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FFmpeg/libavutil/hwcontext_qsv.c
Anton Khirnov 73b01844c2 lavu/hwcontext_qsv: fix a potential infinite loop 
Current code will loop forever if MFXVideoVPP_Init() fails.
Also, simplify the code.
2022-02-15 10:16:16 +01:00

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdatomic.h>
#include <stdint.h>
#include <string.h>
#include <mfx/mfxvideo.h>
#include "config.h"
#if HAVE_PTHREADS
#include <pthread.h>
#endif
#define COBJMACROS
#if CONFIG_VAAPI
#include "hwcontext_vaapi.h"
#endif
#if CONFIG_D3D11VA
#include "hwcontext_d3d11va.h"
#endif
#if CONFIG_DXVA2
#include "hwcontext_dxva2.h"
#endif
#include "buffer.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_qsv.h"
#include "mem.h"
#include "pixfmt.h"
#include "pixdesc.h"
#include "time.h"
#include "imgutils.h"
#define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
(MFX_VERSION_MAJOR > (MAJOR) || \
MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
#define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
typedef struct QSVDevicePriv {
AVBufferRef *child_device_ctx;
} QSVDevicePriv;
typedef struct QSVDeviceContext {
mfxHDL handle;
mfxHandleType handle_type;
mfxVersion ver;
mfxIMPL impl;
enum AVHWDeviceType child_device_type;
enum AVPixelFormat child_pix_fmt;
} QSVDeviceContext;
typedef struct QSVFramesContext {
mfxSession session_download;
atomic_int session_download_init;
mfxSession session_upload;
atomic_int session_upload_init;
#if HAVE_PTHREADS
pthread_mutex_t session_lock;
#endif
AVBufferRef *child_frames_ref;
mfxFrameSurface1 *surfaces_internal;
mfxHDLPair *handle_pairs_internal;
int nb_surfaces_used;
// used in the frame allocator for non-opaque surfaces
mfxMemId *mem_ids;
// used in the opaque alloc request for opaque surfaces
mfxFrameSurface1 **surface_ptrs;
mfxExtOpaqueSurfaceAlloc opaque_alloc;
mfxExtBuffer *ext_buffers[1];
AVFrame realigned_tmp_frame;
} QSVFramesContext;
static const struct {
enum AVPixelFormat pix_fmt;
uint32_t fourcc;
} supported_pixel_formats[] = {
{ AV_PIX_FMT_NV12, MFX_FOURCC_NV12 },
{ AV_PIX_FMT_BGRA, MFX_FOURCC_RGB4 },
{ AV_PIX_FMT_P010, MFX_FOURCC_P010 },
{ AV_PIX_FMT_PAL8, MFX_FOURCC_P8 },
#if CONFIG_VAAPI
{ AV_PIX_FMT_YUYV422,
MFX_FOURCC_YUY2 },
#if QSV_VERSION_ATLEAST(1, 27)
{ AV_PIX_FMT_Y210,
MFX_FOURCC_Y210 },
#endif
#endif
};
extern int ff_qsv_get_surface_base_handle(mfxFrameSurface1 *surf,
enum AVHWDeviceType base_dev_type,
void **base_handle);
/**
* Caller needs to allocate enough space for base_handle pointer.
**/
int ff_qsv_get_surface_base_handle(mfxFrameSurface1 *surf,
enum AVHWDeviceType base_dev_type,
void **base_handle)
{
mfxHDLPair *handle_pair;
handle_pair = surf->Data.MemId;
switch (base_dev_type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
base_handle[0] = handle_pair->first;
return 0;
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
base_handle[0] = handle_pair->first;
base_handle[1] = handle_pair->second;
return 0;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
base_handle[0] = handle_pair->first;
return 0;
#endif
}
return AVERROR(EINVAL);
}
static uint32_t qsv_fourcc_from_pix_fmt(enum AVPixelFormat pix_fmt)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) {
if (supported_pixel_formats[i].pix_fmt == pix_fmt)
return supported_pixel_formats[i].fourcc;
}
return 0;
}
#if CONFIG_D3D11VA
static uint32_t qsv_get_d3d11va_bind_flags(int mem_type)
{
uint32_t bind_flags = 0;
if ((mem_type & MFX_MEMTYPE_VIDEO_MEMORY_ENCODER_TARGET) && (mem_type & MFX_MEMTYPE_INTERNAL_FRAME))
bind_flags = D3D11_BIND_DECODER | D3D11_BIND_VIDEO_ENCODER;
else
bind_flags = D3D11_BIND_DECODER;
if ((MFX_MEMTYPE_FROM_VPPOUT & mem_type) || (MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET & mem_type))
bind_flags = D3D11_BIND_RENDER_TARGET;
return bind_flags;
}
#endif
static int qsv_fill_border(AVFrame *dst, const AVFrame *src)
{
const AVPixFmtDescriptor *desc;
int i, planes_nb = 0;
if (dst->format != src->format)
return AVERROR(EINVAL);
desc = av_pix_fmt_desc_get(dst->format);
for (i = 0; i < desc->nb_components; i++)
planes_nb = FFMAX(planes_nb, desc->comp[i].plane + 1);
for (i = 0; i < planes_nb; i++) {
int sheight, dheight, y;
ptrdiff_t swidth = av_image_get_linesize(src->format,
src->width,
i);
ptrdiff_t dwidth = av_image_get_linesize(dst->format,
dst->width,
i);
const AVComponentDescriptor comp = desc->comp[i];
if (swidth < 0 || dwidth < 0) {
av_log(NULL, AV_LOG_ERROR, "av_image_get_linesize failed\n");
return AVERROR(EINVAL);
}
sheight = src->height;
dheight = dst->height;
if (i) {
sheight = AV_CEIL_RSHIFT(src->height, desc->log2_chroma_h);
dheight = AV_CEIL_RSHIFT(dst->height, desc->log2_chroma_h);
}
//fill right padding
for (y = 0; y < sheight; y++) {
void *line_ptr = dst->data[i] + y*dst->linesize[i] + swidth;
av_memcpy_backptr(line_ptr,
comp.depth > 8 ? 2 : 1,
dwidth - swidth);
}
//fill bottom padding
for (y = sheight; y < dheight; y++) {
memcpy(dst->data[i]+y*dst->linesize[i],
dst->data[i]+(sheight-1)*dst->linesize[i],
dwidth);
}
}
return 0;
}
static int qsv_device_init(AVHWDeviceContext *ctx)
{
AVQSVDeviceContext *hwctx = ctx->hwctx;
QSVDeviceContext *s = ctx->internal->priv;
int hw_handle_supported = 0;
mfxHandleType handle_type;
enum AVHWDeviceType device_type;
enum AVPixelFormat pix_fmt;
mfxStatus err;
err = MFXQueryIMPL(hwctx->session, &s->impl);
if (err == MFX_ERR_NONE)
err = MFXQueryVersion(hwctx->session, &s->ver);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
return AVERROR_UNKNOWN;
}
if (MFX_IMPL_VIA_VAAPI == MFX_IMPL_VIA_MASK(s->impl)) {
#if CONFIG_VAAPI
handle_type = MFX_HANDLE_VA_DISPLAY;
device_type = AV_HWDEVICE_TYPE_VAAPI;
