink_get_format(ost->filter->filter);
if (dec_ctx)
enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
enc_ctx->framerate = ost->frame_rate;
ost->st->avg_frame_rate = ost->frame_rate;
if (!dec_ctx ||
enc_ctx->width != dec_ctx->width ||
enc_ctx->height != dec_ctx->height ||
enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
}
if (ost->top_field_first == 0) {
enc_ctx->field_order = AV_FIELD_BB;
} else if (ost->top_field_first == 1) {
enc_ctx->field_order = AV_FIELD_TT;
}
if (ost->forced_keyframes) {
if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
"Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
return ret;
}
ost->forced_keyframes_expr_const_values[FKF_N] = 0;
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
} else if(strncmp(ost->forced_keyframes, "source", 6)) {
parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
}
}
break;
case AVMEDIA_TYPE_SUBTITLE:
enc_ctx->time_base = AV_TIME_BASE_Q;
if (!enc_ctx->width) {
enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
}
break;
case AVMEDIA_TYPE_DATA:
break;
default:
abort();
break;
}
ost->mux_timebase = enc_ctx->time_base;
return 0;
}
static int init_output_stream(OutputStream *ost, char *error, int error_len)
{
int ret = 0;
if (ost->encoding_needed) {
AVCodec *codec = ost->enc;
AVCodecContext *dec = NULL;
InputStream *ist;
ret = init_output_stream_encode(ost);
if (ret < 0)
return ret;
if ((ist = get_input_stream(ost)))
dec = ist->dec_ctx;
if (dec && dec->subtitle_header) {
ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
if (!ost->enc_ctx->subtitle_header)
return AVERROR(ENOMEM);
memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
}
if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
!codec->defaults &&
!av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
!av_dict_get(ost->encoder_opts, "ab", NULL, 0))
av_dict_set(&ost->encoder_opts, "b", "128000", 0);
ret = hw_device_setup_for_encode(ost);
if (ret < 0) {
snprintf(error, error_len, "Device setup failed for "
"encoder on output stream #%d:%d : %s",
ost->file_index, ost->index, av_err2str(ret));
return ret;
}
if (ist && ist->dec->type == AVMEDIA_TYPE_SUBTITLE && ost->enc->type == AVMEDIA_TYPE_SUBTITLE) {
int input_props = 0, output_props = 0;
AVCodecDescriptor const *input_descriptor =
avcodec_descriptor_get(dec->codec_id);
AVCodecDescriptor const *output_descriptor =
avcodec_descriptor_get(ost->enc_ctx->codec_id);
if (input_descriptor)
input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
if (output_descriptor)
output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
if (input_props && output_props && input_props != output_props) {
snprintf(error, error_len,
"Subtitle encoding currently only possible from text to text "
"or bitmap to bitmap");
return AVERROR_INVALIDDATA;
}
}
if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
if (ret == AVERROR_EXPERIMENTAL)
abort_codec_experimental(codec, 1);
snprintf(error, error_len,
"Error while opening encoder for output stream #%d:%d - "
"maybe incorrect parameters such as bit_rate, rate, width or height",
ost->file_index, ost->index);
return ret;
}
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
!(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
av_buffersink_set_frame_size(ost->filter->filter,
ost->enc_ctx->frame_size);
assert_avoptions(ost->encoder_opts);
if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000 &&
ost->enc_ctx->codec_id != AV_CODEC_ID_CODEC2 )
av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
" It takes bits/s as argument, not kbits/s\n");
ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL,
"Error initializing the output stream codec context.\n");
exit_program(1);
}
ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
if (ret < 0)
return ret;
if (ost->enc_ctx->nb_coded_side_data) {
int i;
for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
uint8_t *dst_data;
dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
if (!dst_data)
return AVERROR(ENOMEM);
memcpy(dst_data, sd_src->data, sd_src->size);
}
}
if (ist) {
int i;
for (i = 0; i < ist->st->nb_side_data; i++) {
AVPacketSideData *sd = &ist->st->side_data[i];
