[FFmpeg-devel] [PATCH] ffmpeg.c: Multiple Audio/Video/Data Streams support in the same program

[Chiranjeevi Melam]

All,

The patch is to add the support of "Multiple Audio/Video/Data Streams support in the same program". FFMPEG does not have this support before.

Thanks,

Chiru


diff --git a/ffmpeg/ffmpeg_orig.c b/ffmpeg/ffmpeg.c
index 95b3252..166ba3a 100755
--- a/ffmpeg/ffmpeg_orig.c
+++ b/ffmpeg/ffmpeg.c
@@ -2126,6 +2126,7 @@ static int transcode(AVFormatContext **output_files,
     }
     n = 0;
     for(k=0;k<nb_output_files;k++) {
+               int mbegin = n, m, multi_tracks;
         os = output_files[k];
         for(i=0;i<os->nb_streams;i++,n++) {
             int found;
@@ -2163,7 +2164,20 @@ static int transcode(AVFormatContext **output_files,
                                 }
                         }
                     }
-                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
+                    multi_tracks =0;
+                    if(n){
+                                               for(m=mbegin; m<n; m++) {
+                            if(ost_table[m]->source_index == j) {
+                                multi_tracks = 1;
+                                break;
+                            }
+                        }
+                        if(multi_tracks) {
+                            continue;
+                        }
+                    }
+                    if (ist->st->discard != AVDISCARD_ALL && !skip &&
+                    //if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
                         ist->st->codec->codec_type == ost->st->codec->codec_type &&
                         nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
                             ost->source_index = j;