Merge commit '9ceed7af377cea6a430d63a2f5d5cf1afe0d4f05'

* commit '9ceed7af377cea6a430d63a2f5d5cf1afe0d4f05':
  rtpenc: Add a rtpflag option for sending BYE packets when finishing

Conflicts:
	libavformat/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 13 insertions, 2 deletions

diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index c9cea864eb..6fdc908d0f 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -262,7 +262,7 @@ fail:
 }
 
 /* send an rtcp sender report packet */
-static void rtcp_send_sr(AVFormatContext *s1, int64_t ntp_time)
+static void rtcp_send_sr(AVFormatContext *s1, int64_t ntp_time, int bye)
 {
     RTPMuxContext *s = s1->priv_data;
     uint32_t rtp_ts;
@@ -296,6 +296,13 @@ static void rtcp_send_sr(AVFormatContext *s1, int64_t ntp_time)
             avio_w8(s1->pb, 0);
     }
 
+    if (bye) {
+        avio_w8(s1->pb, (RTP_VERSION << 6) | 1);
+        avio_w8(s1->pb, RTCP_BYE);
+        avio_wb16(s1->pb, 1); /* length in words - 1 */
+        avio_wb32(s1->pb, s->ssrc);
+    }
+
     avio_flush(s1->pb);
 }
 
@@ -494,7 +501,7 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
     if ((s->first_packet || ((rtcp_bytes >= RTCP_SR_SIZE) &&
                             (ff_ntp_time() - s->last_rtcp_ntp_time > 5000000))) &&
         !(s->flags & FF_RTP_FLAG_SKIP_RTCP)) {
-        rtcp_send_sr(s1, ff_ntp_time());
+        rtcp_send_sr(s1, ff_ntp_time(), 0);
         s->last_octet_count = s->octet_count;
         s->first_packet = 0;
     }
@@ -590,6 +597,10 @@ static int rtp_write_trailer(AVFormatContext *s1)
 {
     RTPMuxContext *s = s1->priv_data;
 
+    /* If the caller closes and recreates ->pb, this might actually
+     * be NULL here even if it was successfully allocated at the start. */
+    if (s1->pb && (s->flags & FF_RTP_FLAG_SEND_BYE))
+        rtcp_send_sr(s1, ff_ntp_time(), 1);
     av_freep(&s->buf);
 
     return 0;