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gfiber / kernel / skids / master / . / drivers / media / video / cx2341x.c
blob: 2bf44ef10fec2dfb870971535b6f21454ce609b9 [file] [log] [blame]
/*
* cx2341x - generic code for cx23415/6/8 based devices
*
* Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#include <media/tuner.h>
#include <media/cx2341x.h>
#include <media/v4l2-common.h>
MODULE_DESCRIPTION("cx23415/6/8 driver");
MODULE_AUTHOR("Hans Verkuil");
MODULE_LICENSE("GPL");
static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
/* Must be sorted from low to high control ID! */
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,
V4L2_CID_MPEG_AUDIO_MODE,
V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
V4L2_CID_MPEG_AUDIO_EMPHASIS,
V4L2_CID_MPEG_AUDIO_CRC,
V4L2_CID_MPEG_AUDIO_MUTE,
V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
V4L2_CID_MPEG_VIDEO_ENCODING,
V4L2_CID_MPEG_VIDEO_ASPECT,
V4L2_CID_MPEG_VIDEO_B_FRAMES,
V4L2_CID_MPEG_VIDEO_GOP_SIZE,
V4L2_CID_MPEG_VIDEO_GOP_CLOSURE,
V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
V4L2_CID_MPEG_VIDEO_BITRATE,
V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION,
V4L2_CID_MPEG_VIDEO_MUTE,
V4L2_CID_MPEG_VIDEO_MUTE_YUV,
V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS,
0
};
EXPORT_SYMBOL(cx2341x_mpeg_ctrls);
static const struct cx2341x_mpeg_params default_params = {
/* misc */
.capabilities = 0,
.port = CX2341X_PORT_MEMORY,
.width = 720,
.height = 480,
.is_50hz = 0,
/* stream */
.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
.stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE,
.stream_insert_nav_packets = 0,
/* audio */
.audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
.audio_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
.audio_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_224K,
.audio_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_224K,
.audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO,
.audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
.audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE,
.audio_crc = V4L2_MPEG_AUDIO_CRC_NONE,
.audio_mute = 0,
/* video */
.video_encoding = V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
.video_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3,
.video_b_frames = 2,
.video_gop_size = 12,
.video_gop_closure = 1,
.video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
.video_bitrate = 6000000,
.video_bitrate_peak = 8000000,
.video_temporal_decimation = 0,
.video_mute = 0,
.video_mute_yuv = 0x008080, /* YCbCr value for black */
/* encoding filters */
.video_spatial_filter_mode =
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
.video_spatial_filter = 0,
.video_luma_spatial_filter_type =
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR,
.video_chroma_spatial_filter_type =
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
.video_temporal_filter_mode =
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
.video_temporal_filter = 8,
.video_median_filter_type =
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
.video_luma_median_filter_top = 255,
.video_luma_median_filter_bottom = 0,
.video_chroma_median_filter_top = 255,
.video_chroma_median_filter_bottom = 0,
};
/* Map the control ID to the correct field in the cx2341x_mpeg_params
struct. Return -EINVAL if the ID is unknown, else return 0. */
static int cx2341x_get_ctrl(const struct cx2341x_mpeg_params *params,
struct v4l2_ext_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
ctrl->value = params->audio_sampling_freq;
break;
case V4L2_CID_MPEG_AUDIO_ENCODING:
ctrl->value = params->audio_encoding;
break;
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
ctrl->value = params->audio_l2_bitrate;
break;
case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
ctrl->value = params->audio_ac3_bitrate;
break;
case V4L2_CID_MPEG_AUDIO_MODE:
ctrl->value = params->audio_mode;
break;
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
ctrl->value = params->audio_mode_extension;
break;
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
ctrl->value = params->audio_emphasis;
break;
case V4L2_CID_MPEG_AUDIO_CRC:
ctrl->value = params->audio_crc;
break;
case V4L2_CID_MPEG_AUDIO_MUTE:
ctrl->value = params->audio_mute;
break;
case V4L2_CID_MPEG_VIDEO_ENCODING:
ctrl->value = params->video_encoding;
break;
case V4L2_CID_MPEG_VIDEO_ASPECT:
ctrl->value = params->video_aspect;
break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
ctrl->value = params->video_b_frames;
break;
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
ctrl->value = params->video_gop_size;
break;
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
ctrl->value = params->video_gop_closure;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