pix_fmt = AV_PIX_FMT_VAAPI;
hw_handle_supported = 1;
#endif
} else if (MFX_IMPL_VIA_D3D11 == MFX_IMPL_VIA_MASK(s->impl)) {
#if CONFIG_D3D11VA
handle_type = MFX_HANDLE_D3D11_DEVICE;
device_type = AV_HWDEVICE_TYPE_D3D11VA;
pix_fmt = AV_PIX_FMT_D3D11;
hw_handle_supported = 1;
#endif
} else if (MFX_IMPL_VIA_D3D9 == MFX_IMPL_VIA_MASK(s->impl)) {
#if CONFIG_DXVA2
handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
device_type = AV_HWDEVICE_TYPE_DXVA2;
pix_fmt = AV_PIX_FMT_DXVA2_VLD;
hw_handle_supported = 1;
#endif
}
if (hw_handle_supported) {
err = MFXVideoCORE_GetHandle(hwctx->session, handle_type, &s->handle);
if (err == MFX_ERR_NONE) {
s->handle_type = handle_type;
s->child_device_type = device_type;
s->child_pix_fmt = pix_fmt;
}
}
if (!s->handle) {
av_log(ctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
"from the session\n");
}
return 0;
}
static void qsv_frames_uninit(AVHWFramesContext *ctx)
{
QSVFramesContext *s = ctx->internal->priv;
if (s->session_download) {
MFXVideoVPP_Close(s->session_download);
MFXClose(s->session_download);
}
s->session_download = NULL;
s->session_download_init = 0;
if (s->session_upload) {
MFXVideoVPP_Close(s->session_upload);
MFXClose(s->session_upload);
}
s->session_upload = NULL;
s->session_upload_init = 0;
#if HAVE_PTHREADS
pthread_mutex_destroy(&s->session_lock);
#endif
av_freep(&s->mem_ids);
av_freep(&s->surface_ptrs);
av_freep(&s->surfaces_internal);
av_freep(&s->handle_pairs_internal);
av_frame_unref(&s->realigned_tmp_frame);
av_buffer_unref(&s->child_frames_ref);
}
static void qsv_pool_release_dummy(void *opaque, uint8_t *data)
{
}
static AVBufferRef *qsv_pool_alloc(void *opaque, size_t size)
{
AVHWFramesContext *ctx = (AVHWFramesContext*)opaque;
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *hwctx = ctx->hwctx;
if (s->nb_surfaces_used < hwctx->nb_surfaces) {
s->nb_surfaces_used++;
return av_buffer_create((uint8_t*)(s->surfaces_internal + s->nb_surfaces_used - 1),
sizeof(*hwctx->surfaces), qsv_pool_release_dummy, NULL, 0);
}
return NULL;
}
static int qsv_init_child_ctx(AVHWFramesContext *ctx)
{
AVQSVFramesContext *hwctx = ctx->hwctx;
QSVFramesContext *s = ctx->internal->priv;
QSVDeviceContext *device_priv = ctx->device_ctx->internal->priv;
AVBufferRef *child_device_ref = NULL;
AVBufferRef *child_frames_ref = NULL;
AVHWDeviceContext *child_device_ctx;
AVHWFramesContext *child_frames_ctx;
int i, ret = 0;
if (!device_priv->handle) {
av_log(ctx, AV_LOG_ERROR,
"Cannot create a non-opaque internal surface pool without "
"a hardware handle\n");
return AVERROR(EINVAL);
}
child_device_ref = av_hwdevice_ctx_alloc(device_priv->child_device_type);
if (!child_device_ref)
return AVERROR(ENOMEM);
child_device_ctx = (AVHWDeviceContext*)child_device_ref->data;
#if CONFIG_VAAPI
if (child_device_ctx->type == AV_HWDEVICE_TYPE_VAAPI) {
AVVAAPIDeviceContext *child_device_hwctx = child_device_ctx->hwctx;
child_device_hwctx->display = (VADisplay)device_priv->handle;
}
#endif
#if CONFIG_D3D11VA
if (child_device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
AVD3D11VADeviceContext *child_device_hwctx = child_device_ctx->hwctx;
ID3D11Device_AddRef((ID3D11Device*)device_priv->handle);
child_device_hwctx->device = (ID3D11Device*)device_priv->handle;
}
#endif
#if CONFIG_DXVA2
if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) {
AVDXVA2DeviceContext *child_device_hwctx = child_device_ctx->hwctx;
child_device_hwctx->devmgr = (IDirect3DDeviceManager9*)device_priv->handle;
}
#endif
ret = av_hwdevice_ctx_init(child_device_ref);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, "Error initializing a child device context\n");
goto fail;
}
child_frames_ref = av_hwframe_ctx_alloc(child_device_ref);
if (!child_frames_ref) {
ret = AVERROR(ENOMEM);
goto fail;
}
child_frames_ctx = (AVHWFramesContext*)child_frames_ref->data;
child_frames_ctx->format = device_priv->child_pix_fmt;
child_frames_ctx->sw_format = ctx->sw_format;
child_frames_ctx->initial_pool_size = ctx->initial_pool_size;
child_frames_ctx->width = FFALIGN(ctx->width, 16);
child_frames_ctx->height = FFALIGN(ctx->height, 16);
#if CONFIG_D3D11VA
if (child_device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
AVD3D11VAFramesContext *child_frames_hwctx = child_frames_ctx->hwctx;
if (hwctx->frame_type == 0)
hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
if (hwctx->frame_type & MFX_MEMTYPE_SHARED_RESOURCE)
child_frames_hwctx->MiscFlags = D3D11_RESOURCE_MISC_SHARED;
child_frames_hwctx->BindFlags = qsv_get_d3d11va_bind_flags(hwctx->frame_type);
}
#endif
#if CONFIG_DXVA2
if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) {
AVDXVA2FramesContext *child_frames_hwctx = child_frames_ctx->hwctx;
if (hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)
child_frames_hwctx->surface_type = DXVA2_VideoProcessorRenderTarget;
else
child_frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
}
#endif
ret = av_hwframe_ctx_init(child_frames_ref);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, "Error initializing a child frames context\n");
goto fail;
}
#if CONFIG_VAAPI
if (child_device_ctx->type == AV_HWDEVICE_TYPE_VAAPI) {
AVVAAPIFramesContext *child_frames_hwctx = child_frames_ctx->hwctx;
for (i = 0; i < ctx->initial_pool_size; i++) {
s->handle_pairs_internal[i].first = child_frames_hwctx->surface_ids + i;
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
#endif
#if CONFIG_D3D11VA
if (child_device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
AVD3D11VAFramesContext *child_frames_hwctx = child_frames_ctx->hwctx;
for (i = 0; i < ctx->initial_pool_size; i++) {
s->handle_pairs_internal[i].first = (mfxMemId)child_frames_hwctx->texture_infos[i].texture;
if(child_frames_hwctx->BindFlags & D3D11_BIND_RENDER_TARGET) {
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
} else {
s->handle_pairs_internal[i].second = (mfxMemId)child_frames_hwctx->texture_infos[i].index;
}
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
if (child_frames_hwctx->BindFlags & D3D11_BIND_RENDER_TARGET) {
hwctx->frame_type |= MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
} else {
hwctx->frame_type |= MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
}
#endif
#if CONFIG_DXVA2
if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) {
AVDXVA2FramesContext *child_frames_hwctx = child_frames_ctx->hwctx;
for (i = 0; i < ctx->initial_pool_size; i++) {
s->handle_pairs_internal[i].first = (mfxMemId)child_frames_hwctx->surfaces[i];
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
if (child_frames_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget)
hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
else
hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
#endif
s->child_frames_ref = child_frames_ref;
child_frames_ref = NULL;
fail:
av_buffer_unref(&child_device_ref);
av_buffer_unref(&child_frames_ref);
return ret;
}
static int qsv_init_surface(AVHWFramesContext *ctx, mfxFrameSurface1 *surf)
{
const AVPixFmtDescriptor *desc;
uint32_t fourcc;
desc = av_pix_fmt_desc_get(ctx->sw_format);
if (!desc)
return AVERROR(EINVAL);
fourcc = qsv_fourcc_from_pix_fmt(ctx->sw_format);
if (!fourcc)
return AVERROR(EINVAL);
surf->Info.BitDepthLuma = desc->comp[0].depth;
surf->Info.BitDepthChroma = desc->comp[0].depth;
surf->Info.Shift = desc->comp[0].depth > 8;
if (desc->log2_chroma_w && desc->log2_chroma_h)
surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
else if (desc->log2_chroma_w)
surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
else
surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV444;
surf->Info.FourCC = fourcc;
surf->Info.Width = FFALIGN(ctx->width, 16);
surf->Info.CropW = ctx->width;
surf->Info.Height = FFALIGN(ctx->height, 16);
surf->Info.CropH = ctx->height;
surf->Info.FrameRateExtN = 25;
surf->Info.FrameRateExtD = 1;
surf->Info.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
return 0;
}
static int qsv_init_pool(AVHWFramesContext *ctx, uint32_t fourcc)
{
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *frames_hwctx = ctx->hwctx;
int i, ret = 0;
if (ctx->initial_pool_size <= 0) {
av_log(ctx, AV_LOG_ERROR, "QSV requires a fixed frame pool size\n");
return AVERROR(EINVAL);
}
s->handle_pairs_internal = av_calloc(ctx->initial_pool_size,
sizeof(*s->handle_pairs_internal));
if (!s->handle_pairs_internal)
return AVERROR(ENOMEM);
s->surfaces_internal = av_calloc(ctx->initial_pool_size,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < ctx->initial_pool_size; i++) {
ret = qsv_init_surface(ctx, &s->surfaces_internal[i]);
if (ret < 0)
return ret;
}
if (!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)) {
ret = qsv_init_child_ctx(ctx);
if (ret < 0)
return ret;
}
ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(mfxFrameSurface1),
ctx, qsv_pool_alloc, NULL);
if (!ctx->internal->pool_internal)
return AVERROR(ENOMEM);
frames_hwctx->surfaces = s->surfaces_internal;
frames_hwctx->nb_surfaces = ctx->initial_pool_size;
return 0;
}
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
mfxFrameAllocResponse *resp)
{
AVHWFramesContext *ctx = pthis;
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *hwctx = ctx->hwctx;
mfxFrameInfo *i = &req->Info;
mfxFrameInfo *i1 = &hwctx->surfaces[0].Info;
if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
!(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
!(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
return MFX_ERR_UNSUPPORTED;
if (i->Width > i1->Width || i->Height > i1->Height ||
i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
av_log(ctx, AV_LOG_ERROR, "Mismatching surface properties in an "
"allocation request: %dx%d %d %d vs %dx%d %d %d\n",
i->Width, i->Height, i->FourCC, i->ChromaFormat,
i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
return MFX_ERR_UNSUPPORTED;
}
resp->mids = s->mem_ids;
resp->NumFrameActual = hwctx->nb_surfaces;
return MFX_ERR_NONE;
}
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
{
return MFX_ERR_NONE;
}
static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
return MFX_ERR_UNSUPPORTED;
}
static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
return MFX_ERR_UNSUPPORTED;
}
static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
{
mfxHDLPair *pair_dst = (mfxHDLPair*)hdl;
mfxHDLPair *pair_src = (mfxHDLPair*)mid;
pair_dst->first = pair_src->first;
if (pair_src->second != (mfxMemId)MFX_INFINITE)
pair_dst->second = pair_src->second;
return MFX_ERR_NONE;
}
static int qsv_init_internal_session(AVHWFramesContext *ctx,
mfxSession *session, int upload)
{
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *frames_hwctx = ctx->hwctx;
QSVDeviceContext *device_priv = ctx->device_ctx->internal->priv;
int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
mfxFrameAllocator frame_allocator = {
.pthis = ctx,
.Alloc = frame_alloc,
.Lock = frame_lock,
.Unlock = frame_unlock,
.GetHDL = frame_get_hdl,
.Free = frame_free,
};
mfxVideoParam par;
mfxStatus err;
err = MFXInit(device_priv->impl, &device_priv->ver, session);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error initializing an internal session\n");
return AVERROR_UNKNOWN;
}
if (device_priv->handle) {
err = MFXVideoCORE_SetHandle(*session, device_priv->handle_type,
device_priv->handle);
if (err != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
if (!opaque) {
