/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- args_callback_option
- args_callback_longoption
- args_callback_usage
- args_callback_command
- ftoa
- itoa
- sigterm
- main
/* avi2swf.cc
Convert avi movie files into swf.
Part of the swftools package.
Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include "../config.h"
#include "../lib/args.h"
#include "v2swf.h"
#ifdef WIN32
#include "videoreader_vfw.hh"
#else
#include "videoreader_avifile.hh"
#endif
static char * filename = 0;
static char * outputfilename = "output.swf";
int verbose = 0;
static int quality = 80;
static double scale = 1.0;
static int flip = 0;
static int expensive = 0;
static int flashversion = 6;
static int keyframe_interval = -1;
static int skip = 0;
static float audio_adjust = 0;
static int mp3_bitrate = 32;
static int samplerate = 11025;
static int numframes = 0;
static char* skipframes = 0;
static struct options_t options[] = {
{"h", "help"},
{"o", "output"},
{"A", "adjust"},
{"n", "num"},
{"m", "mp3-bitrate"},
{"r", "mp3-samplerate"},
{"s", "scale"},
{"S", "skipframes"},
{"p", "flip"},
{"q", "quality"},
{"k", "keyframe"},
{"x", "extragood"},
{"T", "flashversion"},
{"V", "version"},
{0,0}
};
int args_callback_option(char*name,char*val)
{
if(!strcmp(name, "V")) {
printf("avi2swf-ng - part of %s %s\n", PACKAGE, VERSION);
exit(0);
}
else if(!strcmp(name, "o")) {
outputfilename = val;
return 1;
}
else if(!strcmp(name, "n")) {
numframes = atoi(val);
return 1;
}
else if(!strcmp(name, "d")) {
scale = atof(val);
return 1;
}
else if(!strcmp(name, "q")) {
quality = atoi(val);
if(quality<0)
quality = 0;
if(quality>100)
quality = 100;
return 1;
}
else if(!strcmp(name, "p")) {
flip = 1;
return 0;
}
else if(!strcmp(name, "k")) {
keyframe_interval = atoi(val);
return 1;
}
else if(!strcmp(name, "A")) {
audio_adjust = atof(val);
return 1;
}
else if(!strcmp(name, "v")) {
verbose = 1;
return 0;
}
else if(!strcmp(name, "T")) {
flashversion = atoi(val);
return 1;
}
else if(!strcmp(name, "x")) {
expensive = 1;
return 0;
}
else if(!strcmp(name, "m")) {
mp3_bitrate = atoi(val);
return 1;
}
else if(!strcmp(name, "r")) {
samplerate = atoi(val);
if(samplerate >= 11000 && samplerate <= 12000)
samplerate = 11025;
else if(samplerate >= 22000 && samplerate <= 23000)
samplerate = 22050;
else if(samplerate >= 44000 && samplerate <= 45000)
samplerate = 44100;
else {
fprintf(stderr, "Invalid samplerate: %d\n", samplerate);
fprintf(stderr, "Allowed values: 11025, 22050, 44100\n", samplerate);
exit(1);
}
return 1;
}
else if(!strcmp(name, "S")) {
skip = atoi(val);
return 1;
}
else if(!strcmp(name, "C")) {
skipframes = strdup(val);
return 1;
}
else if(!strcmp(name, "s")) {
scale = atoi(val)/100.0;
if(scale>1.0 || scale<=0) {
fprintf(stderr, "Scale must be in the range 1-100!\n");
exit(1);
}
return 1;
}
fprintf(stderr, "Unknown option: -%s\n", name);
exit(1);
}
int args_callback_longoption(char*name,char*val)
{
return args_long2shortoption(options, name, val);
}
void args_callback_usage(char *name)
{
printf("\n");
printf("Usage: %s file.avi [-o output.swf]\n", name);
printf("\n");
printf("-h , --help Print help and exit\n");
printf("-o , --output filename Specify output filename\n");
printf("-A , --adjust seconds Audio adjust: Shift sound -seconds to the future or +seconds into the past.\n");
printf("-n , --num frames Number of frames to encode\n");
printf("-m , --mp3-bitrate <kbps> Set the mp3 bitrate to encode audio with\n");
printf("-r , --mp3-samplerate <hz> Set the mp3 samplerate to encode audio with (default: 11025)\n");
printf("-s , --scale <val> Scale down to factor <val>. (in %, e.g. 100 = original size)\n");
printf("-S , --skipframes <num> Skip <num> frames before starting the conversion.\n");
printf("-p , --flip Turn movie upside down\n");
printf("-q , --quality <val> Set the quality to <val>. (0-100, 0=worst, 100=best, default:80)\n");