ctrl->value = params->video_bitrate_mode;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE:
ctrl->value = params->video_bitrate;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
ctrl->value = params->video_bitrate_peak;
break;
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
ctrl->value = params->video_temporal_decimation;
break;
case V4L2_CID_MPEG_VIDEO_MUTE:
ctrl->value = params->video_mute;
break;
case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
ctrl->value = params->video_mute_yuv;
break;
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;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
ctrl->value = params->video_spatial_filter;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
ctrl->value = params->video_luma_spatial_filter_type;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
ctrl->value = params->video_chroma_spatial_filter_type;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
ctrl->value = params->video_temporal_filter_mode;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
ctrl->value = params->video_temporal_filter;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
ctrl->value = params->video_median_filter_type;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
ctrl->value = params->video_luma_median_filter_top;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
ctrl->value = params->video_luma_median_filter_bottom;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
ctrl->value = params->video_chroma_median_filter_top;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
ctrl->value = params->video_chroma_median_filter_bottom;
break;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
ctrl->value = params->stream_insert_nav_packets;
break;
default:
return -EINVAL;
}
return 0;
}
/* Map the control ID to the correct field in the cx2341x_mpeg_params
struct. Return -EINVAL if the ID is unknown, else return 0. */
static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy,
struct v4l2_ext_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
if (busy)
return -EBUSY;
params->audio_sampling_freq = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_ENCODING:
if (busy)
return -EBUSY;
if (params->capabilities & CX2341X_CAP_HAS_AC3)
if (ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 &&
ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3)
return -ERANGE;
params->audio_encoding = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
if (busy)
return -EBUSY;
params->audio_l2_bitrate = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
if (busy)
return -EBUSY;
if (!(params->capabilities & CX2341X_CAP_HAS_AC3))
return -EINVAL;
params->audio_ac3_bitrate = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_MODE:
params->audio_mode = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
params->audio_mode_extension = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
params->audio_emphasis = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_CRC:
params->audio_crc = ctrl->value;
break;
case V4L2_CID_MPEG_AUDIO_MUTE:
params->audio_mute = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_ASPECT:
params->video_aspect = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES: {
int b = ctrl->value + 1;
int gop = params->video_gop_size;
params->video_b_frames = ctrl->value;
params->video_gop_size = b * ((gop + b - 1) / b);
/* Max GOP size = 34 */
while (params->video_gop_size > 34)
params->video_gop_size -= b;
break;
}
case V4L2_CID_MPEG_VIDEO_GOP_SIZE: {
int b = params->video_b_frames + 1;
int gop = ctrl->value;
params->video_gop_size = b * ((gop + b - 1) / b);
/* Max GOP size = 34 */
while (params->video_gop_size > 34)
params->video_gop_size -= b;
ctrl->value = params->video_gop_size;
break;
}
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
params->video_gop_closure = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
if (busy)
return -EBUSY;
/* MPEG-1 only allows CBR */
if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1 &&
ctrl->value != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
return -EINVAL;
params->video_bitrate_mode = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE:
if (busy)
return -EBUSY;
params->video_bitrate = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
if (busy)
return -EBUSY;
params->video_bitrate_peak = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
params->video_temporal_decimation = ctrl->value;
break;
case V4L2_CID_MPEG_VIDEO_MUTE:
params->video_mute = (ctrl->value != 0);
break;
case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
params->video_mute_yuv = ctrl->value;
break;
case V4L2_CID_MPEG_STREAM_TYPE:
if (busy)
return -EBUSY;
params->stream_type = ctrl->value;
params->video_encoding =
(params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_SS ||
params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ?
