This source file includes following definitions.
- uninit_options
- init_options
- strip_specifiers
- opt_sameq
- opt_video_channel
- opt_video_standard
- opt_audio_codec
- opt_video_codec
- opt_subtitle_codec
- opt_data_codec
- opt_map
- opt_attach
- opt_map_channel
- opt_sdp_file
- parse_meta_type
- copy_metadata
- opt_recording_timestamp
- find_codec_or_die
- choose_decoder
- add_input_streams
- assert_file_overwrite
- dump_attachment
- open_input_file
- get_line
- get_preset_file_2
- choose_encoder
- new_output_stream
- parse_matrix_coeffs
- read_file
- get_ost_filters
- check_streamcopy_filters
- new_video_stream
- new_audio_stream
- new_data_stream
- new_attachment_stream
- new_subtitle_stream
- opt_streamid
- copy_chapters
- read_ffserver_streams
- init_output_filter
- configure_complex_filters
- open_output_file
- opt_target
- opt_vstats_file
- opt_vstats
- opt_video_frames
- opt_audio_frames
- opt_data_frames
- opt_default_new
- opt_preset
- opt_old2new
- opt_bitrate
- opt_qscale
- opt_profile
- opt_video_filters
- opt_audio_filters
- opt_vsync
- opt_timecode
- opt_channel_layout
- opt_audio_qscale
- opt_filter_complex
- opt_filter_complex_script
- show_help_default
- show_usage
- open_files
- ffmpeg_parse_options
- opt_progress
#include <stdint.h>
#include "ffmpeg.h"
#include "cmdutils.h"
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
{\
int i, ret;\
for (i = 0; i < o->nb_ ## name; i++) {\
char *spec = o->name[i].specifier;\
if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
outvar = o->name[i].u.type;\
else if (ret < 0)\
exit_program(1);\
}\
}
#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
{\
int i;\
for (i = 0; i < o->nb_ ## name; i++) {\
char *spec = o->name[i].specifier;\
if (!strcmp(spec, mediatype))\
outvar = o->name[i].u.type;\
}\
}
const HWAccel hwaccels[] = {
#if HAVE_VDPAU_X11
{ "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
#endif
#if HAVE_DXVA2_LIB
{ "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
#endif
#if CONFIG_VDA
{ "vda", vda_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
#endif
{ 0 },
};
char *vstats_filename;
char *sdp_filename;
float audio_drift_threshold = 0.1;
float dts_delta_threshold = 10;
float dts_error_threshold = 3600*30;
int audio_volume = 256;
int audio_sync_method = 0;
int video_sync_method = VSYNC_AUTO;
float frame_drop_threshold = 0;
int do_deinterlace = 0;
int do_benchmark = 0;
int do_benchmark_all = 0;
int do_hex_dump = 0;
int do_pkt_dump = 0;
int copy_ts = 0;
int start_at_zero = 0;
int copy_tb = -1;
int debug_ts = 0;
int exit_on_error = 0;
int print_stats = -1;
int qp_hist = 0;
int stdin_interaction = 1;
int frame_bits_per_raw_sample = 0;
float max_error_rate = 2.0/3;
static int intra_only = 0;
static int file_overwrite = 0;
static int no_file_overwrite = 0;
static int do_psnr = 0;
static int input_sync;
static int override_ffserver = 0;
static void uninit_options(OptionsContext *o)
{
const OptionDef *po = options;
int i;
while (po->name) {
void *dst = (uint8_t*)o + po->u.off;
if (po->flags & OPT_SPEC) {
SpecifierOpt **so = dst;
int i, *count = (int*)(so + 1);
for (i = 0; i < *count; i++) {
av_freep(&(*so)[i].specifier);
if (po->flags & OPT_STRING)
av_freep(&(*so)[i].u.str);
}
av_freep(so);
*count = 0;
} else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
av_freep(dst);
po++;
}
for (i = 0; i < o->nb_stream_maps; i++)
av_freep(&o->stream_maps[i].linklabel);
av_freep(&o->stream_maps);
av_freep(&o->audio_channel_maps);
av_freep(&o->streamid_map);
av_freep(&o->attachments);
}
static void init_options(OptionsContext *o)
{
memset(o, 0, sizeof(*o));
o->stop_time = INT64_MAX;
o->mux_max_delay = 0.7;
o->start_time = AV_NOPTS_VALUE;
o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX;
o->chapters_input_file = INT_MAX;
o->accurate_seek = 1;
}
static AVDictionary *strip_specifiers(AVDictionary *dict)
{
AVDictionaryEntry *e = NULL;
AVDictionary *ret = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
char *p = strchr(e->key, ':');
if (p)
*p = 0;
av_dict_set(&ret, e->key, e->value, 0);
if (p)
*p = ':';
}
return ret;
}
static int opt_sameq(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
"If you are looking for an option to preserve the quality (which is not "
"what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
opt, opt);
return AVERROR(EINVAL);
}
static int opt_video_channel(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
return opt_default(optctx, "channel", arg);
}
static int opt_video_standard(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
return opt_default(optctx, "standard", arg);
}
static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:a", arg, options);
}
static int opt_video_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:v", arg, options);
}
static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:s", arg, options);
}
static int opt_data_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:d", arg, options);
}
static int opt_map(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
StreamMap *m = NULL;
int i, negative = 0, file_idx;
int sync_file_idx = -1, sync_stream_idx = 0;
char *p, *sync;
char *map;
if (*arg == '-') {
negative = 1;
arg++;
}
map = av_strdup(arg);
if (!map)
return AVERROR(ENOMEM);
if (sync = strchr(map, ',')) {
*sync = 0;
sync_file_idx = strtol(sync + 1, &sync, 0);
if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
exit_program(1);
}
if (*sync)
sync++;
for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
if (check_stream_specifier(input_files[sync_file_idx]->ctx,
input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
sync_stream_idx = i;
break;
}
if (i == input_files[sync_file_idx]->nb_streams) {
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
"match any streams.\n", arg);
exit_program(1);
}
}
if (map[0] == '[') {
const char *c = map + 1;
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
m = &o->stream_maps[o->nb_stream_maps - 1];
m->linklabel = av_get_token(&c, "]");
if (!m->linklabel) {
av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
exit_program(1);
}
} else {
file_idx = strtol(map, &p, 0);
if (file_idx >= nb_input_files || file_idx < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
exit_program(1);
}
if (negative)
for (i = 0; i < o->nb_stream_maps; i++) {
m = &o->stream_maps[i];
if (file_idx == m->file_index &&
check_stream_specifier(input_files[m->file_index]->ctx,
input_files[m->file_index]->ctx->streams[m->stream_index],
*p == ':' ? p + 1 : p) > 0)
m->disabled = 1;
}
else
for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
*p == ':' ? p + 1 : p) <= 0)
continue;
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
m = &o->stream_maps[o->nb_stream_maps - 1];
m->file_index = file_idx;
m->stream_index = i;
if (sync_file_idx >= 0) {
m->sync_file_index = sync_file_idx;
m->sync_stream_index = sync_stream_idx;
} else {
m->sync_file_index = file_idx;
m->sync_stream_index = i;
}
}
}
if (!m) {
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
exit_program(1);
}
av_freep(&map);
return 0;
}
static int opt_attach(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
GROW_ARRAY(o->attachments, o->nb_attachments);
o->attachments[o->nb_attachments - 1] = arg;
return 0;
}
static int opt_map_channel(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int n;
AVStream *st;
AudioChannelMap *m;
GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
if ((n == 1 || n == 3) && m->channel_idx == -1) {
m->file_idx = m->stream_idx = -1;
if (n == 1)
m->ofile_idx = m->ostream_idx = -1;
return 0;
}
n = sscanf(arg, "%d.%d.%d:%d.%d",
&m->file_idx, &m->stream_idx, &m->channel_idx,
&m->ofile_idx, &m->ostream_idx);
if (n != 3 && n != 5) {
av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
"[file.stream.channel|-1][:syncfile:syncstream]\n");
exit_program(1);
}
if (n != 5)
m->ofile_idx = m->ostream_idx = -1;
if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
m->file_idx);
exit_program(1);
}
if (m->stream_idx < 0 ||
m->stream_idx >= input_files[m->file_idx]->nb_streams) {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
m->file_idx, m->stream_idx);
exit_program(1);
}
st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
m->file_idx, m->stream_idx);
exit_program(1);
}
if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
m->file_idx, m->stream_idx, m->channel_idx);
exit_program(1);
}
return 0;
}
static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
{
av_free(sdp_filename);
sdp_filename = av_strdup(arg);
return 0;
}
static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
{
if (*arg) {
*type = *arg;
switch (*arg) {
case 'g':
break;
case 's':
if (*(++arg) && *arg != ':') {
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
exit_program(1);
}
*stream_spec = *arg == ':' ? arg + 1 : "";
break;
case 'c':
case 'p':
if (*(++arg) == ':')
*index = strtol(++arg, NULL, 0);
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
exit_program(1);
}
} else
*type = 'g';
}
static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
{
AVDictionary **meta_in = NULL;
AVDictionary **meta_out = NULL;
int i, ret = 0;
char type_in, type_out;