if (sd->type != AV_PKT_DATA_CPB_PROPERTIES) {
uint8_t *dst = av_stream_new_side_data(ost->st, sd->type, sd->size);
if (!dst)
return AVERROR(ENOMEM);
memcpy(dst, sd->data, sd->size);
if (ist->autorotate && sd->type == AV_PKT_DATA_DISPLAYMATRIX)
av_display_rotation_set((uint32_t *)dst, 0);
}
}
}
if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
if (ost->st->duration <= 0 && ist && ist->st->duration > 0)
ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
ost->st->codec->codec= ost->enc_ctx->codec;
} else if (ost->stream_copy) {
ret = init_output_stream_streamcopy(ost);
if (ret < 0)
return ret;
}
if (ost->disposition) {
static const AVOption opts[] = {
{ "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
{ "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
{ "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
{ "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
{ "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
{ "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
{ "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
{ "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
{ "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
{ "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
{ "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
{ "attached_pic" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "flags" },
{ "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
{ "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
{ "dependent" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "flags" },
{ "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
{ NULL },
};
static const AVClass class = {
.class_name = "",
.item_name = av_default_item_name,
.option = opts,
.version = LIBAVUTIL_VERSION_INT,
};
const AVClass *pclass = &class;
ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
if (ret < 0)
return ret;
}
ret = init_output_bsfs(ost);
if (ret < 0)
return ret;
ost->initialized = 1;
ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
if (ret < 0)
return ret;
return ret;
}
static void report_new_stream(int input_index, AVPacket *pkt)
{
InputFile *file = input_files[input_index];
AVStream *st = file->ctx->streams[pkt->stream_index];
if (pkt->stream_index < file->nb_streams_warn)
return;
av_log(file->ctx, AV_LOG_WARNING,
"New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
av_get_media_type_string(st->codecpar->codec_type),
input_index, pkt->stream_index,
pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
file->nb_streams_warn = pkt->stream_index + 1;
}
static int transcode_init(void)
{
int ret = 0, i, j, k;
AVFormatContext *oc;
OutputStream *ost;
InputStream *ist;
char error[1024] = {0};
for (i = 0; i < nb_filtergraphs; i++) {
FilterGraph *fg = filtergraphs[i];
for (j = 0; j < fg->nb_outputs; j++) {
OutputFilter *ofilter = fg->outputs[j];
if (!ofilter->ost || ofilter->ost->source_index >= 0)
continue;
if (fg->nb_inputs != 1)
continue;
for (k = nb_input_streams-1; k >= 0 ; k--)
if (fg->inputs[0]->ist == input_streams[k])
break;
ofilter->ost->source_index = k;
}
}
for (i = 0; i < nb_input_files; i++) {
InputFile *ifile = input_files[i];
if (ifile->rate_emu)
for (j = 0; j < ifile->nb_streams; j++)
input_streams[j + ifile->ist_index]->start = av_gettime_relative();
}
for (i = 0; i < nb_input_streams; i++)
if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
avcodec_close(ost->enc_ctx);
}
goto dump_format;
}
for (i = 0; i < nb_output_streams; i++) {
if (output_streams[i]->filter)
continue;
ret = init_output_stream(output_streams[i], error, sizeof(error));
if (ret < 0)
goto dump_format;
}
for (i = 0; i < nb_input_files; i++) {
InputFile *ifile = input_files[i];
for (j = 0; j < ifile->ctx->nb_programs; j++) {
AVProgram *p = ifile->ctx->programs[j];
int discard = AVDISCARD_ALL;
for (k = 0; k < p->nb_stream_indexes; k++)
if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
discard = AVDISCARD_DEFAULT;
break;
}
p->discard = discard;
}
}
for (i = 0; i < nb_output_files; i++) {
oc = output_files[i]->ctx;
if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
ret = check_init_output_file(output_files[i], i);
if (ret < 0)
goto dump_format;
