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authorHans Verkuil <hverkuil@xs4all.nl>2006-06-24 14:36:02 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-26 09:21:45 -0300
commit8cbde94be34f95c01515ba19ce32bcd51ab3949e (patch)
treef01514f3cf11dcada4d9e9e68708c0292ebb7fcf /drivers/media/video/cx2341x.c
parent4f725cb3fa46fabe7fd7c7175fa77e12616bfdb8 (diff)
downloadblackbird-op-linux-8cbde94be34f95c01515ba19ce32bcd51ab3949e.tar.gz
blackbird-op-linux-8cbde94be34f95c01515ba19ce32bcd51ab3949e.zip
V4L/DVB (4223): Add V4L2_CID_MPEG_STREAM_VBI_FMT control
V4L2_CID_MPEG_STREAM_VBI_FMT controls if and how VBI data is embedded in an MPEG stream. Currently only one format is supported: the format designed for the ivtv driver. This should be extended with new standard formats (such as defined for DVB) in the future. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx2341x.c')
-rw-r--r--drivers/media/video/cx2341x.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c
index 554813e6f65d..01b22eab5725 100644
--- a/drivers/media/video/cx2341x.c
+++ b/drivers/media/video/cx2341x.c
@@ -43,6 +43,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
const u32 cx2341x_mpeg_ctrls[] = {
V4L2_CID_MPEG_CLASS,
V4L2_CID_MPEG_STREAM_TYPE,
+ V4L2_CID_MPEG_STREAM_VBI_FMT,
V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
V4L2_CID_MPEG_AUDIO_ENCODING,
V4L2_CID_MPEG_AUDIO_L2_BITRATE,
@@ -135,6 +136,9 @@ static int cx2341x_get_ctrl(struct cx2341x_mpeg_params *params,
case V4L2_CID_MPEG_STREAM_TYPE:
ctrl->value = params->stream_type;
break;
+ case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ ctrl->value = params->stream_vbi_fmt;
+ break;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
ctrl->value = params->video_spatial_filter_mode;
break;
@@ -257,6 +261,9 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params,
params->video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
}
break;
+ case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ params->stream_vbi_fmt = ctrl->value;
+ break;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
params->video_spatial_filter_mode = ctrl->value;
break;
@@ -418,6 +425,14 @@ int cx2341x_ctrl_query(struct cx2341x_mpeg_params *params, struct v4l2_queryctrl
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
+ case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI)
+ return v4l2_ctrl_query_fill_std(qctrl);
+ return cx2341x_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE, 1,
+ V4L2_MPEG_STREAM_VBI_FMT_NONE);
+
/* CX23415/6 specific */
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
return cx2341x_ctrl_query_fill(qctrl,
@@ -639,6 +654,7 @@ void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p)
{
static struct cx2341x_mpeg_params default_params = {
/* misc */
+ .capabilities = 0,
.port = CX2341X_PORT_MEMORY,
.width = 720,
.height = 480,
@@ -646,6 +662,7 @@ void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p)
/* stream */
.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
+ .stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE,
/* audio */
.audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
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