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linuxdebug/drivers/media/common/cx2341x.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* cx2341x - generic code for cx23415/6/8 based devices
*
* Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl>
*/
#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/drv-intf/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)");
/********************** COMMON CODE *********************/
/* 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 const char *cx2341x_get_name(u32 id)
{
switch (id) {
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
return "Spatial Filter Mode";
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
return "Spatial Filter";
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
return "Spatial Luma Filter Type";
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
return "Spatial Chroma Filter Type";
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
return "Temporal Filter Mode";
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
return "Temporal Filter";
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
return "Median Filter Type";
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
return "Median Luma Filter Maximum";
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
return "Median Luma Filter Minimum";
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
return "Median Chroma Filter Maximum";
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
return "Median Chroma Filter Minimum";
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
return "Insert Navigation Packets";
}
return NULL;
}
static const char **cx2341x_get_menu(u32 id)
{
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_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;
}
return NULL;
}
static void cx2341x_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags)
{
*name = cx2341x_get_name(id);
*flags = 0;
switch (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:
*type = V4L2_CTRL_TYPE_MENU;
*min = 0;
*step = 0;
break;
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
*type = V4L2_CTRL_TYPE_BOOLEAN;
*min = 0;
*max = *step = 1;
break;
default:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
}
switch (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:
*flags |= V4L2_CTRL_FLAG_UPDATE;
break;
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
*flags |= V4L2_CTRL_FLAG_SLIDER;
break;
case V4L2_CID_MPEG_VIDEO_ENCODING:
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
}
}
/********************** OLD CODE *********************/
/* Must be sorted from low to high control ID! */
const u32 cx2341x_mpeg_ctrls[] = {
V4L2_CID_CODEC_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;
switch (qctrl->id) {
/* MPEG controls */
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
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_TEMPORAL_FILTER:
case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
cx2341x_ctrl_fill(qctrl->id, &name, &qctrl->type,
&min, &max, &step, &def, &qctrl->flags);
qctrl->minimum = min;
qctrl->maximum = max;
qctrl->step = step;
qctrl->default_value = def;
qctrl->reserved[0] = qctrl->reserved[1] = 0;
strscpy(qctrl->name, name, sizeof(qctrl->name));
return 0;
default:
return v4l2_ctrl_query_fill(qctrl, min, max, step, def);
}
}
int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
struct v4l2_queryctrl *qctrl)
{
int err;
switch (qctrl->id) {
case V4L2_CID_CODEC_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 * const *cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
{
static const char * const 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
};
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:
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:
return cx2341x_get_menu(id);
default:
return v4l2_ctrl_get_menu(id);
}
}
EXPORT_SYMBOL(cx2341x_ctrl_get_menu);
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);
}
}
/* Check for correctness of the ctrl's value based on the data from
struct v4l2_queryctrl and the available menu items. Note that
menu_items may be NULL, in that case it is ignored. */
static int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
const char * const *menu_items)
{
if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
return -EINVAL;
if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
return -EBUSY;
if (qctrl->type == V4L2_CTRL_TYPE_STRING)
return 0;
if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
return 0;
if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
return -ERANGE;
if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
