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Presets support.
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
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parent
8a4f5983ee
commit
d9f1b68cf5
39
ffmpeg.c
39
ffmpeg.c
@ -3636,6 +3636,41 @@ static int opt_bsf(const char *opt, const char *arg)
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return 0;
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}
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static int opt_preset(const char *opt, const char *arg)
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{
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FILE *f;
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char tmp[100], tmp2[100];
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char *home= getenv("HOME");
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snprintf(tmp, sizeof(tmp), "%s/.ffmpeg/%s.ffpreset", home, arg);
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f= fopen(tmp, "r");
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if(!f){
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char *codec_name= *opt == 'v' ? video_codec_name :
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*opt == 'a' ? audio_codec_name :
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subtitle_codec_name;
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snprintf(tmp, sizeof(tmp), "%s/.ffmpeg/%s-%s.ffpreset", home, codec_name, arg);
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f= fopen(tmp, "r");
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}
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if(!f){
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fprintf(stderr, "Preset file not found\n");
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av_exit(1);
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}
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while(!feof(f)){
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int e= fscanf(f, "%99[^=]=%99[^\n]\n", tmp, tmp2);
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if(e!=2){
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fprintf(stderr, "Preset file invalid\n");
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av_exit(1);
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}
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opt_default(tmp, tmp2);
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}
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fclose(f);
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return 0;
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}
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static const OptionDef options[] = {
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/* main options */
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{ "L", OPT_EXIT, {(void*)show_license}, "show license" },
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@ -3758,6 +3793,10 @@ static const OptionDef options[] = {
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{ "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
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{ "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
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{ "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
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{ "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
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{ "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "", "preset" },
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{ "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
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{ NULL, },
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};
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