[FFmpeg-devel] [PATCH 1/3] utils.c: when packets are written by s->oformat->write_packet( ), add output packet size to out_bytes.

[Michael Smithng]

When interleave_packet() is done (returns 0), return out_bytes instead of normal return (0).
---
 libavformat/utils.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 7b45944..6ca377f 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3683,6 +3683,7 @@ static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, in
 
 int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt){
     int ret, flush = 0;
+    int out_bytes = 0;   // CK: output bytes
 
     if (pkt) {
         AVStream *st= s->streams[ pkt->stream_index];
@@ -3706,12 +3707,17 @@ int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt){
     for(;;){
         AVPacket opkt;
         int ret= interleave_packet(s, &opkt, pkt, flush);
-        if(ret<=0) //FIXME cleanup needed for ret<0 ?
-            return ret;
+        if(ret<=0) { //FIXME cleanup needed for ret<0 ?
+                // CK: return number of output bytes
+                if (ret >= 0) ret = out_bytes;
+                return ret;
+        }
 
         ret= s->oformat->write_packet(s, &opkt);
-        if (ret >= 0)
+        if (ret >= 0) {
             s->streams[opkt.stream_index]->nb_frames++;
+            out_bytes += opkt.size;   // CK: accumulate out_bytes
+        }
 
         av_free_packet(&opkt);
         pkt= NULL;
-- 
1.7.11.3