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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2016-02-29 09:42:54 -0500 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2016-03-11 11:19:10 -0500 |
| commit | 6d8ab358a3c2a8fbdd6ae7f144893b7c88c30557 (patch) | |
| tree | 23f828365cc3743026aa12a2b9212621608f58f8 /libavformat/utils.c | |
| parent | 867637caeab58bb9627a4a49637d37cbe885368b (diff) | |
| download | ffmpeg-6d8ab358a3c2a8fbdd6ae7f144893b7c88c30557.tar.gz | |
lavf: allow BSFs to drop packets.
If pkt->size == 0 && pkt->side_data_elems == 0 after bsf->filter()
returns, the packet is considered dropped.
Diffstat (limited to 'libavformat/utils.c')
| -rw-r--r-- | libavformat/utils.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index f4ae8b4f58..e0aea877ff 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -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) { |