Merge commit 'c0c45188e56cfa3050bb39f8299025345b8a204c'

* commit 'c0c45188e56cfa3050bb39f8299025345b8a204c':
  mlp: improve request_channel_layout behavior.

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/mlp_parser.c

@@ -370,8 +370,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 mh.num_substreams > 1) {
                 avctx->channels       = 2;
                 avctx->channel_layout = AV_CH_LAYOUT_STEREO;
-            } else if (avctx->request_channel_layout == mh.channel_layout_thd_stream1 ||
-                       !mh.channels_thd_stream2) {
+            } else if (!mh.channels_thd_stream2 ||
+                       (mh.channel_layout_thd_stream1 & avctx->request_channel_layout) ==
+                       avctx->request_channel_layout) {
                 avctx->channels       = mh.channels_thd_stream1;
                 avctx->channel_layout = mh.channel_layout_thd_stream1;
             } else {

libavcodec/mlpdec.c

@@ -528,8 +528,8 @@ FF_DISABLE_DEPRECATION_WARNINGS
 FF_ENABLE_DEPRECATION_WARNINGS
     } else
 #endif
-    if (m->avctx->request_channel_layout == s->ch_layout &&
-        m->max_decoded_substream > substr) {
+    if ((s->ch_layout & m->avctx->request_channel_layout) ==
+        m->avctx->request_channel_layout && m->max_decoded_substream > substr) {
         av_log(m->avctx, AV_LOG_DEBUG,
                "Extracting %d-channel downmix (0x%"PRIx64") from substream %d. "
                "Further substreams will be skipped.\n",