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video_freebsd.c
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video_freebsd.c
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/* video_freebsd.c
*
* BSD Video stream functions for motion.
* Copyright 2004 by Angel Carpintero ([email protected])
* This software is distributed under the GNU public license version 2
* See also the file 'COPYING'.
*
*/
/* For rotation */
#include "rotate.h" /* Already includes motion.h */
#include "video_freebsd.h"
#ifndef WITHOUT_V4L
/* For the v4l stuff: */
#include <sys/mman.h>
/* Hack from xawtv 4.x */
#define VIDEO_NONE 0
#define VIDEO_RGB08 1 /* bt848 dithered */
#define VIDEO_GRAY 2
#define VIDEO_RGB15_LE 3 /* 15 bpp little endian */
#define VIDEO_RGB16_LE 4 /* 16 bpp little endian */
#define VIDEO_RGB15_BE 5 /* 15 bpp big endian */
#define VIDEO_RGB16_BE 6 /* 16 bpp big endian */
#define VIDEO_BGR24 7 /* bgrbgrbgrbgr (LE) */
#define VIDEO_BGR32 8 /* bgr-bgr-bgr- (LE) */
#define VIDEO_RGB24 9 /* rgbrgbrgbrgb (BE) */
#define VIDEO_RGB32 10 /* -rgb-rgb-rgb (BE) */
#define VIDEO_LUT2 11 /* lookup-table 2 byte depth */
#define VIDEO_LUT4 12 /* lookup-table 4 byte depth */
#define VIDEO_YUYV 13 /* 4:2:2 */
#define VIDEO_YUV422P 14 /* YUV 4:2:2 (planar) */
#define VIDEO_YUV420P 15 /* YUV 4:2:0 (planar) */
#define VIDEO_MJPEG 16 /* MJPEG (AVI) */
#define VIDEO_JPEG 17 /* JPEG (JFIF) */
#define VIDEO_UYVY 18 /* 4:2:2 */
#define VIDEO_MPEG 19 /* MPEG1/2 */
#define VIDEO_FMT_COUNT 20
#define array_elem(x) (sizeof(x) / sizeof((x)[0]))
static const struct camparam_st {
int min, max, range, drv_min, drv_range, def;
} CamParams[] = {
{
BT848_BRIGHTMIN, BT848_BRIGHTMIN + BT848_BRIGHTRANGE,
BT848_BRIGHTRANGE, BT848_BRIGHTREGMIN,
BT848_BRIGHTREGMAX - BT848_BRIGHTREGMIN + 1, BT848_BRIGHTCENTER, },
{
BT848_CONTRASTMIN, (BT848_CONTRASTMIN + BT848_CONTRASTRANGE),
BT848_CONTRASTRANGE, BT848_CONTRASTREGMIN,
(BT848_CONTRASTREGMAX - BT848_CONTRASTREGMIN + 1),
BT848_CONTRASTCENTER, },
{
BT848_CHROMAMIN, (BT848_CHROMAMIN + BT848_CHROMARANGE), BT848_CHROMARANGE,
BT848_CHROMAREGMIN, (BT848_CHROMAREGMAX - BT848_CHROMAREGMIN + 1),
BT848_CHROMACENTER, },
};
#define BRIGHT 0
#define CONTR 1
#define CHROMA 2
volatile sig_atomic_t bktr_frame_waiting;
//sigset_t sa_mask;
static void catchsignal(int sig)
{
bktr_frame_waiting++;
}
/* Not tested yet */
static void yuv422to420p(unsigned char *map, unsigned char *cap_map, int width, int height)
{
unsigned char *src, *dest, *src2, *dest2;
int i, j;
/* Create the Y plane */
src = cap_map;
dest = map;
for (i = width * height; i; i--) {
*dest++ = *src;
src += 2;
}
/* Create U and V planes */
src = cap_map + 1;
src2 = cap_map + width * 2 + 1;
dest = map + width* height;
dest2 = dest + (width * height) / 4;
for (i = height / 2; i; i--) {
for (j = width / 2; j; j--) {
*dest = ((int)*src + (int)*src2) / 2;
src += 2;
src2 += 2;
dest++;
*dest2 = ((int)*src + (int)*src2) / 2;
src += 2;
src2 += 2;
dest2++;
}
src += width * 2;
src2 += width * 2;
}
}
/**
* rgb24toyuv420p
* FIXME seems no work with METEOR_GEO_RGB24 , check BPP as well ?
