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zynq_7010/gvideoisp1.cpp

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#include "gvideoisp1.h"
#include <fcntl.h> /* low-level i/o */
#include <unistd.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include "linux/videodev2.h"
#include "linux/v4l2-subdev.h"
#include <dlfcn.h>
#include "string.h"
#include <iostream>
#include <malloc.h>
#define LOG_TRACE(...)
#define LOG_ERROR printf
#define LOG_INFO(...)
static const std::string loggername = "GVideoISP1";
#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
#define CLEAR(x) memset(&(x), 0, sizeof(x))
#define V4L2_BUF_TYPE_META_OUTPUT 14
#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
static struct {
enum v4l2_buf_type type;
bool supported;
const char *name;
const char *string;
} buf_types[] = {
{ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 1, "Video capture mplanes", "capture-mplane", },
{ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 1, "Video output", "output-mplane", },
{ V4L2_BUF_TYPE_VIDEO_CAPTURE, 1, "Video capture", "capture", },
{ V4L2_BUF_TYPE_VIDEO_OUTPUT, 1, "Video output mplanes", "output", },
{ V4L2_BUF_TYPE_VIDEO_OVERLAY, 0, "Video overlay", "overlay" },
//{ V4L2_BUF_TYPE_META_CAPTURE, 1, "Meta-data capture", "meta-capture", }//,
};
static struct v4l2_format_info {
const char *name;
unsigned int fourcc;
unsigned char n_planes;
} pixel_formats[] = {
{ "RGB332", V4L2_PIX_FMT_RGB332, 1 },
{ "RGB444", V4L2_PIX_FMT_RGB444, 1 },
{ "ARGB444", V4L2_PIX_FMT_ARGB444, 1 },
{ "XRGB444", V4L2_PIX_FMT_XRGB444, 1 },
{ "RGB555", V4L2_PIX_FMT_RGB555, 1 },
{ "ARGB555", V4L2_PIX_FMT_ARGB555, 1 },
{ "XRGB555", V4L2_PIX_FMT_XRGB555, 1 },
{ "RGB565", V4L2_PIX_FMT_RGB565, 1 },
{ "RGB555X", V4L2_PIX_FMT_RGB555X, 1 },
{ "RGB565X", V4L2_PIX_FMT_RGB565X, 1 },
{ "BGR666", V4L2_PIX_FMT_BGR666, 1 },
{ "BGR24", V4L2_PIX_FMT_BGR24, 1 },
{ "RGB24", V4L2_PIX_FMT_RGB24, 1 },
{ "BGR32", V4L2_PIX_FMT_BGR32, 1 },
{ "ABGR32", V4L2_PIX_FMT_ABGR32, 1 },
{ "XBGR32", V4L2_PIX_FMT_XBGR32, 1 },
{ "RGB32", V4L2_PIX_FMT_RGB32, 1 },
{ "ARGB32", V4L2_PIX_FMT_ARGB32, 1 },
{ "XRGB32", V4L2_PIX_FMT_XRGB32, 1 },
//{ "HSV24", V4L2_PIX_FMT_HSV24, 1 },
//{ "HSV32", V4L2_PIX_FMT_HSV32, 1 },
{ "Y8", V4L2_PIX_FMT_GREY, 1 },
{ "Y10", V4L2_PIX_FMT_Y10, 1 },
{ "Y12", V4L2_PIX_FMT_Y12, 1 },
{ "Y16", V4L2_PIX_FMT_Y16, 1 },
{ "UYVY", V4L2_PIX_FMT_UYVY, 1 },
{ "VYUY", V4L2_PIX_FMT_VYUY, 1 },
{ "YUYV", V4L2_PIX_FMT_YUYV, 1 },
{ "YVYU", V4L2_PIX_FMT_YVYU, 1 },
{ "NV12", V4L2_PIX_FMT_NV12, 1 },
{ "NV12M", V4L2_PIX_FMT_NV12M, 2 },
{ "NV21", V4L2_PIX_FMT_NV21, 1 },
{ "NV21M", V4L2_PIX_FMT_NV21M, 2 },
{ "NV16", V4L2_PIX_FMT_NV16, 1 },
{ "NV16M", V4L2_PIX_FMT_NV16M, 2 },
{ "NV61", V4L2_PIX_FMT_NV61, 1 },
{ "NV61M", V4L2_PIX_FMT_NV61M, 2 },
{ "NV24", V4L2_PIX_FMT_NV24, 1 },
{ "NV42", V4L2_PIX_FMT_NV42, 1 },
{ "YUV420M", V4L2_PIX_FMT_YUV420M, 3 },
{ "YUV422M", V4L2_PIX_FMT_YUV422M, 3 },
{ "YUV444M", V4L2_PIX_FMT_YUV444M, 3 },
{ "YVU420M", V4L2_PIX_FMT_YVU420M, 3 },
{ "YVU422M", V4L2_PIX_FMT_YVU422M, 3 },
{ "YVU444M", V4L2_PIX_FMT_YVU444M, 3 },
{ "SBGGR8", V4L2_PIX_FMT_SBGGR8, 1 },
{ "SGBRG8", V4L2_PIX_FMT_SGBRG8, 1 },
{ "SGRBG8", V4L2_PIX_FMT_SGRBG8, 1 },
{ "SRGGB8", V4L2_PIX_FMT_SRGGB8, 1 },
{ "SBGGR10_DPCM8", V4L2_PIX_FMT_SBGGR10DPCM8, 1 },
