libfdk-aacenc: Enable 7.1 channel encoding

[ffmpeg] / libavcodec / libfdk-aacenc.c

diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
index 48271692c4e0c09e00b564321e238b23bbfec7b7..0cd7e94e3f8a0eff0d2ccd0a95e7d23ab4ac5025 100644 (file)
--- a/libavcodec/libfdk-aacenc.c
+++ b/libavcodec/libfdk-aacenc.c
@@ -151,6 +151,20 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     case 4: mode = MODE_1_2_1;   sce = 2; cpe = 1; break;
     case 5: mode = MODE_1_2_2;   sce = 1; cpe = 2; break;
     case 6: mode = MODE_1_2_2_1; sce = 2; cpe = 2; break;
+/* The version macro is introduced the same time as the 7.1 support, so this
+   should suffice. */
+#ifdef AACENCODER_LIB_VL0
+    case 8:
+        sce = 2;
+        cpe = 3;
+        if (avctx->channel_layout == AV_CH_LAYOUT_7POINT1) {
+            mode = MODE_7_1_REAR_SURROUND;
+        } else {
+            // MODE_1_2_2_2_1 and MODE_7_1_FRONT_CENTER use the same channel layout
+            mode = MODE_7_1_FRONT_CENTER;
+        }
+        break;
+#endif
     default:
         av_log(avctx, AV_LOG_ERROR,
                "Unsupported number of channels %d\n", avctx->channels);
@@ -386,6 +400,10 @@ static const uint64_t aac_channel_layout[] = {
     AV_CH_LAYOUT_4POINT0,
     AV_CH_LAYOUT_5POINT0_BACK,
     AV_CH_LAYOUT_5POINT1_BACK,
+#ifdef AACENCODER_LIB_VL0
+    AV_CH_LAYOUT_7POINT1_WIDE_BACK,
+    AV_CH_LAYOUT_7POINT1,
+#endif
     0,
 };