const char *istream_spec = NULL, *ostream_spec = NULL;
int idx_in = 0, idx_out = 0;
parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
if (!ic) {
if (type_out == 'g' || !*outspec)
o->metadata_global_manual = 1;
if (type_out == 's' || !*outspec)
o->metadata_streams_manual = 1;
if (type_out == 'c' || !*outspec)
o->metadata_chapters_manual = 1;
return 0;
}
if (type_in == 'g' || type_out == 'g')
o->metadata_global_manual = 1;
if (type_in == 's' || type_out == 's')
o->metadata_streams_manual = 1;
if (type_in == 'c' || type_out == 'c')
o->metadata_chapters_manual = 1;
if (!ic)
return 0;
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
if ((index) < 0 || (index) >= (nb_elems)) {\
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
(desc), (index));\
exit_program(1);\
}
#define SET_DICT(type, meta, context, index)\
switch (type) {\
case 'g':\
meta = &context->metadata;\
break;\
case 'c':\
METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
meta = &context->chapters[index]->metadata;\
break;\
case 'p':\
METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
meta = &context->programs[index]->metadata;\
break;\
case 's':\
break; \
default: av_assert0(0);\
}\
SET_DICT(type_in, meta_in, ic, idx_in);
SET_DICT(type_out, meta_out, oc, idx_out);
if (type_in == 's') {
for (i = 0; i < ic->nb_streams; i++) {
if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
meta_in = &ic->streams[i]->metadata;
break;
} else if (ret < 0)
exit_program(1);
}
if (!meta_in) {
av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
exit_program(1);
}
}
if (type_out == 's') {
for (i = 0; i < oc->nb_streams; i++) {
if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
meta_out = &oc->streams[i]->metadata;
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
} else if (ret < 0)
exit_program(1);
}
} else
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
return 0;
}
static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char buf[128];
int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
struct tm time = *gmtime((time_t*)&recording_timestamp);
if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
return -1;
parse_option(o, "metadata", buf, options);
av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
"tag instead.\n", opt);
return 0;
}
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{
const AVCodecDescriptor *desc;
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
codec = encoder ? avcodec_find_encoder(desc->id) :
avcodec_find_decoder(desc->id);
if (codec)
av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
codec_string, codec->name, desc->name);
}
if (!codec) {
av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
exit_program(1);
}
if (codec->type != type) {
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1);
}
return codec;
}
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (codec_name) {
AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
st->codec->codec_id = codec->id;
return codec;
} else
return avcodec_find_decoder(st->codec->codec_id);
}
static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
{
int i, ret;
for (i = 0; i < ic->nb_streams; i++) {
AVStream *st = ic->streams[i];
AVCodecContext *dec = st->codec;
InputStream *ist = av_mallocz(sizeof(*ist));
char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
char *codec_tag = NULL;
char *next;
char *discard_str = NULL;
const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0);
if (!ist)
exit_program(1);
GROW_ARRAY(input_streams, nb_input_streams);
input_streams[nb_input_streams - 1] = ist;
ist->st = st;
ist->file_index = nb_input_files;
ist->discard = 1;
st->discard = AVDISCARD_ALL;
ist->ts_scale = 1.0;
MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
st->codec->codec_tag = tag;
}
ist->dec = choose_decoder(o, ic, st);
ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
ist->reinit_filters = -1;
MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
ist->user_set_discard = AVDISCARD_NONE;
if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
discard_str);
exit_program(1);
}
ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
ist->dec_ctx = avcodec_alloc_context3(ist->dec);
if (!ist->dec_ctx) {
av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
exit_program(1);
}
ret = avcodec_copy_context(ist->dec_ctx, dec);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
exit_program(1);
}
switch (dec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
if(!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
if (av_codec_get_lowres(dec)) {
dec->flags |= CODEC_FLAG_EMU_EDGE;
}
ist->resample_height = ist->dec_ctx->height;
ist->resample_width = ist->dec_ctx->width;
ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
if (framerate && av_parse_video_rate(&ist->framerate,
framerate) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
framerate);
exit_program(1);
}
ist->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
if (hwaccel) {
if (!strcmp(hwaccel, "none"))
ist->hwaccel_id = HWACCEL_NONE;
else if (!strcmp(hwaccel, "auto"))
ist->hwaccel_id = HWACCEL_AUTO;
else {
int i;
for (i = 0; hwaccels[i].name; i++) {
if (!strcmp(hwaccels[i].name, hwaccel)) {
ist->hwaccel_id = hwaccels[i].id;
break;
}
}
if (!ist->hwaccel_id) {
av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
hwaccel);
av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
for (i = 0; hwaccels[i].name; i++)
av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
av_log(NULL, AV_LOG_FATAL, "\n");
exit_program(1);
}
}
}
MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
if (hwaccel_device) {
ist->hwaccel_device = av_strdup(hwaccel_device);
if (!ist->hwaccel_device)
exit_program(1);
}
ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
break;
case AVMEDIA_TYPE_AUDIO:
ist->guess_layout_max = INT_MAX;
MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
guess_input_channel_layout(ist);
ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
ist->resample_sample_rate = ist->dec_ctx->sample_rate;
ist->resample_channels = ist->dec_ctx->channels;
ist->resample_channel_layout = ist->dec_ctx->channel_layout;
break;
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE: {
char *canvas_size = NULL;
if(!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
if (canvas_size &&
av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
exit_program(1);
}
break;
}
case AVMEDIA_TYPE_ATTACHMENT:
case AVMEDIA_TYPE_UNKNOWN:
break;
default:
abort();
}
}
}
static void assert_file_overwrite(const char *filename)
{
if (file_overwrite && no_file_overwrite) {
fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
exit_program(1);
}
if (!file_overwrite) {
const char *proto_name = avio_find_protocol_name(filename);
if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
if (stdin_interaction && !no_file_overwrite) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
term_exit();
signal(SIGINT, SIG_DFL);
if (!read_yesno()) {
av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
exit_program(1);
}
term_init();
}
else {
av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
exit_program(1);
}
}
}
}
static void dump_attachment(AVStream *st, const char *filename)
{
int ret;
AVIOContext *out = NULL;
AVDictionaryEntry *e;
if (!st->codec->extradata_size) {
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
nb_input_files - 1, st->index);
return;
}
if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
filename = e->value;
if (!*filename) {
av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
"in stream #%d:%d.\n", nb_input_files - 1, st->index);
exit_program(1);
}
assert_file_overwrite(filename);
if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
filename);
exit_program(1);
}
avio_write(out, st->codec->extradata, st->codec->extradata_size);
avio_flush(out);
avio_close(out);
}
static int open_input_file(OptionsContext *o, const char *filename)
{
InputFile *f;
AVFormatContext *ic;
AVInputFormat *file_iformat = NULL;
int err, i, ret;
int64_t timestamp;
AVDictionary **opts;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
int orig_nb_streams;
char * video_codec_name = NULL;
char * audio_codec_name = NULL;
char *subtitle_codec_name = NULL;
char * data_codec_name = NULL;
int scan_all_pmts_set = 0;
if (o->format) {
if (!(file_iformat = av_find_input_format(o->format))) {
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
exit_program(1);
}
}
if (!strcmp(filename, "-"))
filename = "pipe:";
stdin_interaction &= strncmp(filename, "pipe:", 5) &&
strcmp(filename, "/dev/stdin");
ic = avformat_alloc_context();
if (!ic) {
print_error(filename, AVERROR(ENOMEM));
exit_program(1);
}
if (o->nb_audio_sample_rate) {
av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
}
if (o->nb_audio_channels) {
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
}
}
if (o->nb_frame_rates) {
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set(&o->g->format_opts, "framerate",
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
}
}
if (o->nb_frame_sizes) {
av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
}
if (o->nb_frame_pix_fmts)
av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
ic->video_codec_id = video_codec_name ?
