From e6b5da88fb24c5c1e52707faea7c46df09da42f0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil <hverkuil@xs4all.nl> Date: Fri, 8 Aug 2008 07:38:07 -0300 Subject: [PATCH] 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> --- drivers/media/video/v4l2-common.c | 42 +++++++++++++++++++++++++++---- include/linux/videodev2.h | 23 +++++++++++++++++ 2 files changed, 60 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 893ac496c4b4..0a96cc35738c 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, 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)