{ "SGBRG10_DPCM8", V4L2_PIX_FMT_SGBRG10DPCM8, 1 },
{ "SGRBG10_DPCM8", V4L2_PIX_FMT_SGRBG10DPCM8, 1 },
{ "SRGGB10_DPCM8", V4L2_PIX_FMT_SRGGB10DPCM8, 1 },
{ "SBGGR10", V4L2_PIX_FMT_SBGGR10, 1 },
{ "SGBRG10", V4L2_PIX_FMT_SGBRG10, 1 },
{ "SGRBG10", V4L2_PIX_FMT_SGRBG10, 1 },
{ "SRGGB10", V4L2_PIX_FMT_SRGGB10, 1 },
{ "SBGGR10P", V4L2_PIX_FMT_SBGGR10P, 1 },
{ "SGBRG10P", V4L2_PIX_FMT_SGBRG10P, 1 },
{ "SGRBG10P", V4L2_PIX_FMT_SGRBG10P, 1 },
{ "SRGGB10P", V4L2_PIX_FMT_SRGGB10P, 1 },
{ "SBGGR12", V4L2_PIX_FMT_SBGGR12, 1 },
{ "SGBRG12", V4L2_PIX_FMT_SGBRG12, 1 },
{ "SGRBG12", V4L2_PIX_FMT_SGRBG12, 1 },
{ "SRGGB12", V4L2_PIX_FMT_SRGGB12, 1 },
{ "DV", V4L2_PIX_FMT_DV, 1 },
{ "MJPEG", V4L2_PIX_FMT_MJPEG, 1 },
{ "MPEG", V4L2_PIX_FMT_MPEG, 1 },
};
static const struct {
const char *name;
enum v4l2_field field;
} fields[] = {
{ "any", V4L2_FIELD_ANY },
{ "none", V4L2_FIELD_NONE },
{ "top", V4L2_FIELD_TOP },
{ "bottom", V4L2_FIELD_BOTTOM },
{ "interlaced", V4L2_FIELD_INTERLACED },
{ "seq-tb", V4L2_FIELD_SEQ_TB },
{ "seq-bt", V4L2_FIELD_SEQ_BT },
{ "alternate", V4L2_FIELD_ALTERNATE },
{ "interlaced-tb", V4L2_FIELD_INTERLACED_TB },
{ "interlaced-bt", V4L2_FIELD_INTERLACED_BT },
};
GVideoISP1::GVideoISP1()
{
dev_name = "/dev/video0";
}
GVideoISP1::~GVideoISP1()
{
}
void* GVideoISP1::read_frame(int timeout)
{
if (!wait(timeout)){
LOG_TRACE("read frame time out!!!\n" );
return 0;
}
struct v4l2_plane planes[VIDEO_MAX_PLANES];
v4l2_buffer buf;
int ret;
memset(&buf, 0, sizeof buf);
memset(planes, 0, sizeof planes);
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf.memory = V4L2_MEMORY_MMAP;
buf.length = VIDEO_MAX_PLANES;
buf.m.planes = planes;
ret = ioctl(fd, VIDIOC_DQBUF, &buf);
if (ret < 0)
LOG_TRACE( "Unable to dequeue buffer: %s (%d).",strerror(errno), errno);
else
LOG_TRACE( "VIDIOC_DQBUF sucess");
ret = ioctl(fd, VIDIOC_QBUF, &buf);
if (ret < 0)
LOG_ERROR( "Unable to requeue buffer: %s (%d).\n",strerror(errno), errno);
else
LOG_TRACE( "VIDIOC_QBUF sucess");
LOG_TRACE( "buf.index = %d,buf.addr = %p\n",buf.index,buffers[buf.index].start);
return buffers[buf.index].start;
}
void GVideoISP1::start_capturing(void) {
unsigned int i;
int ret;
enum v4l2_buf_type type;
for (i = 0; i < n_buffers; ++i) {
struct v4l2_buffer buf;
struct v4l2_plane planes[VIDEO_MAX_PLANES];
CLEAR(buf);
CLEAR(planes);
for(int j = 0; j < VIDEO_MAX_PLANES; j++)
{
planes[j].length = buffers[i].length;
planes[j].m.userptr =(unsigned long)buffers[i].start;
}
buf.index = i;
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf.memory = V4L2_MEMORY_MMAP;
buf.m.planes = planes;
buf.length = 1;
ret = ioctl(fd, VIDIOC_QBUF, &buf);
if (ret < 0)
LOG_ERROR( "Unable to queue buffer: %s (%d).",strerror(errno), errno);
else
LOG_TRACE( "buf.index = %d VIDIOC_QBUF sucess.",i);
}
type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
ret = ioctl(fd, VIDIOC_STREAMON, &type);
if (ret < 0)
LOG_ERROR( "Unable to %s streaming: %s (%d).","start", strerror(errno), errno);
else
LOG_TRACE( "VIDIOC_STREAMON sucess.");
}
void GVideoISP1::stop_capturing(void) {
enum v4l2_buf_type type;
type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
if (-1 == ioctl(fd, VIDIOC_STREAMOFF, &type))
LOG_ERROR( "streamo off error\n");
}
static void get_ts_flags(uint32_t flags, const char **ts_type, const char **ts_source)
{
switch (flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) {
case V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN:
*ts_type = "unk";
break;
case V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC:
*ts_type = "mono";
break;
case V4L2_BUF_FLAG_TIMESTAMP_COPY:
*ts_type = "copy";
break;
default:
*ts_type = "inv";
}
switch (flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK) {
case V4L2_BUF_FLAG_TSTAMP_SRC_EOF:
*ts_source = "EoF";
break;
case V4L2_BUF_FLAG_TSTAMP_SRC_SOE:
*ts_source = "SoE";
break;
default:
*ts_source = "inv";
}
}
static const char *v4l2_buf_type_name(__u32 type)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(buf_types); ++i) {
if (buf_types[i].type == type)
return buf_types[i].name;
}
if (type & V4L2_BUF_TYPE_PRIVATE)
return "Private";
else
return "Unknown";
}
static const struct v4l2_format_info *v4l2_format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(pixel_formats); ++i) {
if (pixel_formats[i].fourcc == fourcc)
return &pixel_formats[i];
}
return NULL;
}
static const char *v4l2_format_name(unsigned int fourcc)
{
const struct v4l2_format_info *info;
static char name[5];
unsigned int i;
info = v4l2_format_by_fourcc(fourcc);
if (info)
return info->name;
for (i = 0; i < 4; ++i) {
name[i] = fourcc & 0xff;
fourcc >>= 8;
}
name[4] = '\0';
return name;
}
static void video_enum_frame_intervals(int fd, __u32 pixelformat,
unsigned int width, unsigned int height)
{
struct v4l2_frmivalenum ival;
unsigned int i;
int ret;
for (i = 0; ; ++i) {
memset(&ival, 0, sizeof ival);
ival.index = i;
ival.pixel_format = pixelformat;
ival.width = width;
ival.height = height;
ret = ioctl(fd, VIDIOC_ENUM_FRAMEINTERVALS, &ival);
if (ret < 0)
break;
if (i != ival.index)
LOG_TRACE( "Warning: driver returned wrong ival index " "%u.\n", ival.index);
if (pixelformat != ival.pixel_format)
LOG_TRACE( "Warning: driver returned wrong ival pixel " "format %08x.\n", ival.pixel_format);
if (width != ival.width)
LOG_TRACE( "Warning: driver returned wrong ival width " "%u.\n", ival.width);
if (height != ival.height)
LOG_TRACE( "Warning: driver returned wrong ival height " "%u.\n", ival.height);
if (i != 0)
LOG_TRACE(", ");
switch (ival.type) {
case V4L2_FRMIVAL_TYPE_DISCRETE:
LOG_TRACE( "%u/%u", ival.discrete.numerator, ival.discrete.denominator);
break;
case V4L2_FRMIVAL_TYPE_CONTINUOUS:
LOG_TRACE( "%u/%u - %u/%u", ival.stepwise.min.numerator, ival.stepwise.min.denominator, ival.stepwise.max.numerator, ival.stepwise.max.denominator);
return;
case V4L2_FRMIVAL_TYPE_STEPWISE:
LOG_TRACE( "%u/%u - %u/%u (by %u/%u)", ival.stepwise.min.numerator, ival.stepwise.min.denominator, ival.stepwise.max.numerator, ival.stepwise.max.denominator, ival.stepwise.step.numerator, ival.stepwise.step.denominator);
return;
default:
break;
}
}
}
static void video_enum_frame_sizes(int fd, __u32 pixelformat)
{
struct v4l2_frmsizeenum frame;
unsigned int i;
int ret;
for (i = 0; ; ++i) {
memset(&frame, 0, sizeof frame);
frame.index = i;
frame.pixel_format = pixelformat;
ret = ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &frame);
if (ret < 0)
break;
if (i != frame.index)
LOG_TRACE( "Warning: driver returned wrong frame index " "%u.\n", frame.index);
if (pixelformat != frame.pixel_format)
LOG_TRACE( "Warning: driver returned wrong frame pixel " "format %08x.\n", frame.pixel_format);
switch (frame.type) {
case V4L2_FRMSIZE_TYPE_DISCRETE:
LOG_TRACE( "\tFrame size: %ux%u (", frame.discrete.width, frame.discrete.height);
video_enum_frame_intervals(fd, frame.pixel_format, frame.discrete.width, frame.discrete.height);
break;
case V4L2_FRMSIZE_TYPE_CONTINUOUS:
LOG_TRACE( "\tFrame size: %ux%u - %ux%u (", frame.stepwise.min_width, frame.stepwise.min_height, frame.stepwise.max_width, frame.stepwise.max_height);
video_enum_frame_intervals(fd, frame.pixel_format, frame.stepwise.max_width, frame.stepwise.max_height);
break;
case V4L2_FRMSIZE_TYPE_STEPWISE:
LOG_TRACE( "\tFrame size: %ux%u - %ux%u (by %ux%u) (\n", frame.stepwise.min_width, frame.stepwise.min_height, frame.stepwise.max_width, frame.stepwise.max_height, frame.stepwise.step_width, frame.stepwise.step_height);
video_enum_frame_intervals(fd, frame.pixel_format, frame.stepwise.max_width, frame.stepwise.max_height);
break;
default:
break;
}
}
}
static void video_enum_formats(int fd, enum v4l2_buf_type type)
{
struct v4l2_fmtdesc fmt;
unsigned int i;
int ret;
for (i = 0; ; ++i) {
memset(&fmt, 0, sizeof fmt);
fmt.index = i;
fmt.type = type;
ret = ioctl(fd, VIDIOC_ENUM_FMT, &fmt);
if (ret < 0)
break;
if (i != fmt.index)
LOG_TRACE( "Warning: driver returned wrong format index " "%u.\n", fmt.index);
if (type != fmt.type)
LOG_TRACE( "Warning: driver returned wrong format type " "%u.\n", fmt.type);
LOG_TRACE( "\tFormat %u: %s (%08x)\n", i, v4l2_format_name(fmt.pixelformat), fmt.pixelformat);
LOG_TRACE( "\tType: %s (%u)\n", v4l2_buf_type_name(fmt.type), fmt.type);
LOG_TRACE( "\tName: %.32s\n", fmt.description);
video_enum_frame_sizes(fd, fmt.pixelformat);
}
}
static void video_enum_inputs(int fd)
{
struct v4l2_input input;
unsigned int i;
int ret;
for (i = 0; ; ++i) {
memset(&input, 0, sizeof input);
input.index = i;
ret = ioctl(fd, VIDIOC_ENUMINPUT, &input);
if (ret < 0)
break;
if (i != input.index)
LOG_TRACE( "Warning: driver returned wrong input index " "%u.\n", input.index);
LOG_TRACE( "\tInput %u: %s.\n", i, input.name);
}
}
static const char *v4l2_field_name(__u32 field)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(fields); ++i) {
if (fields[i].field == field)
return fields[i].name;
}
return "unknown";
}
static void rkisp_sd_set_crop(const char *ispsd, int fd, int pad, int *w, int *h)
{
struct v4l2_subdev_selection sel;
int ret;
memset(&sel, 0, sizeof(sel));
sel.which = V4L2_SUBDEV_FORMAT_ACTIVE;
sel.pad = pad;
sel.r.width = *w;
sel.r.height = *h;
sel.r.left = 0;
sel.r.top = 0;
sel.target = V4L2_SEL_TGT_CROP;
sel.flags = V4L2_SEL_FLAG_LE;
ret = ioctl(fd, VIDIOC_SUBDEV_S_SELECTION, &sel);
if (ret) {
LOG_ERROR( "subdev %s pad %d crop failed, ret = %d\n", ispsd, sel.pad, ret);
}
else {
LOG_TRACE( "VIDIOC_SUBDEV_S_SELECTION sucess.\n");
}
*w = sel.r.width;
*h = sel.r.height;
}
static void rkisp_video_set_crop(int fd, int x, int y, int w, int h)
{
struct v4l2_selection sel;
int ret;
memset(&sel, 0, sizeof(sel));
sel.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
sel.r.width = w;
sel.r.height = h;
sel.r.left = x;
sel.r.top = y;
sel.target = V4L2_SEL_TGT_CROP;
sel.flags = 0;
ret = ioctl(fd, VIDIOC_S_SELECTION, &sel);
