rtpenc_vp8: Include the picture number in VP8 packets

This makes it easier for receivers to decide what to do if data
is lost.

Refactor calculating the max payload size, to avoid hardcoding the
header size in too many places, reducing the number of lines that
have to be touched if the header is adjusted further.

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 2 insertions, 0 deletions

diff --git a/libavformat/rtpenc.h b/libavformat/rtpenc.h
index 369b413e9d..5fd0b9ca64 100644
--- a/libavformat/rtpenc.h
+++ b/libavformat/rtpenc.h
@@ -59,6 +59,8 @@ struct RTPMuxContext {
     int nal_length_size;
 
     int flags;
+
+    unsigned int frame_count;
 };
 
 typedef struct RTPMuxContext RTPMuxContext;