if (menu_items[ctrl->value] == NULL ||
menu_items[ctrl->value][0] == '\0')
return -EINVAL;
}
if (qctrl->type == V4L2_CTRL_TYPE_BITMASK &&
(ctrl->value & ~qctrl->maximum))
return -ERANGE;
return 0;
}
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 * const *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 CMP_FIELD(__old, __new, __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;
cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0);
if (!old ||
CMP_FIELD(old, new, is_50hz)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1,
new->is_50hz);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, width) ||
CMP_FIELD(old, new, height) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, stream_type)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1,
mpeg_stream_type[new->stream_type]);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, video_aspect)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1,
1 + new->video_aspect);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, video_b_frames) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, video_gop_closure)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1,
new->video_gop_closure);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, audio_properties)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES,
1, new->audio_properties);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, audio_mute)) {
err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1,
new->audio_mute);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, video_bitrate_mode) ||
CMP_FIELD(old, new, video_bitrate) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, video_spatial_filter_mode) ||
CMP_FIELD(old, new, video_temporal_filter_mode) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, video_luma_median_filter_bottom) ||
CMP_FIELD(old, new, video_luma_median_filter_top) ||
CMP_FIELD(old, new, video_chroma_median_filter_bottom) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, video_luma_spatial_filter_type) ||
CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, video_spatial_filter) ||
CMP_FIELD(old, new, video_temporal_filter)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS,
2, new->video_spatial_filter,
new->video_temporal_filter);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, video_temporal_decimation)) {
err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE,
1, new->video_temporal_decimation);
if (err)
return err;
}
if (!old ||
CMP_FIELD(old, new, video_mute) ||
(new->video_mute && CMP_FIELD(old, new, 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 (!old ||
CMP_FIELD(old, new, 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 * const *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(KERN_CONT " (with navigation packets)");
printk(KERN_CONT "\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(KERN_CONT ", Peak %d", p->video_bitrate_peak);
printk(KERN_CONT "\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(KERN_CONT ", %s", cx2341x_menu_item(p,
V4L2_CID_MPEG_AUDIO_MODE_EXTENSION));
printk(KERN_CONT ", %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);
/********************** NEW CODE *********************/
static inline struct cx2341x_handler *to_cxhdl(struct v4l2_ctrl *ctrl)
{
return container_of(ctrl->handler, struct cx2341x_handler, hdl);
}
static int cx2341x_hdl_api(struct cx2341x_handler *hdl,
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 hdl->func(hdl->priv, cmd, args, 0, data);
}
/* ctrl->handler->lock is held, so it is safe to access cur.val */
static inline int cx2341x_neq(struct v4l2_ctrl *ctrl)
{
return ctrl && ctrl->val != ctrl->cur.val;
}
static int cx2341x_try_ctrl(struct v4l2_ctrl *ctrl)
{
struct cx2341x_handler *hdl = to_cxhdl(ctrl);
s32 val = ctrl->val;
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_B_FRAMES: {
/* video gop cluster */
int b = val + 1;
int gop = hdl->video_gop_size->val;
gop = b * ((gop + b - 1) / b);
/* Max GOP size = 34 */
while (gop > 34)
gop -= b;
hdl->video_gop_size->val = gop;
break;
}
case V4L2_CID_MPEG_STREAM_TYPE:
/* stream type cluster */
hdl->video_encoding->val =
(hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_SS ||
hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ?
V4L2_MPEG_VIDEO_ENCODING_MPEG_1 :
V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
if (hdl->video_encoding->val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
/* MPEG-1 implies CBR */
hdl->video_bitrate_mode->val =
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
/* peak bitrate shall be >= normal bitrate */