}
}
dump_format:
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
for (j = 0; j < ist->nb_filters; j++) {
if (!filtergraph_is_simple(ist->filters[j]->graph)) {
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
ist->filters[j]->name);
if (nb_filtergraphs > 1)
av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
av_log(NULL, AV_LOG_INFO, "\n");
}
}
}
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
if (ost->attachment_filename) {
av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
ost->attachment_filename, ost->file_index, ost->index);
continue;
}
if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
if (nb_filtergraphs > 1)
av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
ost->index, ost->enc ? ost->enc->name : "?");
continue;
}
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
input_streams[ost->source_index]->file_index,
input_streams[ost->source_index]->st->index,
ost->file_index,
ost->index);
if (ost->sync_ist != input_streams[ost->source_index])
av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
ost->sync_ist->file_index,
ost->sync_ist->st->index);
if (ost->stream_copy)
av_log(NULL, AV_LOG_INFO, " (copy)");
else {
const AVCodec *in_codec = input_streams[ost->source_index]->dec;
const AVCodec *out_codec = ost->enc;
const char *decoder_name = "?";
const char *in_codec_name = "?";
const char *encoder_name = "?";
const char *out_codec_name = "?";
const AVCodecDescriptor *desc;
if (in_codec) {
decoder_name = in_codec->name;
desc = avcodec_descriptor_get(in_codec->id);
if (desc)
in_codec_name = desc->name;
if (!strcmp(decoder_name, in_codec_name))
decoder_name = "native";
}
if (out_codec) {
encoder_name = out_codec->name;
desc = avcodec_descriptor_get(out_codec->id);
if (desc)
out_codec_name = desc->name;
if (!strcmp(encoder_name, out_codec_name))
encoder_name = "native";
}
av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
in_codec_name, decoder_name,
out_codec_name, encoder_name);
}
av_log(NULL, AV_LOG_INFO, "\n");
}
if (ret) {
av_log(NULL, AV_LOG_ERROR, "%s\n", error);
return ret;
}
atomic_store(&transcode_init_done, 1);
return 0;
}
static int need_output(void)
{
int i;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
AVFormatContext *os = output_files[ost->file_index]->ctx;
if (ost->finished ||
(os->pb && avio_tell(os->pb) >= of->limit_filesize))
continue;
if (ost->frame_number >= ost->max_frames) {
int j;
for (j = 0; j < of->ctx->nb_streams; j++)
close_output_stream(output_streams[of->ost_index + j]);
continue;
}
return 1;
}
return 0;
}
static OutputStream *choose_output(void)
{
int i;
int64_t opts_min = INT64_MAX;
OutputStream *ost_min = NULL;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
av_rescale_q(ost->st->cur_dts, ost->st->time_base,
AV_TIME_BASE_Q);
if (ost->st->cur_dts == AV_NOPTS_VALUE)
av_log(NULL, AV_LOG_DEBUG,
"cur_dts is invalid st:%d (%d) [init:%d i_done:%d finish:%d] (this is harmless if it occurs once at the start per stream)\n",
ost->st->index, ost->st->id, ost->initialized, ost->inputs_done, ost->finished);
if (!ost->initialized && !ost->inputs_done)
return ost;
if (!ost->finished && opts < opts_min) {
opts_min = opts;
ost_min = ost->unavailable ? NULL : ost;
}
}
return ost_min;
}
static void set_tty_echo(int on)
{
#if HAVE_TERMIOS_H
struct termios tty;
if (tcgetattr(0, &tty) == 0) {
if (on) tty.c_lflag |= ECHO;
else tty.c_lflag &= ~ECHO;
tcsetattr(0, TCSANOW, &tty);
}
#endif
}
static int check_keyboard_interaction(int64_t cur_time)
{
int i, ret, key;
static int64_t last_time;
if (received_nb_signals)
return AVERROR_EXIT;
if(cur_time - last_time >= 100000 && !run_as_daemon){
key = read_key();
last_time = cur_time;
}else
key = -1;
if (key == 'q')
return AVERROR_EXIT;
if (key == '+') av_log_set_level(av_log_get_level()+10);
if (key == '-') av_log_set_level(av_log_get_level()-10);
if (key == 's') qp_hist ^= 1;
if (key == 'h'){
if (do_hex_dump){
do_hex_dump = do_pkt_dump = 0;
} else if(do_pkt_dump){
do_hex_dump = 1;
} else
do_pkt_dump = 1;
av_log_set_level(AV_LOG_DEBUG);
}
if (key == 'c' || key == 'C'){
char buf[4096], target[64], command[256], arg[256] = {0};
double time;
int k, n = 0;
fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
i = 0;
set_tty_echo(1);
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
if (k > 0)
buf[i++] = k;
buf[i] = 0;
set_tty_echo(0);
fprintf(stderr, "\n");
if (k > 0 &&
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
target, time, command, arg);
for (i = 0; i < nb_filtergraphs; i++) {
FilterGraph *fg = filtergraphs[i];
if (fg->graph) {
if (time < 0) {
ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
} else if (key == 'c') {
fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
ret = AVERROR_PATCHWELCOME;
} else {
ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
if (ret < 0)
fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
}
}
}
} else {
av_log(NULL, AV_LOG_ERROR,
"Parse error, at least 3 arguments were expected, "
"only %d given in string '%s'\n", n, buf);
}
}
if (key == 'd' || key == 'D'){
int debug=0;
if(key == 'D') {
debug = input_streams[0]->st->codec->debug<<1;
if(!debug) debug = 1;
while(debug & (FF_DEBUG_DCT_COEFF
#if FF_API_DEBUG_MV
|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE
#endif
))
debug += debug;
}else{
char buf[32];
int k = 0;
i = 0;
set_tty_echo(1);
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
if (k > 0)
buf[i++] = k;
buf[i] = 0;
set_tty_echo(0);
fprintf(stderr, "\n");
if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
fprintf(stderr,"error parsing debug value\n");
}
for(i=0;i<nb_input_streams;i++) {
input_streams[i]->st->codec->debug = debug;
}
for(i=0;i<nb_output_streams;i++) {
OutputStream *ost = output_streams[i];
ost->enc_ctx->debug = debug;
}
if(debug) av_log_set_level(AV_LOG_DEBUG);
fprintf(stderr,"debug=%d\n", debug);
}
if (key == '?'){
fprintf(stderr, "key function\n"
"? show this help\n"
"+ increase verbosity\n"
"- decrease verbosity\n"
"c Send command to first matching filter supporting it\n"
"C Send/Queue command to all matching filters\n"
"D cycle through available debug modes\n"
"h dump packets/hex press to cycle through the 3 states\n"
"q quit\n"
"s Show QP histogram\n"
);
}
return 0;
}
#if HAVE_THREADS
static void *input_thread(void *arg)
{
InputFile *f = arg;
unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
int ret = 0;
while (1) {
AVPacket pkt;
ret = av_read_frame(f->ctx, &pkt);
if (ret == AVERROR(EAGAIN)) {
av_usleep(10000);
continue;
}
if (ret < 0) {
av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
break;
}
ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
if (flags && ret == AVERROR(EAGAIN)) {
flags = 0;
ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
av_log(f->ctx, AV_LOG_WARNING,
"Thread message queue blocking; consider raising the "
"thread_queue_size option (current value: %d)\n",
f->thread_queue_size);
}
if (ret < 0) {
if (ret != AVERROR_EOF)
av_log(f->ctx, AV_LOG_ERROR,
"Unable to send packet to main thread: %s\n",
av_err2str(ret));
av_packet_unref(&pkt);
av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
break;
}
}
return NULL;
}
static void free_input_thread(int i)
{
InputFile *f = input_files[i];
AVPacket pkt;
if (!f || !f->in_thread_queue)
return;
av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
av_packet_unref(&pkt);
pthread_join(f->thread, NULL);
f->joined = 1;
av_thread_message_queue_free(&f->in_thread_queue);
}
static void free_input_threads(void)
{
int i;
for (i = 0; i < nb_input_files; i++)
free_input_thread(i);
}
static int init_input_thread(int i)
{
int ret;
InputFile *f = input_files[i];
if (nb_input_files == 1)
return 0;
if (f->ctx->pb ? !f->ctx->pb->seekable :
strcmp(f->ctx->iformat->name, "lavfi"))
f->non_blocking = 1;
ret = av_thread_message_queue_alloc(&f->in_thread_queue,
f->thread_queue_size, sizeof(AVPacket));
if (ret < 0)
return ret;
if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
av_thread_message_queue_free(&f->in_thread_queue);
return AVERROR(ret);
}
return 0;
}
static int init_input_threads(void)
{
int i, ret;
for (i = 0; i < nb_input_files; i++) {
ret = init_input_thread(i);
if (ret < 0)
return ret;
}
return 0;
}
static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
{
return av_thread_message_queue_recv(f->in_thread_queue, pkt,
f->non_blocking ?