V4L2_MPEG_VIDEO_ENCODING_MPEG_1 :
V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
/* MPEG-1 implies CBR */
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;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
params->video_spatial_filter = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
params->video_luma_spatial_filter_type = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
params->video_chroma_spatial_filter_type = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
params->video_temporal_filter_mode = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
params->video_temporal_filter = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
params->video_median_filter_type = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
params->video_luma_median_filter_top = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
params->video_luma_median_filter_bottom = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
params->video_chroma_median_filter_top = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
params->video_chroma_median_filter_bottom = ctrl->value;
break;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
params->stream_insert_nav_packets = ctrl->value;
break;
default:
return -EINVAL;
}
return 0;
}
static int cx2341x_ctrl_query_fill(struct v4l2_queryctrl *qctrl,
s32 min, s32 max, s32 step, s32 def)
{
const char *name;
qctrl->flags = 0;
switch (qctrl->id) {
/* MPEG controls */
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
name = "Spatial Filter Mode";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
name = "Spatial Filter";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
name = "Spatial Luma Filter Type";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
name = "Spatial Chroma Filter Type";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
name = "Temporal Filter Mode";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
name = "Temporal Filter";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
name = "Median Filter Type";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
name = "Median Luma Filter Maximum";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
name = "Median Luma Filter Minimum";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
name = "Median Chroma Filter Maximum";
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
name = "Median Chroma Filter Minimum";
break;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
name = "Insert Navigation Packets";
break;
default:
return v4l2_ctrl_query_fill(qctrl, min, max, step, def);
}
switch (qctrl->id) {
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
qctrl->type = V4L2_CTRL_TYPE_MENU;
min = 0;
step = 1;
break;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
min = 0;
max = 1;
step = 1;
break;
default:
qctrl->type = V4L2_CTRL_TYPE_INTEGER;
break;
}
switch (qctrl->id) {
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
qctrl->flags |= V4L2_CTRL_FLAG_UPDATE;
break;
}
qctrl->minimum = min;
qctrl->maximum = max;
qctrl->step = step;
qctrl->default_value = def;
qctrl->reserved[0] = qctrl->reserved[1] = 0;
snprintf(qctrl->name, sizeof(qctrl->name), name);
return 0;
}
int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
struct v4l2_queryctrl *qctrl)
{
int err;
switch (qctrl->id) {
case V4L2_CID_MPEG_CLASS:
return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
case V4L2_CID_MPEG_STREAM_TYPE:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
case V4L2_CID_MPEG_STREAM_VBI_FMT:
if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI)
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_STREAM_VBI_FMT_NONE,
V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
V4L2_MPEG_STREAM_VBI_FMT_NONE);
return cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_STREAM_VBI_FMT_NONE,
V4L2_MPEG_STREAM_VBI_FMT_NONE, 1,
default_params.stream_vbi_fmt);
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
case V4L2_CID_MPEG_AUDIO_ENCODING:
if (params->capabilities & CX2341X_CAP_HAS_AC3) {
/*
* The state of L2 & AC3 bitrate controls can change
* when this control changes, but v4l2_ctrl_query_fill()
* already sets V4L2_CTRL_FLAG_UPDATE for
* V4L2_CID_MPEG_AUDIO_ENCODING, so we don't here.
