#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/crc32.h>
-
#define MPEG_VIDEO_TARGET_BITRATE_MAX 27000
#define MPEG_VIDEO_MAX_BITRATE_MAX 27000
#define MPEG_TOTAL_TARGET_BITRATE_MAX 27000
/* Addresses to scan */
static unsigned short normal_i2c[] = {0x20, I2C_CLIENT_END};
+
I2C_CLIENT_INSMOD;
MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder");
struct saa6752hs_state {
struct i2c_client client;
- struct v4l2_mpeg_compression old_params;
struct saa6752hs_mpeg_params params;
enum saa6752hs_videoformat video_format;
v4l2_std_id standard;
.au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K,
};
-static struct v4l2_mpeg_compression old_param_defaults =
-{
- .st_type = V4L2_MPEG_TS_2,
- .st_bitrate = {
- .mode = V4L2_BITRATE_CBR,
- .target = 7000,
- },
-
- .ts_pid_pmt = 16,
- .ts_pid_video = 260,
- .ts_pid_audio = 256,
- .ts_pid_pcr = 259,
-
- .vi_type = V4L2_MPEG_VI_2,
- .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
- .vi_bitrate = {
- .mode = V4L2_BITRATE_VBR,
- .target = 4000,
- .max = 6000,
- },
-
- .au_type = V4L2_MPEG_AU_2_II,
- .au_bitrate = {
- .mode = V4L2_BITRATE_CBR,
- .target = 256,
- },
-
-};
-
/* ---------------------------------------------------------------------- */
static int saa6752hs_chip_command(struct i2c_client* client,
}
-static void saa6752hs_old_set_params(struct i2c_client* client,
- struct v4l2_mpeg_compression* params)
-{
- struct saa6752hs_state *h = i2c_get_clientdata(client);
-
- /* check PIDs */
- if (params->ts_pid_pmt <= MPEG_PID_MAX) {
- h->old_params.ts_pid_pmt = params->ts_pid_pmt;
- h->params.ts_pid_pmt = params->ts_pid_pmt;
- }
- if (params->ts_pid_pcr <= MPEG_PID_MAX) {
- h->old_params.ts_pid_pcr = params->ts_pid_pcr;
- h->params.ts_pid_pcr = params->ts_pid_pcr;
- }
- if (params->ts_pid_video <= MPEG_PID_MAX) {
- h->old_params.ts_pid_video = params->ts_pid_video;
- h->params.ts_pid_video = params->ts_pid_video;
- }
- if (params->ts_pid_audio <= MPEG_PID_MAX) {
- h->old_params.ts_pid_audio = params->ts_pid_audio;
- h->params.ts_pid_audio = params->ts_pid_audio;
- }
-
- /* check bitrate parameters */
- if ((params->vi_bitrate.mode == V4L2_BITRATE_CBR) ||
- (params->vi_bitrate.mode == V4L2_BITRATE_VBR)) {
- h->old_params.vi_bitrate.mode = params->vi_bitrate.mode;
- h->params.vi_bitrate_mode = (params->vi_bitrate.mode == V4L2_BITRATE_VBR) ?
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR : V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
- }
- if (params->vi_bitrate.mode != V4L2_BITRATE_NONE)
- h->old_params.st_bitrate.target = params->st_bitrate.target;
- if (params->vi_bitrate.mode != V4L2_BITRATE_NONE)
- h->old_params.vi_bitrate.target = params->vi_bitrate.target;
- if (params->vi_bitrate.mode == V4L2_BITRATE_VBR)
- h->old_params.vi_bitrate.max = params->vi_bitrate.max;
- if (params->au_bitrate.mode != V4L2_BITRATE_NONE)
- h->old_params.au_bitrate.target = params->au_bitrate.target;
-
- /* aspect ratio */
- if (params->vi_aspect_ratio == V4L2_MPEG_ASPECT_4_3 ||
- params->vi_aspect_ratio == V4L2_MPEG_ASPECT_16_9) {
- h->old_params.vi_aspect_ratio = params->vi_aspect_ratio;
- if (params->vi_aspect_ratio == V4L2_MPEG_ASPECT_4_3)
- h->params.vi_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3;
- else
- h->params.vi_aspect = V4L2_MPEG_VIDEO_ASPECT_16x9;
- }
-
- /* range checks */
- if (h->old_params.st_bitrate.target > MPEG_TOTAL_TARGET_BITRATE_MAX)
- h->old_params.st_bitrate.target = MPEG_TOTAL_TARGET_BITRATE_MAX;
- if (h->old_params.vi_bitrate.target > MPEG_VIDEO_TARGET_BITRATE_MAX)
- h->old_params.vi_bitrate.target = MPEG_VIDEO_TARGET_BITRATE_MAX;
- if (h->old_params.vi_bitrate.max > MPEG_VIDEO_MAX_BITRATE_MAX)
- h->old_params.vi_bitrate.max = MPEG_VIDEO_MAX_BITRATE_MAX;
- h->params.vi_bitrate = params->vi_bitrate.target;
