* Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/div64.h>
#include <linux/video_decoder.h>
-#define __OLD_VIDIOC_ /* To allow fixing old calls*/
#include <media/v4l2-common.h>
#ifdef CONFIG_KMOD
memset(vs, 0, sizeof(struct v4l2_standard));
vs->index = index;
vs->id = id;
- if (id & V4L2_STD_525_60) {
+ if (id & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) {
vs->frameperiod.numerator = 1001;
vs->frameperiod.denominator = 30000;
vs->framelines = 525;
return 0;
}
+
/* ----------------------------------------------------------------- */
/* priority handling */
/* ----------------------------------------------------------------- */
-/* some arrays for pretty-printing debug messages of enum types */
+/* some arrays for pretty-printing debug messages */
char *v4l2_field_names[] = {
[V4L2_FIELD_ANY] = "any",
[V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
};
-static char *v4l2_memory_names[] = {
- [V4L2_MEMORY_MMAP] = "mmap",
- [V4L2_MEMORY_USERPTR] = "userptr",
- [V4L2_MEMORY_OVERLAY] = "overlay",
-};
-
-#define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
-
/* ------------------------------------------------------------------ */
/* debug help functions */
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
+#ifdef HAVE_V4L1
static const char *v4l1_ioctls[] = {
[_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP",
[_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN",
#if 1
[_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
#endif
- [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS",
- [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
- [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
- [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS"
+ [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS"
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
static const char *v4l2_int_ioctls[] = {
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
+#ifdef HAVE_VIDEO_DECODER
[_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES",
[_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS",
[_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM",
[_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP",
#endif
[_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO",
+ [_IOC_NR(AUDC_SET_INPUT)] = "AUDC_SET_INPUT",
+ [_IOC_NR(MSP_SET_MATRIX)] = "MSP_SET_MATRIX",
[_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR",
[_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY",
[_IOC_NR(TDA9887_SET_CONFIG)] = "TDA9887_SET_CONFIG",
- [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE",
[_IOC_NR(VIDIOC_INT_S_REGISTER)] = "VIDIOC_INT_S_REGISTER",
[_IOC_NR(VIDIOC_INT_G_REGISTER)] = "VIDIOC_INT_G_REGISTER",
[_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET",
[_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA",
[_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA",
[_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)] = "VIDIOC_INT_G_CHIP_IDENT",
- [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ",
- [_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY",
- [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING",
- [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING",
- [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING",
- [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING",
- [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ"
+ [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ"
};
#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
-static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
-{
- printk ("%s: width=%d, height=%d, format=%d, field=%s, "
- "bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
- fmt->width,fmt->height,fmt->pixelformat,
- prt_names(fmt->field,v4l2_field_names),
- fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
-};
-
/* Common ioctl debug function. This function can be used by
external ioctl messages as well as internal V4L ioctl */
void v4l_printk_ioctl(unsigned int cmd)
(_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
break;
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
+#ifdef HAVE_V4L1
case 'v':
printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
(_IOC_NR(cmd) < V4L1_IOCTLS) ?
}
}
-/* Common ioctl debug function. This function can be used by
- external ioctl messages as well as internal V4L ioctl and its
- arguments */
-void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
-{
- printk(s);
- printk(": ");
- v4l_printk_ioctl(cmd);
- switch (cmd) {
- case VIDIOC_INT_G_CHIP_IDENT:
- {
- enum v4l2_chip_ident *p=arg;
- printk ("%s: chip ident=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_PRIORITY:
- case VIDIOC_S_PRIORITY:
- {
- enum v4l2_priority *p=arg;
- printk ("%s: priority=%d\n", s, *p);
- break;
- }
- case VIDIOC_INT_S_TUNER_MODE:
- {
- enum v4l2_tuner_type *p=arg;
- printk ("%s: tuner type=%d\n", s, *p);
- break;
- }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- case DECODER_SET_VBI_BYPASS:
- case DECODER_ENABLE_OUTPUT:
- case DECODER_GET_STATUS:
- case DECODER_SET_OUTPUT:
- case DECODER_SET_INPUT:
- case DECODER_SET_GPIO:
- case DECODER_SET_NORM:
- case VIDIOCCAPTURE:
- case VIDIOCSYNC:
- case VIDIOCSWRITEMODE:
-#endif
- case TUNER_SET_TYPE_ADDR:
- case TUNER_SET_STANDBY:
- case TDA9887_SET_CONFIG:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_OVERLAY_OLD:
-#endif
- case VIDIOC_STREAMOFF:
- case VIDIOC_G_OUTPUT:
- case VIDIOC_S_OUTPUT:
- case VIDIOC_STREAMON:
- case VIDIOC_G_INPUT:
- case VIDIOC_OVERLAY:
- case VIDIOC_S_INPUT:
- {
- int *p=arg;
- printk ("%s: value=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_AUDIO:
- case VIDIOC_S_AUDIO:
- case VIDIOC_ENUMAUDIO:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_G_AUDIO_OLD:
-#endif
- {
- struct v4l2_audio *p=arg;
-
- printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n",
- s,p->index, p->name,p->capability, p->mode);
- break;
- }
- case VIDIOC_G_AUDOUT:
- case VIDIOC_S_AUDOUT:
- case VIDIOC_ENUMAUDOUT:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_G_AUDOUT_OLD:
-#endif
- {
- struct v4l2_audioout *p=arg;
- printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
- p->index, p->name, p->capability,p->mode);
- break;
- }
- case VIDIOC_QBUF:
- case VIDIOC_DQBUF:
- case VIDIOC_QUERYBUF:
- {
- struct v4l2_buffer *p=arg;
- struct v4l2_timecode *tc=&p->timecode;
- printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, "
- "bytesused=%d, flags=0x%08x, "
- "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
- s,
- (p->timestamp.tv_sec/3600),
- (int)(p->timestamp.tv_sec/60)%60,
- (int)(p->timestamp.tv_sec%60),
- p->timestamp.tv_usec,
- p->index,
- prt_names(p->type,v4l2_type_names),
- p->bytesused,p->flags,
- p->field,p->sequence,
- prt_names(p->memory,v4l2_memory_names),
- p->m.userptr);
- printk ("%s: timecode= %02d:%02d:%02d type=%d, "
- "flags=0x%08x, frames=%d, userbits=0x%08x\n",
- s,tc->hours,tc->minutes,tc->seconds,
- tc->type, tc->flags, tc->frames, *(__u32 *) tc->userbits);
- break;
- }
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *p=arg;
- printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, "
- "capabilities=0x%08x\n", s,
- p->driver,p->card,p->bus_info,
- p->version,
- p->capabilities);
- break;
- }
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_S_CTRL_OLD:
-#endif
- {
- struct v4l2_control *p=arg;
- printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
- break;
- }
- case VIDIOC_G_EXT_CTRLS:
- case VIDIOC_S_EXT_CTRLS:
- case VIDIOC_TRY_EXT_CTRLS:
- {
- struct v4l2_ext_controls *p = arg;
- int i;
-
- printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count);
- for (i = 0; i < p->count; i++) {
- struct v4l2_ext_control *c = &p->controls[i];
- if (cmd == VIDIOC_G_EXT_CTRLS)
- printk("%s: id=%d\n", s, c->id);
- else
- printk("%s: id=%d, value=%d\n", s, c->id, c->value);
- }
- break;
- }
- case VIDIOC_G_CROP:
- case VIDIOC_S_CROP:
- {
- struct v4l2_crop *p=arg;
- /*FIXME: Should also show rect structs */
- printk ("%s: type=%d\n", s, p->type);
- break;
- }
- case VIDIOC_CROPCAP:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_CROPCAP_OLD:
-#endif
- {
- struct v4l2_cropcap *p=arg;
- /*FIXME: Should also show rect structs */
- printk ("%s: type=%d\n", s, p->type);
- break;
- }
- case VIDIOC_INT_DECODE_VBI_LINE:
- {
- struct v4l2_decode_vbi_line *p=arg;
- printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, "
- "type=%d\n", s,
- p->is_second_field,(unsigned long)p->p,p->line,p->type);
- break;
- }
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *p=arg;
- printk ("%s: index=%d, type=%d, flags=%d, description=%s,"
- " pixelformat=%d\n", s,
- p->index, p->type, p->flags,p->description,
- p->pixelformat);
-
- break;
- }
- case VIDIOC_G_FMT:
- case VIDIOC_S_FMT:
- case VIDIOC_TRY_FMT:
- {
- struct v4l2_format *p=arg;
- printk ("%s: type=%s\n", s,
- prt_names(p->type,v4l2_type_names));
- switch (p->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- v4l_print_pix_fmt (s, &p->fmt.pix);
- break;
- default:
- break;
- }
- }
- case VIDIOC_G_FBUF:
- case VIDIOC_S_FBUF:
- {
- struct v4l2_framebuffer *p=arg;
- printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
- p->capability,p->flags, (unsigned long)p->base);
- v4l_print_pix_fmt (s, &p->fmt);
- break;
- }
- case VIDIOC_G_FREQUENCY:
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *p=arg;
- printk ("%s: tuner=%d, type=%d, frequency=%d\n", s,
- p->tuner,p->type,p->frequency);
- break;
- }
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *p=arg;
- printk ("%s: index=%d, name=%s, type=%d, audioset=%d, "
- "tuner=%d, std=%Ld, status=%d\n", s,
- p->index,p->name,p->type,p->audioset,
- p->tuner,
- (unsigned long long)p->std,
- p->status);
- break;
- }
- case VIDIOC_G_JPEGCOMP:
- case VIDIOC_S_JPEGCOMP:
- {
- struct v4l2_jpegcompression *p=arg;
- printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d,"
- " jpeg_markers=%d\n", s,
- p->quality,p->APPn,p->APP_len,
- p->COM_len,p->jpeg_markers);
- break;
- }
- case VIDIOC_G_MODULATOR:
- case VIDIOC_S_MODULATOR:
- {
- struct v4l2_modulator *p=arg;
- printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d,"
- " rangehigh=%d, txsubchans=%d\n", s,
- p->index, p->name,p->capability,p->rangelow,
- p->rangehigh,p->txsubchans);
- break;
- }
- case VIDIOC_G_MPEGCOMP:
- case VIDIOC_S_MPEGCOMP:
- {
- struct v4l2_mpeg_compression *p=arg;
- /*FIXME: Several fields not shown */
- printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, "
- "ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, "
- "au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, "
- "vi_bframes_count=%d, vi_pesid=%c\n", s,
- p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video,
- p->ts_pid_pcr, p->ps_size, p->au_sample_rate,
- p->au_pesid, p->vi_frame_rate,
- p->vi_frames_per_gop, p->vi_bframes_count,
- p->vi_pesid);
- break;
- }
- case VIDIOC_ENUMOUTPUT:
- {
- struct v4l2_output *p=arg;
- printk ("%s: index=%d, name=%s,type=%d, audioset=%d, "
- "modulator=%d, std=%Ld\n",
- s,p->index,p->name,p->type,p->audioset,
- p->modulator,
- (unsigned long long)p->std);
- break;
- }
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *p=arg;
- printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d,"
- " step=%d, default=%d, flags=0x%08x\n", s,
- p->id,p->type,p->name,p->minimum,p->maximum,
- p->step,p->default_value,p->flags);
- break;
- }
- case VIDIOC_QUERYMENU:
- {
- struct v4l2_querymenu *p=arg;
- printk ("%s: id=%d, index=%d, name=%s\n", s,
- p->id,p->index,p->name);
- break;
- }
- case VIDIOC_INT_G_REGISTER:
- case VIDIOC_INT_S_REGISTER:
- {
- struct v4l2_register *p=arg;
- printk ("%s: i2c_id=%d, reg=%lu, val=%d\n", s,
- p->i2c_id,p->reg,p->val);
-
- break;
- }
- case VIDIOC_REQBUFS:
- {
- struct v4l2_requestbuffers *p=arg;
- printk ("%s: count=%d, type=%s, memory=%s\n", s,
- p->count,
- prt_names(p->type,v4l2_type_names),
- prt_names(p->memory,v4l2_memory_names));
- break;
- }
- case VIDIOC_INT_S_AUDIO_ROUTING:
- case VIDIOC_INT_S_VIDEO_ROUTING:
- case VIDIOC_INT_G_AUDIO_ROUTING:
- case VIDIOC_INT_G_VIDEO_ROUTING:
- {
- struct v4l2_routing *p=arg;
- printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output);
- break;
- }
- case VIDIOC_INT_S_CRYSTAL_FREQ:
- {
- struct v4l2_crystal_freq *p=arg;
- printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags);
- break;
- }
- case VIDIOC_G_SLICED_VBI_CAP:
- {
- struct v4l2_sliced_vbi_cap *p=arg;
- printk ("%s: service_set=%d\n", s,
- p->service_set);
- break;
- }
- case VIDIOC_INT_S_VBI_DATA:
- case VIDIOC_INT_G_VBI_DATA:
- {
- struct v4l2_sliced_vbi_data *p=arg;
- printk ("%s: id=%d, field=%d, line=%d\n", s,
- p->id, p->field, p->line);
- break;
- }
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *p=arg;
- printk ("%s: index=%d, id=%Ld, name=%s, fps=%d/%d, "
- "framelines=%d\n", s, p->index,
- (unsigned long long)p->id, p->name,
- p->frameperiod.numerator,
- p->frameperiod.denominator,
- p->framelines);
-
- break;
- }
- case VIDIOC_G_PARM:
- case VIDIOC_S_PARM:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_S_PARM_OLD:
-#endif
- {
- struct v4l2_streamparm *p=arg;
- printk ("%s: type=%d\n", s, p->type);
-
- break;
- }
- case VIDIOC_G_TUNER:
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *p=arg;
- printk ("%s: index=%d, name=%s, type=%d, capability=%d, "
- "rangelow=%d, rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=%d, audmode=%d\n", s,
- p->index, p->name, p->type,
- p->capability, p->rangelow,p->rangehigh,
- p->rxsubchans, p->audmode, p->signal,
- p->afc);
- break;
- }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- case VIDIOCGVBIFMT:
- case VIDIOCSVBIFMT:
- {
- struct vbi_format *p=arg;
- printk ("%s: sampling_rate=%d, samples_per_line=%d, "
- "sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s,
- p->sampling_rate,p->samples_per_line,
- p->sample_format,p->start[0],p->start[1],
- p->count[0],p->count[1],p->flags);
- break;
- }
- case VIDIOCGAUDIO:
- case VIDIOCSAUDIO:
- {
- struct video_audio *p=arg;
- printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, "
- "flags=%d, name=%s, mode=%d, balance=%d, step=%d\n",
- s,p->audio,p->volume,p->bass, p->treble,
- p->flags,p->name,p->mode,p->balance,p->step);
- break;
- }
- case VIDIOCGFBUF:
- case VIDIOCSFBUF:
- {
- struct video_buffer *p=arg;
- printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, "
- "bytesperline=%d\n", s,
- (unsigned long) p->base, p->height, p->width,
- p->depth,p->bytesperline);
- break;
- }
- case VIDIOCGCAP:
- {
- struct video_capability *p=arg;
- printk ("%s: name=%s, type=%d, channels=%d, audios=%d, "
- "maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n",
- s,p->name,p->type,p->channels,p->audios,
- p->maxwidth,p->maxheight,p->minwidth,
- p->minheight);
-
- break;
- }
- case VIDIOCGCAPTURE:
- case VIDIOCSCAPTURE:
- {
- struct video_capture *p=arg;
- printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d,"
- " flags=%d\n", s,
- p->x, p->y,p->width, p->height,
- p->decimation,p->flags);
- break;
- }
- case VIDIOCGCHAN:
- case VIDIOCSCHAN:
- {
- struct video_channel *p=arg;
- printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, "
- "type=%d, norm=%d\n", s,
- p->channel,p->name,p->tuners,
- p->flags,p->type,p->norm);
-
- break;
- }
- case VIDIOCSMICROCODE:
- {
- struct video_code *p=arg;
- printk ("%s: loadwhat=%s, datasize=%d\n", s,
- p->loadwhat,p->datasize);
- break;
- }
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *p=arg;
- printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s,
- p->flags,p->inputs,p->outputs);
- break;
- }
- case DECODER_INIT:
- {
- struct video_decoder_init *p=arg;
- printk ("%s: len=%c\n", s, p->len);
- break;
- }
- case VIDIOCGPLAYINFO:
- {
- struct video_info *p=arg;
- printk ("%s: frame_count=%d, h_size=%d, v_size=%d, "
- "smpte_timecode=%d, picture_type=%d, "
- "temporal_reference=%d, user_data=%s\n", s,
- p->frame_count, p->h_size,
- p->v_size, p->smpte_timecode,
- p->picture_type, p->temporal_reference,
- p->user_data);
- break;
- }
- case VIDIOCKEY:
- {
- struct video_key *p=arg;
- printk ("%s: key=%s, flags=%d\n", s,
- p->key, p->flags);
- break;
- }
- case VIDIOCGMBUF:
- {
- struct video_mbuf *p=arg;
- printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s,
- p->size,
- p->frames,
- (unsigned long)p->offsets);
- break;
- }
- case VIDIOCMCAPTURE:
- {
- struct video_mmap *p=arg;
- printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s,
- p->frame,
- p->height, p->width,
- p->format);
- break;
- }
- case VIDIOCGPICT:
- case VIDIOCSPICT:
- case DECODER_SET_PICTURE:
- {
- struct video_picture *p=arg;
-
- printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d,"
- " whiteness=%d, depth=%d, palette=%d\n", s,
- p->brightness, p->hue, p->colour,
- p->contrast, p->whiteness, p->depth,
- p->palette);
- break;
- }
- case VIDIOCSPLAYMODE:
- {
- struct video_play_mode *p=arg;
- printk ("%s: mode=%d, p1=%d, p2=%d\n", s,
- p->mode,p->p1,p->p2);
- break;
- }
- case VIDIOCGTUNER:
- case VIDIOCSTUNER:
- {
- struct video_tuner *p=arg;
- printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, "
- "flags=%d, mode=%d, signal=%d\n", s,
- p->tuner, p->name,p->rangelow, p->rangehigh,
- p->flags,p->mode, p->signal);
- break;
- }
- case VIDIOCGUNIT:
- {
- struct video_unit *p=arg;
- printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, "
- "teletext=%d\n", s,
- p->video,p->vbi,p->radio,p->audio,p->teletext);
- break;
- }
- case VIDIOCGWIN:
- case VIDIOCSWIN:
- {
- struct video_window *p=arg;
- printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d,"
- " flags=%d, clipcount=%d\n", s,
- p->x, p->y,p->width, p->height,
- p->chromakey,p->flags,
- p->clipcount);
- break;
- }
- case VIDIOCGFREQ:
- case VIDIOCSFREQ:
- {
- unsigned long *p=arg;
- printk ("%s: value=%lu\n", s, *p);
- break;
- }
-#endif
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- case VIDIOC_INT_I2S_CLOCK_FREQ:
- case VIDIOC_INT_S_STANDBY:
- {
- u32 *p=arg;
-
- printk ("%s: value=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_STD:
- case VIDIOC_S_STD:
- case VIDIOC_QUERYSTD:
- {
- v4l2_std_id *p=arg;
-
- printk ("%s: value=%Lu\n", s, (unsigned long long)*p);
- break;
- }
- }
-}
-
-/* ----------------------------------------------------------------- */
-
-/* Helper functions for control handling */
-
-/* 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. */
-int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
- const char **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_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;
- }
- return 0;
-}
-
-/* Returns NULL or a character pointer array containing the menu for
- the given control ID. The pointer array ends with a NULL pointer.
- An empty string signifies a menu entry that is invalid. This allows
- drivers to disable certain options if it is not supported. */
-const char **v4l2_ctrl_get_menu(u32 id)
-{
- static const char *mpeg_audio_sampling_freq[] = {
- "44.1 kHz",
- "48 kHz",
- "32 kHz",
- NULL
- };
- static const char *mpeg_audio_encoding[] = {
- "Layer I",
- "Layer II",
- "Layer III",
- NULL
- };
- static const char *mpeg_audio_l1_bitrate[] = {
- "32 kbps",
- "64 kbps",
- "96 kbps",
- "128 kbps",
- "160 kbps",
- "192 kbps",
- "224 kbps",
- "256 kbps",
- "288 kbps",
- "320 kbps",
- "352 kbps",
- "384 kbps",
- "416 kbps",
- "448 kbps",
- NULL
- };
- static const char *mpeg_audio_l2_bitrate[] = {
- "32 kbps",
- "48 kbps",
- "56 kbps",
- "64 kbps",
- "80 kbps",
- "96 kbps",
- "112 kbps",
- "128 kbps",
- "160 kbps",
- "192 kbps",
- "224 kbps",
- "256 kbps",
- "320 kbps",
- "384 kbps",
- NULL
- };
- static const char *mpeg_audio_l3_bitrate[] = {
- "32 kbps",
- "40 kbps",
- "48 kbps",
- "56 kbps",
- "64 kbps",
- "80 kbps",
- "96 kbps",
- "112 kbps",
- "128 kbps",
- "160 kbps",
- "192 kbps",
- "224 kbps",
- "256 kbps",
- "320 kbps",
- NULL
- };
- static const char *mpeg_audio_mode[] = {
- "Stereo",
- "Joint Stereo",
- "Dual",
- "Mono",
- NULL
- };
- static const char *mpeg_audio_mode_extension[] = {
- "Bound 4",
- "Bound 8",
- "Bound 12",
- "Bound 16",
- NULL
- };
- static const char *mpeg_audio_emphasis[] = {
- "No Emphasis",
- "50/15 us",
- "CCITT J17",
- NULL
- };
- static const char *mpeg_audio_crc[] = {
- "No CRC",
- "16-bit CRC",
- NULL
- };
- static const char *mpeg_video_encoding[] = {
- "MPEG-1",
- "MPEG-2",
- NULL
- };
- static const char *mpeg_video_aspect[] = {
- "1x1",
- "4x3",
- "16x9",
- "2.21x1",
- NULL
- };
- static const char *mpeg_video_bitrate_mode[] = {
- "Variable Bitrate",
- "Constant Bitrate",
- NULL
- };
- static const char *mpeg_stream_type[] = {
- "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_stream_vbi_fmt[] = {
- "No VBI",
- "Private packet, IVTV format",
- NULL
- };
-
- switch (id) {
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- return mpeg_audio_sampling_freq;
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return mpeg_audio_encoding;
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- return mpeg_audio_l1_bitrate;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return mpeg_audio_l2_bitrate;
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return mpeg_audio_l3_bitrate;
- case V4L2_CID_MPEG_AUDIO_MODE:
- return mpeg_audio_mode;
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- return mpeg_audio_mode_extension;
- case V4L2_CID_MPEG_AUDIO_EMPHASIS:
- return mpeg_audio_emphasis;
- case V4L2_CID_MPEG_AUDIO_CRC:
- return mpeg_audio_crc;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return mpeg_video_encoding;
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return mpeg_video_aspect;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return mpeg_video_bitrate_mode;
- case V4L2_CID_MPEG_STREAM_TYPE:
- return mpeg_stream_type;
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- return mpeg_stream_vbi_fmt;
- default:
- return NULL;
- }
-}
-
-/* Fill in a struct v4l2_queryctrl */
-int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
-{
- const char *name;
-
- qctrl->flags = 0;
- switch (qctrl->id) {
- /* USER controls */
- case V4L2_CID_USER_CLASS: name = "User Controls"; break;
- case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break;
- case V4L2_CID_AUDIO_MUTE: name = "Mute"; break;
- case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break;
- case V4L2_CID_AUDIO_BASS: name = "Bass"; break;
- case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break;
- case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break;
- case V4L2_CID_BRIGHTNESS: name = "Brightness"; break;
- case V4L2_CID_CONTRAST: name = "Contrast"; break;
- case V4L2_CID_SATURATION: name = "Saturation"; break;
- case V4L2_CID_HUE: name = "Hue"; break;
-
- /* MPEG controls */
- case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break;
- case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break;
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break;
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
- case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break;
- case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break;
- case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break;
- case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break;
- case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break;
- case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
- case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break;
- case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break;
- case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break;
-
- default:
- return -EINVAL;
- }
- switch (qctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_LOUDNESS:
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- case V4L2_CID_MPEG_VIDEO_PULLDOWN:
- qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
- min = 0;
- max = step = 1;
- break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- case V4L2_CID_MPEG_AUDIO_MODE:
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- case V4L2_CID_MPEG_AUDIO_EMPHASIS:
- case V4L2_CID_MPEG_AUDIO_CRC:
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- case V4L2_CID_MPEG_STREAM_TYPE:
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- qctrl->type = V4L2_CTRL_TYPE_MENU;
- step = 1;
- break;
- case V4L2_CID_USER_CLASS:
- case V4L2_CID_MPEG_CLASS:
- qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS;
- qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- min = max = step = def = 0;
- break;
- default:
- qctrl->type = V4L2_CTRL_TYPE_INTEGER;
- break;
- }
- switch (qctrl->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- case V4L2_CID_MPEG_AUDIO_MODE:
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- case V4L2_CID_MPEG_VIDEO_B_FRAMES:
- case V4L2_CID_MPEG_STREAM_TYPE:
- qctrl->flags |= V4L2_CTRL_FLAG_UPDATE;
- break;
- case V4L2_CID_AUDIO_VOLUME:
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- case V4L2_CID_BRIGHTNESS:
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- case V4L2_CID_HUE:
- qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
- 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;
-}
-
-/* Fill in a struct v4l2_queryctrl with standard values based on
- the control ID. */
-int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
-{
- switch (qctrl->id) {
- /* USER controls */
- case V4L2_CID_USER_CLASS:
- case V4L2_CID_MPEG_CLASS:
- return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880);
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_LOUDNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768);
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0);
-
- /* MPEG controls */
- 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:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L1_BITRATE_32K,
- V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1,
- V4L2_MPEG_AUDIO_L1_BITRATE_256K);
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L2_BITRATE_32K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_L2_BITRATE_224K);
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L3_BITRATE_32K,
- V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
- V4L2_MPEG_AUDIO_L3_BITRATE_192K);
- case V4L2_CID_MPEG_AUDIO_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:
- return 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);
- 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_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
- 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_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, 12);
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
- case V4L2_CID_MPEG_VIDEO_PULLDOWN:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 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_PID_PMT:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- 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);
- default:
- return -EINVAL;
- }
-}
-
-/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
- the menu. The qctrl pointer may be NULL, in which case it is ignored. */
-int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
- const char **menu_items)
-{
- int i;
-
- if (menu_items == NULL ||
- (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum)))
- return -EINVAL;
- for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
- if (menu_items[i] == NULL || menu_items[i][0] == '\0')
- return -EINVAL;
- snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]);
- qmenu->reserved = 0;
- return 0;
-}
-
-/* ctrl_classes points to an array of u32 pointers, the last element is
- a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
- Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointer must also be sorted, from low class IDs
- to high class IDs.
-
- This function returns the first ID that follows after the given ID.
- When no more controls are available 0 is returned. */
-u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
-{
- u32 ctrl_class;
- const u32 *pctrl;
-
- /* if no query is desired, then just return the control ID */
- if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
- return id;
- if (ctrl_classes == NULL)
- return 0;
- id &= V4L2_CTRL_ID_MASK;
- ctrl_class = V4L2_CTRL_ID2CLASS(id);
- id++; /* select next control */
- /* find first class that matches (or is greater than) the class of
- the ID */
- while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) < ctrl_class)
- ctrl_classes++;
- /* no more classes */
- if (*ctrl_classes == NULL)
- return 0;
- pctrl = *ctrl_classes;
- /* find first ctrl within the class that is >= ID */
- while (*pctrl && *pctrl < id) pctrl++;
- if (*pctrl)
- return *pctrl;
- /* we are at the end of the controls of the current class. */
- /* continue with next class if available */
- ctrl_classes++;
- if (*ctrl_classes == NULL)
- return 0;
- return **ctrl_classes;
-}
-
/* ----------------------------------------------------------------- */
EXPORT_SYMBOL(v4l2_video_std_construct);
EXPORT_SYMBOL(v4l2_field_names);
EXPORT_SYMBOL(v4l2_type_names);
EXPORT_SYMBOL(v4l_printk_ioctl);
-EXPORT_SYMBOL(v4l_printk_ioctl_arg);
-
-EXPORT_SYMBOL(v4l2_ctrl_next);
-EXPORT_SYMBOL(v4l2_ctrl_check);
-EXPORT_SYMBOL(v4l2_ctrl_get_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
/*
* Local variables:
git://git.onelab.eu / linux-2.6.git / blobdiff