X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libswresample%2Frematrix.c;h=94b3de88f6f727f18c1fcdd0a5c896b76a2c4c0f;hb=3a370868dc33061a20d1fd99274e65167d7a78ac;hp=6b5feaa07b69e408cd99b2ba0613786656bc4c54;hpb=4069096dd535ee99175c2a29c1a1f59c3fc110c1;p=ffmpeg

diff --git a/libswresample/rematrix.c b/libswresample/rematrix.c
index 6b5feaa07b6..94b3de88f6f 100644
--- a/libswresample/rematrix.c
+++ b/libswresample/rematrix.c
@@ -88,7 +88,7 @@ static int even(int64_t layout){
     return 0;
 }
 
-static int clean_layout(void *s, int64_t layout){
+static int64_t clean_layout(void *s, int64_t layout){
     if(layout && layout != AV_CH_FRONT_CENTER && !(layout&(layout-1))) {
         char buf[128];
         av_get_channel_layout_string(buf, sizeof(buf), -1, layout);
@@ -141,6 +141,16 @@ av_cold int swr_build_matrix(uint64_t in_ch_layout_param, uint64_t out_ch_layout
     )
         in_ch_layout = AV_CH_LAYOUT_STEREO;
 
+    if (in_ch_layout == AV_CH_LAYOUT_22POINT2 &&
+        out_ch_layout != AV_CH_LAYOUT_22POINT2) {
+        in_ch_layout = (AV_CH_LAYOUT_7POINT1_WIDE_BACK|AV_CH_BACK_CENTER);
+        av_get_channel_layout_string(buf, sizeof(buf), -1, in_ch_layout);
+        av_log(log_context, AV_LOG_WARNING,
+               "Full-on remixing from 22.2 has not yet been implemented! "
+               "Processing the input as '%s'\n",
+               buf);
+    }
+
     if(!sane_layout(in_ch_layout)){
         av_get_channel_layout_string(buf, sizeof(buf), -1, in_ch_layout_param);
         av_log(log_context, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);