tsdemux: Add format_identifier for AC4 codec

According to following spec document, add format_identifier for AC4 in tsdemux.

ETSI TS 103 190-2 V1.2.1 : Annex D : AC-4 in MPEG-2 transport stream

diff --git a/gst/mpegtsdemux/gstmpegdesc.h b/gst/mpegtsdemux/gstmpegdesc.h
index e4e6743..65fb44f 100644 (file)
--- a/gst/mpegtsdemux/gstmpegdesc.h
+++ b/gst/mpegtsdemux/gstmpegdesc.h
@@ -234,5 +234,6 @@
 #define DRF_ID_KLVA       0x4b4c5641   /* defined in RP217 */
 #define DRF_ID_OPUS       0x4f707573
 #define DRF_ID_EAC3       0x45414333   /* defined in A/52 Annex G */
+#define DRF_ID_AC4        0x41432D34   /* defined in ETSI TS 103 190-2 Annex D */
 
 #endif /* __GST_MPEG_DESC_H__ */

diff --git a/gst/mpegtsdemux/tsdemux.c b/gst/mpegtsdemux/tsdemux.c
index 5db3f54..61cd85c 100644 (file)
--- a/gst/mpegtsdemux/tsdemux.c
+++ b/gst/mpegtsdemux/tsdemux.c
@@ -1498,6 +1498,10 @@ create_pad_for_stream (MpegTSBase * base, MpegTSBaseStream * bstream,
           caps = gst_caps_new_simple ("meta/x-klv",
               "parsed", G_TYPE_BOOLEAN, TRUE, NULL);
           break;
+        case DRF_ID_AC4:
+          is_audio = TRUE;
+          caps = gst_caps_new_empty_simple ("audio/x-ac4");
+          break;
       }
       if (caps)
         break;