Message ID | 20190516223018.30827-9-andreas.rheinhardt@gmail.com |
---|---|
State | Accepted |
Headers | show |
On 5/16/2019 7:29 PM, Andreas Rheinhardt wrote: > This commit replaces copying attached pictures by using references to > the already existing buffers. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> > --- > libavformat/matroskadec.c | 16 ++++++++++------ > 1 file changed, 10 insertions(+), 6 deletions(-) > > diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c > index 1cda5d5b76..0f9d55566f 100644 > --- a/libavformat/matroskadec.c > +++ b/libavformat/matroskadec.c > @@ -2713,15 +2713,19 @@ static int matroska_read_header(AVFormatContext *s) > attachments[j].stream = st; > > if (st->codecpar->codec_id != AV_CODEC_ID_NONE) { > + AVPacket *pkt = &st->attached_pic; > + > st->disposition |= AV_DISPOSITION_ATTACHED_PIC; > st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; > > - av_init_packet(&st->attached_pic); > - if ((res = av_new_packet(&st->attached_pic, attachments[j].bin.size)) < 0) > - return res; > - memcpy(st->attached_pic.data, attachments[j].bin.data, attachments[j].bin.size); > - st->attached_pic.stream_index = st->index; > - st->attached_pic.flags |= AV_PKT_FLAG_KEY; > + av_init_packet(pkt); > + pkt->buf = av_buffer_ref(attachments[j].bin.buf); > + if (!pkt->buf) > + return AVERROR(ENOMEM); > + pkt->data = attachments[j].bin.data; > + pkt->size = attachments[j].bin.size; > + pkt->stream_index = st->index; > + pkt->flags |= AV_PKT_FLAG_KEY; > } else { > st->codecpar->codec_type = AVMEDIA_TYPE_ATTACHMENT; > if (ff_alloc_extradata(st->codecpar, attachments[j].bin.size)) Applied, thanks.
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 1cda5d5b76..0f9d55566f 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -2713,15 +2713,19 @@ static int matroska_read_header(AVFormatContext *s) attachments[j].stream = st; if (st->codecpar->codec_id != AV_CODEC_ID_NONE) { + AVPacket *pkt = &st->attached_pic; + st->disposition |= AV_DISPOSITION_ATTACHED_PIC; st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; - av_init_packet(&st->attached_pic); - if ((res = av_new_packet(&st->attached_pic, attachments[j].bin.size)) < 0) - return res; - memcpy(st->attached_pic.data, attachments[j].bin.data, attachments[j].bin.size); - st->attached_pic.stream_index = st->index; - st->attached_pic.flags |= AV_PKT_FLAG_KEY; + av_init_packet(pkt); + pkt->buf = av_buffer_ref(attachments[j].bin.buf); + if (!pkt->buf) + return AVERROR(ENOMEM); + pkt->data = attachments[j].bin.data; + pkt->size = attachments[j].bin.size; + pkt->stream_index = st->index; + pkt->flags |= AV_PKT_FLAG_KEY; } else { st->codecpar->codec_type = AVMEDIA_TYPE_ATTACHMENT; if (ff_alloc_extradata(st->codecpar, attachments[j].bin.size))
This commit replaces copying attached pictures by using references to the already existing buffers. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> --- libavformat/matroskadec.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)