int ff_qsv_decode_close(QSVContext *q)
{
QSVFrame *cur = q->work_frames;
while (cur) {
q->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = q->work_frames;
}
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
MFXVideoDECODE_Close(q->session);
q->session = NULL;
ff_qsv_close_internal_session(&q->internal_qs);
return 0;
}
static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session)
{
if (!session) {
if (!q->internal_session) {
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
const char *desc;
int ret;
ret = MFXInit(impl, &ver, &q->internal_session);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error initializing an internal MFX session\n");
return ff_qsv_error(ret);
}
MFXQueryIMPL(q->internal_session, &impl);
if (impl & MFX_IMPL_SOFTWARE)
desc = "software";
else if (impl & MFX_IMPL_HARDWARE)
desc = "hardware accelerated";
else
desc = "unknown";
av_log(avctx, AV_LOG_VERBOSE,
"Initialized an internal MFX session using %s implementation\n",
desc);
}
q->session = q->internal_session;
} else {
q->session = session;
}
/* make sure the decoder is uninitialized */
MFXVideoDECODE_Close(q->session);
return 0;
}
int ff_qsv_decode_close(QSVContext *q)
{
QSVFrame *cur = q->work_frames;
if (q->session)
MFXVideoDECODE_Close(q->session);
while (q->async_fifo && av_fifo_size(q->async_fifo)) {
QSVFrame *out_frame;
mfxSyncPoint *sync;
av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
av_freep(&sync);
}
while (cur) {
q->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = q->work_frames;
}
av_fifo_free(q->async_fifo);
q->async_fifo = NULL;
av_parser_close(q->parser);
avcodec_free_context(&q->avctx_internal);
if (q->internal_session)
MFXClose(q->internal_session);
av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
av_freep(&q->frames_ctx.mids);
q->frames_ctx.nb_mids = 0;
return 0;
}
void CDecMSDKMVC::DestroyDecoder(bool bFull)
{
if (m_bDecodeReady) {
MFXVideoDECODE_Close(m_mfxSession);
m_bDecodeReady = FALSE;
}
{
CAutoLock lock(&m_BufferCritSec);
for (int i = 0; i < ASYNC_QUEUE_SIZE; i++) {
ReleaseBuffer(&m_pOutputQueue[i]->surface);
}
memset(m_pOutputQueue, 0, sizeof(m_pOutputQueue));
for (auto it = m_BufferQueue.begin(); it != m_BufferQueue.end(); it++) {
if (!(*it)->queued) {
av_freep(&(*it)->surface.Data.Y);
delete (*it);
}
}
m_BufferQueue.clear();
}
// delete MVC sequence buffers
SAFE_DELETE(m_mfxExtMVCSeq.View);
SAFE_DELETE(m_mfxExtMVCSeq.ViewId);
SAFE_DELETE(m_mfxExtMVCSeq.OP);
SAFE_DELETE(m_pAnnexBConverter);
if (bFull) {
if (m_mfxSession) {
MFXClose(m_mfxSession);
m_mfxSession = nullptr;
}
}
}