printf("-k , --keyframe Set the number of intermediate frames between keyframes.\n");
printf("-x , --extragood Enable some *very* expensive compression strategies.\n");
printf("-T , --flashversion <n> Set output flash version to <n>.\n");
printf("-V , --version Print program version and exit\n");
printf("\n");
}
int args_callback_command(char*name,char*val)
{
if(filename) {
fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
filename, name);
}
filename = name;
return 0;
}
static char toabuf[128];
static char*ftoa(double a)
{
sprintf(toabuf, "%f", a);
return toabuf;
}
static char*itoa(int a)
{
sprintf(toabuf, "%d", a);
return toabuf;
}
#ifdef DO_SIGNALS
pthread_t main_thread;
static void sigterm(int sig)
{
if(pthread_equal (pthread_self(), main_thread))
{
if(frameno>0 && !shutdown_avi2swf) {
if(verbose)
printf("Thread [%08x] got sigterm %d\n", pthread_self(), sig);
shutdown_avi2swf++;
} else {
exit(1);
}
}
}
#endif
int main (int argc,char ** argv)
{
videoreader_t video;
v2swf_t v2swf;
int ret;
FILE*fi;
#ifdef DO_SIGNALS
signal(SIGTERM, sigterm);
signal(SIGINT , sigterm);
signal(SIGQUIT, sigterm);
main_thread = pthread_self();
#endif
processargs(argc, argv);
if(!filename) {
fprintf(stderr, "You must supply a filename");
exit(0);
}
if(keyframe_interval<0) {
if(flashversion>=6)
keyframe_interval=20;
else
keyframe_interval=5;
}
fi = fopen(outputfilename, "wb");
if(!fi) {
fflush(stdout); fflush(stderr);
fprintf(stderr, "Couldn't open %s\n", outputfilename);
exit(1);
}
#ifdef WIN32
ret = videoreader_vfw_open(&video, filename);
#else
ret = videoreader_avifile_open(&video, filename);
#endif
if(ret<0) {
fprintf(stderr, "Error opening %s\n", filename);
exit(1);
}
if(verbose) {
printf("| video framerate: %f\n", video.fps);
printf("| video size: %dx%d\n", video.width, video.height);
printf("| audio rate: %d\n", video.samplerate);
printf("| audio channels: %d\n", video.channels);
}
ret = v2swf_init(&v2swf, &video);
if(verbose)
v2swf_setparameter(&v2swf, "verbose", "1");
if(numframes)
v2swf_setparameter(&v2swf, "numframes", itoa(numframes));
v2swf_setparameter(&v2swf, "quality", itoa(quality));
v2swf_setparameter(&v2swf, "blockdiff", "0");
v2swf_setparameter(&v2swf, "blockdiff_mode", "exact");
v2swf_setparameter(&v2swf, "mp3_bitrate", itoa(mp3_bitrate));
v2swf_setparameter(&v2swf, "samplerate", itoa(samplerate));
//v2swf_setparameter(&v2swf, "fixheader", "1");
//v2swf_setparameter(&v2swf, "framerate", "15");
v2swf_setparameter(&v2swf, "scale", ftoa(scale));
v2swf_setparameter(&v2swf, "prescale", "1");
v2swf_setparameter(&v2swf, "flash_version", itoa(flashversion));
v2swf_setparameter(&v2swf, "keyframe_interval", itoa(keyframe_interval));
if(skipframes)
v2swf_setparameter(&v2swf, "skipframes", skipframes);
if(expensive)
v2swf_setparameter(&v2swf, "motioncompensation", "1");
if(flip)
video.setparameter(&video, "flip", "1");
if(verbose)
video.setparameter(&video, "verbose", "1");
if(!verbose)
printf("\n");
if(audio_adjust>0) {
int num = ((int)(audio_adjust*video.samplerate))*video.channels*2;
void*buf = malloc(num);
video.getsamples(&video, buf, num);
free(buf);
} else if(audio_adjust<0) {
int num = (int)(-audio_adjust*video.fps);
void*buf = malloc(video.width*video.height*4);
int t;
for(t=0;t<num;t++) {
video.getimage(&video, buf);
}
free(buf);
}
if(skip) {
int t;
void*buf = malloc(video.width*video.height*4);
for(t=0;t<skip;t++) {
video.getimage(&video, buf);
video.getsamples(&video, buf, (int)((video.samplerate/video.fps)*video.channels*2));
if(!verbose) {
printf("\rSkipping frame %d", video.frame);fflush(stdout);
}
}
free(buf);
}
char buffer[4096];
while(1) {
int l=v2swf_read(&v2swf, buffer, 4096);
fwrite(buffer, l, 1, fi);
if(!l)
break;
if(!verbose) {
printf("\rConverting frame %d", video.frame);fflush(stdout);
}
}
if(!verbose)
printf("\n");
fclose(fi);
v2swf_backpatch(&v2swf, outputfilename);
v2swf_close(&v2swf);
}