V4L/DVB (8635): v4l: add AC-3 audio support to the MPEG Encoding API

Some models of the saa6752hs support AC-3. Extend the API with the
necessary controls for AC-3.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 350aba2714fc..9054764f4cde 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -911,6 +911,7 @@ enum v4l2_mpeg_audio_encoding {
         V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
         V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
         V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
+        V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
 };
 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE          (V4L2_CID_MPEG_BASE+102)
 enum v4l2_mpeg_audio_l1_bitrate {
@@ -989,6 +990,28 @@ enum v4l2_mpeg_audio_crc {
         V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
 };
 #define V4L2_CID_MPEG_AUDIO_MUTE                (V4L2_CID_MPEG_BASE+109)
+#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE         (V4L2_CID_MPEG_BASE+110)
+enum v4l2_mpeg_audio_ac3_bitrate {
+        V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
+        V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
+};
 
 /*  MPEG video */
 #define V4L2_CID_MPEG_VIDEO_ENCODING            (V4L2_CID_MPEG_BASE+200)