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
ic->audio_codec_id = audio_codec_name ?
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
ic->subtitle_codec_id= subtitle_codec_name ?
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
ic->data_codec_id = data_codec_name ?
find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
if (video_codec_name)
av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
if (audio_codec_name)
av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
if (subtitle_codec_name)
av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
if (data_codec_name)
av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
ic->flags |= AVFMT_FLAG_NONBLOCK;
ic->interrupt_callback = int_cb;
if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
scan_all_pmts_set = 1;
}
err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
if (err < 0) {
print_error(filename, err);
exit_program(1);
}
if (scan_all_pmts_set)
av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
remove_avoptions(&o->g->format_opts, o->g->codec_opts);
assert_avoptions(o->g->format_opts);
for (i = 0; i < ic->nb_streams; i++)
choose_decoder(o, ic, ic->streams[i]);
opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
orig_nb_streams = ic->nb_streams;
ret = avformat_find_stream_info(ic, opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
if (ic->nb_streams == 0) {
avformat_close_input(&ic);
exit_program(1);
}
}
timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
if (ic->start_time != AV_NOPTS_VALUE)
timestamp += ic->start_time;
if (o->start_time != AV_NOPTS_VALUE) {
ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0);
if (ret < 0) {
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
filename, (double)timestamp / AV_TIME_BASE);
}
}
add_input_streams(o, ic);
av_dump_format(ic, nb_input_files, filename, 0);
GROW_ARRAY(input_files, nb_input_files);
f = av_mallocz(sizeof(*f));
if (!f)
exit_program(1);
input_files[nb_input_files - 1] = f;
f->ctx = ic;
f->ist_index = nb_input_streams - ic->nb_streams;
f->start_time = o->start_time;
f->recording_time = o->recording_time;
f->input_ts_offset = o->input_ts_offset;
f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
f->nb_streams = ic->nb_streams;
f->rate_emu = o->rate_emu;
f->accurate_seek = o->accurate_seek;
#if HAVE_PTHREADS
f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
#endif
unused_opts = strip_specifiers(o->g->codec_opts);
for (i = f->ist_index; i < nb_input_streams; i++) {
e = NULL;
while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
AV_DICT_IGNORE_SUFFIX)))
av_dict_set(&unused_opts, e->key, NULL, 0);
}
e = NULL;
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
const AVClass *class = avcodec_get_class();
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
const AVClass *fclass = avformat_get_class();
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
if (!option || foption)
continue;
if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) is not a decoding option.\n", e->key,
option->help ? option->help : "", nb_input_files - 1,
filename);
exit_program(1);
}
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) has not been used for any stream. The most "
"likely reason is either wrong type (e.g. a video option with "
"no video streams) or that it is a private option of some decoder "
"which was not actually used for any stream.\n", e->key,
option->help ? option->help : "", nb_input_files - 1, filename);
}
av_dict_free(&unused_opts);
for (i = 0; i < o->nb_dump_attachment; i++) {
int j;
for (j = 0; j < ic->nb_streams; j++) {
AVStream *st = ic->streams[j];
if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
dump_attachment(st, o->dump_attachment[i].u.str);
}
}
for (i = 0; i < orig_nb_streams; i++)
av_dict_free(&opts[i]);
av_freep(&opts);
return 0;
}
static uint8_t *get_line(AVIOContext *s)
{
AVIOContext *line;
uint8_t *buf;
char c;
if (avio_open_dyn_buf(&line) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
exit_program(1);
}
while ((c = avio_r8(s)) && c != '\n')
avio_w8(line, c);
avio_w8(line, 0);
avio_close_dyn_buf(line, &buf);
return buf;
}
static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
{
int i, ret = -1;
char filename[1000];
const char *base[3] = { getenv("AVCONV_DATADIR"),
getenv("HOME"),
AVCONV_DATADIR,
};
for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
if (!base[i])
continue;
if (codec_name) {
snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
i != 1 ? "" : "/.avconv", codec_name, preset_name);
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
}
if (ret < 0) {
snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
i != 1 ? "" : "/.avconv", preset_name);
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
}
}
return ret;
}
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
NULL, ost->st->codec->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
ost->st->codec->codec_id = ost->enc->id;
}
}
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
{
OutputStream *ost;
AVStream *st = avformat_new_stream(oc, NULL);
int idx = oc->nb_streams - 1, ret = 0;
char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
int i;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
exit_program(1);
}
if (oc->nb_streams - 1 < o->nb_streamid_map)
st->id = o->streamid_map[oc->nb_streams - 1];
GROW_ARRAY(output_streams, nb_output_streams);
if (!(ost = av_mallocz(sizeof(*ost))))
exit_program(1);
output_streams[nb_output_streams - 1] = ost;
ost->file_index = nb_output_files - 1;
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
choose_encoder(o, oc, ost);
ost->enc_ctx = avcodec_alloc_context3(ost->enc);
if (!ost->enc_ctx) {
av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
exit_program(1);
}
ost->enc_ctx->codec_type = type;
if (ost->enc) {
AVIOContext *s = NULL;
char *buf = NULL, *arg = NULL, *preset = NULL;
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
do {
buf = get_line(s);
if (!buf[0] || buf[0] == '#') {
av_free(buf);
continue;
}
if (!(arg = strchr(buf, '='))) {
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
exit_program(1);
}
*arg++ = 0;
av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
av_free(buf);
} while (!s->eof_reached);
avio_closep(&s);
}
if (ret) {
av_log(NULL, AV_LOG_FATAL,
"Preset %s specified for stream %d:%d, but could not be opened.\n",
preset, ost->file_index, ost->index);
exit_program(1);
}
} else {
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
}
ost->max_frames = INT64_MAX;
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
for (i = 0; i<o->nb_max_frames; i++) {
char *p = o->max_frames[i].specifier;
if (!*p && type != AVMEDIA_TYPE_VIDEO) {
av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
break;
}
}
ost->copy_prior_start = -1;
MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
while (bsf) {
char *arg = NULL;
if (next = strchr(bsf, ','))
*next++ = 0;
if (arg = strchr(bsf, '='))
*arg++ = 0;
if (!(bsfc = av_bitstream_filter_init(bsf))) {
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
exit_program(1);
}
if (bsfc_prev)
bsfc_prev->next = bsfc;
else
ost->bitstream_filters = bsfc;
av_dict_set(&ost->bsf_args, bsfc->filter->name, arg, 0);
bsfc_prev = bsfc;
bsf = next;
}
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
ost->enc_ctx->codec_tag = tag;
}
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
if (qscale >= 0) {
ost->enc_ctx->flags |= CODEC_FLAG_QSCALE;
ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
}
MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
ost->disposition = av_strdup(ost->disposition);
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags);
av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
ost->source_index = source_index;
if (source_index >= 0) {
ost->sync_ist = input_streams[source_index];
input_streams[source_index]->discard = 0;
input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
}
ost->last_mux_dts = AV_NOPTS_VALUE;
return ost;
}
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
{
int i;
const char *p = str;
for (i = 0;; i++) {
dest[i] = atoi(p);
if (i == 63)
break;
p = strchr(p, ',');
if (!p) {
av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
exit_program(1);
}
p++;
}
}
static uint8_t *read_file(const char *filename)
{
AVIOContext *pb = NULL;
AVIOContext *dyn_buf = NULL;
int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
uint8_t buf[1024], *str;
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
return NULL;
}
ret = avio_open_dyn_buf(&dyn_buf);
if (ret < 0) {
avio_closep(&pb);
return NULL;
}
while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
avio_write(dyn_buf, buf, ret);
avio_w8(dyn_buf, 0);
avio_closep(&pb);
ret = avio_close_dyn_buf(dyn_buf, &str);
if (ret < 0)
return NULL;
return str;
}
static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
OutputStream *ost)
{
AVStream *st = ost->st;
if (ost->filters_script && ost->filters) {
av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
"output stream #%d:%d.\n", nb_output_files, st->index);
exit_program(1);
}
if (ost->filters_script)
return read_file(ost->filters_script);
else if (ost->filters)
return av_strdup(ost->filters);
return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
"null" : "anull");
}
static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
