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add second stream to rtsp

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This commit is contained in:
Alfonso Gamboa
2022-05-15 18:36:36 -07:00
parent 94b2aad718
commit ad42670438
6 changed files with 168 additions and 30 deletions
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BIN
libcallback_wz_mod/libcallback.so
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80
libcallback_wz_mod/video_callback.c
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@@ -19,7 +19,9 @@ 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 void *video_encode_cb1 = NULL;
static int VideoCaptureEnable = 0;
static int VideoCaptureEnable1 = 0;
char *VideoCapture(int fd, char *tokenPtr) {
@@ -27,12 +29,22 @@ char *VideoCapture(int fd, char *tokenPtr) {
if(!p) return VideoCaptureEnable ? "on" : "off";
if(!strcmp(p, "on")) {
VideoCaptureEnable = 1;
fprintf(stderr, "[command] video capute on\n", p);
fprintf(stderr, "[command] video capture ch0 on\n", p);
return "ok";
}
if(!strcmp(p, "on1")) {
VideoCaptureEnable1 = 1;
fprintf(stderr, "[command] video capture ch1 on\n", p);
return "ok";
}
if(!strcmp(p, "off")) {
VideoCaptureEnable = 0;
fprintf(stderr, "[command] video capute off\n", p);
fprintf(stderr, "[command] video capture ch0 off\n", p);
return "ok";
}
if(!strcmp(p, "off1")) {
VideoCaptureEnable1 = 0;
fprintf(stderr, "[command] video capture ch1 off\n", p);
return "ok";
}
return "error";
@@ -43,6 +55,7 @@ static uint32_t video_encode_capture(struct frames_st *frames) {
static int firstEntry = 0;
static int v4l2Fd = -1;
//primary stream 0
if(!firstEntry) {
firstEntry++;
int err;
@@ -86,19 +99,78 @@ static uint32_t video_encode_capture(struct frames_st *frames) {
return ((framecb)video_encode_cb)(frames);
}
//secondary stream 1
static uint32_t video_encode_capture1(struct frames_st *frames) {
static int firstEntry = 0;
static int v4l2Fd = -1;
if(!firstEntry) {
firstEntry++;
int err;
const char *v4l2_device_path = "/dev/video2";
const char *productf="/configs/.product_db3";
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;
if( access( productf, F_OK ) == 0 ) {
/* doorbell resolution */
printf("[command] video product 640x480");
vid_format.fmt.pix.width = 640;
vid_format.fmt.pix.height = 480;
} else {
/* v3 and panv2 res */
printf("[command] video product 640x320");
vid_format.fmt.pix.width = 640;
vid_format.fmt.pix.height = 320;
}
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_cb1)(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);
static int ch_count = 0;
/* two callbacks typically detected, unknown what the difference is between them, but if they are both hooked, the app breaks. grab just one of them. */
/* two callbacks for video stream 0 are typically detected, unknown what the difference is between them, but if they are both hooked, the app breaks. grab just one of them. */
//stream 0
if( (ch == 0) && ch_count == 2) {
video_encode_cb = callback;
fprintf(stderr,"enc func injection save video_encode_cb=0x%x\n", video_encode_cb);
callback = video_encode_capture;
}
fprintf(stderr,"ch count is %x\n", ch_count);
//stream 1
if( (ch == 1) && ch_count == 1) {
video_encode_cb1 = callback;
fprintf(stderr,"enc func injection save video_encode_cb=0x%x\n", video_encode_cb1);
callback = video_encode_capture1;
}
ch_count=ch_count+1;
return real_local_sdk_video_set_encode_frame_callback(ch, callback);