if (hdl->video_bitrate_mode->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
hdl->video_bitrate_peak->val < hdl->video_bitrate->val)
hdl->video_bitrate_peak->val = hdl->video_bitrate->val;
break;
}
return 0;
}
static int cx2341x_s_ctrl(struct v4l2_ctrl *ctrl)
{
static const int mpeg_stream_type[] = {
0, /* MPEG-2 PS */
1, /* MPEG-2 TS */
2, /* MPEG-1 SS */
14, /* DVD */
11, /* VCD */
12, /* SVCD */
};
struct cx2341x_handler *hdl = to_cxhdl(ctrl);
s32 val = ctrl->val;
u32 props;
int err;
switch (ctrl->id) {
case V4L2_CID_MPEG_STREAM_VBI_FMT:
if (hdl->ops && hdl->ops->s_stream_vbi_fmt)
return hdl->ops->s_stream_vbi_fmt(hdl, val);
return 0;
case V4L2_CID_MPEG_VIDEO_ASPECT:
return cx2341x_hdl_api(hdl,
CX2341X_ENC_SET_ASPECT_RATIO, 1, val + 1);
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_CLOSURE, 1, val);
case V4L2_CID_MPEG_AUDIO_MUTE:
return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_AUDIO, 1, val);
case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
return cx2341x_hdl_api(hdl,
CX2341X_ENC_SET_FRAME_DROP_RATE, 1, val);
case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
return cx2341x_hdl_api(hdl, CX2341X_ENC_MISC, 2, 7, val);
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
/* audio properties cluster */
props = (hdl->audio_sampling_freq->val << 0) |
(hdl->audio_mode->val << 8) |
(hdl->audio_mode_extension->val << 10) |
(hdl->audio_crc->val << 14);
if (hdl->audio_emphasis->val == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17)
props |= 3 << 12;
else
props |= hdl->audio_emphasis->val << 12;
if (hdl->audio_encoding->val == V4L2_MPEG_AUDIO_ENCODING_AC3) {
props |=
#if 1
/* Not sure if this MPEG Layer II setting is required */
((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) |
#endif
(hdl->audio_ac3_bitrate->val << 4) |
(CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28);
} else {
/* Assuming MPEG Layer II */
props |=
((3 - hdl->audio_encoding->val) << 2) |
((1 + hdl->audio_l2_bitrate->val) << 4);
}
err = cx2341x_hdl_api(hdl,
CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, props);
if (err)
return err;
hdl->audio_properties = props;
if (hdl->audio_ac3_bitrate) {
int is_ac3 = hdl->audio_encoding->val ==
V4L2_MPEG_AUDIO_ENCODING_AC3;
v4l2_ctrl_activate(hdl->audio_ac3_bitrate, is_ac3);
v4l2_ctrl_activate(hdl->audio_l2_bitrate, !is_ac3);
}
v4l2_ctrl_activate(hdl->audio_mode_extension,
hdl->audio_mode->val == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO);
if (cx2341x_neq(hdl->audio_sampling_freq) &&
hdl->ops && hdl->ops->s_audio_sampling_freq)
return hdl->ops->s_audio_sampling_freq(hdl, hdl->audio_sampling_freq->val);
if (cx2341x_neq(hdl->audio_mode) &&
hdl->ops && hdl->ops->s_audio_mode)
return hdl->ops->s_audio_mode(hdl, hdl->audio_mode->val);
return 0;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
/* video gop cluster */
return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_PROPERTIES, 2,
hdl->video_gop_size->val,
hdl->video_b_frames->val + 1);
case V4L2_CID_MPEG_STREAM_TYPE:
/* stream type cluster */
err = cx2341x_hdl_api(hdl,
CX2341X_ENC_SET_STREAM_TYPE, 1, mpeg_stream_type[val]);
if (err)
return err;
err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_BIT_RATE, 5,
hdl->video_bitrate_mode->val,
hdl->video_bitrate->val,
hdl->video_bitrate_peak->val / 400, 0, 0);
if (err)
return err;
v4l2_ctrl_activate(hdl->video_bitrate_mode,
hdl->video_encoding->val != V4L2_MPEG_VIDEO_ENCODING_MPEG_1);
v4l2_ctrl_activate(hdl->video_bitrate_peak,
hdl->video_bitrate_mode->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
if (cx2341x_neq(hdl->video_encoding) &&
hdl->ops && hdl->ops->s_video_encoding)
return hdl->ops->s_video_encoding(hdl, hdl->video_encoding->val);
return 0;
case V4L2_CID_MPEG_VIDEO_MUTE:
/* video mute cluster */
return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_VIDEO, 1,
hdl->video_mute->val |
(hdl->video_mute_yuv->val << 8));
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: {
int active_filter;
/* video filter mode */
err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_MODE, 2,
hdl->video_spatial_filter_mode->val |
(hdl->video_temporal_filter_mode->val << 1),
hdl->video_median_filter_type->val);
if (err)
return err;
active_filter = hdl->video_spatial_filter_mode->val !=
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO;
v4l2_ctrl_activate(hdl->video_spatial_filter, active_filter);
v4l2_ctrl_activate(hdl->video_luma_spatial_filter_type, active_filter);
v4l2_ctrl_activate(hdl->video_chroma_spatial_filter_type, active_filter);
active_filter = hdl->video_temporal_filter_mode->val !=
