lavf: allow BSFs to drop packets.

If pkt->size == 0 && pkt->side_data_elems == 0 after bsf->filter() returns, the packet is considered dropped.
2016-02-29 09:42:54 -05:00
parent 867637caea
commit 6d8ab358a3
8 changed files with 31 additions and 15 deletions
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -694,6 +694,8 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
        if (exit_on_error)
            exit_program(1);
    }
+    if (pkt->size == 0 && pkt->side_data_elems == 0)
+        return;

    if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
        if (pkt->dts != AV_NOPTS_VALUE &&