*/
static void rgb24toyuv420p(unsigned char *map, unsigned char *cap_map, int width, int height)
{
unsigned char *y, *u, *v;
unsigned char *r, *g, *b;
int i, loop;
b = cap_map;
g = b + 1;
r = g + 1;
y = map;
u = y + width * height;
v = u + (width * height) / 4;
memset(u, 0, width * height / 4);
memset(v, 0, width * height / 4);
for (loop = 0; loop < height; loop++) {
for (i = 0; i < width; i += 2) {
*y++ = (9796 ** r + 19235 ** g + 3736 ** b) >> 15;
*u += ((-4784 ** r - 9437 ** g + 14221 ** b) >> 17) + 32;
*v += ((20218 ** r - 16941**g - 3277 ** b) >> 17) + 32;
r += 3;
g += 3;
b += 3;
*y++ = (9796 ** r + 19235 ** g + 3736 ** b) >> 15;
*u += ((-4784 ** r - 9437 ** g + 14221 ** b) >> 17) + 32;
*v += ((20218 ** r - 16941 ** g - 3277 ** b) >> 17) + 32;
r += 3;
g += 3;
b += 3;
u++;
v++;
}
if ((loop & 1) == 0) {
u -= width / 2;
v -= width / 2;
}
}
}
/*********************************************************************************************
CAPTURE CARD STUFF
**********************************************************************************************/
/* NOT TESTED YET FIXME */
/*
static int camparam_normalize(int param, int cfg_value, int *ioctl_val)
{
int val;
cfg_value = MIN(CamParams[ param ].max, MAX(CamParams[ param ].min, cfg_value));
val = (cfg_value - CamParams[ param ].min) /
(CamParams[ param ].range + 0.01) * CamParams[param].drv_range + CamParams[param].drv_min;
val = MAX(CamParams[ param ].min,
MIN(CamParams[ param ].drv_min + CamParams[ param ].drv_range-1, val));
*ioctl_val = val;
return cfg_value;
}
*/
static int set_hue(int viddev, int new_hue)
{
signed char ioctlval = new_hue;
if (ioctl(viddev, METEORSHUE, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSHUE Error setting hue [%d]",
new_hue);
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
return ioctlval;
}
static int get_hue(int viddev , int *hue)
{
signed char ioctlval;
if (ioctl(viddev, METEORGHUE, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORGHUE Error getting hue");
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
*hue = ioctlval;
return ioctlval;
}
static int set_saturation(int viddev, int new_saturation)
{
unsigned char ioctlval= new_saturation;
if (ioctl(viddev, METEORSCSAT, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSCSAT Error setting saturation [%d]",
new_saturation);
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
return ioctlval;
}
static int get_saturation(int viddev , int *saturation)
{
unsigned char ioctlval;
if (ioctl(viddev, METEORGCSAT, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORGCSAT Error getting saturation");
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
*saturation = ioctlval;
return ioctlval;
}
static int set_contrast(int viddev, int new_contrast)
{
unsigned char ioctlval = new_contrast;
if (ioctl(viddev, METEORSCONT, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSCONT Error setting contrast [%d]",
new_contrast);
return 0;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
return ioctlval;
}
static int get_contrast(int viddev, int *contrast)
{
unsigned char ioctlval;
if (ioctl(viddev, METEORGCONT, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORGCONT Error getting contrast");
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
*contrast = ioctlval;
return ioctlval;
}
static int set_brightness(int viddev, int new_bright)
{
unsigned char ioctlval = new_bright;
if (ioctl(viddev, METEORSBRIG, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSBRIG brightness [%d]",
new_bright);
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
return ioctlval;
}
static int get_brightness(int viddev, int *brightness)
{
unsigned char ioctlval;
if (ioctl(viddev, METEORGBRIG, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORGBRIG getting brightness");
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", ioctlval);
*brightness = ioctlval;
return ioctlval;
}
// Set channel needed ? FIXME
/*
static int set_channel(struct video_dev *viddev, int new_channel)
{
int ioctlval;
ioctlval = new_channel;
if (ioctl(viddev->fd_tuner, TVTUNER_SETCHNL, &ioctlval) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: Error channel %d", ioctlval);
return -1;
} else {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: channel set to %d", ioctlval);
}
viddev->channel = new_channel;
return 0;
}
*/
/**
* set_freq
* Sets frequency to tuner
*/
static int set_freq(struct video_dev *viddev, unsigned long freq)
{
int tuner_fd = viddev->fd_tuner;
int old_audio;
MOTION_LOG(WRN, TYPE_VIDEO, NO_ERRNO, "%s: Not implemented");
return 0;
/* HACK maybe not need it , but seems that is needed to mute before changing frequency */
if (ioctl(tuner_fd, BT848_GAUDIO, &old_audio) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: BT848_GAUDIO");
return -1;
}
if (ioctl(tuner_fd, TVTUNER_SETFREQ, &freq) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: Tuning (TVTUNER_SETFREQ) failed, ",
"freq [%lu]", freq);
return -1;
}
old_audio &= AUDIO_MUTE;
if (old_audio) {
old_audio = AUDIO_MUTE;
if (ioctl(tuner_fd , BT848_SAUDIO, &old_audio) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: BT848_SAUDIO %i",
old_audio);
return -1;
}
}
return 0;
}
/**
* set_input
* Sets the input to capture images , could be tuner (METEOR_INPUT_DEV1)
* or any of others input :
* RCA/COMPOSITE1 (METEOR_INPUT_DEV0)
* COMPOSITE2/S-VIDEO (METEOR_INPUT_DEV2)
* S-VIDEO (METEOR_INPUT_DEV3)
* VBI ?! (METEOR_INPUT_DEV_SVIDEO)
*/
static int set_input(struct video_dev *viddev, unsigned input)
{
int actport;
int portdata[] = { METEOR_INPUT_DEV0, METEOR_INPUT_DEV1,
METEOR_INPUT_DEV2, METEOR_INPUT_DEV3,
METEOR_INPUT_DEV_SVIDEO };
if (input >= array_elem(portdata)) {
MOTION_LOG(ERR, TYPE_VIDEO, NO_ERRNO, "%s: Channel Port %d out of range (0-4)",
input);
return -1;
}
actport = portdata[ input ];
if (ioctl(viddev->fd_bktr, METEORSINPUT, &actport) < 0) {
if (input != IN_DEFAULT) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSINPUT %d invalid -"
"Trying default %d", input, IN_DEFAULT);
input = IN_DEFAULT;
actport = portdata[ input ];
if (ioctl(viddev->fd_bktr, METEORSINPUT, &actport) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSINPUT %d init",
input);
return -1;
}
} else {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSINPUT %d init",
input);
return -1;
}
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d]", input);
return input;
}
static int set_geometry(struct video_dev *viddev, int width, int height)
{
struct meteor_geomet geom;
int h_max;
geom.columns = width;
geom.rows = height;
geom.oformat = METEOR_GEO_YUV_422 | METEOR_GEO_YUV_12;
switch (viddev->norm) {
case PAL:
h_max = PAL_HEIGHT;
break;
case NTSC:
h_max = NTSC_HEIGHT;
break;
case SECAM:
h_max = SECAM_HEIGHT;
break;
default:
h_max = PAL_HEIGHT;
}
if (height <= h_max / 2)
geom.oformat |= METEOR_GEO_EVEN_ONLY;
geom.frames = 1;
if (ioctl(viddev->fd_bktr, METEORSETGEO, &geom) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: Couldn't set the geometry");
return -1;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to [%d/%d] Norm %d",
width, height, viddev->norm);
return 0;
}
/**
* set_input_format
* Sets input format ( PAL, NTSC, SECAM, etc ... )
*/
static int set_input_format(struct video_dev *viddev, unsigned newformat)
{
int input_format[] = { NORM_PAL_NEW, NORM_NTSC_NEW, NORM_SECAM_NEW, NORM_DEFAULT_NEW};
int format;
if (newformat >= array_elem(input_format)) {
MOTION_LOG(WRN, TYPE_VIDEO, NO_ERRNO, "%s: Input format %d out of range (0-2)",
newformat);
return -1;
}
format = input_format[newformat];
if (ioctl(viddev->fd_bktr, BT848SFMT, &format) < 0) {
MOTION_LOG(WRN, TYPE_VIDEO, SHOW_ERRNO, "%s: BT848SFMT, Couldn't set the input format, "
"try again with default");
format = NORM_DEFAULT_NEW;
newformat = 3;
if (ioctl(viddev->fd_bktr, BT848SFMT, &format) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: BT848SFMT, Couldn't set the input format "
"either default");
return -1;
}
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: to %d", newformat);
return newformat;
}
/*
statict int setup_pixelformat(int bktr)
{
int i;
struct meteor_pixfmt p;
int format=-1;
for (i = 0; ; i++) {
p.index = i;
if (ioctl(bktr, METEORGSUPPIXFMT, &p) < 0) {
if (errno == EINVAL)
break;
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORGSUPPIXFMT getting pixformat %d", i);
return -1;
}
// Hack from xawtv 4.x
switch (p.type) {
case METEOR_PIXTYPE_RGB:
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB");
switch (p.masks[0]) {
case 31744: // 15 bpp
format = p.swap_bytes ? VIDEO_RGB15_LE : VIDEO_RGB15_BE;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB VIDEO_RGB15");
break;
case 63488: // 16 bpp
format = p.swap_bytes ? VIDEO_RGB16_LE : VIDEO_RGB16_BE;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB VIDEO_RGB16");
break;
case 16711680: // 24/32 bpp
if (p.Bpp == 3 && p.swap_bytes == 1) {
format = VIDEO_BGR24;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB VIDEO_BGR24");
} else if (p.Bpp == 4 && p.swap_bytes == 1 && p.swap_shorts == 1) {
format = VIDEO_BGR32;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB VIDEO_BGR32");
} else if (p.Bpp == 4 && p.swap_bytes == 0 && p.swap_shorts == 0) {
format = VIDEO_RGB32;
MOTION_LOG(EMG, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_RGB VIDEO_RGB32");
}
}
break;
case METEOR_PIXTYPE_YUV:
format = VIDEO_YUV422P;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_YUV");
break;
case METEOR_PIXTYPE_YUV_12:
format = VIDEO_YUV422P;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_YUV_12");
break;
case METEOR_PIXTYPE_YUV_PACKED:
format = VIDEO_YUV422P;
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: setup_pixelformat METEOR_PIXTYPE_YUV_PACKED");
break;
}
if (p.type == METEOR_PIXTYPE_RGB && p.Bpp == 3) {
// Found a good pixeltype -- set it up
if (ioctl(bktr, METEORSACTPIXFMT, &i) < 0) {
MOTION_LOG(WRN, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSACTPIXFMT etting pixformat METEOR_PIXTYPE_RGB Bpp == 3");
// Not immediately fatal
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: input format METEOR_PIXTYPE_RGB %i", i);
format = i;
}
if (p.type == METEOR_PIXTYPE_YUV_PACKED) {
// Found a good pixeltype -- set it up
if (ioctl(bktr, METEORSACTPIXFMT, &i) < 0) {
MOTION_LOG(WRN, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORSACTPIXFMT setting pixformat METEOR_PIXTYPE_YUV_PACKED");
// Not immediately fatal
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: input format METEOR_PIXTYPE_YUV_PACKED %i", i);
format = i;
}
}
return format;
}
*/
static void v4l_picture_controls(struct context *cnt, struct video_dev *viddev)
{
int dev = viddev->fd_bktr;
if ((cnt->conf.contrast) && (cnt->conf.contrast != viddev->contrast)) {
set_contrast(dev, cnt->conf.contrast);
viddev->contrast = cnt->conf.contrast;
}
if ((cnt->conf.hue) && (cnt->conf.hue != viddev->hue)) {
set_hue(dev, cnt->conf.hue);
viddev->hue = cnt->conf.hue;
}
if ((cnt->conf.brightness) &&
(cnt->conf.brightness != viddev->brightness)) {
set_brightness(dev, cnt->conf.brightness);
viddev->brightness = cnt->conf.brightness;
}
if ((cnt->conf.saturation) &&
(cnt->conf.saturation != viddev->saturation)) {
set_saturation(dev, cnt->conf.saturation);
viddev->saturation = cnt->conf.saturation;
}
}
/*******************************************************************************************
Video capture routines
- set input
- setup_pixelformat
- set_geometry
- set_brightness
- set_chroma
- set_contrast
- set_channelset
- set_channel
- set_capture_mode
*/
static unsigned char *v4l_start(struct video_dev *viddev, int width, int height,
unsigned input, unsigned norm, unsigned long freq)
{
int dev_bktr = viddev->fd_bktr;
struct sigaction act, old;
//int dev_tunner = viddev->fd_tuner;
/* to ensure that all device will be support the capture mode
_TODO_ : Autodected the best capture mode .
*/
int dummy = 1;
// int pixelformat = BSD_VIDFMT_I420;
void *map;
/* If we have choose the tuner is needed to setup the frequency. */
if ((viddev->tuner_device != NULL) && (input == IN_TV)) {
if (!freq) {
MOTION_LOG(WRN, TYPE_VIDEO, NO_ERRNO, "%s: Not valid Frequency [%lu] for "
"Source input [%i]", freq, input);
return NULL;
} else if (set_freq(viddev, freq) == -1) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: Frequency [%lu] Source input [%i]",
freq, input);
return NULL;
}
}
/* FIXME if we set as input tuner , we need to set option for tuner not for bktr */
if ((dummy = set_input(viddev, input)) == -1) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: set input [%d]", input);
return NULL;
}
viddev->input = dummy;
if ((dummy = set_input_format(viddev, norm)) == -1) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: set input format [%d]",
norm);
return NULL;
}
viddev->norm = dummy;
if (set_geometry(viddev, width, height) == -1) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: set geometry [%d]x[%d]",
width, height);
return NULL;
}
/*
if (ioctl(dev_bktr, METEORSACTPIXFMT, &pixelformat) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: set encoding method BSD_VIDFMT_I420");
return NULL;
}
NEEDED !? FIXME
if (setup_pixelformat(viddev) == -1)
return NULL;
*/
if (freq) {
MOTION_LOG(WRN, TYPE_VIDEO, NO_ERRNO, "%s: Frequency set (no implemented yet");
/*
TODO missing implementation
set_channelset(viddev);
set_channel(viddev);
if (set_freq (viddev, freq) == -1)
return NULL;
*/
}
/*
* Set capture mode and capture buffers
* That is the buffer size for capture images ,
* so is dependent of color space of input format / FIXME
*/
viddev->v4l_bufsize = (((width * height * 3 / 2)) * sizeof(unsigned char));
viddev->v4l_fmt = VIDEO_PALETTE_YUV420P;
map = mmap((caddr_t)0, viddev->v4l_bufsize, PROT_READ|PROT_WRITE, MAP_SHARED,
dev_bktr, (off_t)0);
if (map == MAP_FAILED) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: mmap failed");
return NULL;
}
/* FIXME double buffer */
if (0) {
viddev->v4l_maxbuffer = 2;
viddev->v4l_buffers[0] = map;
viddev->v4l_buffers[1] = (unsigned char *)map + 0; /* 0 is not valid just a test */
//viddev->v4l_buffers[1] = map+vid_buf.offsets[1];
} else {
viddev->v4l_buffers[0] = map;
viddev->v4l_maxbuffer = 1;
}
viddev->v4l_curbuffer = 0;
/* Clear the buffer */
if (ioctl(dev_bktr, BT848SCBUF, &dummy) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: BT848SCBUF");
return NULL;
}
/* Signal handler to know when data is ready to be read() */
memset(&act, 0, sizeof(act));
sigemptyset(&act.sa_mask);
act.sa_handler = catchsignal;
sigaction(SIGUSR2, &act, &old);
dummy = SIGUSR2;
//viddev->capture_method = METEOR_CAP_CONTINOUS;
//viddev->capture_method = METEOR_CAP_SINGLE;
if ((viddev->capture_method == METEOR_CAP_CONTINOUS) &&
(ioctl(dev_bktr, METEORSSIGNAL, &dummy) < 0)) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: METEORSSIGNAL");
viddev->capture_method = METEOR_CAP_SINGLE;
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORCAPTUR using single method "
"Error capturing");
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: METEORCAPTUR using single method "
"Error capturing");
}
} else {
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
viddev->capture_method = METEOR_CAP_SINGLE;
if (ioctl(dev_bktr, METEORCAPTUR, &viddev->capture_method) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: METEORCAPTUR using single method "
"Error capturing");
}
}
}
if (viddev->capture_method == METEOR_CAP_CONTINOUS)
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: METEORCAPTUR METEOR_CAP_CONTINOUS");
else
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: METEORCAPTUR METEOR_CAP_SINGLE");
// settle , sleep(1) replaced
SLEEP(1, 0);
/* FIXME */
switch (viddev->v4l_fmt) {
case VIDEO_PALETTE_YUV420P:
viddev->v4l_bufsize = (width * height * 3) / 2;
break;
case VIDEO_PALETTE_YUV422:
viddev->v4l_bufsize = (width * height * 2);
break;
case VIDEO_PALETTE_RGB24:
viddev->v4l_bufsize = (width * height * 3);
break;
case VIDEO_PALETTE_GREY:
viddev->v4l_bufsize = width * height;
break;
}
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: HUE [%d]",
get_hue(dev_bktr, &dummy));
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: SATURATION [%d]",
get_saturation(dev_bktr, &dummy));
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: BRIGHTNESS [%d]",
get_brightness(dev_bktr, &dummy));
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: CONTRAST [%d]",
get_contrast(dev_bktr, &dummy));
return map;
}
/**
* v4l_next fetches a video frame from a v4l device
* Parameters:
* viddev Pointer to struct containing video device handle
* map Pointer to the buffer in which the function puts the new image
* width Width of image in pixels
* height Height of image in pixels
*
* Returns
* 0 Success
* -1 Fatal error
* 1 Non fatal error (not implemented)
*/
static int v4l_next(struct video_dev *viddev, unsigned char *map, int width, int height)
{
int dev_bktr = viddev->fd_bktr;
unsigned char *cap_map = NULL;
int single = METEOR_CAP_SINGLE;
sigset_t set, old;
/* ONLY MMAP method is used to Capture */
/*
* Allocates a new mmap buffer
* Block signals during IOCTL
*/
sigemptyset (&set);
sigaddset (&set, SIGCHLD);
sigaddset (&set, SIGALRM);
sigaddset (&set, SIGUSR1);
sigaddset (&set, SIGTERM);
sigaddset (&set, SIGHUP);
pthread_sigmask(SIG_BLOCK, &set, &old);
cap_map = viddev->v4l_buffers[viddev->v4l_curbuffer];
viddev->v4l_curbuffer++;
if (viddev->v4l_curbuffer >= viddev->v4l_maxbuffer)
viddev->v4l_curbuffer = 0;
/* Capture */
if (viddev->capture_method == METEOR_CAP_CONTINOUS) {
if (bktr_frame_waiting)
bktr_frame_waiting = 0;
} else if (ioctl(dev_bktr, METEORCAPTUR, &single) < 0) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: Error capturing using single method");
sigprocmask(SIG_UNBLOCK, &old, NULL);
return -1;
}
/* Undo the signal blocking */
pthread_sigmask(SIG_UNBLOCK, &old, NULL);
switch (viddev->v4l_fmt) {
case VIDEO_PALETTE_RGB24:
rgb24toyuv420p(map, cap_map, width, height);
break;
case VIDEO_PALETTE_YUV422:
yuv422to420p(map, cap_map, width, height);
break;
default:
memcpy(map, cap_map, viddev->v4l_bufsize);
}
return 0;
}
/**
* v4l_set_input
* Sets input & freq if needed FIXME not allowed use Tuner yet.