const OutputStream *ost, enum AVMediaType type)
{
if (ost->filters_script || ost->filters) {
av_log(NULL, AV_LOG_ERROR,
"%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
"Filtering and streamcopy cannot be used together.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script,
av_get_media_type_string(type), ost->file_index, ost->index);
exit_program(1);
}
}
static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
AVStream *st;
OutputStream *ost;
AVCodecContext *video_enc;
char *frame_rate = NULL, *frame_aspect_ratio = NULL;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
st = ost->st;
video_enc = ost->enc_ctx;
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
exit_program(1);
}
if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
if (frame_aspect_ratio) {
AVRational q;
if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
q.num <= 0 || q.den <= 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
exit_program(1);
}
ost->frame_aspect_ratio = q;
}
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (!ost->stream_copy) {
const char *p = NULL;
char *frame_size = NULL;
char *frame_pix_fmt = NULL;
char *intra_matrix = NULL, *inter_matrix = NULL;
char *chroma_intra_matrix = NULL;
int do_pass = 0;
int i;
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
exit_program(1);
}
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
if (frame_pix_fmt && *frame_pix_fmt == '+') {
ost->keep_pix_fmt = 1;
if (!*++frame_pix_fmt)
frame_pix_fmt = NULL;
}
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
exit_program(1);
}
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
if (intra_only)
video_enc->gop_size = 0;
MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
if (intra_matrix) {
if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
exit_program(1);
}
parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
}
MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
if (chroma_intra_matrix) {
uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
if (!p) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
exit_program(1);
}
av_codec_set_chroma_intra_matrix(video_enc, p);
parse_matrix_coeffs(p, chroma_intra_matrix);
}
MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
if (inter_matrix) {
if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
exit_program(1);
}
parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
}
MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
for (i = 0; p; i++) {
int start, end, q;
int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
if (e != 3) {
av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
exit_program(1);
}
video_enc->rc_override =
av_realloc_array(video_enc->rc_override,
i + 1, sizeof(RcOverride));
if (!video_enc->rc_override) {
av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
exit_program(1);
}
video_enc->rc_override[i].start_frame = start;
video_enc->rc_override[i].end_frame = end;
if (q > 0) {
video_enc->rc_override[i].qscale = q;
video_enc->rc_override[i].quality_factor = 1.0;
}
else {
video_enc->rc_override[i].qscale = 0;
video_enc->rc_override[i].quality_factor = -q/100.0;
}
p = strchr(p, '/');
if (p) p++;
}
video_enc->rc_override_count = i;
if (do_psnr)
video_enc->flags|= CODEC_FLAG_PSNR;
MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
if (do_pass) {
if (do_pass & 1) {
video_enc->flags |= CODEC_FLAG_PASS1;
av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
}
if (do_pass & 2) {
video_enc->flags |= CODEC_FLAG_PASS2;
av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
}
}
MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
if (ost->logfile_prefix &&
!(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
exit_program(1);
MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
if (ost->forced_keyframes)
ost->forced_keyframes = av_strdup(ost->forced_keyframes);
MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
ost->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
} else {
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
}
if (ost->stream_copy)
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
return ost;
}
static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
int n;
AVStream *st;
OutputStream *ost;
AVCodecContext *audio_enc;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
st = ost->st;
audio_enc = ost->enc_ctx;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (!ost->stream_copy) {
char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
if (sample_fmt &&
(audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
exit_program(1);
}
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
ost->apad = av_strdup(ost->apad);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
for (n = 0; n < o->nb_audio_channel_maps; n++) {
AudioChannelMap *map = &o->audio_channel_maps[n];
if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
(map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
InputStream *ist;
if (map->channel_idx == -1) {
ist = NULL;
} else if (ost->source_index < 0) {
av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
ost->file_index, ost->st->index);
continue;
} else {
ist = input_streams[ost->source_index];
}
if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
if (av_reallocp_array(&ost->audio_channels_map,
ost->audio_channels_mapped + 1,
sizeof(*ost->audio_channels_map)
) < 0 )
exit_program(1);
ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
}
}
}
}
if (ost->stream_copy)
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
return ost;
}
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
if (!ost->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1);
}
return ost;
}
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
ost->stream_copy = 1;
ost->finished = 1;
return ost;
}
static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
AVStream *st;
OutputStream *ost;
AVCodecContext *subtitle_enc;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
st = ost->st;
subtitle_enc = ost->enc_ctx;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
if (!ost->stream_copy) {
char *frame_size = NULL;
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
exit_program(1);
}
}
return ost;
}
static int opt_streamid(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int idx;
char *p;
char idx_str[16];
av_strlcpy(idx_str, arg, sizeof(idx_str));
p = strchr(idx_str, ':');
if (!p) {
av_log(NULL, AV_LOG_FATAL,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
exit_program(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
}
static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
{
AVFormatContext *is = ifile->ctx;
AVFormatContext *os = ofile->ctx;
AVChapter **tmp;
int i;
tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
if (!tmp)
return AVERROR(ENOMEM);
os->chapters = tmp;
for (i = 0; i < is->nb_chapters; i++) {
AVChapter *in_ch = is->chapters[i], *out_ch;
int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
AV_TIME_BASE_Q, in_ch->time_base);
int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
if (in_ch->end < ts_off)
continue;
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
break;
out_ch = av_mallocz(sizeof(AVChapter));
if (!out_ch)
return AVERROR(ENOMEM);
out_ch->id = in_ch->id;
out_ch->time_base = in_ch->time_base;
out_ch->start = FFMAX(0, in_ch->start - ts_off);
out_ch->end = FFMIN(rt, in_ch->end - ts_off);
if (copy_metadata)
av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
os->chapters[os->nb_chapters++] = out_ch;
}
return 0;
}
static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
{
int i, err;
AVFormatContext *ic = avformat_alloc_context();
ic->interrupt_callback = int_cb;
err = avformat_open_input(&ic, filename, NULL, NULL);
if (err < 0)
return err;
for(i=0;i<ic->nb_streams;i++) {
AVStream *st;
OutputStream *ost;
AVCodec *codec;
const char *enc_config;
codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
if (!codec) {
av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codec->codec_id);
return AVERROR(EINVAL);
}
if (codec->type == AVMEDIA_TYPE_AUDIO)
opt_audio_codec(o, "c:a", codec->name);
else if (codec->type == AVMEDIA_TYPE_VIDEO)
opt_video_codec(o, "c:v", codec->name);
ost = new_output_stream(o, s, codec->type, -1);
st = ost->st;
avcodec_get_context_defaults3(st->codec, codec);
enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
if (enc_config) {
AVDictionary *opts = NULL;
av_dict_parse_string(&opts, enc_config, "=", ",", 0);
av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
av_dict_free(&opts);
}
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt);
avcodec_copy_context(ost->enc_ctx, st->codec);
if (enc_config)
av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
}
avformat_close_input(&ic);
return err;
}
static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
AVFormatContext *oc)
{
OutputStream *ost;
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
ofilter->out_tmp->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
default:
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
"currently.\n");
exit_program(1);
}
ost->source_index = -1;
ost->filter = ofilter;
ofilter->ost = ost;
if (ost->stream_copy) {
av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
"which is fed from a complex filtergraph. Filtering and streamcopy "
"cannot be used together.\n", ost->file_index, ost->index);
exit_program(1);
}
if (ost->avfilter && (ost->filters || ost->filters_script)) {
const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
av_log(NULL, AV_LOG_ERROR,
"%s '%s' was specified through the %s option "
"for output stream %d:%d, which is fed from a complex filtergraph.\n"
"%s and -filter_complex cannot be used together for the same stream.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script,
opt, ost->file_index, ost->index, opt);
exit_program(1);
}
if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
exit_program(1);
}
avfilter_inout_free(&ofilter->out_tmp);
}
static int configure_complex_filters(void)
{
int i, ret = 0;
for (i = 0; i < nb_filtergraphs; i++)
if (!filtergraphs[i]->graph &&
(ret = configure_filtergraph(filtergraphs[i])) < 0)
return ret;
return 0;
}
static int open_output_file(OptionsContext *o, const char *filename)
{
AVFormatContext *oc;
int i, j, err;
AVOutputFormat *file_oformat;
OutputFile *of;
OutputStream *ost;
InputStream *ist;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
if (configure_complex_filters() < 0) {
av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
exit_program(1);
}
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
o->stop_time = INT64_MAX;
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
}
if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
if (o->stop_time <= start_time) {
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
exit_program(1);
} else {
o->recording_time = o->stop_time - start_time;
}
}
GROW_ARRAY(output_files, nb_output_files);
of = av_mallocz(sizeof(*of));
if (!of)
exit_program(1);
output_files[nb_output_files - 1] = of;
of->ost_index = nb_output_streams;
of->recording_time = o->recording_time;
of->start_time = o->start_time;
of->limit_filesize = o->limit_filesize;
of->shortest = o->shortest;
av_dict_copy(&of->opts, o->g->format_opts, 0);
if (!strcmp(filename, "-"))
filename = "pipe:";
err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
if (!oc) {
print_error(filename, err);
exit_program(1);
}
of->ctx = oc;
if (o->recording_time != INT64_MAX)
oc->duration = o->recording_time;
file_oformat= oc->oformat;
oc->interrupt_callback = int_cb;
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->out_tmp || ofilter->out_tmp->name)
continue;
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
ofilter->out_tmp->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
}
init_output_filter(ofilter, o, oc);
}
}
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = parse_option(o, "metadata", "creation_time=now", options);
if (err < 0) {
print_error(filename, err);
exit_program(1);
}
}
if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
av_strstart(filename, "http:", NULL)) {
int j;
int err = read_ffserver_streams(o, oc, filename);
if (err < 0) {
print_error(filename, err);
exit_program(1);
}
for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
ost = output_streams[j];
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if(ist->st->codec->codec_type == ost->st->codec->codec_type){
ost->sync_ist= ist;
ost->source_index= i;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
ist->discard = 0;
ist->st->discard = ist->user_set_discard;
break;
}
}
if(!ost->sync_ist){
av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
exit_program(1);
}
}
} else if (!o->nb_stream_maps) {
char *subtitle_codec_name = NULL;
if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
int area = 0, idx = -1;
int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
for (i = 0; i < nb_input_streams; i++) {
int new_area;
ist = input_streams[i];
new_area = ist->st->codec->width * ist->st->codec->height;
if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
new_area = 1;
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
new_area > area) {
if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
continue;
area = new_area;
idx = i;
}
}
if (idx >= 0)
new_video_stream(o, oc, idx);
}
if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
int channels = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
ist->st->codec->channels > channels) {
channels = ist->st->codec->channels;
idx = i;
}
}
if (idx >= 0)
new_audio_stream(o, oc, idx);
}
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
for (i = 0; i < nb_input_streams; i++)
if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
AVCodecDescriptor const *input_descriptor =
avcodec_descriptor_get(input_streams[i]->st->codec->codec_id);
AVCodecDescriptor const *output_descriptor = NULL;
AVCodec const *output_codec =
avcodec_find_encoder(oc->oformat->subtitle_codec);
int input_props = 0, output_props = 0;
if (output_codec)
output_descriptor = avcodec_descriptor_get(output_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 (subtitle_codec_name ||
input_props & output_props ||
input_descriptor && output_descriptor &&
(!input_descriptor->props ||
!output_descriptor->props)) {
new_subtitle_stream(o, oc, i);
break;
}
}
}
if (!o->data_disable ) {
enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_DATA
&& input_streams[i]->st->codec->codec_id == codec_id )
new_data_stream(o, oc, i);
}
}
} else {
for (i = 0; i < o->nb_stream_maps; i++) {
StreamMap *map = &o->stream_maps[i];
if (map->disabled)
continue;
if (map->linklabel) {
FilterGraph *fg;
OutputFilter *ofilter = NULL;
int j, k;
for (j = 0; j < nb_filtergraphs; j++) {
fg = filtergraphs[j];
for (k = 0; k < fg->nb_outputs; k++) {
AVFilterInOut *out = fg->outputs[k]->out_tmp;
if (out && !strcmp(out->name, map->linklabel)) {
ofilter = fg->outputs[k];
goto loop_end;
}
}
}
loop_end:
if (!ofilter) {
av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
"in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
exit_program(1);
}
init_output_filter(ofilter, o, oc);
} else {
int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
continue;
if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
continue;
if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
continue;
if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
continue;
switch (ist->st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
default:
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
map->file_index, map->stream_index);
exit_program(1);
}
}
}
}
for (i = 0; i < o->nb_attachments; i++) {
AVIOContext *pb;
uint8_t *attachment;
const char *p;
int64_t len;
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
o->attachments[i]);
exit_program(1);
}
if ((len = avio_size(pb)) <= 0) {
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
o->attachments[i]);
exit_program(1);
}
if (!(attachment = av_malloc(len))) {
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
o->attachments[i]);
exit_program(1);
}
avio_read(pb, attachment, len);
ost = new_attachment_stream(o, oc, -1);
ost->stream_copy = 0;
ost->attachment_filename = o->attachments[i];
ost->finished = 1;
ost->enc_ctx->extradata = attachment;
ost->enc_ctx->extradata_size = len;
p = strrchr(o->attachments[i], '/');
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
avio_closep(&pb);
}
for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) {
AVDictionaryEntry *e;
ost = output_streams[i];
if ((ost->stream_copy || ost->attachment_filename)
&& (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
&& (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
exit_program(1);
}
unused_opts = strip_specifiers(o->g->codec_opts);
for (i = of->ost_index; i < nb_output_streams; i++) {
e = NULL;
while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
AV_DICT_IGNORE_SUFFIX)))
av_dict_set(&unused_opts, e->key, NULL, 0);
}
e = NULL;
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
const AVClass *class = avcodec_get_class();
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
const AVClass *fclass = avformat_get_class();
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
if (!option || foption)
continue;
if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
"output file #%d (%s) is not an encoding option.\n", e->key,
option->help ? option->help : "", nb_output_files - 1,
filename);
exit_program(1);
}
if (!strcmp(e->key, "gop_timecode"))
continue;
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
"output file #%d (%s) has not been used for any stream. The most "
"likely reason is either wrong type (e.g. a video option with "
"no video streams) or that it is a private option of some encoder "
"which was not actually used for any stream.\n", e->key,
option->help ? option->help : "", nb_output_files - 1, filename);
}
av_dict_free(&unused_opts);
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR(EINVAL));
exit_program(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
assert_file_overwrite(filename);
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
&oc->interrupt_callback,
&of->opts)) < 0) {
print_error(filename, err);
exit_program(1);
}
} else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
assert_file_overwrite(filename);
if (o->mux_preload) {
av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
for (i = 0; i < o->nb_metadata_map; i++) {
char *p;
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
if (in_file_index >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
exit_program(1);
}
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
in_file_index >= 0 ?
