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Add -vlang option to set ISO 639 video stream language code.

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This is similar to existing -alang & -slang options.

Patch by Matthieu Crapet m${surname} ^ gmail com.

Originally committed as revision 20880 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Matthieu Crapet 2009-12-16 12:08:01 +00:00 committed by Stefano Sabatini
parent b0bc928b86
commit 0fc2c0f618
2 changed files with 9 additions and 0 deletions
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3
doc/ffmpeg-doc.texi
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@ -505,6 +505,9 @@ stream.
@item -newvideo
Add a new video stream to the current output stream.
@item -vlang @var{code}
Set the ISO 639 language code (3 letters) of the current video stream.
@end table
@section Advanced Video Options

6
ffmpeg.c
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@ -134,6 +134,7 @@ static int video_disable = 0;
static int video_discard = 0;
static char *video_codec_name = NULL;
static int video_codec_tag = 0;
static char *video_language = NULL;
static int same_quality = 0;
static int do_deinterlace = 0;
static int top_field_first = -1;
@ -3179,6 +3180,10 @@ static void new_video_stream(AVFormatContext *oc)
}
}
nb_ocodecs++;
if (video_language) {
av_metadata_set(&st->metadata, "language", video_language);
av_freep(&video_language);
}
/* reset some key parameters */
video_disable = 0;
@ -3913,6 +3918,7 @@ static const OptionDef options[] = {
{ "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
{ "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
{ "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
{ "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },