[FFmpeg-devel] [PATCH] round-robin like scheduling for multichannel inputs. Important in case of capture devices. Else the first channel is preferred always.

[Roman Sidler]

---
 fftools/ffmpeg.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index da4259a9a8..fa54421d73 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -3869,12 +3869,14 @@ static int need_output(void)
  */
 static OutputStream *choose_output(void)
 {
-    int i;
+    int i,_i;
+    static int last_i;
     int64_t opts_min = INT64_MAX;
     OutputStream *ost_min = NULL;
 
     for (i = 0; i < nb_output_streams; i++) {
-        OutputStream *ost = output_streams[i];
+        _i = (last_i + 1 + i) %nb_output_streams;
+        OutputStream *ost = output_streams[_i];
         int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
                        av_rescale_q(ost->st->cur_dts, ost->st->time_base,
                                     AV_TIME_BASE_Q);
@@ -3889,6 +3891,8 @@ static OutputStream *choose_output(void)
             ost_min  = ost->unavailable ? NULL : ost;
         }
     }
+    if (ost_min)
+        last_i = ost_min->file_index;
     return ost_min;
 }
 
-- 
2.14.1.windows.1