if (ret) {
LOG_ERROR( "VIDIOC_S_SELECTION::set output crop(0,0/%dx%d) failed, %s\n", w, h, strerror(errno));
}
else {
LOG_TRACE( "sVIDIOC_S_SELECTION scuess\n");
}
}
void GVideoISP1::init_device(void) {
struct v4l2_capability cap;
struct v4l2_format fmt;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
struct v4l2_fmtdesc fmt_1;
struct v4l2_frmsizeenum frmsize;
struct v4l2_frmivalenum frmival;
struct v4l2_subdev_format subdev_fmt;
int subdev_fd;
unsigned int caps;
bool has_video;
bool has_meta;
bool has_capture;
bool has_output;
bool has_mplane;
int ret;
int i;
//---------------------------set /dev/v4l2-subdev*-------------------------------------//
//----------------------1.v4l2_subdev2 set format----------------------//
subdev_fd = ::open(subdev2_name.c_str(),O_RDWR,0);
if (-1 == subdev_fd) {
LOG_ERROR( "Cannot open '%s'\n", subdev2_name.c_str());
}
else {
LOG_TRACE( "open %s success.fd = %d.\n",subdev2_name.c_str(),subdev_fd);
}
memset(&subdev_fmt, 0, sizeof subdev_fmt);
subdev_fmt.pad = 0;
subdev_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_G_FMT, &subdev_fmt);
if (ret < 0) {
LOG_ERROR( "VIDIOC_SUBDEV_G_FMT failed.\n");
}
else {
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:height = %d;width = %d;code = %d.\n", subdev_fmt.format.height,subdev_fmt.format.width,subdev_fmt.format.code);
subdev_fmt.format.width = v4l_width;
subdev_fmt.format.height = v4l_height;
LOG_TRACE( "set height = %d\n",subdev_fmt.format.height);
LOG_TRACE( "set width = %d\n",subdev_fmt.format.width);
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_S_FMT, &subdev_fmt);
if (ret < 0) {
LOG_ERROR( "VIDIOC_SUBDEV_S_FMT failed.\n");
}
else {
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT:height = %d;width = %d;code = %d.\n", subdev_fmt.format.height,subdev_fmt.format.width,subdev_fmt.format.code);
::close(subdev_fd);
//-------------------------------------------------------------//
//----------------------2.v4l2_subdev0 set format::pad0----------------------//
subdev_fd = ::open(subdev0_name.c_str(),O_RDWR,0);
if (-1 == subdev_fd) {
LOG_ERROR( "Cannot open '%s'\n", subdev0_name.c_str());
}
else {
LOG_TRACE( "open %s success.fd = %d.\n",subdev0_name.c_str(),subdev_fd);
}
memset(&subdev_fmt, 0, sizeof subdev_fmt);
subdev_fmt.pad = 0;
subdev_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_G_FMT, &subdev_fmt);
if (ret < 0) {
LOG_ERROR( "VIDIOC_SUBDEV_G_FMT failed.\n");
}
else {
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:pad = %d;height = %d;width = %d;code = %d.\n", subdev_fmt.pad,subdev_fmt.format.height,subdev_fmt.format.width,subdev_fmt.format.code);
subdev_fmt.format.width = v4l_width;
subdev_fmt.format.height = v4l_height;
LOG_TRACE( "set height = %d;width = %d\n",subdev_fmt.format.height,subdev_fmt.format.width);
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_S_FMT, &subdev_fmt);
if (ret < 0) {
LOG_ERROR( "VIDIOC_SUBDEV_S_FMT failed.\n");
}
else {
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT:pad = %d;height = %d;width = %d;code = %d.\n", subdev_fmt.pad,subdev_fmt.format.height,subdev_fmt.format.width,subdev_fmt.format.code);
rkisp_sd_set_crop(subdev0_name.c_str(),subdev_fd, 0 , &v4l_width, &v4l_height);
LOG_TRACE( "v4l_set height = %d;width = %d\n",v4l_width,v4l_height);
//----------------------3.v4l2_subdev0 set format::pad2----------------------//
rkisp_sd_set_crop(subdev0_name.c_str(),subdev_fd, 2 , &v4l_width, &v4l_height);
LOG_TRACE( "v4l_set height = %d;width = %d\n",v4l_width,v4l_height);
memset(&subdev_fmt, 0, sizeof subdev_fmt);
subdev_fmt.pad = 2;
subdev_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_G_FMT, &subdev_fmt);
if (ret < 0)
{
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT failed.\n");
}
else
{
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:pad = %d\n",subdev_fmt.pad);
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:subdev_fmt.format.height = %d\n",subdev_fmt.format.height);
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:subdev_fmt.format.width = %d\n",subdev_fmt.format.width);
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:subdev_fmt.format.code = %d\n",subdev_fmt.format.code);
subdev_fmt.format.width = v4l_width;
subdev_fmt.format.height = v4l_height;
LOG_TRACE( "set height = %d\n",subdev_fmt.format.height);
LOG_TRACE( "set width = %d\n",subdev_fmt.format.width);
ret = ioctl(subdev_fd, VIDIOC_SUBDEV_S_FMT, &subdev_fmt);
if (ret < 0)
{
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT failed.\n");
}
else
{
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT SUCESS\n");
}
LOG_TRACE( "VIDIOC_SUBDEV_G_FMT:pad = %d\n",subdev_fmt.pad);
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT:subdev_fmt.format.height = %d\n",subdev_fmt.format.height);
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT:subdev_fmt.format.width = %d\n",subdev_fmt.format.width);
LOG_TRACE( "VIDIOC_SUBDEV_S_FMT:subdev_fmt.format.code = %d\n",subdev_fmt.format.code);
//-------------------------------------------------------------//
//-------4.set video selection(crop) because ispsd size changed------------------//
rkisp_video_set_crop(fd, 0, 0, v4l_width, v4l_height);
//----------------------1.VIDIOC_QUERYCAP----------------------//
memset(&cap, 0, sizeof cap);
if (-1 == ioctl(fd, VIDIOC_QUERYCAP, &cap))
ret = ioctl(fd, VIDIOC_QUERYCAP, &cap);
if (ret < 0)
{
LOG_TRACE( "VIDIOC_QUERYCAP failed.\n");
}
else
{
LOG_TRACE( "cap.capabilities = %x .\n",cap.capabilities);
LOG_TRACE( "cap.device_caps = %x .\n",cap.device_caps);
}
caps = cap.capabilities & V4L2_CAP_DEVICE_CAPS
? cap.device_caps : cap.capabilities;
has_video = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE |
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_VIDEO_OUTPUT_MPLANE |
V4L2_CAP_VIDEO_OUTPUT);
// has_meta = caps & (V4L2_CAP_META_CAPTURE |
// V4L2_CAP_META_OUTPUT);
// has_capture = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE |
// V4L2_CAP_VIDEO_CAPTURE |
// V4L2_CAP_META_CAPTURE);
has_output = caps & (V4L2_CAP_VIDEO_OUTPUT_MPLANE |
V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_META_OUTPUT);
has_mplane = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE |
V4L2_CAP_VIDEO_OUTPUT_MPLANE);
LOG_TRACE( "Device `%s' on `%s' (driver '%s') supports%s%s%s%s %s mplanes.\n", cap.card, cap.bus_info, cap.driver, has_video ? " video," : "", has_meta ? " meta-data," : "", has_capture ? " capture," : "", has_output ? " output," : "", has_mplane ? "with" : "without");
if (!(cap.capabilities & V4L2_CAP_STREAMING)) {
LOG_ERROR( "%s does not support streaming i/o\n", dev_name.c_str());
