Paul B Mahol: > This removes big CPU overhead for demuxing chained ogg streams. > > Signed-off-by: Paul B Mahol <one...@gmail.com> > --- > libavformat/aviobuf.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c > index a77517d712..88cc0b4030 100644 > --- a/libavformat/aviobuf.c > +++ b/libavformat/aviobuf.c > @@ -999,8 +999,6 @@ int ffio_ensure_seekback(AVIOContext *s, int64_t buf_size) > int filled = s->buf_end - s->buffer; > ptrdiff_t checksum_ptr_offset = s->checksum_ptr ? s->checksum_ptr - > s->buffer : -1; > > - buf_size += s->buf_ptr - s->buffer + max_buffer_size; > - > if (buf_size < filled || s->seekable || !s->read_packet) > return 0; > av_assert0(!s->write_flag); > This will make the buffer smaller (even very small) if not enough data is in the buffer (and if it is unseekable). There are several users of this function that use quite small numbers and if the buffer got shrunk, future I/O operations will be really slow.
- Andreas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
