629 lines
20 KiB
C
629 lines
20 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <windows.h>
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#ifdef _WIN32_WINNT
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#undef _WIN32_WINNT
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#endif
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#define _WIN32_WINNT 0x0600
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#define DXVA2API_USE_BITFIELDS
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#define COBJMACROS
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#include <stdint.h>
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#include <d3d9.h>
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#include <dxva2api.h>
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#include "ffmpeg.h"
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#include "libavcodec/dxva2.h"
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#include "libavutil/avassert.h"
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#include "libavutil/buffer.h"
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#include "libavutil/frame.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/pixfmt.h"
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/* define all the GUIDs used directly here,
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to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
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#include <initguid.h>
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DEFINE_GUID(IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
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DEFINE_GUID(DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
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DEFINE_GUID(DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
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DEFINE_GUID(DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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DEFINE_GUID(DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
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DEFINE_GUID(DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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DEFINE_GUID(DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
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DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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DEFINE_GUID(GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
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typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
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typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
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typedef struct dxva2_mode {
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const GUID *guid;
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enum AVCodecID codec;
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} dxva2_mode;
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static const dxva2_mode dxva2_modes[] = {
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/* MPEG-2 */
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{ &DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO },
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{ &DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO },
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/* H.264 */
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{ &DXVA2_ModeH264_F, AV_CODEC_ID_H264 },
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{ &DXVA2_ModeH264_E, AV_CODEC_ID_H264 },
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/* Intel specific H.264 mode */
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{ &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
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/* VC-1 / WMV3 */
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{ &DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
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{ &DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
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{ &DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
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{ &DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
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/* HEVC/H.265 */
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{ &DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC },
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{ NULL, 0 },
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};
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typedef struct surface_info {
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int used;
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uint64_t age;
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} surface_info;
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typedef struct DXVA2Context {
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HMODULE d3dlib;
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HMODULE dxva2lib;
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HANDLE deviceHandle;
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IDirect3D9 *d3d9;
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IDirect3DDevice9 *d3d9device;
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IDirect3DDeviceManager9 *d3d9devmgr;
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IDirectXVideoDecoderService *decoder_service;
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IDirectXVideoDecoder *decoder;
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GUID decoder_guid;
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DXVA2_ConfigPictureDecode decoder_config;
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LPDIRECT3DSURFACE9 *surfaces;
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surface_info *surface_infos;
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uint32_t num_surfaces;
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uint64_t surface_age;
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AVFrame *tmp_frame;
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} DXVA2Context;
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typedef struct DXVA2SurfaceWrapper {
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DXVA2Context *ctx;
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LPDIRECT3DSURFACE9 surface;
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IDirectXVideoDecoder *decoder;
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} DXVA2SurfaceWrapper;
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static void dxva2_destroy_decoder(AVCodecContext *s)
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{
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InputStream *ist = s->opaque;
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DXVA2Context *ctx = ist->hwaccel_ctx;
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int i;
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if (ctx->surfaces) {
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for (i = 0; i < ctx->num_surfaces; i++) {
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if (ctx->surfaces[i])
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IDirect3DSurface9_Release(ctx->surfaces[i]);
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}
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}
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av_freep(&ctx->surfaces);
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av_freep(&ctx->surface_infos);
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ctx->num_surfaces = 0;
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ctx->surface_age = 0;
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if (ctx->decoder) {
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IDirectXVideoDecoder_Release(ctx->decoder);
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ctx->decoder = NULL;
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}