- h->params.vi_bitrate_peak = params->vi_bitrate.max;
- if (h->old_params.au_bitrate.target <= 256) {
- h->old_params.au_bitrate.target = 256;
- h->params.au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K;
- }
- else {
- h->old_params.au_bitrate.target = 384;
- h->params.au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_384K;
- }
-}
-
static int handle_ctrl(struct saa6752hs_mpeg_params *params,
struct v4l2_ext_control *ctrl, unsigned int cmd)
{
return 0;
}
+static int saa6752hs_qctrl(struct saa6752hs_mpeg_params *params,
+ struct v4l2_queryctrl *qctrl)
+{
+ int err;
+
+ switch (qctrl->id) {
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1,
+ V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
+
+ case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_L2_BITRATE_256K,
+ V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
+ V4L2_MPEG_AUDIO_L2_BITRATE_256K);
+
+ case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, 1,
+ V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
+
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
+
+ case V4L2_CID_MPEG_VIDEO_ASPECT:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_VIDEO_ASPECT_4x3,
+ V4L2_MPEG_VIDEO_ASPECT_16x9, 1,
+ V4L2_MPEG_VIDEO_ASPECT_4x3);
+
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+ err = v4l2_ctrl_query_fill_std(qctrl);
+ if (err == 0 &&
+ params->vi_bitrate_mode ==
+ V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
+ qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
+ return err;
+
+ case V4L2_CID_MPEG_STREAM_TYPE:
+ return v4l2_ctrl_query_fill(qctrl,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 1,
+ V4L2_MPEG_STREAM_TYPE_MPEG2_TS);
+
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
+ case V4L2_CID_MPEG_STREAM_PID_PMT:
+ case V4L2_CID_MPEG_STREAM_PID_AUDIO:
+ case V4L2_CID_MPEG_STREAM_PID_VIDEO:
+ case V4L2_CID_MPEG_STREAM_PID_PCR:
+ return v4l2_ctrl_query_fill_std(qctrl);
+
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+static int saa6752hs_qmenu(struct saa6752hs_mpeg_params *params,
+ struct v4l2_querymenu *qmenu)
+{
+ static const char *mpeg_audio_l2_bitrate[] = {
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "256 kbps",
+ "",
+ "384 kbps",
+ NULL
+ };
+ struct v4l2_queryctrl qctrl;
+ int err;
+
+ qctrl.id = qmenu->id;
+ err = saa6752hs_qctrl(params, &qctrl);
+ if (err)
+ return err;
+ if (qmenu->id == V4L2_CID_MPEG_AUDIO_L2_BITRATE)
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ mpeg_audio_l2_bitrate);
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ v4l2_ctrl_get_menu(qmenu->id));
+}
+
static int saa6752hs_init(struct i2c_client* client)
{
unsigned char buf[9], buf2[4];
return -ENOMEM;
h->client = client_template;
h->params = param_defaults;
- h->old_params = old_param_defaults;
h->client.adapter = adap;
h->client.addr = addr;
i2c_attach_client(&h->client);
v4l_info(&h->client,"saa6752hs: chip found @ 0x%x\n", addr<<1);
-
return 0;
}
{
struct saa6752hs_state *h = i2c_get_clientdata(client);
struct v4l2_ext_controls *ctrls = arg;
- struct v4l2_mpeg_compression *old_params = arg;
struct saa6752hs_mpeg_params params;
int err = 0;
int i;
switch (cmd) {
- case VIDIOC_S_MPEGCOMP:
- if (NULL == old_params) {
- /* apply settings and start encoder */
- saa6752hs_init(client);
- break;
- }
- saa6752hs_old_set_params(client, old_params);
- /* fall through */
- case VIDIOC_G_MPEGCOMP:
- *old_params = h->old_params;
- break;
case VIDIOC_S_EXT_CTRLS:
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
}
h->params = params;
break;
+ case VIDIOC_QUERYCTRL:
+ return saa6752hs_qctrl(&h->params, arg);
+ case VIDIOC_QUERYMENU:
+ return saa6752hs_qmenu(&h->params, arg);
case VIDIOC_G_FMT:
{
struct v4l2_format *f = arg;
git.openpandora.org / pandora-kernel.git / blobdiff