jordan/camera-streamer
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This commit is contained in:
Kamil Trzcinski
2022-04-04 17:13:44 +02:00
parent 35262d1655
commit fcbb56f7fa
6 changed files with 111 additions and 49 deletions
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75
main.c
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@@ -8,6 +8,7 @@ int camera_width = 1920;
int camera_height = 1080;
int camera_format = V4L2_PIX_FMT_SRGGB10P;
int camera_nbufs = 4;
bool camera_use_low = false;
device_t *camera = NULL;
device_t *isp_srgb = NULL;
@@ -17,11 +18,6 @@ device_t *codec_jpeg = NULL;
int open_camera(const char *path)
{
camera = device_open("CAMERA", path);
if (!camera) {
return -1;
}
if (device_open_buffer_list(camera, true, camera_width, camera_height, camera_format, camera_nbufs, true) < 0) {
return -1;
}
@@ -31,14 +27,6 @@ int open_camera(const char *path)
int open_isp(buffer_list_t *src, const char *srgb_path, const char *yuuv_path, const char *yuuv_low_path)
{
isp_srgb = device_open("ISP-SRGB", srgb_path);
isp_yuuv = device_open("ISP-YUUV", yuuv_path);
isp_yuuv_low = device_open("ISP-YUUV-LOW", yuuv_low_path);
if (!isp_srgb || !isp_yuuv || !isp_yuuv_low) {
return -1;
}
if (device_open_buffer_list(isp_srgb, false, src->fmt_width, src->fmt_height, src->fmt_format, camera_nbufs, true) < 0 ||
device_open_buffer_list(isp_yuuv, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_YUYV, camera_nbufs, true) < 0 ||
device_open_buffer_list(isp_yuuv_low, true, src->fmt_width / 2, src->fmt_height / 2, V4L2_PIX_FMT_YUYV, camera_nbufs, true) < 0) {
@@ -48,13 +36,8 @@ int open_isp(buffer_list_t *src, const char *srgb_path, const char *yuuv_path, c
return 0;
}
int open_jpeg(buffer_list_t *src, const char *jpeg_codec)
int open_jpeg(buffer_list_t *src, const char *tmp)
{
codec_jpeg = device_open("JPEG", jpeg_codec);
if (!codec_jpeg) {
return -1;
}
if (device_open_buffer_list(codec_jpeg, false, src->fmt_width, src->fmt_height, src->fmt_format, camera_nbufs, false) < 0 ||
device_open_buffer_list(codec_jpeg, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_JPEG, camera_nbufs, false) < 0) {
return -1;
@@ -63,31 +46,36 @@ int open_jpeg(buffer_list_t *src, const char *jpeg_codec)
return 0;
}
void write_jpeg(buffer_t *buf)
{
FILE *fp = fopen("/tmp/capture.jpg.tmp", "wb");
if (fp) {
fwrite(buf->start, 1, buf->used, fp);
fclose(fp);
E_LOG_DEBUG(buf, "Wrote JPEG: %d", buf->used);
}
rename("/tmp/capture.jpg.tmp", "/tmp/capture.jpg");
}
int main(int argc, char *argv[])
{
camera = device_open("CAMERA", "/dev/video0");
isp_srgb = device_open("ISP-SRGB", "/dev/video13");
isp_yuuv = device_open("ISP-YUUV", "/dev/video14");
isp_yuuv_low = device_open("ISP-YUUV-LOW", "/dev/video15");
codec_jpeg = device_open("JPEG", "/dev/video31");
if (device_open_buffer_list(camera, true, camera_width, camera_height, camera_format, camera_nbufs, true) < 0) {
return -1;
}
if (open_camera("/dev/video0") < 0) {
goto error;
}
if (open_isp(camera->capture_list, "/dev/video13", "/dev/video14", "/dev/video15") < 0) {
goto error;
}
if (open_jpeg(isp_yuuv->capture_list, "/dev/video31") < 0) {
goto error;
}
if (device_stream(camera, true) < 0) {
goto error;
}
if (device_stream(isp_srgb, true) < 0) {
goto error;
}
if (device_stream(isp_yuuv, true) < 0) {
goto error;
}
if (device_stream(isp_yuuv_low, true) < 0) {
goto error;
}
if (device_stream(codec_jpeg, true) < 0) {
if (open_jpeg(camera_use_low ? isp_yuuv_low->capture_list : isp_yuuv->capture_list, "/dev/video31") < 0) {
goto error;
}
@@ -99,28 +87,29 @@ int main(int argc, char *argv[])
},
{
isp_yuuv,
{codec_jpeg},
{ camera_use_low ? NULL : codec_jpeg },
NULL
},
{
isp_yuuv_low,
{},
{ camera_use_low ? codec_jpeg : NULL },
NULL
},
{
codec_jpeg,
{},
NULL
write_jpeg
},
{ NULL }
};
while(true) {
handle_links(links, 100);
usleep(10*1000);
if (links_init(links) < 0) {
return -1;
}
bool running = false;
links_loop(links, &running);
error:
device_close(isp_yuuv_low);
device_close(isp_yuuv);