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Code Issues Releases Activity

lavf/concatdec: support stream metadata

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This commit is contained in:
Nicolas George 2021-08-31 14:09:57 +02:00
parent 76cf1ff979
commit c753b49c38
2 changed files with 16 additions and 2 deletions
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4
doc/demuxers.texi
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@ -177,6 +177,10 @@ subfiles will be used.
This is especially useful for MPEG-PS (VOB) files, where the order of the This is especially useful for MPEG-PS (VOB) files, where the order of the
streams is not reliable. streams is not reliable.
@item @code{stream_meta @var{key} @var{value}}
Metadata for the stream.
Can be present multiple times.
@end table @end table
@subsection Options @subsection Options

14
libavformat/concatdec.c
View File

@ -430,6 +430,7 @@ typedef enum ParseDirective {
DIR_OPTION, DIR_OPTION,
DIR_STREAM, DIR_STREAM,
DIR_EXSID, DIR_EXSID,
DIR_STMETA,
} ParseDirective; } ParseDirective;
static const ParseSyntax syntax[] = { static const ParseSyntax syntax[] = {
@ -443,6 +444,7 @@ static const ParseSyntax syntax[] = {
[DIR_OPTION ] = { "option", "ks", NEEDS_FILE | NEEDS_UNSAFE }, [DIR_OPTION ] = { "option", "ks", NEEDS_FILE | NEEDS_UNSAFE },
[DIR_STREAM ] = { "stream", "", 0 }, [DIR_STREAM ] = { "stream", "", 0 },
[DIR_EXSID ] = { "exact_stream_id", "i", NEEDS_STREAM }, [DIR_EXSID ] = { "exact_stream_id", "i", NEEDS_STREAM },
[DIR_STMETA ] = { "stream_meta", "ks", NEEDS_STREAM },
}; };
static int concat_parse_script(AVFormatContext *avf) static int concat_parse_script(AVFormatContext *avf)
@ -452,6 +454,7 @@ static int concat_parse_script(AVFormatContext *avf)
AVBPrint bp; AVBPrint bp;
uint8_t *cursor, *keyword; uint8_t *cursor, *keyword;
ConcatFile *file = NULL; ConcatFile *file = NULL;
AVStream *stream = NULL;
unsigned line = 0, arg; unsigned line = 0, arg;
const ParseSyntax *dir; const ParseSyntax *dir;
char *arg_kw[MAX_ARGS]; char *arg_kw[MAX_ARGS];
@ -578,12 +581,19 @@ static int concat_parse_script(AVFormatContext *avf)
break; break;
case DIR_STREAM: case DIR_STREAM:
if (!avformat_new_stream(avf, NULL)) stream = avformat_new_stream(avf, NULL);
if (!stream)
FAIL(AVERROR(ENOMEM)); FAIL(AVERROR(ENOMEM));
break; break;
case DIR_EXSID: case DIR_EXSID:
avf->streams[avf->nb_streams - 1]->id = arg_int[0]; stream->id = arg_int[0];
break;
case DIR_STMETA:
ret = av_dict_set(&stream->metadata, arg_kw[0], arg_str[1], AV_DICT_DONT_STRDUP_VAL);
arg_str[1] = NULL;
if (ret < 0)
FAIL(ret);
break; break;
default: default: