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vlc/modules/codec/avcodec/dxva2.c

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/*****************************************************************************
* dxva2.c: Video Acceleration helpers
*****************************************************************************
* Copyright (C) 2009 Geoffroy Couprie
* Copyright (C) 2009 Laurent Aimar
*
* Authors: Geoffroy Couprie <geal@videolan.org>
* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_picture.h>
#include <vlc_plugin.h>
#define DXVA2API_USE_BITFIELDS
#define COBJMACROS
#include <libavcodec/dxva2.h>
#include "../../video_chroma/d3d9_fmt.h"
struct dxva2_pic_context
{
struct d3d9_pic_context ctx;
struct vlc_va_surface_t *va_surface;
HINSTANCE dxva2_dll;
};
#define DXVA2_PICCONTEXT_FROM_PICCTX(pic_ctx) \
container_of((pic_ctx), struct dxva2_pic_context, ctx.s)
#include "directx_va.h"
static int Open(vlc_va_t *, AVCodecContext *, enum AVPixelFormat hwfmt, const AVPixFmtDescriptor *,
const es_format_t *, vlc_decoder_device *, video_format_t *, vlc_video_context **);
vlc_module_begin()
set_description(N_("DirectX Video Acceleration (DXVA) 2.0"))
set_subcategory(SUBCAT_INPUT_VCODEC)
set_va_callback(Open, 110)
vlc_module_end()
/* */
typedef struct
{
/* Direct3D */
vlc_video_context *vctx;
/* DLL */
HINSTANCE dxva2_dll;
/* Device manager */
IDirect3DDeviceManager9 *devmng;
HANDLE device;
/* Video service */
D3DFORMAT render;
/* Video decoder */
DXVA2_ConfigPictureDecode cfg;
const directx_va_mode_t *selected_decoder;
IDirectXVideoDecoderService *d3ddec;
/* pool */
va_pool_t *va_pool;
IDirect3DSurface9 *hw_surface[MAX_SURFACE_COUNT];
/* avcodec internals */
struct dxva_context hw;
} vlc_va_sys_t;
/* */
static int D3dCreateDevice(vlc_va_t *);
static int DxGetInputList(vlc_va_t *, input_list_t *);
static int DxSetupOutput(vlc_va_t *, const directx_va_mode_t *, const video_format_t *);
static int DxCreateVideoDecoder(vlc_va_t *, int codec_id,
const video_format_t *, size_t surface_count);
static void DxDestroyVideoDecoder(void *);
static void SetupAVCodecContext(void *opaque, AVCodecContext *avctx)
{
vlc_va_sys_t *sys = opaque;
sys->hw.cfg = &sys->cfg;
sys->hw.surface = sys->hw_surface;
sys->hw.workaround = sys->selected_decoder->workaround;
avctx->hwaccel_context = &sys->hw;
}
static void dxva2_pic_context_destroy(picture_context_t *ctx)
{
struct dxva2_pic_context *pic_ctx = DXVA2_PICCONTEXT_FROM_PICCTX(ctx);
struct vlc_va_surface_t *va_surface = pic_ctx->va_surface;
HINSTANCE dxva2_dll = pic_ctx->dxva2_dll;
static_assert(offsetof(struct dxva2_pic_context, ctx.s) == 0,
"Cast assumption failure");
d3d9_pic_context_destroy(ctx);
va_surface_Release(va_surface);
FreeLibrary(dxva2_dll);
}
static picture_context_t *dxva2_pic_context_copy(picture_context_t *ctx)
{
struct dxva2_pic_context *src_ctx = DXVA2_PICCONTEXT_FROM_PICCTX(ctx);
struct dxva2_pic_context *pic_ctx = malloc(sizeof(*pic_ctx));
if (unlikely(pic_ctx==NULL))
return NULL;
*pic_ctx = *src_ctx;
pic_ctx->dxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
vlc_video_context_Hold(pic_ctx->ctx.s.vctx);
va_surface_AddRef(pic_ctx->va_surface);
AcquireD3D9PictureSys(&pic_ctx->ctx.picsys);
return &pic_ctx->ctx.s;
}
static struct dxva2_pic_context *CreatePicContext(IDirect3DSurface9 *surface, vlc_video_context *vctx)
{
struct dxva2_pic_context *pic_ctx = calloc(1, sizeof(*pic_ctx));
if (unlikely(pic_ctx==NULL))
return NULL;
pic_ctx->ctx.s = (picture_context_t) {
dxva2_pic_context_destroy, dxva2_pic_context_copy,
vlc_video_context_Hold(vctx),
};
pic_ctx->ctx.picsys.surface = surface;
AcquireD3D9PictureSys(&pic_ctx->ctx.picsys);
return pic_ctx;
}
static picture_context_t* NewSurfacePicContext(vlc_va_t *va, vlc_va_surface_t *va_surface)
{
vlc_va_sys_t *sys = va->sys;
struct dxva2_pic_context *pic_ctx = CreatePicContext(sys->hw_surface[va_surface_GetIndex(va_surface)], sys->vctx);
if (unlikely(pic_ctx==NULL))
return NULL;
pic_ctx->va_surface = va_surface;
pic_ctx->dxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
return &pic_ctx->ctx.s;
}
static int Get(vlc_va_t *va, picture_t *pic, AVCodecContext *ctx, AVFrame *frame)
{
(void) ctx;
vlc_va_sys_t *sys = va->sys;
/* Check the device */
HRESULT hr = IDirect3DDeviceManager9_TestDevice(sys->devmng, sys->device);
if (FAILED(hr)) {
if (hr == DXVA2_E_NEW_VIDEO_DEVICE)
msg_Warn(va, "New video device detected.");
else
msg_Err(va, "device not usable. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
vlc_va_surface_t *va_surface = va_pool_Get(sys->va_pool);
if (unlikely(va_surface==NULL))
return VLC_ENOENT;
pic->context = NewSurfacePicContext(va, va_surface);
if (unlikely(pic->context == NULL))
{
va_surface_Release(va_surface);
return VLC_ENOENT;
}
frame->data[3] = (uint8_t*)DXVA2_PICCONTEXT_FROM_PICCTX(pic->context)->ctx.picsys.surface;
return VLC_SUCCESS;
}
static void Close(vlc_va_t *va, AVCodecContext *ctx)
{
vlc_va_sys_t *sys = va->sys;
if (ctx)
ctx->hwaccel_context = NULL;
if (sys->vctx)
vlc_video_context_Release(sys->vctx);
if (sys->va_pool)
va_pool_Close(sys->va_pool);
}
static const struct vlc_va_operations ops = { Get, Close, };
static int Open(vlc_va_t *va, AVCodecContext *ctx, enum AVPixelFormat hwfmt, const AVPixFmtDescriptor *desc,
const es_format_t *fmt_in, vlc_decoder_device *dec_device,
video_format_t *fmt_out, vlc_video_context **vtcx_out)
{
int err = VLC_EGENERIC;
if ( hwfmt != AV_PIX_FMT_DXVA2_VLD )
return VLC_EGENERIC;
d3d9_decoder_device_t *d3d9_decoder = GetD3D9OpaqueDevice( dec_device );
if ( d3d9_decoder == NULL )
return VLC_EGENERIC;
assert(d3d9_decoder->d3ddev.dev != NULL); // coming from the decoder device
ctx->hwaccel_context = NULL;
vlc_va_sys_t *sys = calloc(1, sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
sys->vctx = vlc_video_context_Create( dec_device, VLC_VIDEO_CONTEXT_DXVA2,
sizeof(d3d9_video_context_t), &d3d9_vctx_ops );
if (likely(sys->vctx == NULL))
{
free( sys );
return VLC_EGENERIC;
}
va->sys = sys;
/* Load dll*/
sys->dxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
if (!sys->dxva2_dll) {
msg_Warn(va, "cannot load DXVA2 decoder DLL");
if (sys->vctx)
vlc_video_context_Release(sys->vctx);
free( sys );
return VLC_EGENERIC;
}
struct va_pool_cfg pool_cfg = {
D3dCreateDevice,
DxDestroyVideoDecoder,
DxCreateVideoDecoder,
SetupAVCodecContext,
sys,
};
sys->va_pool = va_pool_Create(va, &pool_cfg);
if (sys->va_pool == NULL)
{
err = VLC_EGENERIC;
goto error;
}
video_format_t final_fmt = *fmt_out;
static const directx_sys_t dx_sys = { DxGetInputList, DxSetupOutput };
sys->selected_decoder = directx_va_Setup(va, &dx_sys, ctx, desc, fmt_in, 0,
&final_fmt, &sys->hw.surface_count);
if (sys->selected_decoder == NULL)
{
err = VLC_EGENERIC;
goto error;
}
if (sys->render == MAKEFOURCC('P','0','1','0') ||
sys->render == MAKEFOURCC('Y','4','1','0') ||
sys->render == MAKEFOURCC('Y','2','1','0'))
final_fmt.i_chroma = VLC_CODEC_D3D9_OPAQUE_10B;
else
final_fmt.i_chroma = VLC_CODEC_D3D9_OPAQUE;
err = va_pool_SetupDecoder(va, sys->va_pool, ctx, &final_fmt, sys->hw.surface_count);
if (err != VLC_SUCCESS)
goto error;
const D3DADAPTER_IDENTIFIER9 *identifier = &d3d9_decoder->d3ddev.identifier;
msg_Info(va, "Using DXVA2 (%.*s, vendor %s(%lx), device %lx, revision %lx)",
(int)sizeof(identifier->Description), identifier->Description,
DxgiVendorStr(identifier->VendorId), identifier->VendorId,
identifier->DeviceId, identifier->Revision);
d3d9_video_context_t *octx = GetD3D9ContextPrivate(sys->vctx);
octx->format = sys->render;
va->ops = &ops;
*fmt_out = final_fmt;
*vtcx_out = sys->vctx;
return VLC_SUCCESS;
error:
Close(va, ctx);
return VLC_EGENERIC;
}
/* */
/**
* It creates a Direct3D device usable for DXVA 2
*/
static int D3dCreateDevice(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
d3d9_decoder_device_t *d3d9_decoder = GetD3D9OpaqueContext(sys->vctx);
HRESULT (WINAPI *CreateDeviceManager9)(UINT *pResetToken,
IDirect3DDeviceManager9 **);
CreateDeviceManager9 =
(void *)GetProcAddress(sys->dxva2_dll,
"DXVA2CreateDirect3DDeviceManager9");
if (!CreateDeviceManager9) {
msg_Err(va, "cannot load function");
return VLC_EGENERIC;
}
msg_Dbg(va, "got CreateDeviceManager9");
UINT token;
if (FAILED(CreateDeviceManager9(&token, &sys->devmng))) {
msg_Err(va, " OurDirect3DCreateDeviceManager9 failed");
return VLC_EGENERIC;
}
msg_Dbg(va, "obtained IDirect3DDeviceManager9");
HRESULT hr = IDirect3DDeviceManager9_ResetDevice(sys->devmng, d3d9_decoder->d3ddev.dev, token);
if (FAILED(hr)) {
msg_Err(va, "IDirect3DDeviceManager9_ResetDevice failed: 0x%lX)", hr);
IDirect3DDeviceManager9_Release(sys->devmng);
return VLC_EGENERIC;
}
hr = IDirect3DDeviceManager9_OpenDeviceHandle(sys->devmng, &sys->device);
if (FAILED(hr)) {
msg_Err(va, "OpenDeviceHandle failed");
IDirect3DDeviceManager9_Release(sys->devmng);
return VLC_EGENERIC;
}
void *pv;
hr = IDirect3DDeviceManager9_GetVideoService(sys->devmng, sys->device,
&IID_IDirectXVideoDecoderService, &pv);
if (FAILED(hr)) {
msg_Err(va, "GetVideoService failed");
IDirect3DDeviceManager9_CloseDeviceHandle(sys->devmng, sys->device);
IDirect3DDeviceManager9_Release(sys->devmng);
return VLC_EGENERIC;
}
sys->d3ddec = pv;
return VLC_SUCCESS;
}
static void ReleaseInputList(input_list_t *p_list)
{
CoTaskMemFree(p_list->list);
}
static int DxGetInputList(vlc_va_t *va, input_list_t *p_list)
{
vlc_va_sys_t *sys = va->sys;
UINT input_count = 0;
GUID *input_list = NULL;
if (FAILED(IDirectXVideoDecoderService_GetDecoderDeviceGuids(sys->d3ddec,
&input_count,
&input_list))) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderDeviceGuids failed");
return VLC_EGENERIC;
}
p_list->count = input_count;
p_list->list = input_list;
p_list->pf_release = ReleaseInputList;
return VLC_SUCCESS;
}
static int DxSetupOutput(vlc_va_t *va, const directx_va_mode_t *mode, const video_format_t *fmt)
{
VLC_UNUSED(fmt);
vlc_va_sys_t *sys = va->sys;
d3d9_decoder_device_t *d3d9_decoder = GetD3D9OpaqueContext(sys->vctx);
const D3DADAPTER_IDENTIFIER9 *identifier = &d3d9_decoder->d3ddev.identifier;
UINT driverBuild = identifier->DriverVersion.LowPart & 0xFFFF;
if (identifier->VendorId == GPU_MANUFACTURER_INTEL && (identifier->DriverVersion.LowPart >> 16) >= 100)
{
/* new Intel driver format */
driverBuild += ((identifier->DriverVersion.LowPart >> 16) - 100) * 1000;
}
if (!directx_va_canUseDecoder(va, identifier->VendorId, identifier->DeviceId,
mode->guid, driverBuild))
{
msg_Warn(va, "GPU blocklisted for %s codec", mode->name);
return VLC_EGENERIC;
}
int err = VLC_EGENERIC;
UINT output_count = 0;
D3DFORMAT *output_list = NULL;
if (FAILED(IDirectXVideoDecoderService_GetDecoderRenderTargets(sys->d3ddec,
mode->guid,
&output_count,
&output_list))) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderRenderTargets failed");
return VLC_EGENERIC;
}
for (unsigned j = 0; j < output_count; j++) {
const D3DFORMAT f = output_list[j];
const d3d9_format_t *format = D3D9FormatFourcc(f);
if (format) {
msg_Dbg(va, "%s is supported for output", format->name);
} else {
msg_Dbg(va, "%d is supported for output (%4.4s)", f, (const char*)&f);
}
}
D3DFORMAT preferredOutput;
if (mode->bit_depth > 8)
{
if (mode->log2_chroma_w == 0 && mode->log2_chroma_h == 0)
preferredOutput = MAKEFOURCC('Y','4','1','0'); // 10 bits 4:4:4
else if (mode->log2_chroma_w == 1 && mode->log2_chroma_h == 0)
preferredOutput = MAKEFOURCC('Y','2','1','0'); // 10 bits 4:2:2
else
preferredOutput = MAKEFOURCC('P','0','1','0');
}
else if (mode->log2_chroma_w == 0 && mode->log2_chroma_h == 0)
preferredOutput = MAKEFOURCC('A','Y','U','V'); // 8 bits 4:4:4
else if (mode->log2_chroma_w == 1 && mode->log2_chroma_h == 0)
preferredOutput = MAKEFOURCC('Y','U','Y','2'); // 8 bits 4:2:2
else
preferredOutput = MAKEFOURCC('N','V','1','2');
msg_Dbg(va, "favor decoder format %4.4s (for 4:%d:%d %d bits)", (const char*)&preferredOutput,
(2-mode->log2_chroma_w)*2, (2-mode->log2_chroma_w-mode->log2_chroma_h)*2, mode->bit_depth);
/* */
for (unsigned pass = 0; pass < 2 && err != VLC_SUCCESS; ++pass)
{
for (unsigned k = 0; k < output_count; k++)
{
if (pass == 0 && output_list[k] != preferredOutput)
continue;
const d3d9_format_t *format = D3D9FormatFourcc(output_list[k]);
if (format != NULL)
{
/* We have our solution */
msg_Dbg(va, "Using decoder output '%s'", format->name);
sys->render = format->format;
err = VLC_SUCCESS;
break;
}
}
}
CoTaskMemFree(output_list);
return err;
}
/**
* It creates a DXVA2 decoder using the given video format
*/
static int DxCreateVideoDecoder(vlc_va_t *va, int codec_id,
const video_format_t *fmt, size_t surface_count)
{
vlc_va_sys_t *sys = va->sys;
HRESULT hr;
hr = IDirectXVideoDecoderService_CreateSurface(sys->d3ddec,
fmt->i_width,
fmt->i_height,
surface_count - 1,
sys->render,
D3DPOOL_DEFAULT,
0,
DXVA2_VideoDecoderRenderTarget,
sys->hw_surface,
NULL);
if (FAILED(hr)) {
msg_Err(va, "IDirectXVideoAccelerationService_CreateSurface %zu failed (hr=0x%lX)", surface_count - 1, hr);
return VLC_EGENERIC;
}
msg_Dbg(va, "IDirectXVideoAccelerationService_CreateSurface succeed with %zu surfaces (%dx%d)",
surface_count, fmt->i_width, fmt->i_height);
IDirect3DSurface9 *tstCrash;
hr = IDirectXVideoDecoderService_CreateSurface(sys->d3ddec,
fmt->i_width,
fmt->i_height,
0,
sys->render,
D3DPOOL_DEFAULT,
0,
DXVA2_VideoDecoderRenderTarget,
&tstCrash,
NULL);
if (FAILED(hr)) {
msg_Err(va, "extra buffer impossible, avoid a crash (hr=0x%lX)", hr);
goto error;
}
IDirect3DSurface9_Release(tstCrash);
/* */
DXVA2_VideoDesc dsc;
ZeroMemory(&dsc, sizeof(dsc));
dsc.SampleWidth = fmt->i_width;
dsc.SampleHeight = fmt->i_height;
dsc.Format = sys->render;
if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
dsc.InputSampleFreq.Numerator = fmt->i_frame_rate;
dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
} else {
dsc.InputSampleFreq.Numerator = 0;
dsc.InputSampleFreq.Denominator = 0;
}
dsc.OutputFrameFreq = dsc.InputSampleFreq;
dsc.UABProtectionLevel = FALSE;
dsc.Reserved = 0;
/* FIXME I am unsure we can let unknown everywhere */
DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
ext->SampleFormat = 0;//DXVA2_SampleUnknown;
ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;
/* List all configurations available for the decoder */
UINT cfg_count = 0;
DXVA2_ConfigPictureDecode *cfg_list = NULL;
hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sys->d3ddec,
sys->selected_decoder->guid,
&dsc,
NULL,
&cfg_count,
&cfg_list);
if (FAILED(hr)) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderConfigurations failed. (hr=0x%lX)", hr);
goto error;
}
msg_Dbg(va, "we got %d decoder configurations", cfg_count);
/* Select the best decoder configuration */
int cfg_score = 0;
for (unsigned i = 0; i < cfg_count; i++) {
const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
/* */
msg_Dbg(va, "configuration[%d] ConfigBitstreamRaw %d",
i, cfg->ConfigBitstreamRaw);
/* */
int score;
if (cfg->ConfigBitstreamRaw == 1)
score = 1;
else if (codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
score = 2;
else
continue;
if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt))
score += 16;
if (cfg_score < score) {
sys->cfg = *cfg;
cfg_score = score;
}
}
CoTaskMemFree(cfg_list);
if (cfg_score <= 0) {
msg_Err(va, "Failed to find a supported decoder configuration");
goto error;
}
/* Create the decoder */
/* adds a reference on each decoder surface */
if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder(sys->d3ddec,
sys->selected_decoder->guid,
&dsc,
&sys->cfg,
sys->hw_surface,
surface_count,
&sys->hw.decoder))) {
msg_Err(va, "IDirectXVideoDecoderService_CreateVideoDecoder failed");
goto error;
}
msg_Dbg(va, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
return VLC_SUCCESS;
error:
for (size_t i = 0; i < surface_count; i++)
IDirect3DSurface9_Release( sys->hw_surface[i] );
return VLC_EGENERIC;
}
static void DxDestroyVideoDecoder(void *opaque)
{
vlc_va_sys_t *sys = opaque;
/* releases a reference on each decoder surface */
if (sys->hw.decoder)
IDirectXVideoDecoder_Release(sys->hw.decoder);
if (sys->hw_surface[0])
{
for (unsigned i = 0; i < sys->hw.surface_count; i++)
IDirect3DSurface9_Release(sys->hw_surface[i]);
}
IDirect3DDeviceManager9_CloseDeviceHandle(sys->devmng, sys->device);
IDirectXVideoDecoderService_Release(sys->d3ddec);
IDirect3DDeviceManager9_Release(sys->devmng);
if (sys->dxva2_dll)
FreeLibrary(sys->dxva2_dll);
free(sys);
}