err = MFXVideoCORE_SetFrameAllocator(*session, &frame_allocator);
if (err != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
memset(&par, 0, sizeof(par));
if (opaque) {
par.ExtParam = s->ext_buffers;
par.NumExtParam = FF_ARRAY_ELEMS(s->ext_buffers);
par.IOPattern = upload ? MFX_IOPATTERN_OUT_OPAQUE_MEMORY :
MFX_IOPATTERN_IN_OPAQUE_MEMORY;
} else {
par.IOPattern = upload ? MFX_IOPATTERN_OUT_VIDEO_MEMORY :
MFX_IOPATTERN_IN_VIDEO_MEMORY;
}
par.IOPattern |= upload ? MFX_IOPATTERN_IN_SYSTEM_MEMORY :
MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
par.AsyncDepth = 1;
par.vpp.In = frames_hwctx->surfaces[0].Info;
/* Apparently VPP requires the frame rate to be set to some value, otherwise
* init will fail (probably for the framerate conversion filter). Since we
* are only doing data upload/download here, we just invent an arbitrary
* value */
par.vpp.In.FrameRateExtN = 25;
par.vpp.In.FrameRateExtD = 1;
par.vpp.Out = par.vpp.In;
err = MFXVideoVPP_Init(*session, &par);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_VERBOSE, "Error opening the internal VPP session."
"Surface upload/download will not be possible\n");
MFXClose(*session);
*session = NULL;
}
return 0;
}
static int qsv_frames_init(AVHWFramesContext *ctx)
{
QSVFramesContext *s = ctx->internal->priv;
AVQSVFramesContext *frames_hwctx = ctx->hwctx;
int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
uint32_t fourcc;
int i, ret;
fourcc = qsv_fourcc_from_pix_fmt(ctx->sw_format);
if (!fourcc) {
av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n");
return AVERROR(ENOSYS);
}
if (!ctx->pool) {
ret = qsv_init_pool(ctx, fourcc);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
return ret;
}
}
if (opaque) {
s->surface_ptrs = av_calloc(frames_hwctx->nb_surfaces,
sizeof(*s->surface_ptrs));
if (!s->surface_ptrs)
return AVERROR(ENOMEM);
for (i = 0; i < frames_hwctx->nb_surfaces; i++)
s->surface_ptrs[i] = frames_hwctx->surfaces + i;
s->opaque_alloc.In.Surfaces = s->surface_ptrs;
s->opaque_alloc.In.NumSurface = frames_hwctx->nb_surfaces;
s->opaque_alloc.In.Type = frames_hwctx->frame_type;
s->opaque_alloc.Out = s->opaque_alloc.In;
s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
} else {
s->mem_ids = av_calloc(frames_hwctx->nb_surfaces, sizeof(*s->mem_ids));
if (!s->mem_ids)
return AVERROR(ENOMEM);
for (i = 0; i < frames_hwctx->nb_surfaces; i++)
s->mem_ids[i] = frames_hwctx->surfaces[i].Data.MemId;
}
s->session_download = NULL;
s->session_upload = NULL;
s->session_download_init = 0;
s->session_upload_init = 0;
#if HAVE_PTHREADS
pthread_mutex_init(&s->session_lock, NULL);
#endif
return 0;
}
static int qsv_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
{
frame->buf[0] = av_buffer_pool_get(ctx->pool);
if (!frame->buf[0])
return AVERROR(ENOMEM);
frame->data[3] = frame->buf[0]->data;
frame->format = AV_PIX_FMT_QSV;
frame->width = ctx->width;
frame->height = ctx->height;
return 0;
}
static int qsv_transfer_get_formats(AVHWFramesContext *ctx,
enum AVHWFrameTransferDirection dir,
enum AVPixelFormat **formats)
{
enum AVPixelFormat *fmts;
fmts = av_malloc_array(2, sizeof(*fmts));
if (!fmts)
return AVERROR(ENOMEM);
fmts[0] = ctx->sw_format;
fmts[1] = AV_PIX_FMT_NONE;
*formats = fmts;
return 0;
}
static int qsv_frames_derive_from(AVHWFramesContext *dst_ctx,
AVHWFramesContext *src_ctx, int flags)
{
AVQSVFramesContext *src_hwctx = src_ctx->hwctx;
int i;
switch (dst_ctx->device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
AVVAAPIFramesContext *dst_hwctx = dst_ctx->hwctx;
dst_hwctx->surface_ids = av_calloc(src_hwctx->nb_surfaces,
sizeof(*dst_hwctx->surface_ids));
if (!dst_hwctx->surface_ids)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
mfxHDLPair *pair = (mfxHDLPair*)src_hwctx->surfaces[i].Data.MemId;
dst_hwctx->surface_ids[i] = *(VASurfaceID*)pair->first;
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
}
break;
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
{
AVD3D11VAFramesContext *dst_hwctx = dst_ctx->hwctx;
mfxHDLPair *pair = (mfxHDLPair*)src_hwctx->surfaces[i].Data.MemId;
dst_hwctx->texture = (ID3D11Texture2D*)pair->first;
if (src_hwctx->frame_type & MFX_MEMTYPE_SHARED_RESOURCE)
dst_hwctx->MiscFlags = D3D11_RESOURCE_MISC_SHARED;
dst_hwctx->BindFlags = qsv_get_d3d11va_bind_flags(src_hwctx->frame_type);
}
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
AVDXVA2FramesContext *dst_hwctx = dst_ctx->hwctx;
dst_hwctx->surfaces = av_calloc(src_hwctx->nb_surfaces,
sizeof(*dst_hwctx->surfaces));
if (!dst_hwctx->surfaces)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
mfxHDLPair *pair = (mfxHDLPair*)src_hwctx->surfaces[i].Data.MemId;
dst_hwctx->surfaces[i] = (IDirect3DSurface9*)pair->first;
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
if (src_hwctx->frame_type == MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
dst_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
else
dst_hwctx->surface_type = DXVA2_VideoProcessorRenderTarget;
}
break;
#endif
default:
return AVERROR(ENOSYS);
}
return 0;
}
static int qsv_map_from(AVHWFramesContext *ctx,
AVFrame *dst, const AVFrame *src, int flags)
{
QSVFramesContext *s = ctx->internal->priv;
mfxFrameSurface1 *surf = (mfxFrameSurface1*)src->data[3];
AVHWFramesContext *child_frames_ctx;
const AVPixFmtDescriptor *desc;
uint8_t *child_data;
AVFrame *dummy;
int ret = 0;
if (!s->child_frames_ref)
return AVERROR(ENOSYS);
child_frames_ctx = (AVHWFramesContext*)s->child_frames_ref->data;
switch (child_frames_ctx->device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
/* pair->first is *VASurfaceID while data[3] in vaapi frame is VASurfaceID, so
* we need this casting for vaapi.
* Add intptr_t to force cast from VASurfaceID(uint) type to pointer(long) type
* to avoid compile warning */
child_data = (uint8_t*)(intptr_t)*(VASurfaceID*)pair->first;
break;
}
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
{
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
child_data = pair->first;
break;
}
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
child_data = pair->first;
break;
}
#endif
default:
return AVERROR(ENOSYS);
}
if (dst->format == child_frames_ctx->format) {
ret = ff_hwframe_map_create(s->child_frames_ref,
dst, src, NULL, NULL);
if (ret < 0)
return ret;
dst->width = src->width;
dst->height = src->height;
if (child_frames_ctx->device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
dst->data[0] = pair->first;
dst->data[1] = pair->second;
} else {
dst->data[3] = child_data;
}
return 0;
}
desc = av_pix_fmt_desc_get(dst->format);
if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
// This only supports mapping to software.
return AVERROR(ENOSYS);
}
dummy = av_frame_alloc();
if (!dummy)
return AVERROR(ENOMEM);
dummy->buf[0] = av_buffer_ref(src->buf[0]);
dummy->hw_frames_ctx = av_buffer_ref(s->child_frames_ref);
if (!dummy->buf[0] || !dummy->hw_frames_ctx)
goto fail;
dummy->format = child_frames_ctx->format;
dummy->width = src->width;
dummy->height = src->height;
if (child_frames_ctx->device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
mfxHDLPair *pair = (mfxHDLPair*)surf->Data.MemId;
dummy->data[0] = pair->first;
dummy->data[1] = pair->second;
} else {
dummy->data[3] = child_data;
}
ret = av_hwframe_map(dst, dummy, flags);
fail:
av_frame_free(&dummy);
return ret;
}
static int qsv_transfer_data_child(AVHWFramesContext *ctx, AVFrame *dst,
const AVFrame *src)
{
QSVFramesContext *s = ctx->internal->priv;
AVHWFramesContext *child_frames_ctx = (AVHWFramesContext*)s->child_frames_ref->data;
int download = !!src->hw_frames_ctx;
mfxFrameSurface1 *surf = (mfxFrameSurface1*)(download ? src->data[3] : dst->data[3]);
AVFrame *dummy;
int ret;
dummy = av_frame_alloc();
if (!dummy)
return AVERROR(ENOMEM);
dummy->format = child_frames_ctx->format;
dummy->width = src->width;
dummy->height = src->height;
dummy->buf[0] = download ? src->buf[0] : dst->buf[0];
dummy->data[3] = surf->Data.MemId;
dummy->hw_frames_ctx = s->child_frames_ref;
ret = download ? av_hwframe_transfer_data(dst, dummy, 0) :
av_hwframe_transfer_data(dummy, src, 0);
dummy->buf[0] = NULL;
dummy->data[3] = NULL;
dummy->hw_frames_ctx = NULL;
av_frame_free(&dummy);
return ret;
}
static int map_frame_to_surface(const AVFrame *frame, mfxFrameSurface1 *surface)
{
switch (frame->format) {
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_P010:
surface->Data.Y = frame->data[0];
surface->Data.UV = frame->data[1];
break;
case AV_PIX_FMT_YUV420P:
surface->Data.Y = frame->data[0];
surface->Data.U = frame->data[1];
surface->Data.V = frame->data[2];
break;
case AV_PIX_FMT_BGRA:
surface->Data.B = frame->data[0];
surface->Data.G = frame->data[0] + 1;
surface->Data.R = frame->data[0] + 2;
surface->Data.A = frame->data[0] + 3;
break;
#if CONFIG_VAAPI
case AV_PIX_FMT_YUYV422:
surface->Data.Y = frame->data[0];
surface->Data.U = frame->data[0] + 1;
surface->Data.V = frame->data[0] + 3;
break;
case AV_PIX_FMT_Y210:
surface->Data.Y16 = (mfxU16 *)frame->data[0];
surface->Data.U16 = (mfxU16 *)frame->data[0] + 1;
surface->Data.V16 = (mfxU16 *)frame->data[0] + 3;
break;
#endif
default:
return MFX_ERR_UNSUPPORTED;
}
surface->Data.Pitch = frame->linesize[0];
surface->Data.TimeStamp = frame->pts;
return 0;
}
static int qsv_internal_session_check_init(AVHWFramesContext *ctx, int upload)
{
QSVFramesContext *s = ctx->internal->priv;
atomic_int *inited = upload ? &s->session_upload_init : &s->session_download_init;
mfxSession *session = upload ? &s->session_upload : &s->session_download;
int ret = 0;
if (atomic_load(inited))
return 0;
#if HAVE_PTHREADS
pthread_mutex_lock(&s->session_lock);
#endif
if (!atomic_load(inited)) {
ret = qsv_init_internal_session(ctx, session, upload);
atomic_store(inited, 1);
}
#if HAVE_PTHREADS
pthread_mutex_unlock(&s->session_lock);
#endif
return ret;
}
static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst,
const AVFrame *src)
{
QSVFramesContext *s = ctx->internal->priv;
mfxFrameSurface1 out = {{ 0 }};
mfxFrameSurface1 *in = (mfxFrameSurface1*)src->data[3];
mfxSyncPoint sync = NULL;
mfxStatus err;
int ret = 0;
ret = qsv_internal_session_check_init(ctx, 0);
if (ret < 0)
return ret;
if (!s->session_download) {
if (s->child_frames_ref)
return qsv_transfer_data_child(ctx, dst, src);
av_log(ctx, AV_LOG_ERROR, "Surface download not possible\n");
return AVERROR(ENOSYS);
}
out.Info = in->Info;
map_frame_to_surface(dst, &out);
do {
err = MFXVideoVPP_RunFrameVPPAsync(s->session_download, in, &out, NULL, &sync);
if (err == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (err == MFX_WRN_DEVICE_BUSY);
