apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-10-24 17:32:22 +08:00
Code Issues Packages Projects Releases Wiki Activity

lavf: allow BSFs to drop packets.

Browse Source 
If pkt->size == 0 && pkt->side_data_elems == 0 after bsf->filter()
returns, the packet is considered dropped.
This commit is contained in:
Ronald S. Bultje
2016-02-29 09:42:54 -05:00
parent 867637caea
commit 6d8ab358a3
8 changed files with 31 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
libavformat/utils.c
View File

@@ -4710,6 +4710,11 @@ int av_apply_bitstream_filters(AVCodecContext *codec, AVPacket *pkt,
&new_pkt.data, &new_pkt.size,
pkt->data, pkt->size,
pkt->flags & AV_PKT_FLAG_KEY);
if (a == 0 && new_pkt.size == 0 && new_pkt.side_data_elems == 0) {
av_packet_unref(pkt);
memset(pkt, 0, sizeof(*pkt));
return 0;
}
if(a == 0 && new_pkt.data != pkt->data) {
uint8_t *t = av_malloc(new_pkt.size + AV_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
if (t) {