*/
static void v4l_set_input(struct context *cnt, struct video_dev *viddev, unsigned char *map, int width,
int height, unsigned input, unsigned norm, int skip, unsigned long freq)
{
if (input != viddev->input || norm != viddev->norm || freq != viddev->freq) {
int dummy;
unsigned long frequnits = freq;
if ((dummy = set_input(viddev, input)) == -1)
return;
viddev->input = dummy;
if ((dummy = set_input_format(viddev, norm)) == -1)
return;
viddev->norm = dummy;
if ((viddev->tuner_device != NULL) && (viddev->input == IN_TV) &&
(frequnits > 0)) {
if (set_freq(viddev, freq) == -1)
return;
}
// FIXME
/*
if (setup_pixelformat(viddev) == -1) {
MOTION_LOG(ERR, TYPE_VIDEO, SHOW_ERRNO, "%s: ioctl (VIDIOCSFREQ)");
return
}
if (set_geometry(viddev, width, height) == -1)
return;
*/
v4l_picture_controls(cnt, viddev);
viddev->freq = freq;
/* skip a few frames if needed */
for (dummy = 0; dummy < skip; dummy++)
v4l_next(viddev, map, width, height);
} else {
/* No round robin - we only adjust picture controls */
v4l_picture_controls(cnt, viddev);
}
}
/*****************************************************************************
Wrappers calling the current capture routines
*****************************************************************************/
/*
vid_init - Initi vid_mutex.
vid_start - Setup Device parameters ( device , channel , freq , contrast , hue , saturation , brightness ) and open it.
vid_next - Capture a frame and set input , contrast , hue , saturation and brightness if necessary.
vid_close - close devices.
vid_cleanup - Destroy vid_mutex.
*/
/*
* Big lock for vid_start to ensure exclusive access to viddevs while adding
* devices during initialization of each thread.
*/
static pthread_mutex_t vid_mutex;
/*
* Here we setup the viddevs structure which is used globally in the vid_*
* functions.
*/
static struct video_dev *viddevs = NULL;
/**
* vid_init
*
* Called from motion.c at the very beginning before setting up the threads.
* Function prepares the vid_mutex.
*/
void vid_init(void)
{
pthread_mutex_init(&vid_mutex, NULL);
}
/**
* vid_cleanup
*
* vid_cleanup is called from motion.c when Motion is stopped or restarted.
*/
void vid_cleanup(void)
{
pthread_mutex_destroy(&vid_mutex);
}
#endif /*WITHOUT_V4L*/
/**
* vid_close
*
* vid_close is called from motion.c when a Motion thread is stopped or restarted.
*/
void vid_close(struct context *cnt)
{
#ifndef WITHOUT_V4L
struct video_dev *dev = viddevs;
struct video_dev *prev = NULL;
#endif
/* Cleanup the netcam part */
if (cnt->netcam) {
netcam_cleanup(cnt->netcam, 0);
cnt->netcam = NULL;
return;
}
#ifndef WITHOUT_V4L
/* Cleanup the v4l part */
pthread_mutex_lock(&vid_mutex);
while (dev) {
if (dev->fd_bktr == cnt->video_dev)
break;
prev = dev;
dev = dev->next;
}
pthread_mutex_unlock(&vid_mutex);
/* Set it as closed in thread context. */
cnt->video_dev = -1;
if (dev == NULL) {
MOTION_LOG(CRT, TYPE_VIDEO, NO_ERRNO, "%s: Unable to find video device");
return;
}
if (--dev->usage_count == 0) {
MOTION_LOG(NTC, TYPE_VIDEO, NO_ERRNO, "%s: Closing video device %s",
dev->video_device);
if (dev->fd_tuner > 0)