*/
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
default_params.audio_encoding);
}
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1,
default_params.audio_encoding);
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_L2_BITRATE_192K,
V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
default_params.audio_l2_bitrate);
if (err)
return err;
if (params->capabilities & CX2341X_CAP_HAS_AC3 &&
params->audio_encoding != V4L2_MPEG_AUDIO_ENCODING_LAYER_2)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_AUDIO_MODE:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_MODE_STEREO,
V4L2_MPEG_AUDIO_MODE_MONO, 1,
V4L2_MPEG_AUDIO_MODE_STEREO);
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
if (err == 0 &&
params->audio_mode != V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_EMPHASIS_NONE,
V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
V4L2_MPEG_AUDIO_EMPHASIS_NONE);
case V4L2_CID_MPEG_AUDIO_CRC:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_CRC_NONE,
V4L2_MPEG_AUDIO_CRC_CRC16, 1,
V4L2_MPEG_AUDIO_CRC_NONE);
case V4L2_CID_MPEG_AUDIO_MUTE:
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_AUDIO_AC3_BITRATE_48K,
V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 1,
default_params.audio_ac3_bitrate);
if (err)
return err;
if (params->capabilities & CX2341X_CAP_HAS_AC3) {
if (params->audio_encoding !=
V4L2_MPEG_AUDIO_ENCODING_AC3)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
} else
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
case V4L2_CID_MPEG_VIDEO_ENCODING:
/* this setting is read-only for the cx2341x since the
V4L2_CID_MPEG_STREAM_TYPE really determines the
MPEG-1/2 setting */
err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
if (err == 0)
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
return err;
case V4L2_CID_MPEG_VIDEO_ASPECT:
return v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_VIDEO_ASPECT_1x1,
V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
V4L2_MPEG_VIDEO_ASPECT_4x3);
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
return v4l2_ctrl_query_fill(qctrl, 1, 34, 1,
params->is_50hz ? 12 : 15);
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
err = v4l2_ctrl_query_fill(qctrl,
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
if (err == 0 &&
params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
case V4L2_CID_MPEG_VIDEO_BITRATE:
return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
if (err == 0 &&
params->video_bitrate_mode ==
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return err;
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
case V4L2_CID_MPEG_VIDEO_MUTE:
return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */
return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
/* CX23415/6 specific */
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
return cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 1,
default_params.video_spatial_filter_mode);
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
cx2341x_ctrl_query_fill(qctrl, 0, 15, 1,
default_params.video_spatial_filter);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_spatial_filter_mode ==
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE,
1,
default_params.video_luma_spatial_filter_type);
if (params->video_spatial_filter_mode ==
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
1,
default_params.video_chroma_spatial_filter_type);
if (params->video_spatial_filter_mode ==
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
return cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, 1,
default_params.video_temporal_filter_mode);
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
cx2341x_ctrl_query_fill(qctrl, 0, 31, 1,
default_params.video_temporal_filter);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_temporal_filter_mode ==
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
return cx2341x_ctrl_query_fill(qctrl,
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, 1,
default_params.video_median_filter_type);
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
default_params.video_luma_median_filter_top);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_median_filter_type ==
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
default_params.video_luma_median_filter_bottom);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_median_filter_type ==
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
default_params.video_chroma_median_filter_top);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_median_filter_type ==
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
default_params.video_chroma_median_filter_bottom);
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
if (params->video_median_filter_type ==
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
return 0;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
return cx2341x_ctrl_query_fill(qctrl, 0, 1, 1,
default_params.stream_insert_nav_packets);
default:
return -EINVAL;
}
}
EXPORT_SYMBOL(cx2341x_ctrl_query);
const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
{
static const char *mpeg_stream_type_without_ts[] = {
"MPEG-2 Program Stream",
"",
"MPEG-1 System Stream",
"MPEG-2 DVD-compatible Stream",
"MPEG-1 VCD-compatible Stream",
"MPEG-2 SVCD-compatible Stream",
NULL
};
static const char *mpeg_stream_type_with_ts[] = {
"MPEG-2 Program Stream",
"MPEG-2 Transport Stream",
"MPEG-1 System Stream",
"MPEG-2 DVD-compatible Stream",
"MPEG-1 VCD-compatible Stream",
"MPEG-2 SVCD-compatible Stream",
NULL
};
static const char *mpeg_audio_encoding_l2_ac3[] = {
"",
"MPEG-1/2 Layer II",
"",
"",
"AC-3",
NULL
};
static const char *cx2341x_video_spatial_filter_mode_menu[] = {
"Manual",
"Auto",
NULL
};
static const char *cx2341x_video_luma_spatial_filter_type_menu[] = {
"Off",
"1D Horizontal",
"1D Vertical",
"2D H/V Separable",
"2D Symmetric non-separable",
NULL
};
static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = {
"Off",
"1D Horizontal",
NULL
};
static const char *cx2341x_video_temporal_filter_mode_menu[] = {
"Manual",
"Auto",
NULL
};
static const char *cx2341x_video_median_filter_type_menu[] = {
"Off",
"Horizontal",
"Vertical",
"Horizontal/Vertical",
"Diagonal",
NULL
};
switch (id) {
case V4L2_CID_MPEG_STREAM_TYPE:
return (p->capabilities & CX2341X_CAP_HAS_TS) ?