input_files[in_file_index]->ctx : NULL, o);
}
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
o->chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i]->ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(input_files[o->chapters_input_file], of,
!o->metadata_chapters_manual);
if (!o->metadata_global_manual && nb_input_files){
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if(o->recording_time != INT64_MAX)
av_dict_set(&oc->metadata, "duration", NULL, 0);
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
}
if (!o->metadata_streams_manual)
for (i = of->ost_index; i < nb_output_streams; i++) {
InputStream *ist;
if (output_streams[i]->source_index < 0)
continue;
ist = input_streams[output_streams[i]->source_index];
av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
if (!output_streams[i]->stream_copy)
av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
}
for (i = 0; i < o->nb_metadata; i++) {
AVDictionary **m;
char type, *val;
const char *stream_spec;
int index = 0, j, ret = 0;
val = strchr(o->metadata[i].u.str, '=');
if (!val) {
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
o->metadata[i].u.str);
exit_program(1);
}
*val++ = 0;
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
if (type == 's') {
for (j = 0; j < oc->nb_streams; j++) {
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
} else if (ret < 0)
exit_program(1);
}
}
else {
switch (type) {
case 'g':
m = &oc->metadata;
break;
case 'c':
if (index < 0 || index >= oc->nb_chapters) {
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->chapters[index]->metadata;
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
exit_program(1);
}
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
}
}
return 0;
}
static int opt_target(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
if (!strncmp(arg, "pal-", 4)) {
norm = PAL;
arg += 4;
} else if (!strncmp(arg, "ntsc-", 5)) {
norm = NTSC;
arg += 5;
} else if (!strncmp(arg, "film-", 5)) {
norm = FILM;
arg += 5;
} else {
if (nb_input_files) {
int i, j, fr;
for (j = 0; j < nb_input_files; j++) {
for (i = 0; i < input_files[j]->nb_streams; i++) {
AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
if (c->codec_type != AVMEDIA_TYPE_VIDEO ||
!c->time_base.num)
continue;
fr = c->time_base.den * 1000 / c->time_base.num;
if (fr == 25000) {
norm = PAL;
break;
} else if ((fr == 29970) || (fr == 23976)) {
norm = NTSC;
break;
}
}
if (norm != UNKNOWN)
break;
}
}
if (norm != UNKNOWN)
av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
}
if (norm == UNKNOWN) {
av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
exit_program(1);
}
if (!strcmp(arg, "vcd")) {
opt_video_codec(o, "c:v", "mpeg1video");
opt_audio_codec(o, "c:a", "mp2");
parse_option(o, "f", "vcd", options);
parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
parse_option(o, "r", frame_rates[norm], options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "1150000");
opt_default(NULL, "maxrate", "1150000");
opt_default(NULL, "minrate", "1150000");
opt_default(NULL, "bufsize", "327680");
opt_default(NULL, "b:a", "224000");
parse_option(o, "ar", "44100", options);
parse_option(o, "ac", "2", options);
opt_default(NULL, "packetsize", "2324");
opt_default(NULL, "muxrate", "1411200");
o->mux_preload = (36000 + 3 * 1200) / 90000.0;
} else if (!strcmp(arg, "svcd")) {
opt_video_codec(o, "c:v", "mpeg2video");
opt_audio_codec(o, "c:a", "mp2");
parse_option(o, "f", "svcd", options);
parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "pix_fmt", "yuv420p", options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "2040000");
opt_default(NULL, "maxrate", "2516000");
opt_default(NULL, "minrate", "0");
opt_default(NULL, "bufsize", "1835008");
opt_default(NULL, "scan_offset", "1");
opt_default(NULL, "b:a", "224000");
parse_option(o, "ar", "44100", options);
opt_default(NULL, "packetsize", "2324");
} else if (!strcmp(arg, "dvd")) {
opt_video_codec(o, "c:v", "mpeg2video");
opt_audio_codec(o, "c:a", "ac3");
parse_option(o, "f", "dvd", options);
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "pix_fmt", "yuv420p", options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "6000000");
opt_default(NULL, "maxrate", "9000000");
opt_default(NULL, "minrate", "0");
opt_default(NULL, "bufsize", "1835008");
opt_default(NULL, "packetsize", "2048");
opt_default(NULL, "muxrate", "10080000");
opt_default(NULL, "b:a", "448000");
parse_option(o, "ar", "48000", options);
} else if (!strncmp(arg, "dv", 2)) {
parse_option(o, "f", "dv", options);
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
norm == PAL ? "yuv420p" : "yuv411p", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "ar", "48000", options);
parse_option(o, "ac", "2", options);
} else {
av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
return AVERROR(EINVAL);
}
av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
return 0;
}
static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
{
av_free (vstats_filename);
vstats_filename = av_strdup (arg);
return 0;
}
static int opt_vstats(void *optctx, const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(NULL, opt, filename);
}
static int opt_video_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:v", arg, options);
}
static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:a", arg, options);
}
static int opt_data_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:d", arg, options);
}
static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
{
int ret;
AVDictionary *cbak = codec_opts;
AVDictionary *fbak = format_opts;
codec_opts = NULL;
format_opts = NULL;
ret = opt_default(NULL, opt, arg);
av_dict_copy(&o->g->codec_opts , codec_opts, 0);
av_dict_copy(&o->g->format_opts, format_opts, 0);
av_dict_free(&codec_opts);
av_dict_free(&format_opts);
codec_opts = cbak;
format_opts = fbak;
return ret;
}
static int opt_preset(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
FILE *f=NULL;
char filename[1000], line[1000], tmp_line[1000];
const char *codec_name = NULL;
tmp_line[0] = *opt;
tmp_line[1] = 0;
MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
}else
av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
exit_program(1);
}
while (fgets(line, sizeof(line), f)) {
char *key = tmp_line, *value, *endptr;
if (strcspn(line, "#\n\r") == 0)
continue;
av_strlcpy(tmp_line, line, sizeof(tmp_line));
if (!av_strtok(key, "=", &value) ||
!av_strtok(value, "\r\n", &endptr)) {
av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
exit_program(1);
}
av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
else if (opt_default_new(o, key, value) < 0) {
av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
filename, line, key, value);
exit_program(1);
}
}
fclose(f);
return 0;
}
static int opt_old2new(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char *s = av_asprintf("%s:%c", opt + 1, *opt);
int ret = parse_option(o, s, arg, options);
av_free(s);
return ret;
}
static int opt_bitrate(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
if(!strcmp(opt, "ab")){
av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
return 0;
} else if(!strcmp(opt, "b")){
av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
return 0;
}
av_dict_set(&o->g->codec_opts, opt, arg, 0);
return 0;
}
static int opt_qscale(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char *s;
int ret;
if(!strcmp(opt, "qscale")){
av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
return parse_option(o, "q:v", arg, options);
}
s = av_asprintf("q%s", opt + 6);
ret = parse_option(o, s, arg, options);
av_free(s);
return ret;
}
static int opt_profile(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
if(!strcmp(opt, "profile")){
av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
return 0;
}
av_dict_set(&o->g->codec_opts, opt, arg, 0);
return 0;
}
static int opt_video_filters(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "filter:v", arg, options);
}
static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "filter:a", arg, options);
}
static int opt_vsync(void *optctx, const char *opt, const char *arg)
{
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
if (video_sync_method == VSYNC_AUTO)
video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
return 0;
}
static int opt_timecode(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char *tcr = av_asprintf("timecode=%s", arg);
int ret = parse_option(o, "metadata:g", tcr, options);
if (ret >= 0)
ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
av_free(tcr);
return 0;
}
static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char layout_str[32];
char *stream_str;
char *ac_str;
int ret, channels, ac_str_size;
uint64_t layout;
layout = av_get_channel_layout(arg);
if (!layout) {
av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
return AVERROR(EINVAL);
}
snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
ret = opt_default_new(o, opt, layout_str);
if (ret < 0)
return ret;
channels = av_get_channel_layout_nb_channels(layout);
snprintf(layout_str, sizeof(layout_str), "%d", channels);
stream_str = strchr(opt, ':');
ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
ac_str = av_mallocz(ac_str_size);
if (!ac_str)
return AVERROR(ENOMEM);
av_strlcpy(ac_str, "ac", 3);
if (stream_str)
av_strlcat(ac_str, stream_str, ac_str_size);
ret = parse_option(o, ac_str, layout_str, options);
