mirror of
https://github.com/gtxaspec/wz_mini_hacks.git
synced 2024-11-22 13:37:19 +00:00
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
#define _GNU_SOURCE
|
|
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdint.h>
|
|
#include <fcntl.h>
|
|
#include <linux/videodev2.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/time.h>
|
|
#include <pthread.h>
|
|
|
|
struct frames_st {
|
|
void *buf;
|
|
size_t length;
|
|
};
|
|
typedef int (* framecb)(struct frames_st *);
|
|
|
|
static int (*real_local_sdk_video_set_encode_frame_callback)(int ch, void *callback);
|
|
static void *video_encode_cb = NULL;
|
|
static int VideoCaptureEnable = 1;
|
|
|
|
static uint32_t video_encode_capture(struct frames_st *frames) {
|
|
|
|
static int firstEntry = 0;
|
|
static int v4l2Fd = -1;
|
|
|
|
if(!firstEntry) {
|
|
firstEntry++;
|
|
int err;
|
|
const char *v4l2_device_path = "/dev/video1";
|
|
fprintf(stderr,"Opening V4L2 device: %s \n", v4l2_device_path);
|
|
v4l2Fd = open(v4l2_device_path, O_WRONLY, 0777);
|
|
if(v4l2Fd < 0) fprintf(stderr,"Failed to open V4L2 device: %s\n", v4l2_device_path);
|
|
struct v4l2_format vid_format;
|
|
memset(&vid_format, 0, sizeof(vid_format));
|
|
vid_format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
|
|
vid_format.fmt.pix.width = 1920;
|
|
vid_format.fmt.pix.height = 1080;
|
|
vid_format.fmt.pix.pixelformat = V4L2_PIX_FMT_H264;
|
|
vid_format.fmt.pix.sizeimage = 0;
|
|
vid_format.fmt.pix.field = V4L2_FIELD_NONE;
|
|
vid_format.fmt.pix.bytesperline = 0;
|
|
vid_format.fmt.pix.colorspace = V4L2_PIX_FMT_YUV420;
|
|
err = ioctl(v4l2Fd, VIDIOC_S_FMT, &vid_format);
|
|
if(err < 0) fprintf(stderr,"Unable to set V4L2 device video format: %d\n", err);
|
|
err = ioctl(v4l2Fd, VIDIOC_STREAMON, &vid_format);
|
|
if(err < 0) fprintf(stderr,"Unable to perform VIDIOC_STREAMON: %d\n", err);
|
|
}
|
|
|
|
if( (v4l2Fd >= 0) && VideoCaptureEnable) {
|
|
uint32_t *buf = frames->buf;
|
|
int size = write(v4l2Fd, frames->buf, frames->length);
|
|
if(size != frames->length) fprintf(stderr,"Stream write error: %s\n", size);
|
|
}
|
|
return ((framecb)video_encode_cb)(frames);
|
|
}
|
|
|
|
int local_sdk_video_set_encode_frame_callback(int ch, void *callback) {
|
|
|
|
fprintf(stderr, "local_sdk_video_set_encode_frame_callback streamChId=%d, callback=0x%x\n", ch, callback);
|
|
if(ch == 0) {
|
|
video_encode_cb = callback;
|
|
fprintf(stderr,"enc func injection save video_encode_cb=0x%x\n", video_encode_cb);
|
|
callback = video_encode_capture;
|
|
}
|
|
return real_local_sdk_video_set_encode_frame_callback(ch, callback);
|
|
}
|
|
|
|
static void __attribute ((constructor)) video_callback_init(void) {
|
|
|
|
real_local_sdk_video_set_encode_frame_callback = dlsym(dlopen("/system/lib/liblocalsdk.so", RTLD_LAZY), "local_sdk_video_set_encode_frame_callback");
|
|
}
|