mpeg_stream_type_with_ts : mpeg_stream_type_without_ts;
case V4L2_CID_MPEG_AUDIO_ENCODING:
return (p->capabilities & CX2341X_CAP_HAS_AC3) ?
mpeg_audio_encoding_l2_ac3 : v4l2_ctrl_get_menu(id);
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
return NULL;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
return cx2341x_video_spatial_filter_mode_menu;
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
return cx2341x_video_luma_spatial_filter_type_menu;
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
return cx2341x_video_chroma_spatial_filter_type_menu;
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
return cx2341x_video_temporal_filter_mode_menu;
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
return cx2341x_video_median_filter_type_menu;
default:
return v4l2_ctrl_get_menu(id);
}
}
EXPORT_SYMBOL(cx2341x_ctrl_get_menu);
/* definitions for audio properties bits 29-28 */
#define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0
#define CX2341X_AUDIO_ENCODING_METHOD_AC3 1
#define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2
static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params)
{
params->audio_properties =
(params->audio_sampling_freq << 0) |
(params->audio_mode << 8) |
(params->audio_mode_extension << 10) |
(((params->audio_emphasis == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17)
? 3 : params->audio_emphasis) << 12) |
(params->audio_crc << 14);
if ((params->capabilities & CX2341X_CAP_HAS_AC3) &&
params->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) {
params->audio_properties |=
/* Not sure if this MPEG Layer II setting is required */
((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) |
(params->audio_ac3_bitrate << 4) |
(CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28);
} else {
/* Assuming MPEG Layer II */
params->audio_properties |=
((3 - params->audio_encoding) << 2) |
((1 + params->audio_l2_bitrate) << 4);
}
}
int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
struct v4l2_ext_controls *ctrls, unsigned int cmd)
{
int err = 0;
int i;
if (cmd == VIDIOC_G_EXT_CTRLS) {
for (i = 0; i < ctrls->count; i++) {
struct v4l2_ext_control *ctrl = ctrls->controls + i;
err = cx2341x_get_ctrl(params, ctrl);
if (err) {
ctrls->error_idx = i;
break;
}
}
return err;
}
for (i = 0; i < ctrls->count; i++) {
struct v4l2_ext_control *ctrl = ctrls->controls + i;
struct v4l2_queryctrl qctrl;
const char **menu_items = NULL;
qctrl.id = ctrl->id;
err = cx2341x_ctrl_query(params, &qctrl);
if (err)
break;
if (qctrl.type == V4L2_CTRL_TYPE_MENU)
menu_items = cx2341x_ctrl_get_menu(params, qctrl.id);
err = v4l2_ctrl_check(ctrl, &qctrl, menu_items);
if (err)
break;
err = cx2341x_set_ctrl(params, busy, ctrl);
if (err)
break;
}
if (err == 0 &&
params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
params->video_bitrate_peak < params->video_bitrate) {
err = -ERANGE;
ctrls->error_idx = ctrls->count;
}
if (err)
ctrls->error_idx = i;
else
cx2341x_calc_audio_properties(params);
return err;
}
EXPORT_SYMBOL(cx2341x_ext_ctrls);
void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p)
{
*p = default_params;
cx2341x_calc_audio_properties(p);
}
EXPORT_SYMBOL(cx2341x_fill_defaults);
static int cx2341x_api(void *priv, cx2341x_mbox_func func,
u32 cmd, int args, ...)
