diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-08-08 07:38:07 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:36:48 -0200 |
| commit | e6b5da88fb24c5c1e52707faea7c46df09da42f0 (patch) | |
| tree | 0ddf04f57c6c1c4da9d986d66f2869250d93a0a5 /drivers/media | |
| parent | 188919ac57810e39138749338d5a33ba1e970e23 (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/media')
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 42 |
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, |