AV_THREAD_MESSAGE_NONBLOCK : 0);
}
#endif
static int get_input_packet(InputFile *f, AVPacket *pkt)
{
if (f->rate_emu) {
int i;
for (i = 0; i < f->nb_streams; i++) {
InputStream *ist = input_streams[f->ist_index + i];
int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
int64_t now = av_gettime_relative() - ist->start;
if (pts > now)
return AVERROR(EAGAIN);
}
}
#if HAVE_THREADS
if (nb_input_files > 1)
return get_input_packet_mt(f, pkt);
#endif
return av_read_frame(f->ctx, pkt);
}
static int got_eagain(void)
{
int i;
for (i = 0; i < nb_output_streams; i++)
if (output_streams[i]->unavailable)
return 1;
return 0;
}
static void reset_eagain(void)
{
int i;
for (i = 0; i < nb_input_files; i++)
input_files[i]->eagain = 0;
for (i = 0; i < nb_output_streams; i++)
output_streams[i]->unavailable = 0;
}
static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
AVRational time_base)
{
int ret;
if (!*duration) {
*duration = tmp;
return tmp_time_base;
}
ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
if (ret < 0) {
*duration = tmp;
return tmp_time_base;
}
return time_base;
}
static int seek_to_start(InputFile *ifile, AVFormatContext *is)
{
InputStream *ist;
AVCodecContext *avctx;
int i, ret, has_audio = 0;
int64_t duration = 0;
ret = avformat_seek_file(is, -1, INT64_MIN, is->start_time, is->start_time, 0);
if (ret < 0)
return ret;
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
avctx = ist->dec_ctx;
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
has_audio = 1;
}
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
avctx = ist->dec_ctx;
if (has_audio) {
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
AVRational sample_rate = {1, avctx->sample_rate};
duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
} else {
continue;
}
} else {
if (ist->framerate.num) {
duration = av_rescale_q(1, av_inv_q(ist->framerate), ist->st->time_base);
} else if (ist->st->avg_frame_rate.num) {
duration = av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate), ist->st->time_base);
} else {
duration = 1;
}
}
if (!ifile->duration)
ifile->time_base = ist->st->time_base;
if (ist->max_pts > ist->min_pts && ist->max_pts - (uint64_t)ist->min_pts < INT64_MAX - duration)
duration += ist->max_pts - ist->min_pts;
ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
ifile->time_base);
}
if (ifile->loop > 0)
ifile->loop--;
return ret;
}
static int process_input(int file_index)
{
InputFile *ifile = input_files[file_index];
AVFormatContext *is;
InputStream *ist;
AVPacket pkt;
int ret, thread_ret, i, j;
int64_t duration;
int64_t pkt_dts;
int disable_discontinuity_correction = copy_ts;
is = ifile->ctx;
ret = get_input_packet(ifile, &pkt);
if (ret == AVERROR(EAGAIN)) {
ifile->eagain = 1;
return ret;
}
if (ret < 0 && ifile->loop) {
AVCodecContext *avctx;
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
avctx = ist->dec_ctx;
if (ist->decoding_needed) {
ret = process_input_packet(ist, NULL, 1);
if (ret>0)
return 0;
avcodec_flush_buffers(avctx);
}
}
#if HAVE_THREADS
free_input_thread(file_index);
#endif
ret = seek_to_start(ifile, is);
#if HAVE_THREADS
thread_ret = init_input_thread(file_index);
if (thread_ret < 0)
return thread_ret;
#endif
if (ret < 0)
av_log(NULL, AV_LOG_WARNING, "Seek to start failed.\n");
else
ret = get_input_packet(ifile, &pkt);
if (ret == AVERROR(EAGAIN)) {
ifile->eagain = 1;
return ret;
}
}
if (ret < 0) {
if (ret != AVERROR_EOF) {
print_error(is->url, ret);
if (exit_on_error)
exit_program(1);
}
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
if (ist->decoding_needed) {
ret = process_input_packet(ist, NULL, 0);
if (ret>0)
return 0;
}
for (j = 0; j < nb_output_streams; j++) {
OutputStream *ost = output_streams[j];
if (ost->source_index == ifile->ist_index + i &&
(ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
finish_output_stream(ost);
}
}
ifile->eof_reached = 1;
return AVERROR(EAGAIN);
}
reset_eagain();
if (do_pkt_dump) {
av_pkt_dump_log2(NULL, AV_LOG_INFO, &pkt, do_hex_dump,
is->streams[pkt.stream_index]);
}
if (pkt.stream_index >= ifile->nb_streams) {