}
else {
LOG_TRACE( "%s support streaming i/o\n", dev_name.c_str());
}
//-------------------------------------------------------------//
//----------------------2.VIDIOC_ENUM_FMT----------------------//
LOG_TRACE( "- Available formats:\n");
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE = %d\n", V4L2_BUF_TYPE_VIDEO_CAPTURE);
video_enum_formats(fd, V4L2_BUF_TYPE_VIDEO_CAPTURE);
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = %d\n", V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
video_enum_formats(fd, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT = %d\n", V4L2_BUF_TYPE_VIDEO_OUTPUT);
video_enum_formats(fd, V4L2_BUF_TYPE_VIDEO_OUTPUT);
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = %d\n", V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
video_enum_formats(fd, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY = %d\n", V4L2_BUF_TYPE_VIDEO_OVERLAY);
video_enum_formats(fd, V4L2_BUF_TYPE_VIDEO_OVERLAY);
LOG_TRACE( "------------------------------------------------------\n");
//LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_META_CAPTURE = %d\n", V4L2_BUF_TYPE_META_CAPTURE));
//video_enum_formats(fd, V4L2_BUF_TYPE_META_CAPTURE);
LOG_TRACE( "------------------------------------------------------\n");
LOG_TRACE( "fmt.type = V4L2_BUF_TYPE_META_OUTPUT = %d\n", V4L2_BUF_TYPE_META_OUTPUT);
//video_enum_formats(fd, V4L2_BUF_TYPE_META_OUTPUT);
LOG_TRACE( "------------------------------------------------------\n");
//--------------------------------------------------------------//
//----------------------3.VIDIOC_ENUMINPUT----------------------//
LOG_TRACE( "- Available inputs:\n");
video_enum_inputs(fd);
//-------------------------------------------------------------//
//----------------------4.VIDIOC_S_FMT-------------------------//
LOG_TRACE( "..........................................................................\n");
CLEAR(fmt);
//fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
fmt.fmt.pix.width = v4l_width;
fmt.fmt.pix.height = v4l_height;
LOG_TRACE( "v4l2 VIDIOC_S_FMT width:%d, height:%d\n", fmt.fmt.pix.width, fmt.fmt.pix.height);
//fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
fmt.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_RGB24;
fmt.fmt.pix_mp.field = 0;
fmt.fmt.pix_mp.num_planes = 1;
fmt.fmt.pix_mp.flags = 0;
fmt.fmt.pix_mp.plane_fmt[0].bytesperline = 0;
fmt.fmt.pix_mp.plane_fmt[0].sizeimage = 0;
ret = ioctl(fd, VIDIOC_S_FMT, &fmt);
if (ret < 0) {
LOG_TRACE( "Unable to set format: %s (%d).\n", strerror(errno),errno);
}
else {
LOG_TRACE( "VIDIOC_S_FMT sucess.\n");
}
LOG_TRACE( "Video format set: %s (%08x) %ux%u field %s, %u planes: \n", v4l2_format_name(fmt.fmt.pix_mp.pixelformat), fmt.fmt.pix_mp.pixelformat, fmt.fmt.pix_mp.width, fmt.fmt.pix_mp.height, v4l2_field_name(fmt.fmt.pix_mp.field), fmt.fmt.pix_mp.num_planes);
for (i = 0; i < fmt.fmt.pix_mp.num_planes; i++) {
LOG_TRACE( " * bytesperline %u, buffer size %u\n", fmt.fmt.pix_mp.plane_fmt[i].bytesperline, fmt.fmt.pix_mp.plane_fmt[i].sizeimage);
}
//-------------------------------------------------------------//
//----------------------5.VIDIOC_G_FMT-------------------------//
memset(&fmt, 0, sizeof fmt);
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
