static XCamReturn
read_buf (SmartPtr<DrmBoBuffer> &buf, TestFileHandle &file)
{
const VideoBufferInfo info = buf->get_video_info ();
VideoBufferPlanarInfo planar;
uint8_t *memory = NULL;
XCamReturn ret = XCAM_RETURN_NO_ERROR;
memory = buf->map ();
for (uint32_t index = 0; index < info.components; index++) {
info.get_planar_info (planar, index);
uint32_t line_bytes = planar.width * planar.pixel_bytes;
for (uint32_t i = 0; i < planar.height; i++) {
if (fread (memory + info.offsets [index] + i * info.strides [index], 1, line_bytes, file.fp) != line_bytes) {
if (feof (file.fp))
ret = XCAM_RETURN_BYPASS;
else {
XCAM_LOG_ERROR ("read file failed, size doesn't match");
ret = XCAM_RETURN_ERROR_FILE;
}
}
}
}
buf->unmap ();
return ret;
}
XCamReturn
FakePollThread::read_buf (SmartPtr<DrmBoBuffer> &buf)
{
uint8_t *dst = buf->map ();
const VideoBufferInfo info = buf->get_video_info ();
VideoBufferPlanarInfo planar;
XCamReturn ret = XCAM_RETURN_NO_ERROR;
for (uint32_t index = 0; index < info.components; index++) {
info.get_planar_info(planar, index);
uint32_t line_bytes = planar.width * planar.pixel_bytes;
for (uint32_t i = 0; i < planar.height; i++) {
if (fread (dst + info.offsets [index] + i * info.strides [index], 1, line_bytes, _raw) < line_bytes) {
if (feof (_raw)) {
fseek (_raw, 0, SEEK_SET);
ret = XCAM_RETURN_BYPASS;
} else {
XCAM_LOG_ERROR ("poll_buffer_loop failed to read file");
ret = XCAM_RETURN_ERROR_FILE;
}
goto done;
}
}
}
done:
buf->unmap ();
return ret;
}
static XCamReturn
calculate_psnr (SmartPtr<DrmBoBuffer> &psnr_cur, SmartPtr<DrmBoBuffer> &psnr_ref, PsnrType psnr_type, float &psnr)
{
const VideoBufferInfo info = psnr_cur->get_video_info ();
VideoBufferPlanarInfo planar;
uint8_t *cur_mem = NULL, *ref_mem = NULL;
XCamReturn ret = XCAM_RETURN_NO_ERROR;
int8_t interval = 1, index = 0;
if (PSNRY == psnr_type) {
interval = 1;
index = 0;
} else if (PSNRR == psnr_type) {
interval = 4;
index = 0;
} else if (PSNRG == psnr_type) {
interval = 4;
index = 1;
} else if (PSNRB == psnr_type) {
interval = 4;
index = 2;
}
cur_mem = psnr_cur->map ();
ref_mem = psnr_ref->map ();
if (!cur_mem || !ref_mem) {
XCAM_LOG_ERROR ("calculate_psnr map buffer failed");
return XCAM_RETURN_ERROR_MEM;
}
uint32_t sum = 0, pos = 0;
info.get_planar_info (planar, 0);
for (uint32_t i = 0; i < planar.height; i++) {
for (uint32_t j = 0; j < planar.width / interval; j++) {
pos = i * planar.width + j * interval + index;
sum += (cur_mem [pos] - ref_mem [pos]) * (cur_mem [pos] - ref_mem [pos]);
}
}
float mse = (float) sum / (planar.height * planar.width / interval) + 0.000001f;
psnr = 10 * log10 (255 * 255 / mse);
psnr_cur->unmap ();
psnr_ref->unmap ();
return ret;
}