av_free(ac_str);
return ret;
}
static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "q:a", arg, options);
}
static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
{
GROW_ARRAY(filtergraphs, nb_filtergraphs);
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
return AVERROR(ENOMEM);
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
return AVERROR(ENOMEM);
return 0;
}
static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
{
uint8_t *graph_desc = read_file(arg);
if (!graph_desc)
return AVERROR(EINVAL);
GROW_ARRAY(filtergraphs, nb_filtergraphs);
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
return AVERROR(ENOMEM);
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
return 0;
}
void show_help_default(const char *opt, const char *arg)
{
const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
int show_advanced = 0, show_avoptions = 0;
if (opt && *opt) {
if (!strcmp(opt, "long"))
show_advanced = 1;
else if (!strcmp(opt, "full"))
show_advanced = show_avoptions = 1;
else
av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
}
show_usage();
printf("Getting help:\n"
" -h -- print basic options\n"
" -h long -- print more options\n"
" -h full -- print all options (including all format and codec specific options, very long)\n"
" See man %s for detailed description of the options.\n"
"\n", program_name);
show_help_options(options, "Print help / information / capabilities:",
OPT_EXIT, 0, 0);
show_help_options(options, "Global options (affect whole program "
"instead of just one file:",
0, per_file | OPT_EXIT | OPT_EXPERT, 0);
if (show_advanced)
show_help_options(options, "Advanced global options:", OPT_EXPERT,
per_file | OPT_EXIT, 0);
show_help_options(options, "Per-file main options:", 0,
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
OPT_EXIT, per_file);
if (show_advanced)
show_help_options(options, "Advanced per-file options:",
OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
show_help_options(options, "Video options:",
OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
if (show_advanced)
show_help_options(options, "Advanced Video options:",
OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
show_help_options(options, "Audio options:",
OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
if (show_advanced)
show_help_options(options, "Advanced Audio options:",
OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
show_help_options(options, "Subtitle options:",
OPT_SUBTITLE, 0, 0);
printf("\n");
if (show_avoptions) {
int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
show_help_children(avcodec_get_class(), flags);
show_help_children(avformat_get_class(), flags);
#if CONFIG_SWSCALE
show_help_children(sws_get_class(), flags);
#endif
show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
}
}
void show_usage(void)
{
av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
av_log(NULL, AV_LOG_INFO, "\n");
}
enum OptGroup {
GROUP_OUTFILE,
GROUP_INFILE,
};
static const OptionGroupDef groups[] = {
[GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
[GROUP_INFILE] = { "input file", "i", OPT_INPUT },
};
static int open_files(OptionGroupList *l, const char *inout,
int (*open_file)(OptionsContext*, const char*))
{
int i, ret;
for (i = 0; i < l->nb_groups; i++) {
OptionGroup *g = &l->groups[i];
OptionsContext o;
init_options(&o);
o.g = g;
ret = parse_optgroup(&o, g);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
"%s.\n", inout, g->arg);
return ret;
}
av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
ret = open_file(&o, g->arg);
uninit_options(&o);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
inout, g->arg);
return ret;
}
av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
}
return 0;
}
int ffmpeg_parse_options(int argc, char **argv)
{
OptionParseContext octx;
uint8_t error[128];
int ret;
memset(&octx, 0, sizeof(octx));
ret = split_commandline(&octx, argc, argv, options, groups,
FF_ARRAY_ELEMS(groups));
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
goto fail;
}
ret = parse_optgroup(NULL, &octx.global_opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
goto fail;
}
ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
goto fail;
}
ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
goto fail;
}
fail:
uninit_parse_context(&octx);
if (ret < 0) {
av_strerror(ret, error, sizeof(error));
av_log(NULL, AV_LOG_FATAL, "%s\n", error);
}
return ret;
}
static int opt_progress(void *optctx, const char *opt, const char *arg)
{
AVIOContext *avio = NULL;
int ret;
if (!strcmp(arg, "-"))
arg = "pipe:";
ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
arg, av_err2str(ret));
return ret;
}
progress_avio = avio;
return 0;
}
#define OFFSET(x) offsetof(OptionsContext, x)
const OptionDef options[] = {
#include "cmdutils_common_opts.h"
{ "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
"force format", "fmt" },
{ "y", OPT_BOOL, { &file_overwrite },
"overwrite output files" },
{ "n", OPT_BOOL, { &no_file_overwrite },
"never overwrite output files" },
{ "c", HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
"codec name", "codec" },
{ "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
"codec name", "codec" },
{ "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(presets) },
"preset name", "preset" },
{ "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_OUTPUT, { .func_arg = opt_map },
"set input stream mapping",
"[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
{ "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
"map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
{ "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(metadata_map) },
"set metadata information of outfile from infile",
"outfile[,metadata]:infile[,metadata]" },
{ "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
"set chapters mapping", "input_file_index" },
{ "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
"record or transcode \"duration\" seconds of audio/video",
"duration" },
{ "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
"record or transcode stop time", "time_stop" },
{ "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
"set the limit file size in bytes", "limit_size" },
{ "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
"set the start time offset", "time_off" },
{ "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
OPT_INPUT, { .off = OFFSET(accurate_seek) },
"enable/disable accurate seeking with -ss" },
{ "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
"set the input ts offset", "time_off" },
{ "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
"set the input ts scale", "scale" },
{ "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp },
"set the recording timestamp ('now' to set the current time)", "time" },
{ "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
"add metadata", "string=string" },
{ "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
OPT_OUTPUT, { .func_arg = opt_data_frames },
"set the number of data frames to output", "number" },
{ "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
"add timings for benchmarking" },
{ "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
"add timings for each task" },
{ "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
"write program-readable progress information", "url" },
{ "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
"enable or disable interaction on standard input" },
{ "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
"set max runtime in seconds", "limit" },
{ "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
"dump each input packet" },
{ "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
"when dumping packets, also dump the payload" },
{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
OPT_INPUT, { .off = OFFSET(rate_emu) },
"read input at native frame rate", "" },
{ "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
"specify target file type (\"vcd\", \"svcd\", \"dvd\","
" \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
{ "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
"video sync method", "" },
{ "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
"frame drop threshold", "" },
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
"audio sync method", "" },
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
"audio drift threshold", "threshold" },
{ "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
"copy timestamps" },
{ "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
"shift input timestamps to start at 0 when using copyts" },
{ "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
"copy input stream time base when stream copying", "mode" },
{ "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
OPT_OUTPUT, { .off = OFFSET(shortest) },
"finish encoding within shortest input" },
{ "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(apad) },
"audio pad", "" },
{ "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
"timestamp discontinuity delta threshold", "threshold" },
{ "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
"timestamp error delta threshold", "threshold" },
{ "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
"exit on error", "error" },
{ "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
"copy initial non-keyframes" },