if (err < 0 || !sync) {
av_log(ctx, AV_LOG_ERROR, "Error downloading the surface\n");
return AVERROR_UNKNOWN;
}
do {
err = MFXVideoCORE_SyncOperation(s->session_download, sync, 1000);
} while (err == MFX_WRN_IN_EXECUTION);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err);
return AVERROR_UNKNOWN;
}
return 0;
}
static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
const AVFrame *src)
{
QSVFramesContext *s = ctx->internal->priv;
mfxFrameSurface1 in = {{ 0 }};
mfxFrameSurface1 *out = (mfxFrameSurface1*)dst->data[3];
mfxFrameInfo tmp_info;
mfxSyncPoint sync = NULL;
mfxStatus err;
int ret = 0;
/* make a copy if the input is not padded as libmfx requires */
AVFrame *tmp_frame = &s->realigned_tmp_frame;
const AVFrame *src_frame;
int realigned = 0;
ret = qsv_internal_session_check_init(ctx, 1);
if (ret < 0)
return ret;
/* According to MSDK spec for mfxframeinfo, "Width must be a multiple of 16.
* Height must be a multiple of 16 for progressive frame sequence and a
* multiple of 32 otherwise.", so allign all frames to 16 before uploading. */
if (src->height & 15 || src->linesize[0] & 15) {
realigned = 1;
if (tmp_frame->format != src->format ||
tmp_frame->width != FFALIGN(src->width, 16) ||
tmp_frame->height != FFALIGN(src->height, 16)) {
av_frame_unref(tmp_frame);
tmp_frame->format = src->format;
tmp_frame->width = FFALIGN(src->width, 16);
tmp_frame->height = FFALIGN(src->height, 16);
ret = av_frame_get_buffer(tmp_frame, 0);
if (ret < 0)
return ret;
}
ret = av_frame_copy(tmp_frame, src);
if (ret < 0) {
av_frame_unref(tmp_frame);
return ret;
}
ret = qsv_fill_border(tmp_frame, src);
if (ret < 0) {
av_frame_unref(tmp_frame);
return ret;
}
tmp_info = out->Info;
out->Info.CropW = FFMIN(out->Info.Width, tmp_frame->width);
out->Info.CropH = FFMIN(out->Info.Height, tmp_frame->height);
}
src_frame = realigned ? tmp_frame : src;
if (!s->session_upload) {
if (s->child_frames_ref)
return qsv_transfer_data_child(ctx, dst, src_frame);
av_log(ctx, AV_LOG_ERROR, "Surface upload not possible\n");
return AVERROR(ENOSYS);
}
in.Info = out->Info;
map_frame_to_surface(src_frame, &in);
do {
err = MFXVideoVPP_RunFrameVPPAsync(s->session_upload, &in, out, NULL, &sync);
if (err == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (err == MFX_WRN_DEVICE_BUSY);
if (err < 0 || !sync) {
av_log(ctx, AV_LOG_ERROR, "Error uploading the surface\n");
return AVERROR_UNKNOWN;
}
do {
err = MFXVideoCORE_SyncOperation(s->session_upload, sync, 1000);
} while (err == MFX_WRN_IN_EXECUTION);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation\n");
return AVERROR_UNKNOWN;
}
if (realigned) {
out->Info.CropW = tmp_info.CropW;
out->Info.CropH = tmp_info.CropH;
}
return 0;
}
static int qsv_frames_derive_to(AVHWFramesContext *dst_ctx,
AVHWFramesContext *src_ctx, int flags)
{
QSVFramesContext *s = dst_ctx->internal->priv;
AVQSVFramesContext *dst_hwctx = dst_ctx->hwctx;
int i;
if (src_ctx->initial_pool_size == 0) {
av_log(dst_ctx, AV_LOG_ERROR, "Only fixed-size pools can be "
"mapped to QSV frames.\n");
return AVERROR(EINVAL);
}
switch (src_ctx->device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
AVVAAPIFramesContext *src_hwctx = src_ctx->hwctx;
s->handle_pairs_internal = av_calloc(src_ctx->initial_pool_size,
sizeof(*s->handle_pairs_internal));
if (!s->handle_pairs_internal)
return AVERROR(ENOMEM);
s->surfaces_internal = av_calloc(src_hwctx->nb_surfaces,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
s->handle_pairs_internal[i].first = src_hwctx->surface_ids + i;
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
break;
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
{
AVD3D11VAFramesContext *src_hwctx = src_ctx->hwctx;
s->handle_pairs_internal = av_calloc(src_ctx->initial_pool_size,
sizeof(*s->handle_pairs_internal));
if (!s->handle_pairs_internal)
return AVERROR(ENOMEM);
s->surfaces_internal = av_calloc(src_ctx->initial_pool_size,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < src_ctx->initial_pool_size; i++) {
qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
s->handle_pairs_internal[i].first = (mfxMemId)src_hwctx->texture_infos[i].texture;
if (src_hwctx->BindFlags & D3D11_BIND_RENDER_TARGET) {
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
} else {
s->handle_pairs_internal[i].second = (mfxMemId)src_hwctx->texture_infos[i].index;
}
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
dst_hwctx->nb_surfaces = src_ctx->initial_pool_size;
if (src_hwctx->BindFlags & D3D11_BIND_RENDER_TARGET) {
dst_hwctx->frame_type |= MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
} else {
dst_hwctx->frame_type |= MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
}
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
AVDXVA2FramesContext *src_hwctx = src_ctx->hwctx;
s->handle_pairs_internal = av_calloc(src_ctx->initial_pool_size,
sizeof(*s->handle_pairs_internal));