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO;
v4l2_ctrl_activate(hdl->video_temporal_filter, active_filter);
active_filter = hdl->video_median_filter_type->val !=
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF;
v4l2_ctrl_activate(hdl->video_luma_median_filter_bottom, active_filter);
v4l2_ctrl_activate(hdl->video_luma_median_filter_top, active_filter);
v4l2_ctrl_activate(hdl->video_chroma_median_filter_bottom, active_filter);
v4l2_ctrl_activate(hdl->video_chroma_median_filter_top, active_filter);
return 0;
}
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
/* video filter type cluster */
return cx2341x_hdl_api(hdl,
CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 2,
hdl->video_luma_spatial_filter_type->val,
hdl->video_chroma_spatial_filter_type->val);
case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
/* video filter cluster */
return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_PROPS, 2,
hdl->video_spatial_filter->val,
hdl->video_temporal_filter->val);
case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
/* video median cluster */
return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_CORING_LEVELS, 4,
hdl->video_luma_median_filter_bottom->val,
hdl->video_luma_median_filter_top->val,
hdl->video_chroma_median_filter_bottom->val,
hdl->video_chroma_median_filter_top->val);
}
return -EINVAL;
}
static const struct v4l2_ctrl_ops cx2341x_ops = {
.try_ctrl = cx2341x_try_ctrl,
.s_ctrl = cx2341x_s_ctrl,
};
static struct v4l2_ctrl *cx2341x_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
u32 id, s32 min, s32 max, s32 step, s32 def)
{
struct v4l2_ctrl_config cfg;
memset(&cfg, 0, sizeof(cfg));
cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, &cfg.flags);
cfg.ops = &cx2341x_ops;
cfg.id = id;
cfg.min = min;
cfg.max = max;
cfg.def = def;
if (cfg.type == V4L2_CTRL_TYPE_MENU) {
cfg.step = 0;
cfg.menu_skip_mask = step;
cfg.qmenu = cx2341x_get_menu(id);
} else {
cfg.step = step;
cfg.menu_skip_mask = 0;
}
return v4l2_ctrl_new_custom(hdl, &cfg, NULL);
}
static struct v4l2_ctrl *cx2341x_ctrl_new_std(struct v4l2_ctrl_handler *hdl,
u32 id, s32 min, s32 max, s32 step, s32 def)
{
return v4l2_ctrl_new_std(hdl, &cx2341x_ops, id, min, max, step, def);
}
static struct v4l2_ctrl *cx2341x_ctrl_new_menu(struct v4l2_ctrl_handler *hdl,
u32 id, s32 max, s32 mask, s32 def)
{
return v4l2_ctrl_new_std_menu(hdl, &cx2341x_ops, id, max, mask, def);
}
int cx2341x_handler_init(struct cx2341x_handler *cxhdl,
unsigned nr_of_controls_hint)
{
struct v4l2_ctrl_handler *hdl = &cxhdl->hdl;
u32 caps = cxhdl->capabilities;
int has_sliced_vbi = caps & CX2341X_CAP_HAS_SLICED_VBI;
int has_ac3 = caps & CX2341X_CAP_HAS_AC3;
int has_ts = caps & CX2341X_CAP_HAS_TS;
cxhdl->width = 720;
cxhdl->height = 480;
v4l2_ctrl_handler_init(hdl, nr_of_controls_hint);
/* Add controls in ascending control ID order for fastest
insertion time. */
cxhdl->stream_type = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_STREAM_TYPE,
V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, has_ts ? 0 : 2,
V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
cxhdl->stream_vbi_fmt = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_STREAM_VBI_FMT,
V4L2_MPEG_STREAM_VBI_FMT_IVTV, has_sliced_vbi ? 0 : 2,
V4L2_MPEG_STREAM_VBI_FMT_NONE);
cxhdl->audio_sampling_freq = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 0,
V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
cxhdl->audio_encoding = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_ENCODING,
V4L2_MPEG_AUDIO_ENCODING_AC3, has_ac3 ? ~0x12 : ~0x2,
V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
cxhdl->audio_l2_bitrate = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_L2_BITRATE,
V4L2_MPEG_AUDIO_L2_BITRATE_384K, 0x1ff,
V4L2_MPEG_AUDIO_L2_BITRATE_224K);
cxhdl->audio_mode = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_MODE,
V4L2_MPEG_AUDIO_MODE_MONO, 0,
V4L2_MPEG_AUDIO_MODE_STEREO);
cxhdl->audio_mode_extension = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 0,
V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
cxhdl->audio_emphasis = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_EMPHASIS,
V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 0,
V4L2_MPEG_AUDIO_EMPHASIS_NONE);
cxhdl->audio_crc = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_CRC,
V4L2_MPEG_AUDIO_CRC_CRC16, 0,
V4L2_MPEG_AUDIO_CRC_NONE);
cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_AUDIO_MUTE, 0, 1, 1, 0);
if (has_ac3)
cxhdl->audio_ac3_bitrate = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 0x03,
V4L2_MPEG_AUDIO_AC3_BITRATE_224K);
cxhdl->video_encoding = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_VIDEO_ENCODING,
V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 0,
V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_VIDEO_ASPECT,
V4L2_MPEG_VIDEO_ASPECT_221x100, 0,
V4L2_MPEG_VIDEO_ASPECT_4x3);
cxhdl->video_b_frames = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 33, 1, 2);
cxhdl->video_gop_size = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1, 34, 1, cxhdl->is_50hz ? 12 : 15);
cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1);
cxhdl->video_bitrate_mode = cx2341x_ctrl_new_menu(hdl,
V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0,
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
cxhdl->video_bitrate = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_BITRATE,
0, 27000000, 1, 6000000);
cxhdl->video_bitrate_peak = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
0, 27000000, 1, 8000000);
cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, 0, 255, 1, 0);
cxhdl->video_mute = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_MUTE, 0, 1, 1, 0);
cxhdl->video_mute_yuv = cx2341x_ctrl_new_std(hdl,
V4L2_CID_MPEG_VIDEO_MUTE_YUV, 0, 0xffffff, 1, 0x008080);
/* CX23415/6 specific */
cxhdl->video_spatial_filter_mode = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 0,
V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL);
cxhdl->video_spatial_filter = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
0, 15, 1, 0);
cxhdl->video_luma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE,
0,
V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR);
cxhdl->video_chroma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
0,
V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR);
cxhdl->video_temporal_filter_mode = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO,
0,
V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL);
cxhdl->video_temporal_filter = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
0, 31, 1, 8);
cxhdl->video_median_filter_type = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG,
0,
V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF);
cxhdl->video_luma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
0, 255, 1, 0);
cxhdl->video_luma_median_filter_top = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
0, 255, 1, 255);
cxhdl->video_chroma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
0, 255, 1, 0);
cxhdl->video_chroma_median_filter_top = cx2341x_ctrl_new_custom(hdl,
V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
0, 255, 1, 255);
cx2341x_ctrl_new_custom(hdl, V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS,
0, 1, 1, 0);
if (hdl->error) {
int err = hdl->error;
v4l2_ctrl_handler_free(hdl);
return err;
}
v4l2_ctrl_cluster(8, &cxhdl->audio_sampling_freq);
v4l2_ctrl_cluster(2, &cxhdl->video_b_frames);
v4l2_ctrl_cluster(5, &cxhdl->stream_type);
v4l2_ctrl_cluster(2, &cxhdl->video_mute);
v4l2_ctrl_cluster(3, &cxhdl->video_spatial_filter_mode);
v4l2_ctrl_cluster(2, &cxhdl->video_luma_spatial_filter_type);
v4l2_ctrl_cluster(2, &cxhdl->video_spatial_filter);
v4l2_ctrl_cluster(4, &cxhdl->video_luma_median_filter_top);
return 0;
}
EXPORT_SYMBOL(cx2341x_handler_init);
void cx2341x_handler_set_50hz(struct cx2341x_handler *cxhdl, int is_50hz)
{
cxhdl->is_50hz = is_50hz;
cxhdl->video_gop_size->default_value = cxhdl->is_50hz ? 12 : 15;
}
EXPORT_SYMBOL(cx2341x_handler_set_50hz);
int cx2341x_handler_setup(struct cx2341x_handler *cxhdl)
{
int h = cxhdl->height;
int w = cxhdl->width;
int err;
err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_OUTPUT_PORT, 2, cxhdl->port, 0);
if (err)
return err;
err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_RATE, 1, cxhdl->is_50hz);
if (err)
return err;
if (v4l2_ctrl_g_ctrl(cxhdl->video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) {
w /= 2;
h /= 2;
}
err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_SIZE, 2, h, w);
if (err)
return err;
return v4l2_ctrl_handler_setup(&cxhdl->hdl);
}
EXPORT_SYMBOL(cx2341x_handler_setup);
void cx2341x_handler_set_busy(struct cx2341x_handler *cxhdl, int busy)
{
v4l2_ctrl_grab(cxhdl->audio_sampling_freq, busy);
v4l2_ctrl_grab(cxhdl->audio_encoding, busy);
v4l2_ctrl_grab(cxhdl->audio_l2_bitrate, busy);
v4l2_ctrl_grab(cxhdl->audio_ac3_bitrate, busy);
v4l2_ctrl_grab(cxhdl->stream_vbi_fmt, busy);
v4l2_ctrl_grab(cxhdl->stream_type, busy);
v4l2_ctrl_grab(cxhdl->video_bitrate_mode, busy);
v4l2_ctrl_grab(cxhdl->video_bitrate, busy);
v4l2_ctrl_grab(cxhdl->video_bitrate_peak, busy);
}
EXPORT_SYMBOL(cx2341x_handler_set_busy);