report_new_stream(file_index, &pkt);
goto discard_packet;
}
ist = input_streams[ifile->ist_index + pkt.stream_index];
ist->data_size += pkt.size;
ist->nb_packets++;
if (ist->discard)
goto discard_packet;
if (pkt.flags & AV_PKT_FLAG_CORRUPT) {
av_log(NULL, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
"%s: corrupt input packet in stream %d\n", is->url, pkt.stream_index);
if (exit_on_error)
exit_program(1);
}
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
"next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
av_ts2str(input_files[ist->file_index]->ts_offset),
av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
}
if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
int64_t stime, stime2;
if ( ist->next_dts == AV_NOPTS_VALUE
&& ifile->ts_offset == -is->start_time
&& (is->iformat->flags & AVFMT_TS_DISCONT)) {
int64_t new_start_time = INT64_MAX;
for (i=0; i<is->nb_streams; i++) {
AVStream *st = is->streams[i];
if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
continue;
new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
}
if (new_start_time > is->start_time) {
av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
ifile->ts_offset = -new_start_time;
}
}
stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
ist->wrap_correction_done = 1;
if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
ist->wrap_correction_done = 0;
}
if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
ist->wrap_correction_done = 0;
}
}
if (ist->nb_packets == 1) {
for (i = 0; i < ist->st->nb_side_data; i++) {
AVPacketSideData *src_sd = &ist->st->side_data[i];
uint8_t *dst_data;
if (src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
continue;
if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
continue;
dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
if (!dst_data)
exit_program(1);
memcpy(dst_data, src_sd->data, src_sd->size);
}
}
if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts *= ist->ts_scale;
if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts *= ist->ts_scale;
pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
&& (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
int64_t delta = pkt_dts - ifile->last_ts;
if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
ifile->ts_offset -= delta;
av_log(NULL, AV_LOG_DEBUG,
"Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
delta, ifile->ts_offset);
pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
}
}
duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
if (pkt.pts != AV_NOPTS_VALUE) {
pkt.pts += duration;
ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
}
if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts += duration;
pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
if (copy_ts && pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
(is->iformat->flags & AVFMT_TS_DISCONT) && ist->st->pts_wrap_bits < 60) {
int64_t wrap_dts = av_rescale_q_rnd(pkt.dts + (1LL<<ist->st->pts_wrap_bits),
ist->st->time_base, AV_TIME_BASE_Q,
AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
if (FFABS(wrap_dts - ist->next_dts) < FFABS(pkt_dts - ist->next_dts)/10)
disable_discontinuity_correction = 0;
}
if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
!disable_discontinuity_correction) {
int64_t delta = pkt_dts - ist->next_dts;
if (is->iformat->flags & AVFMT_TS_DISCONT) {
if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
ifile->ts_offset -= delta;
av_log(NULL, AV_LOG_DEBUG,
"timestamp discontinuity for stream #%d:%d "
"(id=%d, type=%s): %"PRId64", new offset= %"PRId64"\n",
ist->file_index, ist->st->index, ist->st->id,
av_get_media_type_string(ist->dec_ctx->codec_type),
delta, ifile->ts_offset);
pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
}
} else {
if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
pkt.dts = AV_NOPTS_VALUE;
}
if (pkt.pts != AV_NOPTS_VALUE){
int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
delta = pkt_pts - ist->next_dts;
if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
pkt.pts = AV_NOPTS_VALUE;
}
}
}
}
if (pkt.dts != AV_NOPTS_VALUE)
ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
av_ts2str(input_files[ist->file_index]->ts_offset),
av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
}
sub2video_heartbeat(ist, pkt.pts);
process_input_packet(ist, &pkt, 0);
discard_packet:
av_packet_unref(&pkt);
return 0;
}
static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
{
int i, ret;
int nb_requests, nb_requests_max = 0;
InputFilter *ifilter;
InputStream *ist;
*best_ist = NULL;
ret = avfilter_graph_request_oldest(graph->graph);
if (ret >= 0)
return reap_filters(0);
if (ret == AVERROR_EOF) {
ret = reap_filters(1);
for (i = 0; i < graph->nb_outputs; i++)
close_output_stream(graph->outputs[i]->ost);
return ret;
}
if (ret != AVERROR(EAGAIN))
return ret;
for (i = 0; i < graph->nb_inputs; i++) {
ifilter = graph->inputs[i];
ist = ifilter->ist;
if (input_files[ist->file_index]->eagain ||
input_files[ist->file_index]->eof_reached)
continue;
nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
if (nb_requests > nb_requests_max) {
nb_requests_max = nb_requests;
*best_ist = ist;
}
}
if (!*best_ist)
for (i = 0; i < graph->nb_outputs; i++)
graph->outputs[i]->ost->unavailable = 1;
return 0;
}
static int transcode_step(void)
{
OutputStream *ost;
InputStream *ist = NULL;
int ret;
ost = choose_output();
if (!ost) {
if (got_eagain()) {
reset_eagain();
av_usleep(10000);
return 0;
}
av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
return AVERROR_EOF;
}
if (ost->filter && !ost->filter->graph->graph) {
if (ifilter_has_all_input_formats(ost->filter->graph)) {
ret = configure_filtergraph(ost->filter->graph);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
return ret;
}
}
}
if (ost->filter && ost->filter->graph->graph) {
if (!ost->initialized) {
char error[1024] = {0};
ret = init_output_stream(ost, error, sizeof(error));
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
ost->file_index, ost->index, error);
exit_program(1);
}
}
if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
return ret;
if (!ist)
return 0;
} else if (ost->filter) {
int i;
for (i = 0; i < ost->filter->graph->nb_inputs; i++) {
InputFilter *ifilter = ost->filter->graph->inputs[i];
if (!ifilter->ist->got_output && !input_files[ifilter->ist->file_index]->eof_reached) {
ist = ifilter->ist;
break;
}
}
if (!ist) {
ost->inputs_done = 1;
return 0;
}
} else {
av_assert0(ost->source_index >= 0);
ist = input_streams[ost->source_index];
}
ret = process_input(ist->file_index);
if (ret == AVERROR(EAGAIN)) {
if (input_files[ist->file_index]->eagain)
ost->unavailable = 1;
return 0;
}
if (ret < 0)
return ret == AVERROR_EOF ? 0 : ret;
return reap_filters(0);
}
static int transcode(void)
{
int ret, i;
AVFormatContext *os;
OutputStream *ost;
InputStream *ist;
int64_t timer_start;
int64_t total_packets_written = 0;
ret = transcode_init();
if (ret < 0)
goto fail;
if (stdin_interaction) {
av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
}
timer_start = av_gettime_relative();
#if HAVE_THREADS
if ((ret = init_input_threads()) < 0)
goto fail;
#endif
while (!received_sigterm) {
int64_t cur_time= av_gettime_relative();
if (stdin_interaction)
if (check_keyboard_interaction(cur_time) < 0)
break;
if (!need_output()) {
av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
break;
}
ret = transcode_step();
if (ret < 0 && ret != AVERROR_EOF) {
av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
break;
}
print_report(0, timer_start, cur_time);
}
#if HAVE_THREADS
free_input_threads();
#endif
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if (!input_files[ist->file_index]->eof_reached) {
process_input_packet(ist, NULL, 0);
}
}
flush_encoders();
term_exit();
for (i = 0; i < nb_output_files; i++) {
os = output_files[i]->ctx;
if (!output_files[i]->header_written) {
av_log(NULL, AV_LOG_ERROR,
"Nothing was written into output file %d (%s), because "
"at least one of its streams received no packets.\n",
i, os->url);
continue;
}
if ((ret = av_write_trailer(os)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s\n", os->url, av_err2str(ret));
if (exit_on_error)
exit_program(1);
