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increase msg payload length to 4 bytes

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This commit is contained in:
lxsang 2020-12-28 13:23:30 +01:00
parent 33c77b615c
commit 8488d8658b
3 changed files with 31 additions and 27 deletions
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2
tunnel.c
View File

@ -48,7 +48,7 @@ static int msg_read_string(int fd, char* buffer, uint8_t max_length)
return 0;
}
static uint8_t* msg_read_payload(int fd, uint16_t* size)
static uint8_t* msg_read_payload(int fd, uint32_t* size)
{
uint8_t* data;
if(read(fd,size,sizeof(*size)) == -1)

2
tunnel.h
View File

@ -22,7 +22,7 @@ typedef struct {
uint8_t type;
uint16_t channel_id;
uint16_t client_id;
uint16_t size;
uint32_t size;
} tunnel_msg_h_t;
typedef struct{

54
v4l2cam/v4l2cam.c
View File

@ -288,6 +288,17 @@ static int cam_stop_streaming(int fd)
}
static int cam_cleanup(cam_setting_t *opts, int close_fd)
{
if (video_setting.queued == 1)
{
if (cam_dequeue_buffer(video_setting.fd) == -1)
{
return -1;
}
else
{
video_setting.queued = 0;
}
}
if (cam_stop_streaming(opts->fd) == -1)
{
M_ERROR(MODULE_NAME, "Unable to stop streaming");
@ -308,12 +319,18 @@ static int cam_apply_setting(cam_setting_t *opts)
{
if (opts->raw_buffer != NULL)
{
if (cam_cleanup(opts, 0) == -1)
if (cam_cleanup(opts, 1) == -1)
{
M_ERROR(MODULE_NAME, "Unable to cleanup setting");
return -1;
}
}
opts->fd = open(opts->dev_name, O_RDWR);
if (opts->fd == -1)
{
M_ERROR(MODULE_NAME, "Unable to open device: %s", video_setting.dev_name);
return -1;
}
if (cam_set_format(opts) == -1)
{
M_ERROR(MODULE_NAME, "Unable to set format");
@ -382,13 +399,6 @@ int main(const int argc, const char **argv)
video_setting.jpeg_quality = 60;
video_setting.raw_buffer = NULL;
video_setting.queued = 0;
video_setting.fd = open(video_setting.dev_name, O_RDWR);
if (video_setting.fd == -1)
{
M_ERROR(MODULE_NAME, "Unable to open device: %s", video_setting.dev_name);
exit(1);
}
// apply the default setting
if (cam_apply_setting(&video_setting) == -1)
{
@ -461,9 +471,7 @@ int main(const int argc, const char **argv)
video_setting.queued = 1;
}
}
status = select(sock + 1, &fd_in, NULL, NULL, NULL);
status = select(maxfd + 1, &fd_in, NULL, NULL, NULL);
switch (status)
{
case -1:
@ -506,6 +514,11 @@ int main(const int argc, const char **argv)
(void)memcpy(&video_setting.fps, msg.data + offset, 1);
offset++;
(void)memcpy(&video_setting.jpeg_quality, msg.data + offset, 1);
M_LOG(MODULE_NAME, "Client request width: %d, height: %d, FPS: %d, JPEG quality: %d",
video_setting.width,
video_setting.height,
video_setting.fps,
video_setting.jpeg_quality);
if (cam_apply_setting(&video_setting) == -1)
{
M_ERROR(MODULE_NAME, "Unable to apply video setting");
@ -519,20 +532,6 @@ int main(const int argc, const char **argv)
{
running = 0;
}
else
{
if (video_setting.queued == 1)
{
if (cam_dequeue_buffer(video_setting.fd) == -1)
{
running = 0;
}
else
{
video_setting.queued = 0;
}
}
}
}
}
else
@ -555,6 +554,11 @@ int main(const int argc, const char **argv)
running = 0;
}
}
else
{
// sleep to save CPU 100 ms
usleep(100000);
}
}
}