{
u32 data[CX2341X_MBOX_MAX_DATA];
va_list vargs;
int i;
va_start(vargs, args);
for (i = 0; i < args; i++)
data[i] = va_arg(vargs, int);
va_end(vargs);
return func(priv, cmd, args, 0, data);
}
#define NEQ(field) (old->field != new->field)
int cx2341x_update(void *priv, cx2341x_mbox_func func,
const struct cx2341x_mpeg_params *old,
const struct cx2341x_mpeg_params *new)
{
static int mpeg_stream_type[] = {
0, /* MPEG-2 PS */
1, /* MPEG-2 TS */
2, /* MPEG-1 SS */
14, /* DVD */
11, /* VCD */
12, /* SVCD */
};
int err = 0;
int force = (old == NULL);
u16 temporal = new->video_temporal_filter;
cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0);
if (force || NEQ(is_50hz)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1,
new->is_50hz);
if (err) return err;
}
if (force || NEQ(width) || NEQ(height) || NEQ(video_encoding)) {
u16 w = new->width;
u16 h = new->height;
if (new->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) {
w /= 2;
h /= 2;
}
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_SIZE, 2,
h, w);
if (err) return err;
}
if (force || NEQ(stream_type)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1,
mpeg_stream_type[new->stream_type]);
if (err) return err;
}
if (force || NEQ(video_aspect)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1,
1 + new->video_aspect);
if (err) return err;
}
if (force || NEQ(video_b_frames) || NEQ(video_gop_size)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_PROPERTIES, 2,
new->video_gop_size, new->video_b_frames + 1);
if (err) return err;
}
if (force || NEQ(video_gop_closure)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1,
new->video_gop_closure);
if (err) return err;
}
if (force || NEQ(audio_properties)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES,
1, new->audio_properties);
if (err) return err;
}
if (force || NEQ(audio_mute)) {
err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1,
new->audio_mute);
if (err) return err;
}
if (force || NEQ(video_bitrate_mode) || NEQ(video_bitrate) ||
NEQ(video_bitrate_peak)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_BIT_RATE, 5,
new->video_bitrate_mode, new->video_bitrate,
new->video_bitrate_peak / 400, 0, 0);
if (err) return err;
}
if (force || NEQ(video_spatial_filter_mode) ||
NEQ(video_temporal_filter_mode) ||
NEQ(video_median_filter_type)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_MODE,
2, new->video_spatial_filter_mode |
(new->video_temporal_filter_mode << 1),
new->video_median_filter_type);
if (err) return err;
}
if (force || NEQ(video_luma_median_filter_bottom) ||
NEQ(video_luma_median_filter_top) ||
NEQ(video_chroma_median_filter_bottom) ||
NEQ(video_chroma_median_filter_top)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_CORING_LEVELS, 4,
new->video_luma_median_filter_bottom,
new->video_luma_median_filter_top,
new->video_chroma_median_filter_bottom,
new->video_chroma_median_filter_top);
if (err) return err;
}
if (force || NEQ(video_luma_spatial_filter_type) ||
NEQ(video_chroma_spatial_filter_type)) {
err = cx2341x_api(priv, func,
CX2341X_ENC_SET_SPATIAL_FILTER_TYPE,
2, new->video_luma_spatial_filter_type,
new->video_chroma_spatial_filter_type);
if (err) return err;
}
if (force || NEQ(video_spatial_filter) ||
old->video_temporal_filter != temporal) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS,
2, new->video_spatial_filter, temporal);
if (err) return err;
}
if (force || NEQ(video_temporal_decimation)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE,
1, new->video_temporal_decimation);
if (err) return err;
}
if (force || NEQ(video_mute) ||
(new->video_mute && NEQ(video_mute_yuv))) {