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}
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static void dxva2_uninit(AVCodecContext *s)
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{
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InputStream *ist = s->opaque;
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DXVA2Context *ctx = ist->hwaccel_ctx;
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ist->hwaccel_uninit = NULL;
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ist->hwaccel_get_buffer = NULL;
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ist->hwaccel_retrieve_data = NULL;
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if (ctx->decoder)
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dxva2_destroy_decoder(s);
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if (ctx->decoder_service)
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IDirectXVideoDecoderService_Release(ctx->decoder_service);
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if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
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IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
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if (ctx->d3d9devmgr)
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IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
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if (ctx->d3d9device)
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IDirect3DDevice9_Release(ctx->d3d9device);
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if (ctx->d3d9)
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IDirect3D9_Release(ctx->d3d9);
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if (ctx->d3dlib)
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FreeLibrary(ctx->d3dlib);
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if (ctx->dxva2lib)
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FreeLibrary(ctx->dxva2lib);
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av_frame_free(&ctx->tmp_frame);
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av_freep(&ist->hwaccel_ctx);
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av_freep(&s->hwaccel_context);
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}
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static void dxva2_release_buffer(void *opaque, uint8_t *data)
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{
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DXVA2SurfaceWrapper *w = opaque;
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DXVA2Context *ctx = w->ctx;
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int i;
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for (i = 0; i < ctx->num_surfaces; i++) {
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if (ctx->surfaces[i] == w->surface) {
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ctx->surface_infos[i].used = 0;
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break;
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}
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}
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IDirect3DSurface9_Release(w->surface);
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IDirectXVideoDecoder_Release(w->decoder);
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av_free(w);
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}
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static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
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{
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InputStream *ist = s->opaque;
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DXVA2Context *ctx = ist->hwaccel_ctx;
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int i, old_unused = -1;
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LPDIRECT3DSURFACE9 surface;
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DXVA2SurfaceWrapper *w = NULL;
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av_assert0(frame->format == AV_PIX_FMT_DXVA2_VLD);
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for (i = 0; i < ctx->num_surfaces; i++) {
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surface_info *info = &ctx->surface_infos[i];
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if (!info->used && (old_unused == -1 || info->age < ctx->surface_infos[old_unused].age))
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old_unused = i;
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}
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if (old_unused == -1) {
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av_log(NULL, AV_LOG_ERROR, "No free DXVA2 surface!\n");
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return AVERROR(ENOMEM);
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}
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i = old_unused;
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surface = ctx->surfaces[i];
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w = av_mallocz(sizeof(*w));
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if (!w)
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return AVERROR(ENOMEM);
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frame->buf[0] = av_buffer_create((uint8_t*)surface, 0,
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dxva2_release_buffer, w,
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AV_BUFFER_FLAG_READONLY);
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if (!frame->buf[0]) {
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av_free(w);
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return AVERROR(ENOMEM);
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}
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w->ctx = ctx;
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w->surface = surface;
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IDirect3DSurface9_AddRef(w->surface);
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w->decoder = ctx->decoder;
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IDirectXVideoDecoder_AddRef(w->decoder);
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ctx->surface_infos[i].used = 1;
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ctx->surface_infos[i].age = ctx->surface_age++;
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frame->data[3] = (uint8_t *)surface;
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return 0;
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}
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static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
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{
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LPDIRECT3DSURFACE9 surface = (LPDIRECT3DSURFACE9)frame->data[3];
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InputStream *ist = s->opaque;
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DXVA2Context *ctx = ist->hwaccel_ctx;
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D3DSURFACE_DESC surfaceDesc;
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D3DLOCKED_RECT LockedRect;
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HRESULT hr;
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int ret;
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IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
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ctx->tmp_frame->width = frame->width;
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ctx->tmp_frame->height = frame->height;
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ctx->tmp_frame->format = AV_PIX_FMT_NV12;
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ret = av_frame_get_buffer(ctx->tmp_frame, 32);
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if (ret < 0)
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return ret;
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hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, D3DLOCK_READONLY);
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if (FAILED(hr)) {
