avconv: Match stream id

Quite useful to select by pid in MPEG-TS.
This commit is contained in:
Luca Barbato 2014-03-12 18:01:48 +01:00
parent 6998a9f4c4
commit 81498ceb5b
2 changed files with 8 additions and 0 deletions

View File

@ -1530,6 +1530,12 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
return 1;
}
return 0;
} else if (*spec == 'i' && *(spec + 1) == ':') {
int stream_id;
char *endptr;
spec += 2;
stream_id = strtol(spec, &endptr, 0);
return stream_id == st->id;
} else if (!*spec) /* empty specifier, matches everything */
return 1;

View File

@ -42,6 +42,8 @@ streams of this type.
@item p:@var{program_id}[:@var{stream_index}]
If @var{stream_index} is given, then matches stream number @var{stream_index} in
program with id @var{program_id}. Otherwise matches all streams in this program.
@item i:@var{stream_id}
Match the stream by stream id (e.g. PID in MPEG-TS container).
@end table
@section Generic options