static int qsv_load_plugins(mfxSession session, const char *load_plugins,
void *logctx)
{
if (!load_plugins || !*load_plugins)
return 0;
while (*load_plugins) {
mfxPluginUID uid;
mfxStatus ret;
int i, err = 0;
char *plugin = av_get_token(&load_plugins, ":");
if (!plugin)
return AVERROR(ENOMEM);
if (strlen(plugin) != 2 * sizeof(uid.Data)) {
av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
err = AVERROR(EINVAL);
goto load_plugin_fail;
}
for (i = 0; i < sizeof(uid.Data); i++) {
err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
if (err != 1) {
av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
err = AVERROR(EINVAL);
goto load_plugin_fail;
}
}
ret = MFXVideoUSER_Load(session, &uid, 1);
if (ret < 0) {
char errorbuf[128];
snprintf(errorbuf, sizeof(errorbuf),
"Could not load the requested plugin '%s'", plugin);
err = ff_qsv_print_error(logctx, ret, errorbuf);
goto load_plugin_fail;
}
if (*load_plugins)
load_plugins++;
load_plugin_fail:
av_freep(&plugin);
if (err < 0)
return err;
}
return 0;
}
int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
const char *load_plugins)
{
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
const char *desc;
int ret;
ret = MFXInit(impl, &ver, session);
if (ret < 0)
return ff_qsv_print_error(avctx, ret,
"Error initializing an internal MFX session");
ret = qsv_load_plugins(*session, load_plugins, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
return ret;
}
MFXQueryIMPL(*session, &impl);
switch (MFX_IMPL_BASETYPE(impl)) {
case MFX_IMPL_SOFTWARE:
desc = "software";
break;
case MFX_IMPL_HARDWARE:
case MFX_IMPL_HARDWARE2:
case MFX_IMPL_HARDWARE3:
case MFX_IMPL_HARDWARE4:
desc = "hardware accelerated";
break;
default:
desc = "unknown";
}
av_log(avctx, AV_LOG_VERBOSE,
"Initialized an internal MFX session using %s implementation\n",
desc);
return 0;
}
static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q)
{
const AVPixFmtDescriptor *desc;
mfxSession session = NULL;
int iopattern = 0;
mfxVideoParam param = { { 0 } };
int frame_width = avctx->coded_width;
int frame_height = avctx->coded_height;
int ret;
desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
if (!desc)
return AVERROR_BUG;
if (!q->async_fifo) {
q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
(sizeof(mfxSyncPoint*) + sizeof(QSVFrame*)));
if (!q->async_fifo)
return AVERROR(ENOMEM);
}
if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) {
AVQSVContext *user_ctx = avctx->hwaccel_context;
session = user_ctx->session;
iopattern = user_ctx->iopattern;
q->ext_buffers = user_ctx->ext_buffers;
q->nb_ext_buffers = user_ctx->nb_ext_buffers;
}
if (avctx->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
if (!iopattern) {
if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
}
frame_width = frames_hwctx->surfaces[0].Info.Width;
frame_height = frames_hwctx->surfaces[0].Info.Height;
}
if (!iopattern)
iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
q->iopattern = iopattern;
ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n");
return ret;
}
ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
if (ret < 0)
return ret;
param.mfx.CodecId = ret;
param.mfx.CodecProfile = avctx->profile;
param.mfx.CodecLevel = avctx->level;
param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth;
param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth;
param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8;
param.mfx.FrameInfo.FourCC = q->fourcc;
param.mfx.FrameInfo.Width = frame_width;
param.mfx.FrameInfo.Height = frame_height;
param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
param.IOPattern = q->iopattern;
param.AsyncDepth = q->async_depth;
param.ExtParam = q->ext_buffers;
param.NumExtParam = q->nb_ext_buffers;
ret = MFXVideoDECODE_Init(q->session, ¶m);
if (ret < 0)
return ff_qsv_print_error(avctx, ret,
"Error initializing the MFX video decoder");
q->frame_info = param.mfx.FrameInfo;
return 0;
}
static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
AVFrame *frame, int *got_frame,
AVPacket *avpkt)
{
QSVFrame *out_frame;
mfxFrameSurface1 *insurf;
mfxFrameSurface1 *outsurf;
mfxSyncPoint *sync;
mfxBitstream bs = { { { 0 } } };
int ret;
if (avpkt->size) {
bs.Data = avpkt->data;
bs.DataLength = avpkt->size;
bs.MaxLength = bs.DataLength;
bs.TimeStamp = avpkt->pts;
}
sync = av_mallocz(sizeof(*sync));
if (!sync) {
av_freep(&sync);
return AVERROR(ENOMEM);
}
do {
ret = get_surface(avctx, q, &insurf);
if (ret < 0)
return ret;
ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL,
insurf, &outsurf, sync);
if (ret == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE);
if (ret != MFX_ERR_NONE &&
ret != MFX_ERR_MORE_DATA &&
ret != MFX_WRN_VIDEO_PARAM_CHANGED &&
ret != MFX_ERR_MORE_SURFACE) {
av_freep(&sync);
return ff_qsv_print_error(avctx, ret,
"Error during QSV decoding.");
}
/* make sure we do not enter an infinite loop if the SDK
* did not consume any data and did not return anything */
if (!*sync && !bs.DataOffset) {
ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data");
bs.DataOffset = avpkt->size;
}
if (*sync) {
QSVFrame *out_frame = find_frame(q, outsurf);
if (!out_frame) {
av_log(avctx, AV_LOG_ERROR,
"The returned surface does not correspond to any frame\n");
av_freep(&sync);
return AVERROR_BUG;
}
out_frame->queued = 1;
av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
} else {
av_freep(&sync);
}
if (!av_fifo_space(q->async_fifo) ||
(!avpkt->size && av_fifo_size(q->async_fifo))) {
AVFrame *src_frame;
av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
out_frame->queued = 0;
do {
ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
} while (ret == MFX_WRN_IN_EXECUTION);
av_freep(&sync);
src_frame = out_frame->frame;
ret = av_frame_ref(frame, src_frame);
if (ret < 0)
return ret;
outsurf = &out_frame->surface;
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
frame->pkt_pts = outsurf->Data.TimeStamp;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pts = outsurf->Data.TimeStamp;
frame->repeat_pict =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0;
frame->top_field_first =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
frame->interlaced_frame =
!(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
/* update the surface properties */
if (avctx->pix_fmt == AV_PIX_FMT_QSV)
((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info;
*got_frame = 1;
}
return bs.DataOffset;
}
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
AVBufferRef *device_ref, const char *load_plugins)
{
static const mfxHandleType handle_types[] = {
MFX_HANDLE_VA_DISPLAY,
MFX_HANDLE_D3D9_DEVICE_MANAGER,
MFX_HANDLE_D3D11_DEVICE,
};
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
mfxSession parent_session = device_hwctx->session;
mfxSession session;
mfxVersion ver;
mfxIMPL impl;
mfxHDL handle = NULL;
mfxHandleType handle_type;
mfxStatus err;
int i, ret;
err = MFXQueryIMPL(parent_session, &impl);
if (err == MFX_ERR_NONE)
err = MFXQueryVersion(parent_session, &ver);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error querying the session attributes");
for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
if (err == MFX_ERR_NONE) {
handle_type = handle_types[i];
break;
}
handle = NULL;
}
if (!handle) {
av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
"from the session\n");
}
err = MFXInit(impl, &ver, &session);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error initializing a child MFX session");
if (handle) {
err = MFXVideoCORE_SetHandle(session, handle_type, handle);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error setting a HW handle");
}
if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
err = MFXJoinSession(parent_session, session);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error joining session");
}
ret = qsv_load_plugins(session, load_plugins, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
return ret;
}
*psession = session;
return 0;
}
