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Presets support.

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How per codec defaults and ranges will be supported is still being discussed.

Originally committed as revision 13685 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-06-07 09:12:42 +00:00
parent 8a4f5983ee
commit d9f1b68cf5
1 changed files with 39 additions and 0 deletions
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39
ffmpeg.c
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@ -3636,6 +3636,41 @@ static int opt_bsf(const char *opt, const char *arg)
return 0;
}
static int opt_preset(const char *opt, const char *arg)
{
FILE *f;
char tmp[100], tmp2[100];
char *home= getenv("HOME");
snprintf(tmp, sizeof(tmp), "%s/.ffmpeg/%s.ffpreset", home, arg);
f= fopen(tmp, "r");
if(!f){
char *codec_name= *opt == 'v' ? video_codec_name :
*opt == 'a' ? audio_codec_name :
subtitle_codec_name;
snprintf(tmp, sizeof(tmp), "%s/.ffmpeg/%s-%s.ffpreset", home, codec_name, arg);
f= fopen(tmp, "r");
}
if(!f){
fprintf(stderr, "Preset file not found\n");
av_exit(1);
}
while(!feof(f)){
int e= fscanf(f, "%99[^=]=%99[^\n]\n", tmp, tmp2);
if(e!=2){
fprintf(stderr, "Preset file invalid\n");
av_exit(1);
}
opt_default(tmp, tmp2);
}
fclose(f);
return 0;
}
static const OptionDef options[] = {
/* main options */
{ "L", OPT_EXIT, {(void*)show_license}, "show license" },
@ -3758,6 +3793,10 @@ static const OptionDef options[] = {
{ "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
{ "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
{ "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
{ "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
{ "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
{ "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
{ NULL, },
};