avconv: add support for DXVA2 decoding
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Hendrik Leppkes
Anton Khirnov
parent
b2b4afe811
commit
35177ba77f
@ -23,6 +23,7 @@ version <next>:
|
||||
- Silicon Graphics Motion Video Compressor 1 & 2 decoder
|
||||
- Silicon Graphics Movie demuxer
|
||||
- On2 AVC (Audio for Video) decoder
|
||||
- support for decoding through DXVA2 in avconv
|
||||
|
||||
|
||||
version 10:
|
||||
|
||||
1
Makefile
1
Makefile
@ -75,6 +75,7 @@ $(foreach prog,$(AVBASENAMES),$(eval OBJS-$(prog) += cmdutils.o))
|
||||
|
||||
OBJS-avconv += avconv_opt.o avconv_filter.o
|
||||
OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_vdpau.o
|
||||
OBJS-avconv-$(CONFIG_DXVA2) += avconv_dxva2.o
|
||||
|
||||
TESTTOOLS = audiogen videogen rotozoom tiny_psnr base64
|
||||
HOSTPROGS := $(TESTTOOLS:%=tests/%) doc/print_options
|
||||
|
||||
2
avconv.h
2
avconv.h
@ -52,6 +52,7 @@ enum HWAccelID {
|
||||
HWACCEL_NONE = 0,
|
||||
HWACCEL_AUTO,
|
||||
HWACCEL_VDPAU,
|
||||
HWACCEL_DXVA2,
|
||||
};
|
||||
|
||||
typedef struct HWAccel {
|
||||
@ -421,5 +422,6 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
|
||||
int avconv_parse_options(int argc, char **argv);
|
||||
|
||||
int vdpau_init(AVCodecContext *s);
|
||||
int dxva2_init(AVCodecContext *s);
|
||||
|
||||
#endif /* AVCONV_H */
|
||||
|
||||
618
avconv_dxva2.c
Normal file
618
avconv_dxva2.c
Normal file
@ -0,0 +1,618 @@
|
||||
/*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav 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.
|
||||
*
|
||||
* Libav 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 Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
#ifdef _WIN32_WINNT
|
||||
#undef _WIN32_WINNT
|
||||
#endif
|
||||
#define _WIN32_WINNT 0x0600
|
||||
#define DXVA2API_USE_BITFIELDS
|
||||
#define COBJMACROS
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/* initguid.h needs to be above d3d/dxva to ensure
|
||||
the GUIDs are initialized properly */
|
||||
#include <initguid.h>
|
||||
|
||||
#include <d3d9.h>
|
||||
#include <dxva2api.h>
|
||||
|
||||
#include "avconv.h"
|
||||
|
||||
#include "libavcodec/dxva2.h"
|
||||
|
||||
#include "libavutil/avassert.h"
|
||||
#include "libavutil/buffer.h"
|
||||
#include "libavutil/frame.h"
|
||||
#include "libavutil/imgutils.h"
|
||||
#include "libavutil/pixfmt.h"
|
||||
|
||||
typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
|
||||
typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
|
||||
|
||||
/* GUIDs not defined in the common dxva2api.h in mingw-w64 */
|
||||
#ifndef _MSC_VER
|
||||
DEFINE_GUID(DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
|
||||
DEFINE_GUID(DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
|
||||
DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
|
||||
#endif
|
||||
|
||||
DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
|
||||
DEFINE_GUID(GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
|
||||
|
||||
typedef struct dxva2_mode {
|
||||
const GUID *guid;
|
||||
enum AVCodecID codec;
|
||||
} dxva2_mode;
|
||||
|
||||
static const dxva2_mode dxva2_modes[] = {
|
||||
/* MPEG-2 */
|
||||
{ &DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO },
|
||||
{ &DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO },
|
||||
|
||||
/* H.264 */
|
||||
{ &DXVA2_ModeH264_F, AV_CODEC_ID_H264 },
|
||||
{ &DXVA2_ModeH264_E, AV_CODEC_ID_H264 },
|
||||
/* Intel specific H.264 mode */
|
||||
{ &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
|
||||
|
||||
/* VC-1 / WMV3 */
|
||||
{ &DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
|
||||
{ &DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
|
||||
{ &DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
|
||||
{ &DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
|
||||
|
||||
{ NULL, 0 },
|
||||
};
|
||||
|
||||
typedef struct surface_info {
|
||||
int used;
|
||||
uint64_t age;
|
||||
} surface_info;
|
||||
|
||||
typedef struct DXVA2Context {
|
||||
HMODULE d3dlib;
|
||||
HMODULE dxva2lib;
|
||||
|
||||
HANDLE deviceHandle;
|
||||
|
||||
IDirect3D9 *d3d9;
|
||||
IDirect3DDevice9 *d3d9device;
|
||||
IDirect3DDeviceManager9 *d3d9devmgr;
|
||||
IDirectXVideoDecoderService *decoder_service;
|
||||
IDirectXVideoDecoder *decoder;
|
||||
|
||||
GUID decoder_guid;
|
||||
DXVA2_ConfigPictureDecode decoder_config;
|
||||
|
||||
LPDIRECT3DSURFACE9 *surfaces;
|
||||
surface_info *surface_infos;
|
||||
uint32_t num_surfaces;
|
||||
uint64_t surface_age;
|
||||
|
||||
AVFrame *tmp_frame;
|
||||
} DXVA2Context;
|
||||
|
||||
typedef struct DXVA2SurfaceWrapper {
|
||||
DXVA2Context *ctx;
|
||||
LPDIRECT3DSURFACE9 surface;
|
||||
IDirectXVideoDecoder *decoder;
|
||||
} DXVA2SurfaceWrapper;
|
||||
|
||||
static void dxva2_destroy_decoder(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
|
||||
if (ctx->surfaces) {
|
||||
for (int i = 0; i < ctx->num_surfaces; i++) {
|
||||
if (ctx->surfaces[i])
|
||||
IDirect3DSurface9_Release(ctx->surfaces[i]);
|
||||
}
|
||||
}
|
||||
av_freep(&ctx->surfaces);
|
||||
av_freep(&ctx->surface_infos);
|
||||
ctx->num_surfaces = 0;
|
||||
ctx->surface_age = 0;
|
||||
|
||||
if (ctx->decoder) {
|
||||
IDirectXVideoDecoder_Release(ctx->decoder);
|
||||
ctx->decoder = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void dxva2_uninit(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
|
||||
ist->hwaccel_uninit = NULL;
|
||||
ist->hwaccel_get_buffer = NULL;
|
||||
ist->hwaccel_retrieve_data = NULL;
|
||||
|
||||
if (ctx->decoder)
|
||||
dxva2_destroy_decoder(s);
|
||||
|
||||
if (ctx->decoder_service)
|
||||
IDirectXVideoDecoderService_Release(ctx->decoder_service);
|
||||
|
||||
if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
|
||||
IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
|
||||
|
||||
if (ctx->d3d9devmgr)
|
||||
IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
|
||||
|
||||
if (ctx->d3d9device)
|
||||
IDirect3DDevice9_Release(ctx->d3d9device);
|
||||
|
||||
if (ctx->d3d9)
|
||||
IDirect3D9_Release(ctx->d3d9);
|
||||
|
||||
if (ctx->d3dlib)
|
||||
FreeLibrary(ctx->d3dlib);
|
||||
|
||||
if (ctx->dxva2lib)
|
||||
FreeLibrary(ctx->dxva2lib);
|
||||
|
||||
av_frame_free(&ctx->tmp_frame);
|
||||
|
||||
av_freep(&ist->hwaccel_ctx);
|
||||
av_freep(&s->hwaccel_context);
|
||||
}
|
||||
|
||||
static void dxva2_release_buffer(void *opaque, uint8_t *data)
|
||||
{
|
||||
DXVA2SurfaceWrapper *w = opaque;
|
||||
DXVA2Context *ctx = w->ctx;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ctx->num_surfaces; i++) {
|
||||
if (ctx->surfaces[i] == w->surface) {
|
||||
ctx->surface_infos[i].used = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
IDirect3DSurface9_Release(w->surface);
|
||||
IDirectXVideoDecoder_Release(w->decoder);
|
||||
av_free(w);
|
||||
}
|
||||
|
||||
static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
int i, old_unused = -1;
|
||||
LPDIRECT3DSURFACE9 surface;
|
||||
DXVA2SurfaceWrapper *w = NULL;
|
||||
|
||||
av_assert0(frame->format == AV_PIX_FMT_DXVA2_VLD);
|
||||
|
||||
for (i = 0; i < ctx->num_surfaces; i++) {
|
||||
surface_info *info = &ctx->surface_infos[i];
|
||||
if (!info->used && (old_unused == -1 || info->age < ctx->surface_infos[old_unused].age))
|
||||
old_unused = i;
|
||||
}
|
||||
if (old_unused == -1) {
|
||||
av_log(NULL, AV_LOG_ERROR, "No free DXVA2 surface!\n");
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
i = old_unused;
|
||||
|
||||
surface = ctx->surfaces[i];
|
||||
|
||||
w = av_mallocz(sizeof(*w));
|
||||
if (!w)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
frame->buf[0] = av_buffer_create((uint8_t*)surface, 0,
|
||||
dxva2_release_buffer, w,
|
||||
AV_BUFFER_FLAG_READONLY);
|
||||
if (!frame->buf[0]) {
|
||||
av_free(w);
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
|
||||
w->ctx = ctx;
|
||||
w->surface = surface;
|
||||
IDirect3DSurface9_AddRef(w->surface);
|
||||
w->decoder = ctx->decoder;
|
||||
IDirectXVideoDecoder_AddRef(w->decoder);
|
||||
|
||||
ctx->surface_infos[i].used = 1;
|
||||
ctx->surface_infos[i].age = ctx->surface_age++;
|
||||
|
||||
frame->data[3] = (uint8_t *)surface;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
|
||||
{
|
||||
LPDIRECT3DSURFACE9 surface = (LPDIRECT3DSURFACE9)frame->data[3];
|
||||
InputStream *ist = s->opaque;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
D3DSURFACE_DESC surfaceDesc;
|
||||
D3DLOCKED_RECT LockedRect;
|
||||
HRESULT hr;
|
||||
int ret;
|
||||
|
||||
IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
|
||||
|
||||
ctx->tmp_frame->width = frame->width;
|
||||
ctx->tmp_frame->height = frame->height;
|
||||
ctx->tmp_frame->format = AV_PIX_FMT_NV12;
|
||||
|
||||
ret = av_frame_get_buffer(ctx->tmp_frame, 32);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, D3DLOCK_READONLY);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
|
||||
av_image_copy_plane(ctx->tmp_frame->data[0], ctx->tmp_frame->linesize[0],
|
||||
(uint8_t*)LockedRect.pBits,
|
||||
LockedRect.Pitch, frame->width, frame->height);
|
||||
|
||||
av_image_copy_plane(ctx->tmp_frame->data[1], ctx->tmp_frame->linesize[1],
|
||||
(uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
|
||||
LockedRect.Pitch, frame->width, frame->height / 2);
|
||||
|
||||
IDirect3DSurface9_UnlockRect(surface);
|
||||
|
||||
ret = av_frame_copy_props(ctx->tmp_frame, frame);
|
||||
if (ret < 0)
|
||||
goto fail;
|
||||
|
||||
av_frame_unref(frame);
|
||||
av_frame_move_ref(frame, ctx->tmp_frame);
|
||||
|
||||
return 0;
|
||||
fail:
|
||||
av_frame_unref(ctx->tmp_frame);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int dxva2_alloc(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
|
||||
DXVA2Context *ctx;
|
||||
pDirect3DCreate9 *createD3D = NULL;
|
||||
pCreateDeviceManager9 *createDeviceManager = NULL;
|
||||
HRESULT hr;
|
||||
D3DPRESENT_PARAMETERS d3dpp = {0};
|
||||
D3DDISPLAYMODE d3ddm;
|
||||
unsigned resetToken = 0;
|
||||
UINT adapter = D3DADAPTER_DEFAULT;
|
||||
|
||||
ctx = av_mallocz(sizeof(*ctx));
|
||||
if (!ctx)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
ctx->deviceHandle = INVALID_HANDLE_VALUE;
|
||||
|
||||
ist->hwaccel_ctx = ctx;
|
||||
ist->hwaccel_uninit = dxva2_uninit;
|
||||
ist->hwaccel_get_buffer = dxva2_get_buffer;
|
||||
ist->hwaccel_retrieve_data = dxva2_retrieve_data;
|
||||
|
||||
ctx->d3dlib = LoadLibrary("d3d9.dll");
|
||||
if (!ctx->d3dlib) {
|
||||
av_log(NULL, loglevel, "Failed to load D3D9 library\n");
|
||||
goto fail;
|
||||
}
|
||||
ctx->dxva2lib = LoadLibrary("dxva2.dll");
|
||||
if (!ctx->dxva2lib) {
|
||||
av_log(NULL, loglevel, "Failed to load DXVA2 library\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
createD3D = (pDirect3DCreate9 *)GetProcAddress(ctx->d3dlib, "Direct3DCreate9");
|
||||
if (!createD3D) {
|
||||
av_log(NULL, loglevel, "Failed to locate Direct3DCreate9\n");
|
||||
goto fail;
|
||||
}
|
||||
createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(ctx->dxva2lib, "DXVA2CreateDirect3DDeviceManager9");
|
||||
if (!createDeviceManager) {
|
||||
av_log(NULL, loglevel, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ctx->d3d9 = createD3D(D3D_SDK_VERSION);
|
||||
if (!ctx->d3d9) {
|
||||
av_log(NULL, loglevel, "Failed to create IDirect3D object\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (ist->hwaccel_device) {
|
||||
adapter = atoi(ist->hwaccel_device);
|
||||
av_log(NULL, AV_LOG_INFO, "Using HWAccel device %d\n", adapter);
|
||||
}
|
||||
|
||||
IDirect3D9_GetAdapterDisplayMode(ctx->d3d9, adapter, &d3ddm);
|
||||
d3dpp.Windowed = TRUE;
|
||||
d3dpp.BackBufferWidth = 640;
|
||||
d3dpp.BackBufferHeight = 480;
|
||||
d3dpp.BackBufferCount = 0;
|
||||
d3dpp.BackBufferFormat = d3ddm.Format;
|
||||
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
|
||||
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
|
||||
|
||||
hr = IDirect3D9_CreateDevice(ctx->d3d9, adapter, D3DDEVTYPE_HAL, GetShellWindow(),
|
||||
D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
|
||||
&d3dpp, &ctx->d3d9device);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to create Direct3D device\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = createDeviceManager(&resetToken, &ctx->d3d9devmgr);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to create Direct3D device manager\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = IDirect3DDeviceManager9_ResetDevice(ctx->d3d9devmgr, ctx->d3d9device, resetToken);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to bind Direct3D device to device manager\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = IDirect3DDeviceManager9_OpenDeviceHandle(ctx->d3d9devmgr, &ctx->deviceHandle);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to open device handle\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = IDirect3DDeviceManager9_GetVideoService(ctx->d3d9devmgr, ctx->deviceHandle, &IID_IDirectXVideoDecoderService, (void **)&ctx->decoder_service);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ctx->tmp_frame = av_frame_alloc();
|
||||
if (!ctx->tmp_frame)
|
||||
goto fail;
|
||||
|
||||
s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
|
||||
if (!s->hwaccel_context)
|
||||
goto fail;
|
||||
|
||||
return 0;
|
||||
fail:
|
||||
dxva2_uninit(s);
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
|
||||
const DXVA2_VideoDesc *desc,
|
||||
DXVA2_ConfigPictureDecode *config)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
unsigned cfg_count = 0, best_score = 0;
|
||||
DXVA2_ConfigPictureDecode *cfg_list = NULL;
|
||||
DXVA2_ConfigPictureDecode best_cfg = {{0}};
|
||||
HRESULT hr;
|
||||
int i;
|
||||
|
||||
hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
for (i = 0; i < cfg_count; i++) {
|
||||
DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
|
||||
|
||||
unsigned score;
|
||||
if (cfg->ConfigBitstreamRaw == 1)
|
||||
score = 1;
|
||||
else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
|
||||
score = 2;
|
||||
else
|
||||
continue;
|
||||
if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
|
||||
score += 16;
|
||||
if (score > best_score) {
|
||||
best_score = score;
|
||||
best_cfg = *cfg;
|
||||
}
|
||||
}
|
||||
CoTaskMemFree(cfg_list);
|
||||
|
||||
if (!best_score) {
|
||||
av_log(NULL, loglevel, "No valid decoder configuration available\n");
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
*config = best_cfg;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int dxva2_create_decoder(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
|
||||
DXVA2Context *ctx = ist->hwaccel_ctx;
|
||||
struct dxva_context *dxva_ctx = s->hwaccel_context;
|
||||
GUID *guid_list = NULL;
|
||||
unsigned guid_count = 0, i, j;
|
||||
GUID device_guid = GUID_NULL;
|
||||
D3DFORMAT target_format = 0;
|
||||
DXVA2_VideoDesc desc = { 0 };
|
||||
DXVA2_ConfigPictureDecode config;
|
||||
HRESULT hr;
|
||||
int surface_alignment;
|
||||
int ret;
|
||||
|
||||
hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
for (i = 0; dxva2_modes[i].guid; i++) {
|
||||
D3DFORMAT *target_list = NULL;
|
||||
unsigned target_count = 0;
|
||||
const dxva2_mode *mode = &dxva2_modes[i];
|
||||
if (mode->codec != s->codec_id)
|
||||
continue;
|
||||
|
||||
for (j = 0; j < guid_count; j++) {
|
||||
if (IsEqualGUID(mode->guid, &guid_list[j]))
|
||||
break;
|
||||
}
|
||||
if (j == guid_count)
|
||||
continue;
|
||||
|
||||
hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
|
||||
if (FAILED(hr)) {
|
||||
continue;
|
||||
}
|
||||
for (j = 0; j < target_count; j++) {
|
||||
const D3DFORMAT format = target_list[j];
|
||||
if (format == MKTAG('N','V','1','2')) {
|
||||
target_format = format;
|
||||
break;
|
||||
}
|
||||
}
|
||||
CoTaskMemFree(target_list);
|
||||
if (target_format) {
|
||||
device_guid = *mode->guid;
|
||||
break;
|
||||
}
|
||||
}
|
||||
CoTaskMemFree(guid_list);
|
||||
|
||||
if (IsEqualGUID(&device_guid, &GUID_NULL)) {
|
||||
av_log(NULL, loglevel, "No decoder device for codec found\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
desc.SampleWidth = s->coded_width;
|
||||
desc.SampleHeight = s->coded_height;
|
||||
desc.Format = target_format;
|
||||
|
||||
ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
|
||||
if (ret < 0) {
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* decoding MPEG-2 requires additional alignment on some Intel GPUs,
|
||||
but it causes issues for H.264 on certain AMD GPUs..... */
|
||||
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
|
||||
surface_alignment = 32;
|
||||
else
|
||||
surface_alignment = 16;
|
||||
|
||||
/* 4 base work surfaces */
|
||||
ctx->num_surfaces = 4;
|
||||
|
||||
/* add surfaces based on number of possible refs */
|
||||
if (s->codec_id == AV_CODEC_ID_H264)
|
||||
ctx->num_surfaces += 16;
|
||||
else
|
||||
ctx->num_surfaces += 2;
|
||||
|
||||
/* add extra surfaces for frame threading */
|
||||
if (s->active_thread_type & FF_THREAD_FRAME)
|
||||
ctx->num_surfaces += s->thread_count;
|
||||
|
||||
ctx->surfaces = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surfaces));
|
||||
ctx->surface_infos = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surface_infos));
|
||||
|
||||
if (!ctx->surfaces || !ctx->surface_infos) {
|
||||
av_log(NULL, loglevel, "Unable to allocate surface arrays\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = IDirectXVideoDecoderService_CreateSurface(ctx->decoder_service,
|
||||
FFALIGN(s->coded_width, surface_alignment),
|
||||
FFALIGN(s->coded_height, surface_alignment),
|
||||
ctx->num_surfaces - 1,
|
||||
target_format, D3DPOOL_DEFAULT, 0,
|
||||
DXVA2_VideoDecoderRenderTarget,
|
||||
ctx->surfaces, NULL);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to create %d video surfaces\n", ctx->num_surfaces);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
|
||||
&desc, &config, ctx->surfaces,
|
||||
ctx->num_surfaces, &ctx->decoder);
|
||||
if (FAILED(hr)) {
|
||||
av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ctx->decoder_guid = device_guid;
|
||||
ctx->decoder_config = config;
|
||||
|
||||
dxva_ctx->cfg = &ctx->decoder_config;
|
||||
dxva_ctx->decoder = ctx->decoder;
|
||||
dxva_ctx->surface = ctx->surfaces;
|
||||
dxva_ctx->surface_count = ctx->num_surfaces;
|
||||
|
||||
if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
|
||||
dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
|
||||
|
||||
return 0;
|
||||
fail:
|
||||
dxva2_destroy_decoder(s);
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
int dxva2_init(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
|
||||
DXVA2Context *ctx;
|
||||
int ret;
|
||||
|
||||
if (!ist->hwaccel_ctx) {
|
||||
ret = dxva2_alloc(s);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
ctx = ist->hwaccel_ctx;
|
||||
|
||||
if (s->codec_id == AV_CODEC_ID_H264 &&
|
||||
(s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
|
||||
av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
if (ctx->decoder)
|
||||
dxva2_destroy_decoder(s);
|
||||
|
||||
ret = dxva2_create_decoder(s);
|
||||
if (ret < 0) {
|
||||
av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -56,6 +56,9 @@
|
||||
const HWAccel hwaccels[] = {
|
||||
#if HAVE_VDPAU_X11
|
||||
{ "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
|
||||
#endif
|
||||
#if CONFIG_DXVA2
|
||||
{ "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
|
||||
#endif
|
||||
{ 0 },
|
||||
};
|
||||
|
||||
3
configure
vendored
3
configure
vendored
@ -4146,6 +4146,9 @@ enabled vdpau && enabled xlib &&
|
||||
prepend avconv_libs $($ldflags_filter "-lvdpau") &&
|
||||
enable vdpau_x11
|
||||
|
||||
enabled dxva2 &&
|
||||
prepend avconv_libs $($ldflags_filter "-lole32")
|
||||
|
||||
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
|
||||
|
||||
# add some useful compiler flags if supported
|
||||
|
||||
@ -582,6 +582,9 @@ Automatically select the hardware acceleration method.
|
||||
|
||||
@item vdpau
|
||||
Use VDPAU (Video Decode and Presentation API for Unix) hardware acceleration.
|
||||
|
||||
@item dxva2
|
||||
Use DXVA2 (DirectX Video Acceleration) hardware acceleration.
|
||||
@end table
|
||||
|
||||
This option has no effect if the selected hwaccel is not available or not
|
||||
@ -604,6 +607,10 @@ method chosen.
|
||||
@item vdpau
|
||||
For VDPAU, this option specifies the X11 display/screen to use. If this option
|
||||
is not specified, the value of the @var{DISPLAY} environment variable is used
|
||||
|
||||
@item dxva2
|
||||
For DXVA2, this option should contain the number of the display adapter to use.
|
||||
If this option is not specified, the default adapter is used.
|
||||
@end table
|
||||
@end table
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user