vpx_codec_err_t vp10_copy_reference_dec(VP10Decoder *pbi,
VP9_REFFRAME ref_frame_flag,
YV12_BUFFER_CONFIG *sd) {
VP10_COMMON *cm = &pbi->common;
/* TODO(jkoleszar): The decoder doesn't have any real knowledge of what the
* encoder is using the frame buffers for. This is just a stub to keep the
* vpxenc --test-decode functionality working, and will be replaced in a
* later commit that adds VP9-specific controls for this functionality.
*/
if (ref_frame_flag == VP9_LAST_FLAG) {
const YV12_BUFFER_CONFIG *const cfg = get_ref_frame(cm, 0);
if (cfg == NULL) {
vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
"No 'last' reference frame");
return VPX_CODEC_ERROR;
}
if (!equal_dimensions(cfg, sd))
vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
"Incorrect buffer dimensions");
else
vp8_yv12_copy_frame(cfg, sd);
} else {
vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
"Invalid reference frame");
}
return cm->error.error_code;
}
aom_codec_err_t av1_copy_reference_dec(AV1Decoder *pbi, int idx,
YV12_BUFFER_CONFIG *sd) {
AV1_COMMON *cm = &pbi->common;
const YV12_BUFFER_CONFIG *const cfg = get_ref_frame(cm, idx);
if (cfg == NULL) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR, "No reference frame");
return AOM_CODEC_ERROR;
}
if (!equal_dimensions(cfg, sd))
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
else
aom_yv12_copy_frame(cfg, sd);
return cm->error.error_code;
}
aom_codec_err_t av1_set_reference_dec(AV1_COMMON *cm, int idx,
YV12_BUFFER_CONFIG *sd) {
YV12_BUFFER_CONFIG *ref_buf = NULL;
// Get the destination reference buffer.
ref_buf = get_ref_frame(cm, idx);
if (ref_buf == NULL) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR, "No reference frame");
return AOM_CODEC_ERROR;
}
if (!equal_dimensions(ref_buf, sd)) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
// Overwrite the reference frame buffer.
aom_yv12_copy_frame(sd, ref_buf);
}
return cm->error.error_code;
}