ret = ioctl(fd, VIDIOC_G_FMT, &fmt);
if (ret < 0) {
LOG_TRACE( "Unable to get format: %s (%d).\n", strerror(errno),errno);
}
else {
LOG_TRACE("VIDIOC_G_FMT sucess.");
}
LOG_TRACE( "Video format: %s (%08x) %ux%u field %s, %u planes: \n", v4l2_format_name(fmt.fmt.pix_mp.pixelformat), fmt.fmt.pix_mp.pixelformat, fmt.fmt.pix_mp.width, fmt.fmt.pix_mp.height, v4l2_field_name(fmt.fmt.pix_mp.field), fmt.fmt.pix_mp.num_planes);
for (i = 0; i < fmt.fmt.pix_mp.num_planes; i++)
LOG_TRACE( " * bytesperline %u, buffer size %u\n", fmt.fmt.pix_mp.plane_fmt[i].bytesperline, fmt.fmt.pix_mp.plane_fmt[i].sizeimage);
::close(subdev_fd);
//-------------------------------------------------------------//
//6.VIDIOC_REQBUFS //7.VIDIOC_QUERYBUF mmmap
init_mmap();
//-------------------------------------------------------------//
}
void GVideoISP1::init_mmap(void)
{
struct v4l2_requestbuffers req;
int ret;
unsigned int length;
unsigned int offset;
CLEAR(req);
req.count = v4l_buffer_count;
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
req.memory = V4L2_MEMORY_MMAP;
LOG_INFO("set v4l_buffer_count = %d\n", req.count);
LOG_INFO("set v4l_buffer_type = %d\n", req.type);
LOG_INFO("set v4l_buffer_memory = %d\n", req.memory);
ret = ioctl(fd, VIDIOC_REQBUFS, &req);
if (ret < 0)
{
LOG_ERROR("Unable to request buffers: %s (%d).\n", strerror(errno), errno);
}
else
{
LOG_INFO("%s VIDIOC_REQBUFS sucess\n", dev_name.c_str());
}
LOG_INFO("%u buffers requested.\n", req.count);
buffers.resize(req.count);
if (buffers.empty())
LOG_ERROR("Out of memory\n");
// 7.VIDIOC_QUERYBUF
for (n_buffers = 0; n_buffers < req.count; ++n_buffers)
{
const char *ts_type, *ts_source;
struct v4l2_buffer buf;
struct v4l2_plane planes[VIDEO_MAX_PLANES];
CLEAR(buf);
CLEAR(planes);
buf.index = n_buffers;
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf.memory = V4L2_MEMORY_MMAP;
buf.length = VIDEO_MAX_PLANES;
buf.m.planes = planes;
ret = ioctl(fd, VIDIOC_QUERYBUF, &buf);
if (ret < 0)
LOG_ERROR("Unable to query buffer %u: %s (%d).\n", n_buffers, strerror(errno), errno);
else
LOG_INFO("index %d VIDIOC_QUERYBUF sucess.\n", n_buffers);
// mmap
unsigned int length;
unsigned int offset;
length = buf.m.planes[0].length;
offset = buf.m.planes[0].m.mem_offset;
LOG_INFO("Buffer %u length = %d.\n", n_buffers, length);
LOG_INFO("Buffer %u offset = %d.\n", n_buffers, offset);
buffers[n_buffers].length = length;
buffers[n_buffers].start =
mmap(NULL /* start anywhere */,
length,
PROT_READ | PROT_WRITE /* required */,
MAP_SHARED /* recommended */,
fd, offset);
if (buffers[n_buffers].start == MAP_FAILED)
LOG_ERROR("Unable to map buffer %u: %s (%d)\n", n_buffers, strerror(errno), errno);
else
LOG_INFO("Buffer %u mapped at address %p.\n", n_buffers, buffers[n_buffers].start);
}
}
void GVideoISP1::uninit_device(void)
{
if (!buffers.empty())
{
for (int i = 0; i < buffers.size(); ++i)
if (-1 == munmap(buffers[i].start, buffers[i].length))
LOG_ERROR("munmap %d error\n", i);
struct v4l2_requestbuffers req;
CLEAR(req);
req.count = 0;
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
req.memory = V4L2_MEMORY_MMAP;
if (-1 == ioctl(fd, VIDIOC_REQBUFS, &req))
LOG_ERROR("uinit_device VIDIOC_REQBUFS fail\n");
buffers.clear();
}
}
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