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av_log(NULL, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
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return AVERROR_UNKNOWN;
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}
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av_image_copy_plane(ctx->tmp_frame->data[0], ctx->tmp_frame->linesize[0],
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(uint8_t*)LockedRect.pBits,
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LockedRect.Pitch, frame->width, frame->height);
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av_image_copy_plane(ctx->tmp_frame->data[1], ctx->tmp_frame->linesize[1],
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(uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
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LockedRect.Pitch, frame->width, frame->height / 2);
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IDirect3DSurface9_UnlockRect(surface);
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ret = av_frame_copy_props(ctx->tmp_frame, frame);
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if (ret < 0)
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goto fail;
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av_frame_unref(frame);
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av_frame_move_ref(frame, ctx->tmp_frame);
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return 0;
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fail:
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av_frame_unref(ctx->tmp_frame);
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return ret;
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}
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static int dxva2_alloc(AVCodecContext *s)
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{
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InputStream *ist = s->opaque;
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int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
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DXVA2Context *ctx;
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pDirect3DCreate9 *createD3D = NULL;
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pCreateDeviceManager9 *createDeviceManager = NULL;
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HRESULT hr;
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D3DPRESENT_PARAMETERS d3dpp = {0};
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D3DDISPLAYMODE d3ddm;
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unsigned resetToken = 0;
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UINT adapter = D3DADAPTER_DEFAULT;
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ctx = av_mallocz(sizeof(*ctx));
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if (!ctx)
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return AVERROR(ENOMEM);
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ctx->deviceHandle = INVALID_HANDLE_VALUE;
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ist->hwaccel_ctx = ctx;
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ist->hwaccel_uninit = dxva2_uninit;
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ist->hwaccel_get_buffer = dxva2_get_buffer;
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ist->hwaccel_retrieve_data = dxva2_retrieve_data;
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ctx->d3dlib = LoadLibrary("d3d9.dll");
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if (!ctx->d3dlib) {
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av_log(NULL, loglevel, "Failed to load D3D9 library\n");
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goto fail;
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}
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ctx->dxva2lib = LoadLibrary("dxva2.dll");
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if (!ctx->dxva2lib) {
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av_log(NULL, loglevel, "Failed to load DXVA2 library\n");
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goto fail;
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}
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createD3D = (pDirect3DCreate9 *)GetProcAddress(ctx->d3dlib, "Direct3DCreate9");
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if (!createD3D) {
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av_log(NULL, loglevel, "Failed to locate Direct3DCreate9\n");
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goto fail;
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}
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createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(ctx->dxva2lib, "DXVA2CreateDirect3DDeviceManager9");
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if (!createDeviceManager) {
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av_log(NULL, loglevel, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
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goto fail;
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}
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ctx->d3d9 = createD3D(D3D_SDK_VERSION);
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if (!ctx->d3d9) {
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av_log(NULL, loglevel, "Failed to create IDirect3D object\n");
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goto fail;
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}
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if (ist->hwaccel_device) {
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adapter = atoi(ist->hwaccel_device);
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av_log(NULL, AV_LOG_INFO, "Using HWAccel device %d\n", adapter);
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}
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IDirect3D9_GetAdapterDisplayMode(ctx->d3d9, adapter, &d3ddm);
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d3dpp.Windowed = TRUE;
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d3dpp.BackBufferWidth = 640;
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d3dpp.BackBufferHeight = 480;
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d3dpp.BackBufferCount = 0;
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d3dpp.BackBufferFormat = d3ddm.Format;
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d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
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d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
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|
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hr = IDirect3D9_CreateDevice(ctx->d3d9, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
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D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
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&d3dpp, &ctx->d3d9device);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to create Direct3D device\n");
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goto fail;
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}
|
|
|
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hr = createDeviceManager(&resetToken, &ctx->d3d9devmgr);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to create Direct3D device manager\n");
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goto fail;
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}
|
|
|
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hr = IDirect3DDeviceManager9_ResetDevice(ctx->d3d9devmgr, ctx->d3d9device, resetToken);
|
|
if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to bind Direct3D device to device manager\n");
|
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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;
|
|
/* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
|
|
all coding features have enough room to work with */
|
|
else if (s->codec_id == AV_CODEC_ID_HEVC)
|
|
surface_alignment = 128;
|
|
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 || s->codec_id == AV_CODEC_ID_HEVC)
|
|
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;
|
|
}
|