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Add CAMERA_DECODER_DEBUG to capture debug output of capture into /tmp

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MK3S+ Printer 2022-10-29 11:10:36 +02:00
parent 8359362204
commit f0d16f491c
1 changed files with 28 additions and 0 deletions
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28
device/camera/camera_output.c
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@ -123,6 +123,30 @@ int camera_configure_output_rescaler(camera_t *camera, buffer_list_t *src_captur
return 0;
}
static void decoder_debug_on_buffer(buffer_t *buf) {
if (!buf) {
return;
}
static int index = 0;
char path[256];
sprintf(path, "/tmp/decoder_capture.%d.%s", index++ % 10, fourcc_to_string(buf->buf_list->fmt.format).buf);
FILE *fp = fopen(path, "wb");
if (!fp) {
return;
}
fwrite(buf->start, 1, buf->used, fp);
fclose(fp);
}
static link_callbacks_t decoder_debug_callbacks = {
.name = "DECODER-DEBUG-CAPTURE",
.on_buffer = decoder_debug_on_buffer
};
int camera_configure_decoder(camera_t *camera, buffer_list_t *src_capture)
{
unsigned decode_formats[] = {
@ -155,6 +179,10 @@ int camera_configure_decoder(camera_t *camera, buffer_list_t *src_capture)
buffer_list_t *decoder_capture = device_open_buffer_list_capture(
camera->decoder, decoder_output, 1.0, chosen_format, true);
if (getenv("CAMERA_DECODER_DEBUG")) {
camera_capture_set_callbacks(camera, decoder_capture, decoder_debug_callbacks);
}
camera_capture_add_output(camera, src_capture, decoder_output);
if (camera->options.high_res_factor <= 1 && (src_capture->fmt.format == V4L2_PIX_FMT_JPEG || src_capture->fmt.format == V4L2_PIX_FMT_MJPEG)) {