err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_VIDEO, 1,
new->video_mute | (new->video_mute_yuv << 8));
if (err) return err;
}
if (force || NEQ(stream_insert_nav_packets)) {
err = cx2341x_api(priv, func, CX2341X_ENC_MISC, 2,
7, new->stream_insert_nav_packets);
if (err) return err;
}
return 0;
}
EXPORT_SYMBOL(cx2341x_update);
static const char *cx2341x_menu_item(const struct cx2341x_mpeg_params *p, u32 id)
{
const char **menu = cx2341x_ctrl_get_menu(p, id);
struct v4l2_ext_control ctrl;
if (menu == NULL)
goto invalid;
ctrl.id = id;
if (cx2341x_get_ctrl(p, &ctrl))
goto invalid;
while (ctrl.value-- && *menu) menu++;
if (*menu == NULL)
goto invalid;
return *menu;
invalid:
return "<invalid>";
}
void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
{
int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
/* Stream */
printk(KERN_INFO "%s: Stream: %s",
prefix,
cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE));
if (p->stream_insert_nav_packets)
printk(" (with navigation packets)");
printk("\n");
printk(KERN_INFO "%s: VBI Format: %s\n",
prefix,
cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_VBI_FMT));
/* Video */
printk(KERN_INFO "%s: Video: %dx%d, %d fps%s\n",
prefix,
p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1),
p->is_50hz ? 25 : 30,
(p->video_mute) ? " (muted)" : "");
printk(KERN_INFO "%s: Video: %s, %s, %s, %d",
prefix,
cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING),
cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ASPECT),
cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE),
p->video_bitrate);
if (p->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
printk(", Peak %d", p->video_bitrate_peak);
printk("\n");
printk(KERN_INFO
"%s: Video: GOP Size %d, %d B-Frames, %sGOP Closure\n",
prefix,
p->video_gop_size, p->video_b_frames,
p->video_gop_closure ? "" : "No ");
if (p->video_temporal_decimation)
printk(KERN_INFO "%s: Video: Temporal Decimation %d\n",
prefix, p->video_temporal_decimation);
/* Audio */
printk(KERN_INFO "%s: Audio: %s, %s, %s, %s%s",
prefix,
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ),
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING),
cx2341x_menu_item(p,
p->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3
? V4L2_CID_MPEG_AUDIO_AC3_BITRATE
: V4L2_CID_MPEG_AUDIO_L2_BITRATE),
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE),
p->audio_mute ? " (muted)" : "");
if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
printk(", %s", cx2341x_menu_item(p,
V4L2_CID_MPEG_AUDIO_MODE_EXTENSION));
printk(", %s, %s\n",
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_EMPHASIS),
cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC));
/* Encoding filters */
printk(KERN_INFO "%s: Spatial Filter: %s, Luma %s, Chroma %s, %d\n",
prefix,
cx2341x_menu_item(p,
V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE),
cx2341x_menu_item(p,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE),
cx2341x_menu_item(p,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE),
p->video_spatial_filter);
printk(KERN_INFO "%s: Temporal Filter: %s, %d\n",
prefix,
cx2341x_menu_item(p,
V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE),
p->video_temporal_filter);
printk(KERN_INFO
"%s: Median Filter: %s, Luma [%d, %d], Chroma [%d, %d]\n",
prefix,
cx2341x_menu_item(p,
V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE),
p->video_luma_median_filter_bottom,
p->video_luma_median_filter_top,
p->video_chroma_median_filter_bottom,
p->video_chroma_median_filter_top);
}
EXPORT_SYMBOL(cx2341x_log_status);
/*
* Local variables:
* c-basic-offset: 8
* End:
*/