fftools/ffmpeg: move discarding unused programs to ffmpeg_demux

This is a more appropriate place for this code.

1 files changed, 17 insertions, 0 deletions

diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c
index aff80b1cd3..579dbcbe35 100644
--- a/fftools/ffmpeg_demux.c
+++ b/fftools/ffmpeg_demux.c
@@ -525,6 +525,21 @@ static void readrate_sleep(Demuxer *d)
     }
 }
 
+static void discard_unused_programs(InputFile *ifile)
+{
+        for (int j = 0; j < ifile->ctx->nb_programs; j++) {
+            AVProgram *p = ifile->ctx->programs[j];
+            int discard  = AVDISCARD_ALL;
+
+            for (int k = 0; k < p->nb_stream_indexes; k++)
+                if (!ifile->streams[p->stream_index[k]]->discard) {
+                    discard = AVDISCARD_DEFAULT;
+                    break;
+                }
+            p->discard = discard;
+        }
+}
+
 static void thread_set_name(InputFile *f)
 {
     char name[16];
@@ -548,6 +563,8 @@ static void *input_thread(void *arg)
 
     thread_set_name(f);
 
+    discard_unused_programs(f);
+
     d->wallclock_start = av_gettime_relative();
 
     while (1) {