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Fix JPEG

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This commit is contained in:
Kamil Trzcinski 2022-04-05 10:20:01 +02:00
parent 3213c6194e
commit 3f9d235505
2 changed files with 25 additions and 16 deletions
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6
cmd/camera.c
View File

@ -36,9 +36,11 @@ int camera_open(camera_t *camera, const char *path)
int camera_set_params(camera_t *camera)
{
DEVICE_SET_OPTION(camera->camera, EXPOSURE, 1148);
DEVICE_SET_OPTION(camera->camera, EXPOSURE, 2684);
DEVICE_SET_OPTION(camera->camera, ANALOGUE_GAIN, 938);
DEVICE_SET_OPTION(camera->camera, DIGITAL_GAIN, 256);
DEVICE_SET_OPTION(camera->camera, DIGITAL_GAIN, 512);
DEVICE_SET_OPTION(camera->camera, VBLANK, 1636);
DEVICE_SET_OPTION(camera->camera, HBLANK, 6906);
DEVICE_SET_OPTION2(camera->codec_jpeg, JPEG, COMPRESSION_QUALITY, 80);

37
hw/buffer_list.c
View File

@ -70,17 +70,16 @@ int buffer_list_set_format(buffer_list_t *buf_list, unsigned width, unsigned hei
fmt->type = buf_list->type;
bool retried = false;
unsigned orig_width = width;
unsigned orig_height = height;
unsigned stride = 0;
unsigned *pix_bytesperline;
retry:
// JPEG is in 16x16 blocks (shrink image to fit)
if (strstr(buf_list->name, "JPEG")) {
width = (width) / 16 * 16;
height = (height) / 16 * 16;
stride = orig_width * 2;
width = width / 16 * 16;
height = height / 16 * 16;
printf("JPEG: %dx%d vs %dx%d\n", orig_width, orig_height, width, height);
}
@ -91,27 +90,34 @@ retry:
fmt->fmt.pix_mp.pixelformat = format;
fmt->fmt.pix_mp.field = V4L2_FIELD_ANY;
fmt->fmt.pix_mp.num_planes = 1;
fmt->fmt.pix_mp.plane_fmt[0].bytesperline = stride;// fourcc_to_stride(orig_width, format);
pix_bytesperline = &fmt->fmt.pix_mp.plane_fmt[0].bytesperline;
*pix_bytesperline = bytesperline;
} else {
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_RAW;
fmt->fmt.pix.width = width;
fmt->fmt.pix.height = height;
fmt->fmt.pix.pixelformat = format;
fmt->fmt.pix.field = V4L2_FIELD_ANY;
fmt->fmt.pix.bytesperline = fourcc_to_stride(width, format);
pix_bytesperline = &fmt->fmt.pix.bytesperline;
*pix_bytesperline = bytesperline; // stride;// fourcc_to_stride(width, format);
}
E_LOG_DEBUG(buf_list, "Configuring format ...");
E_XIOCTL(buf_list, buf_list->device->fd, VIDIOC_S_FMT, fmt, "Can't set format");
if (fmt->fmt.pix.width != width || fmt->fmt.pix.height != height) {
E_LOG_INFO(buf_list, "Requested resolution=%ux%u is unavailable. Got %ux%u.",
width, height, fmt->fmt.pix.width, fmt->fmt.pix.height);
if (retried) {
E_LOG_ERROR(buf_list, "Did retry.");
if (bytesperline > 0 && *pix_bytesperline != bytesperline) {
E_LOG_ERROR(buf_list, "Requested bytesperline=%u. Got %ux%u.",
bytesperline, *pix_bytesperline);
}
if (fmt->fmt.pix.width != width || fmt->fmt.pix.height != height) {
if (bytesperline) {
E_LOG_ERROR(buf_list, "Requested resolution=%ux%u is unavailable. Got %ux%u.",
width, height, fmt->fmt.pix.width, fmt->fmt.pix.height);
} else {
E_LOG_INFO(buf_list, "Requested resolution=%ux%u is unavailable. Got %ux%u. Accepted",
width, height, fmt->fmt.pix.width, fmt->fmt.pix.height);
}
retried = true;
goto retry;
}
if (fmt->fmt.pix.pixelformat != format) {
@ -125,12 +131,13 @@ retry:
"Using: %ux%u/%s, bytesperline=%d",
fmt->fmt.pix.width, fmt->fmt.pix.height,
fourcc_to_string(fmt->fmt.pix.pixelformat).buf,
fmt->fmt.pix.bytesperline
*pix_bytesperline
);
buf_list->fmt_width = fmt->fmt.pix.width;
buf_list->fmt_height = fmt->fmt.pix.height;
buf_list->fmt_format = fmt->fmt.pix.pixelformat;
buf_list->fmt_bytesperline = *pix_bytesperline;
return 0;