if (!s->handle_pairs_internal)
return AVERROR(ENOMEM);
s->surfaces_internal = av_calloc(src_hwctx->nb_surfaces,
sizeof(*s->surfaces_internal));
if (!s->surfaces_internal)
return AVERROR(ENOMEM);
for (i = 0; i < src_hwctx->nb_surfaces; i++) {
qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
s->handle_pairs_internal[i].first = (mfxMemId)src_hwctx->surfaces[i];
s->handle_pairs_internal[i].second = (mfxMemId)MFX_INFINITE;
s->surfaces_internal[i].Data.MemId = (mfxMemId)&s->handle_pairs_internal[i];
}
dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
if (src_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget)
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
else
dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
}
break;
#endif
default:
return AVERROR(ENOSYS);
}
dst_hwctx->surfaces = s->surfaces_internal;
return 0;
}
static int qsv_map_to(AVHWFramesContext *dst_ctx,
AVFrame *dst, const AVFrame *src, int flags)
{
AVQSVFramesContext *hwctx = dst_ctx->hwctx;
int i, err, index = -1;
for (i = 0; i < hwctx->nb_surfaces && index < 0; i++) {
switch(src->format) {
#if CONFIG_VAAPI
case AV_PIX_FMT_VAAPI:
{
mfxHDLPair *pair = (mfxHDLPair*)hwctx->surfaces[i].Data.MemId;
if (*(VASurfaceID*)pair->first == (VASurfaceID)src->data[3]) {
index = i;
break;
}
}
#endif
#if CONFIG_D3D11VA
case AV_PIX_FMT_D3D11:
{
mfxHDLPair *pair = (mfxHDLPair*)hwctx->surfaces[i].Data.MemId;
if (pair->first == src->data[0]
&& pair->second == src->data[1]) {
index = i;
break;
}
}
#endif
#if CONFIG_DXVA2
case AV_PIX_FMT_DXVA2_VLD:
{
mfxHDLPair *pair = (mfxHDLPair*)hwctx->surfaces[i].Data.MemId;
if (pair->first == src->data[3]) {
index = i;
break;
}
}
#endif
}
}
if (index < 0) {
av_log(dst_ctx, AV_LOG_ERROR, "Trying to map from a surface which "
"is not in the mapped frames context.\n");
return AVERROR(EINVAL);
}
err = ff_hwframe_map_create(dst->hw_frames_ctx,
dst, src, NULL, NULL);
if (err)
return err;
dst->width = src->width;
dst->height = src->height;
dst->data[3] = (uint8_t*)&hwctx->surfaces[index];
return 0;
}
static int qsv_frames_get_constraints(AVHWDeviceContext *ctx,
const void *hwconfig,
AVHWFramesConstraints *constraints)
{
int i;
constraints->valid_sw_formats = av_malloc_array(FF_ARRAY_ELEMS(supported_pixel_formats) + 1,
sizeof(*constraints->valid_sw_formats));
if (!constraints->valid_sw_formats)
return AVERROR(ENOMEM);
for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++)
constraints->valid_sw_formats[i] = supported_pixel_formats[i].pix_fmt;
constraints->valid_sw_formats[FF_ARRAY_ELEMS(supported_pixel_formats)] = AV_PIX_FMT_NONE;
constraints->valid_hw_formats = av_malloc_array(2, sizeof(*constraints->valid_hw_formats));
if (!constraints->valid_hw_formats)
return AVERROR(ENOMEM);
constraints->valid_hw_formats[0] = AV_PIX_FMT_QSV;
constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE;
return 0;
}
static void qsv_device_free(AVHWDeviceContext *ctx)
{
AVQSVDeviceContext *hwctx = ctx->hwctx;
QSVDevicePriv *priv = ctx->user_opaque;
if (hwctx->session)
MFXClose(hwctx->session);
av_buffer_unref(&priv->child_device_ctx);
av_freep(&priv);
}
static mfxIMPL choose_implementation(const char *device, enum AVHWDeviceType child_device_type)
{
static const struct {
const char *name;
mfxIMPL impl;
} impl_map[] = {
{ "auto", MFX_IMPL_AUTO },
{ "sw", MFX_IMPL_SOFTWARE },
{ "hw", MFX_IMPL_HARDWARE },
{ "auto_any", MFX_IMPL_AUTO_ANY },
{ "hw_any", MFX_IMPL_HARDWARE_ANY },
{ "hw2", MFX_IMPL_HARDWARE2 },
{ "hw3", MFX_IMPL_HARDWARE3 },
{ "hw4", MFX_IMPL_HARDWARE4 },
};
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
int i;
if (device) {
for (i = 0; i < FF_ARRAY_ELEMS(impl_map); i++)
if (!strcmp(device, impl_map[i].name)) {
impl = impl_map[i].impl;
break;
}
if (i == FF_ARRAY_ELEMS(impl_map))
impl = strtol(device, NULL, 0);
}
if (impl != MFX_IMPL_SOFTWARE) {
if (child_device_type == AV_HWDEVICE_TYPE_D3D11VA)
impl |= MFX_IMPL_VIA_D3D11;
else if (child_device_type == AV_HWDEVICE_TYPE_DXVA2)
impl |= MFX_IMPL_VIA_D3D9;
}
return impl;
}
static int qsv_device_derive_from_child(AVHWDeviceContext *ctx,
mfxIMPL implementation,
AVHWDeviceContext *child_device_ctx,
int flags)
{
AVQSVDeviceContext *hwctx = ctx->hwctx;
mfxVersion ver = { { 3, 1 } };
mfxHDL handle;
mfxHandleType handle_type;
mfxStatus err;
int ret;
switch (child_device_ctx->type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
AVVAAPIDeviceContext *child_device_hwctx = child_device_ctx->hwctx;
handle_type = MFX_HANDLE_VA_DISPLAY;
handle = (mfxHDL)child_device_hwctx->display;
}
break;
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
{
AVD3D11VADeviceContext *child_device_hwctx = child_device_ctx->hwctx;
handle_type = MFX_HANDLE_D3D11_DEVICE;
handle = (mfxHDL)child_device_hwctx->device;
}
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
{
AVDXVA2DeviceContext *child_device_hwctx = child_device_ctx->hwctx;
handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
handle = (mfxHDL)child_device_hwctx->devmgr;
}
break;
#endif
default:
ret = AVERROR(ENOSYS);
goto fail;
}
err = MFXInit(implementation, &ver, &hwctx->session);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error initializing an MFX session: "
"%d.\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
err = MFXQueryVersion(hwctx->session, &ver);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error querying an MFX session: %d.\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
av_log(ctx, AV_LOG_VERBOSE,
"Initialize MFX session: API version is %d.%d, implementation version is %d.%d\n",
MFX_VERSION_MAJOR, MFX_VERSION_MINOR, ver.Major, ver.Minor);
MFXClose(hwctx->session);
err = MFXInit(implementation, &ver, &hwctx->session);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR,
"Error initializing an MFX session: %d.\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
err = MFXVideoCORE_SetHandle(hwctx->session, handle_type, handle);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error setting child device handle: "
"%d\n", err);
ret = AVERROR_UNKNOWN;
goto fail;
}
return 0;
fail:
if (hwctx->session)
MFXClose(hwctx->session);
return ret;
}
static int qsv_device_derive(AVHWDeviceContext *ctx,
AVHWDeviceContext *child_device_ctx,
AVDictionary *opts, int flags)
{
mfxIMPL impl;
impl = choose_implementation("hw_any", child_device_ctx->type);
return qsv_device_derive_from_child(ctx, impl,
child_device_ctx, flags);
}
static int qsv_device_create(AVHWDeviceContext *ctx, const char *device,
AVDictionary *opts, int flags)
{
QSVDevicePriv *priv;
enum AVHWDeviceType child_device_type;
AVHWDeviceContext *child_device;
AVDictionary *child_device_opts;
AVDictionaryEntry *e;
mfxIMPL impl;
int ret;
priv = av_mallocz(sizeof(*priv));
if (!priv)
return AVERROR(ENOMEM);
ctx->user_opaque = priv;
ctx->free = qsv_device_free;
e = av_dict_get(opts, "child_device_type", NULL, 0);
if (e) {
child_device_type = av_hwdevice_find_type_by_name(e->value);
if (child_device_type == AV_HWDEVICE_TYPE_NONE) {
av_log(ctx, AV_LOG_ERROR, "Unknown child device type "
"\"%s\".\n", e->value);
return AVERROR(EINVAL);
}
} else if (CONFIG_VAAPI) {
child_device_type = AV_HWDEVICE_TYPE_VAAPI;
} else if (CONFIG_DXVA2) {
av_log(NULL, AV_LOG_WARNING,
"WARNING: defaulting child_device_type to AV_HWDEVICE_TYPE_DXVA2 for compatibility "
"with old commandlines. This behaviour will be removed "
"in the future. Please explicitly set device type via \"-init_hw_device\" option.\n");
child_device_type = AV_HWDEVICE_TYPE_DXVA2;
} else if (CONFIG_D3D11VA) {
child_device_type = AV_HWDEVICE_TYPE_D3D11VA;
} else {
av_log(ctx, AV_LOG_ERROR, "No supported child device type is enabled\n");
return AVERROR(ENOSYS);
}
child_device_opts = NULL;
switch (child_device_type) {
#if CONFIG_VAAPI
case AV_HWDEVICE_TYPE_VAAPI:
{
// libmfx does not actually implement VAAPI properly, rather it
// depends on the specific behaviour of a matching iHD driver when
// used on recent Intel hardware. Set options to the VAAPI device
// creation so that we should pick a usable setup by default if
// possible, even when multiple devices and drivers are available.
av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
av_dict_set(&child_device_opts, "driver", "iHD", 0);
}
break;
#endif
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
break;
#endif
default:
{
av_log(ctx, AV_LOG_ERROR, "No supported child device type is enabled\n");
return AVERROR(ENOSYS);
}
break;
}
e = av_dict_get(opts, "child_device", NULL, 0);
ret = av_hwdevice_ctx_create(&priv->child_device_ctx, child_device_type,
e ? e->value : NULL, child_device_opts, 0);
av_dict_free(&child_device_opts);
if (ret < 0)
return ret;
child_device = (AVHWDeviceContext*)priv->child_device_ctx->data;
impl = choose_implementation(device, child_device_type);
return qsv_device_derive_from_child(ctx, impl, child_device, 0);
}
const HWContextType ff_hwcontext_type_qsv = {
.type = AV_HWDEVICE_TYPE_QSV,
.name = "QSV",
.device_hwctx_size = sizeof(AVQSVDeviceContext),
.device_priv_size = sizeof(QSVDeviceContext),
.frames_hwctx_size = sizeof(AVQSVFramesContext),
.frames_priv_size = sizeof(QSVFramesContext),
.device_create = qsv_device_create,
.device_derive = qsv_device_derive,
.device_init = qsv_device_init,
.frames_get_constraints = qsv_frames_get_constraints,
.frames_init = qsv_frames_init,
.frames_uninit = qsv_frames_uninit,
.frames_get_buffer = qsv_get_buffer,
.transfer_get_formats = qsv_transfer_get_formats,
.transfer_data_to = qsv_transfer_data_to,
.transfer_data_from = qsv_transfer_data_from,
.map_to = qsv_map_to,
.map_from = qsv_map_from,
.frames_derive_to = qsv_frames_derive_to,
.frames_derive_from = qsv_frames_derive_from,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_QSV, AV_PIX_FMT_NONE },
};
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