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authorHans Verkuil <hverkuil@xs4all.nl>2008-08-08 07:38:07 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:36:48 -0200
commite6b5da88fb24c5c1e52707faea7c46df09da42f0 (patch)
tree0ddf04f57c6c1c4da9d986d66f2869250d93a0a5 /drivers
parent188919ac57810e39138749338d5a33ba1e970e23 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/v4l2-common.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 893ac496c4b..0a96cc35738 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -187,10 +187,11 @@ const char **v4l2_ctrl_get_menu(u32 id)
NULL
};
static const char *mpeg_audio_encoding[] = {
- "MPEG-1 Layer I",
- "MPEG-1 Layer II",
- "MPEG-1 Layer III",
- "MPEG-4 AAC",
+ "MPEG-1/2 Layer I",
+ "MPEG-1/2 Layer II",
+ "MPEG-1/2 Layer III",
+ "MPEG-2/4 AAC",
+ "AC-3",
NULL
};
static const char *mpeg_audio_l1_bitrate[] = {
@@ -244,6 +245,28 @@ const char **v4l2_ctrl_get_menu(u32 id)
"320 kbps",
NULL
};
+ static const char *mpeg_audio_ac3_bitrate[] = {
+ "32 kbps",
+ "40 kbps",
+ "48 kbps",
+ "56 kbps",
+ "64 kbps",
+ "80 kbps",
+ "96 kbps",
+ "112 kbps",
+ "128 kbps",
+ "160 kbps",
+ "192 kbps",
+ "224 kbps",
+ "256 kbps",
+ "320 kbps",
+ "384 kbps",
+ "448 kbps",
+ "512 kbps",
+ "576 kbps",
+ "640 kbps",
+ NULL
+ };
static const char *mpeg_audio_mode[] = {
"Stereo",
"Joint Stereo",
@@ -313,6 +336,8 @@ const char **v4l2_ctrl_get_menu(u32 id)
return mpeg_audio_l2_bitrate;
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
return mpeg_audio_l3_bitrate;
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ return mpeg_audio_ac3_bitrate;
case V4L2_CID_MPEG_AUDIO_MODE:
return mpeg_audio_mode;
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
@@ -364,6 +389,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break;
case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break;
case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break;
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: name = "Audio AC-3 Bitrate"; break;
case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break;
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break;
@@ -409,6 +435,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
case V4L2_CID_MPEG_AUDIO_MODE:
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
@@ -495,7 +522,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
case V4L2_CID_MPEG_AUDIO_ENCODING:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
- V4L2_MPEG_AUDIO_ENCODING_AAC, 1,
+ V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
return v4l2_ctrl_query_fill(qctrl,
@@ -512,6 +539,11 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
V4L2_MPEG_AUDIO_L3_BITRATE_32K,
V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
V4L2_MPEG_AUDIO_L3_BITRATE_192K);
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_AC3_BITRATE_32K,
+ V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1,
+ V4L2_MPEG_AUDIO_AC3_BITRATE_384K);
case V4L2_CID_MPEG_AUDIO_MODE:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_MODE_STEREO,