ffmpeg | branch: master | Gyan Doshi <gyando...@gmail.com> | Wed Nov 15 17:54:19 2017 +0530| [e75fe0ef213074381c09e074f1f9619012f1ffad] | committer: Nicolas George
avformat/subfile: allow to extract till EOF Users can set end offset as 0 to extract till end of file. Tested locally and documented. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e75fe0ef213074381c09e074f1f9619012f1ffad --- doc/protocols.texi | 6 ++++++ libavformat/subfile.c | 3 +++ 2 files changed, 9 insertions(+) diff --git a/doc/protocols.texi b/doc/protocols.texi index 4d48f8a411..8661aea147 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -1186,6 +1186,7 @@ Accepted options: Start offset of the extracted segment, in bytes. @item end End offset of the extracted segment, in bytes. +If set to 0, extract till end of file. @end table Examples: @@ -1201,6 +1202,11 @@ Play an AVI file directly from a TAR archive: subfile,,start,183241728,end,366490624,,:archive.tar @end example +Play a MPEG-TS file from start offset till end: +@example +subfile,,start,32815239,end,0,,:video.ts +@end example + @section tee Writes the output to multiple protocols. The individual outputs are separated diff --git a/libavformat/subfile.c b/libavformat/subfile.c index 497cf85211..b527f2bee1 100644 --- a/libavformat/subfile.c +++ b/libavformat/subfile.c @@ -72,6 +72,9 @@ static int subfile_open(URLContext *h, const char *filename, int flags, SubfileContext *c = h->priv_data; int ret; + if (!c->end) + c->end = INT64_MAX; + if (c->end <= c->start) { av_log(h, AV_LOG_ERROR, "end before start\n"); return AVERROR(EINVAL); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