{ "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
"copy or discard frames before start time" },
{ "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
"set the number of frames to output", "number" },
{ "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
"force codec tag/fourcc", "fourcc/tag" },
{ "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
"use fixed quality scale (VBR)", "q" },
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_OUTPUT, { .func_arg = opt_qscale },
"use fixed quality scale (VBR)", "q" },
{ "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
"set profile", "profile" },
{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
"set stream filtergraph", "filter_graph" },
{ "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
"read stream filtergraph description from a file", "filename" },
{ "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
"reinit filtergraph on input parameter changes", "" },
{ "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
"create a complex filtergraph", "graph_description" },
{ "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
"create a complex filtergraph", "graph_description" },
{ "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
"read complex filtergraph description from a file", "filename" },
{ "stats", OPT_BOOL, { &print_stats },
"print progress report during encoding", },
{ "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
OPT_OUTPUT, { .func_arg = opt_attach },
"add an attachment to the output file", "filename" },
{ "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
"extract an attachment into a file", "filename" },
{ "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
"print timestamp debugging info" },
{ "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
"maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
{ "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
OPT_INPUT, { .off = OFFSET(discard) },
"discard", "" },
{ "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(disposition) },
"disposition", "" },
{ "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
{ .off = OFFSET(thread_queue_size) },
"set the maximum number of queued packets from the demuxer" },
{ "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
"set the number of video frames to output", "number" },
{ "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
"set frame rate (Hz value, fraction or abbreviation)", "rate" },
{ "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
"set frame size (WxH or abbreviation)", "size" },
{ "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
"set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
{ "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
"set pixel format", "format" },
{ "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
"set the number of bits per raw sample", "number" },
{ "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
"deprecated use -g 1" },
{ "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
"disable video" },
{ "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
"rate control override for specific intervals", "override" },
{ "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
OPT_OUTPUT, { .func_arg = opt_video_codec },
"force video codec ('copy' to copy stream)", "codec" },
{ "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
"Removed" },
{ "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
"Removed" },
{ "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
"set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
{ "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
"select the pass number (1 to 3)", "n" },
{ "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
"select two pass log file name prefix", "prefix" },
{ "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
"this option is deprecated, use the yadif filter instead" },
{ "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
"calculate PSNR of compressed frames" },
{ "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats },
"dump video coding statistics to file" },
{ "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file },
"dump video coding statistics to file", "file" },
{ "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
"set video filters", "filter_graph" },
{ "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
"specify intra matrix coeffs", "matrix" },
{ "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
"specify inter matrix coeffs", "matrix" },
{ "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
"specify intra matrix coeffs", "matrix" },
{ "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
"top=1/bottom=0/auto=-1 field first", "" },
{ "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_OUTPUT, { .func_arg = opt_old2new },
"force video tag/fourcc", "fourcc/tag" },
{ "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
"show QP histogram" },
{ "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
OPT_OUTPUT, { .off = OFFSET(force_fps) },
"force the selected framerate, disable the best supported framerate selection" },
{ "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_OUTPUT, { .func_arg = opt_streamid },
"set the value of an outfile streamid", "streamIndex:value" },
{ "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
"force key frames at specified timestamps", "timestamps" },
{ "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
"audio bitrate (please use -b:a)", "bitrate" },
{ "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
"video bitrate (please use -b:v)", "bitrate" },
{ "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
"use HW accelerated decoding", "hwaccel name" },
{ "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
"select a device for HW acceleration" "devicename" },
#if HAVE_VDPAU_X11
{ "vdpau_api_ver", HAS_ARG | OPT_INT | OPT_EXPERT, { &vdpau_api_ver }, "" },
#endif
{ "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
"set the number of audio frames to output", "number" },
{ "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
"set audio quality (codec-specific)", "quality", },
{ "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
"set audio sampling rate (in Hz)", "rate" },
{ "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
"set number of audio channels", "channels" },
{ "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
"disable audio" },
{ "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
"force audio codec ('copy' to copy stream)", "codec" },
{ "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_OUTPUT, { .func_arg = opt_old2new },
"force audio tag/fourcc", "fourcc/tag" },
{ "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
"change audio volume (256=normal)" , "volume" },
{ "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
"set sample format", "format" },
{ "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
"set channel layout", "layout" },
{ "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
"set audio filters", "filter_graph" },
{ "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
"set the maximum number of channels to try to guess the channel layout" },
{ "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
"disable subtitle" },
{ "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
"force subtitle codec ('copy' to copy stream)", "codec" },
{ "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
, "force subtitle tag/fourcc", "fourcc/tag" },
{ "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
"fix subtitles duration" },
{ "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
"set canvas size (WxH or abbreviation)", "size" },
{ "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
"deprecated, use -channel", "channel" },
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
"deprecated, use -standard", "standard" },
{ "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
"set the maximum demux-decode delay", "seconds" },
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
"set the initial demux-decode delay", "seconds" },
{ "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
"override the options from ffserver", "" },
{ "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { opt_sdp_file },
"specify a file in which to print sdp information", "file" },
{ "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
"A comma-separated list of bitstream filters", "bitstream_filters" },
{ "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
"deprecated", "audio bitstream_filters" },
{ "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
"deprecated", "video bitstream_filters" },
{ "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
"set the audio options to the indicated preset", "preset" },
{ "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
"set the video options to the indicated preset", "preset" },
{ "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
"set the subtitle options to the indicated preset", "preset" },
{ "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
"set options from indicated preset file", "filename" },
{ "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
"force data codec ('copy' to copy stream)", "codec" },
{ "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
"disable data" },
{ NULL, },
};