}
}
print_report(1, timer_start, av_gettime_relative());
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
if (ost->encoding_needed) {
av_freep(&ost->enc_ctx->stats_in);
}
total_packets_written += ost->packets_written;
if (!ost->packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM)) {
av_log(NULL, AV_LOG_FATAL, "Empty output on stream %d.\n", i);
exit_program(1);
}
}
if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
av_log(NULL, AV_LOG_FATAL, "Empty output\n");
exit_program(1);
}
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if (ist->decoding_needed) {
avcodec_close(ist->dec_ctx);
if (ist->hwaccel_uninit)
ist->hwaccel_uninit(ist->dec_ctx);
}
}
hw_device_free_all();
ret = 0;
fail:
#if HAVE_THREADS
free_input_threads();
#endif
if (output_streams) {
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
if (ost) {
if (ost->logfile) {
if (fclose(ost->logfile))
av_log(NULL, AV_LOG_ERROR,
"Error closing logfile, loss of information possible: %s\n",
av_err2str(AVERROR(errno)));
ost->logfile = NULL;
}
av_freep(&ost->forced_kf_pts);
av_freep(&ost->apad);
av_freep(&ost->disposition);
av_dict_free(&ost->encoder_opts);
av_dict_free(&ost->sws_dict);
av_dict_free(&ost->swr_opts);
av_dict_free(&ost->resample_opts);
}
}
}
return ret;
}
static BenchmarkTimeStamps get_benchmark_time_stamps(void)
{
BenchmarkTimeStamps time_stamps = { av_gettime_relative() };
#if HAVE_GETRUSAGE
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
time_stamps.user_usec =
(rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
time_stamps.sys_usec =
(rusage.ru_stime.tv_sec * 1000000LL) + rusage.ru_stime.tv_usec;
#elif HAVE_GETPROCESSTIMES
HANDLE proc;
FILETIME c, e, k, u;
proc = GetCurrentProcess();
GetProcessTimes(proc, &c, &e, &k, &u);
time_stamps.user_usec =
((int64_t)u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
time_stamps.sys_usec =
((int64_t)k.dwHighDateTime << 32 | k.dwLowDateTime) / 10;
#else
time_stamps.user_usec = time_stamps.sys_usec = 0;
#endif
return time_stamps;
}
static int64_t getmaxrss(void)
{
#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
return (int64_t)rusage.ru_maxrss * 1024;
#elif HAVE_GETPROCESSMEMORYINFO
HANDLE proc;
PROCESS_MEMORY_COUNTERS memcounters;
proc = GetCurrentProcess();
memcounters.cb = sizeof(memcounters);
GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
return memcounters.PeakPagefileUsage;
#else
return 0;
#endif
}
static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
{
}
int main(int argc, char **argv)
{
int i, ret;
BenchmarkTimeStamps ti;
init_dynload();
register_exit(ffmpeg_cleanup);
setvbuf(stderr,NULL,_IONBF,0);
av_log_set_flags(AV_LOG_SKIP_REPEATED);
parse_loglevel(argc, argv, options);
if(argc>1 && !strcmp(argv[1], "-d")){
run_as_daemon=1;
av_log_set_callback(log_callback_null);
argc--;
argv++;
}
#if CONFIG_AVDEVICE
avdevice_register_all();
#endif
avformat_network_init();
show_banner(argc, argv, options);
ret = ffmpeg_parse_options(argc, argv);
if (ret < 0)
exit_program(1);
if (nb_output_files <= 0 && nb_input_files == 0) {
show_usage();
av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
exit_program(1);
}
if (nb_output_files <= 0) {
av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
exit_program(1);
}
for (i = 0; i < nb_output_files; i++) {
if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
want_sdp = 0;
}
current_time = ti = get_benchmark_time_stamps();
if (transcode() < 0)
exit_program(1);
if (do_benchmark) {
int64_t utime, stime, rtime;
current_time = get_benchmark_time_stamps();
utime = current_time.user_usec - ti.user_usec;
stime = current_time.sys_usec - ti.sys_usec;
rtime = current_time.real_usec - ti.real_usec;
av_log(NULL, AV_LOG_INFO,
"bench: utime=%0.3fs stime=%0.3fs rtime=%0.3fs\n",
utime / 1000000.0, stime / 1000000.0, rtime / 1000000.0);
}
av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
decode_error_stat[0], decode_error_stat[1]);
if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
exit_program(69);
exit_program(received_nb_signals ? 255 : main_return_code);
return main_return_code;
}