Decode_Status VaapiDecoderVP8::decode(VideoDecodeBuffer * buffer)
{
Decode_Status status;
Vp8ParseResult result;
bool isEOS = false;
m_currentPTS = buffer->timeStamp;
m_buffer = buffer->data;
m_frameSize = buffer->size;
DEBUG("VP8: Decode(bufsize =%d, timestamp=%ld)", m_frameSize,
m_currentPTS);
do {
if (m_frameSize == 0) {
status = DECODE_FAIL;
break;
}
memset(&m_frameHdr, 0, sizeof(m_frameHdr));
m_frameHdr.multi_frame_data = &m_currFrameContext;
result =
vp8_parse_frame_header(&m_frameHdr, m_buffer, 0, m_frameSize);
status = getStatus(result);
if (status != DECODE_SUCCESS) {
break;
}
if (m_frameHdr.key_frame == VP8_KEY_FRAME) {
status = ensureContext();
if (status != DECODE_SUCCESS)
return status;
}
status = decodePicture();
if (status != DECODE_SUCCESS)
break;
if (m_frameHdr.show_frame) {
m_currentPicture->m_timeStamp = m_currentPTS;
m_currentPicture->output();
} else {
WARNING("warning: this picture isn't sent to render");
}
updateReferencePictures();
if (m_frameHdr.refresh_entropy_probs) {
memcpy(&m_lastFrameContext.token_prob_update,
&m_currFrameContext.token_prob_update,
sizeof(Vp8TokenProbUpdate));
memcpy(&m_lastFrameContext.mv_prob_update,
&m_currFrameContext.mv_prob_update,
sizeof(Vp8MvProbUpdate));
if (m_frameHdr.intra_16x16_prob_update_flag)
memcpy(m_yModeProbs, m_frameHdr.intra_16x16_prob, 4);
if (m_frameHdr.intra_chroma_prob_update_flag)
memcpy(m_uvModeProbs, m_frameHdr.intra_chroma_prob, 3);
} else {
memcpy(&m_currFrameContext.token_prob_update,
&m_lastFrameContext.token_prob_update,
sizeof(Vp8TokenProbUpdate));
memcpy(&m_currFrameContext.mv_prob_update,
&m_lastFrameContext.mv_prob_update,
sizeof(Vp8MvProbUpdate));
}
} while (0);
if (status != DECODE_SUCCESS) {
DEBUG("decode fail!!");
}
return status;
}
Decode_Status VaapiDecoderVP8::decode(VideoDecodeBuffer * buffer)
{
Decode_Status status;
Vp8ParserResult result;
m_currentPTS = buffer->timeStamp;
m_buffer = buffer->data;
m_frameSize = buffer->size;
DEBUG("VP8: Decode(bufsize =%d, timestamp=%ld)", m_frameSize,
m_currentPTS);
do {
if (m_frameSize == 0) {
status = DECODE_FAIL;
break;
}
memset(&m_frameHdr, 0, sizeof(m_frameHdr));
result =
vp8_parser_parse_frame_header(&m_parser, &m_frameHdr, m_buffer, m_frameSize);
status = getStatus(result);
if (status != DECODE_SUCCESS) {
break;
}
if (m_frameHdr.key_frame) {
status = ensureContext();
if (status != DECODE_SUCCESS)
return status;
}
#if __PSB_CACHE_DRAIN_FOR_FIRST_FRAME__
int ii = 0;
int decodeCount = 1;
if (m_isFirstFrame) {
decodeCount = 1280 * 720 / m_frameWidth / m_frameHeight * 2;
m_isFirstFrame = false;
}
do {
status = decodePicture();
} while (status == DECODE_SUCCESS && ++ii < decodeCount);
#else
status = decodePicture();
#endif
if (status != DECODE_SUCCESS)
break;
if (m_frameHdr.show_frame) {
m_currentPicture->m_timeStamp = m_currentPTS;
//FIXME: add output
outputPicture(m_currentPicture);
} else {
WARNING("warning: this picture isn't sent to render");
}
updateReferencePictures();
} while (0);
if (status != DECODE_SUCCESS) {
DEBUG("decode fail!!");
}
return status;
}
