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Add support for listing the supported pixel formats using the option

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-pix_fmt list
patch by Stefano Sabatini stefano sabatini minus lala chez poste it
original thread: [FFmpeg-devel] [PATCH] List supported pixel formats
date: 05/25/2007 05:46 PM

Originally committed as revision 9162 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2007-05-30 14:20:55 +00:00
committed by Benoit Fouet
parent 808d83fd33
commit c3b95b1d3d
4 changed files with 52 additions and 3 deletions
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18
ffmpeg.c
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@@ -2243,10 +2243,24 @@ static void opt_frame_pad_right(const char *arg)
}
}
void list_pix_fmts(void)
{
int i;
char pix_fmt_str[128];
for (i=-1; i < PIX_FMT_NB; i++) {
avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
fprintf(stdout, "%s\n", pix_fmt_str);
}
}
static void opt_frame_pix_fmt(const char *arg)
{
frame_pix_fmt = avcodec_get_pix_fmt(arg);
if (strcmp(arg, "list"))
frame_pix_fmt = avcodec_get_pix_fmt(arg);
else {
list_pix_fmts();
exit(0);
}
}
static void opt_frame_aspect_ratio(const char *arg)
@@ -3596,7 +3610,7 @@ const OptionDef options[] = {
{ "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
{ "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
{ "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
{ "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
{ "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },