Paul B Mahol (12020-09-15): > This removes big CPU overhead for demuxing chained ogg streams. > > Signed-off-by: Paul B Mahol <one...@gmail.com> > --- > libavformat/aviobuf.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c > index a77517d712..6d01150f66 100644 > --- a/libavformat/aviobuf.c > +++ b/libavformat/aviobuf.c > @@ -1005,12 +1005,11 @@ int ffio_ensure_seekback(AVIOContext *s, int64_t > buf_size) > return 0; > av_assert0(!s->write_flag); > > - buffer = av_malloc(buf_size); > + buffer = s->buffer;
> + buffer = av_realloc(buffer, buf_size); > if (!buffer) > return AVERROR(ENOMEM); Leaks in case of failure. > > - memcpy(buffer, s->buffer, filled); > - av_free(s->buffer); > s->buf_ptr = buffer + (s->buf_ptr - s->buffer); > s->buf_end = buffer + (s->buf_end - s->buffer); > s->buffer = buffer; -- Nicolas George
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