/** @brief Convert a frame from YUYV to BGR
* @ingroup frame
*
* @param in YUYV frame
* @param out BGR frame
*/
uvc_error_t uvc_yuyv2bgr(uvc_frame_t *in, uvc_frame_t *out) {
if (in->frame_format != UVC_FRAME_FORMAT_YUYV)
return UVC_ERROR_INVALID_PARAM;
if (uvc_ensure_frame_size(out, in->width * in->height * 3) < 0)
return UVC_ERROR_NO_MEM;
out->width = in->width;
out->height = in->height;
out->frame_format = UVC_FRAME_FORMAT_BGR;
out->step = in->width * 3;
out->sequence = in->sequence;
out->capture_time = in->capture_time;
out->source = in->source;
uint8_t *pyuv = static_cast<uint8_t *>(in->data);
uint8_t *pbgr = static_cast<uint8_t *>(out->data);
uint8_t *pbgr_end = pbgr + out->data_bytes;
while (pbgr < pbgr_end) {
IYUYV2BGR_8(pyuv, pbgr);
pbgr += 3 * 8;
pyuv += 2 * 8;
}
return UVC_SUCCESS;
}
/** @brief Convert a frame from YUYV to BGR
* @ingroup frame
*
* @param in YUYV frame
* @param out BGR frame
*/
uvc_error_t uvc_yuyv2bgr(uvc_frame_t *in, uvc_frame_t *out) {
size_t need_bytes;
if (in->color_format != UVC_COLOR_FORMAT_YUYV)
return UVC_ERROR_INVALID_PARAM;
out->width = in->width;
out->height = in->height;
out->color_format = UVC_COLOR_FORMAT_BGR;
out->step = in->width * 3;
out->sequence = in->sequence;
out->capture_time = in->capture_time;
out->source = in->source;
need_bytes = out->step * out->height;
if (!out->data || out->data_bytes != need_bytes) {
out->data_bytes = out->step * out->height;
out->data = realloc(out->data, out->data_bytes);
}
if (!out->data)
return UVC_ERROR_NO_MEM;
uint8_t *pyuv = in->data;
uint8_t *pbgr = out->data;
uint8_t *pbgr_end = pbgr + out->data_bytes;
while (pbgr < pbgr_end) {
IYUYV2BGR_8(pyuv, pbgr);
pbgr += 3 * 8;
pyuv += 2 * 8;
}
return UVC_SUCCESS;
}
