mirror of
https://git.ffmpeg.org/ffmpeg.git
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85da4f9258
* commit '18c506e9e6e8df8b1d496d093077b8240ea68c28': avconv_dxva2: use the hwcontext device creation API Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
445 lines
15 KiB
C
445 lines
15 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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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_dxva2.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_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13);
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DEFINE_GUID(DXVA2_ModeVP9_VLD_Profile0, 0x463707f8, 0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e);
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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 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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{ &DXVA2_ModeHEVC_VLD_Main10,AV_CODEC_ID_HEVC },
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/* VP8/9 */
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{ &DXVA2_ModeVP9_VLD_Profile0, AV_CODEC_ID_VP9 },
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{ NULL, 0 },
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};
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typedef struct DXVA2Context {
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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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IDirectXVideoDecoderService *decoder_service;
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AVFrame *tmp_frame;
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AVBufferRef *hw_device_ctx;
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AVBufferRef *hw_frames_ctx;
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} DXVA2Context;
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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_service)
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IDirectXVideoDecoderService_Release(ctx->decoder_service);
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av_buffer_unref(&ctx->hw_frames_ctx);
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av_buffer_unref(&ctx->hw_device_ctx);
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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 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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return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 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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InputStream *ist = s->opaque;
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DXVA2Context *ctx = ist->hwaccel_ctx;
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int ret;
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ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
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if (ret < 0)
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return ret;
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ret = av_frame_copy_props(ctx->tmp_frame, frame);
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if (ret < 0) {
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av_frame_unref(ctx->tmp_frame);
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return ret;
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}
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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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}
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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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HANDLE device_handle;
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HRESULT hr;
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AVHWDeviceContext *device_ctx;
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AVDXVA2DeviceContext *device_hwctx;
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int ret;
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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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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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ret = av_hwdevice_ctx_create(&ctx->hw_device_ctx, AV_HWDEVICE_TYPE_DXVA2,
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ist->hwaccel_device, NULL, 0);
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if (ret < 0)
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goto fail;
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device_ctx = (AVHWDeviceContext*)ctx->hw_device_ctx->data;
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device_hwctx = device_ctx->hwctx;
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hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
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&device_handle);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to open a device handle\n");
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goto fail;
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}
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hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
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&IID_IDirectXVideoDecoderService,
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(void **)&ctx->decoder_service);
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IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
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goto fail;
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}
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ctx->tmp_frame = av_frame_alloc();
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if (!ctx->tmp_frame)
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goto fail;
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s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
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if (!s->hwaccel_context)
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goto fail;
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return 0;
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fail:
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dxva2_uninit(s);
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return AVERROR(EINVAL);
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}
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static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
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const DXVA2_VideoDesc *desc,
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DXVA2_ConfigPictureDecode *config)
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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 = ist->hwaccel_ctx;
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unsigned cfg_count = 0, best_score = 0;
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DXVA2_ConfigPictureDecode *cfg_list = NULL;
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DXVA2_ConfigPictureDecode best_cfg = {{0}};
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HRESULT hr;
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int i;
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hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
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return AVERROR(EINVAL);
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}
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for (i = 0; i < cfg_count; i++) {
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DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
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unsigned score;
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if (cfg->ConfigBitstreamRaw == 1)
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score = 1;
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else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
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score = 2;
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else
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continue;
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if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
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score += 16;
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if (score > best_score) {
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best_score = score;
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best_cfg = *cfg;
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}
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}
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CoTaskMemFree(cfg_list);
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if (!best_score) {
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av_log(NULL, loglevel, "No valid decoder configuration available\n");
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return AVERROR(EINVAL);
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}
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*config = best_cfg;
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return 0;
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}
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static int dxva2_create_decoder(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 = ist->hwaccel_ctx;
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struct dxva_context *dxva_ctx = s->hwaccel_context;
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GUID *guid_list = NULL;
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unsigned guid_count = 0, i, j;
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GUID device_guid = GUID_NULL;
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const D3DFORMAT surface_format = (s->sw_pix_fmt == AV_PIX_FMT_YUV420P10) ? MKTAG('P','0','1','0') : MKTAG('N','V','1','2');
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D3DFORMAT target_format = 0;
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DXVA2_VideoDesc desc = { 0 };
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DXVA2_ConfigPictureDecode config;
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HRESULT hr;
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int surface_alignment, num_surfaces;
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int ret;
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AVDXVA2FramesContext *frames_hwctx;
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AVHWFramesContext *frames_ctx;
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hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
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goto fail;
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}
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for (i = 0; dxva2_modes[i].guid; i++) {
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D3DFORMAT *target_list = NULL;
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unsigned target_count = 0;
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const dxva2_mode *mode = &dxva2_modes[i];
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if (mode->codec != s->codec_id)
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continue;
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for (j = 0; j < guid_count; j++) {
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if (IsEqualGUID(mode->guid, &guid_list[j]))
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break;
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}
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if (j == guid_count)
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continue;
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hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
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if (FAILED(hr)) {
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continue;
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}
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for (j = 0; j < target_count; j++) {
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const D3DFORMAT format = target_list[j];
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if (format == surface_format) {
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target_format = format;
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break;
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}
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}
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CoTaskMemFree(target_list);
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if (target_format) {
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device_guid = *mode->guid;
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break;
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}
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}
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CoTaskMemFree(guid_list);
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if (IsEqualGUID(&device_guid, &GUID_NULL)) {
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av_log(NULL, loglevel, "No decoder device for codec found\n");
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goto fail;
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}
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desc.SampleWidth = s->coded_width;
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desc.SampleHeight = s->coded_height;
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desc.Format = target_format;
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ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
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if (ret < 0) {
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goto fail;
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}
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/* decoding MPEG-2 requires additional alignment on some Intel GPUs,
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but it causes issues for H.264 on certain AMD GPUs..... */
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if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
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surface_alignment = 32;
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/* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
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all coding features have enough room to work with */
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else if (s->codec_id == AV_CODEC_ID_HEVC)
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surface_alignment = 128;
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else
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surface_alignment = 16;
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/* 4 base work surfaces */
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num_surfaces = 4;
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/* add surfaces based on number of possible refs */
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if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
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num_surfaces += 16;
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else if (s->codec_id == AV_CODEC_ID_VP9)
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num_surfaces += 8;
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else
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num_surfaces += 2;
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/* add extra surfaces for frame threading */
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if (s->active_thread_type & FF_THREAD_FRAME)
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num_surfaces += s->thread_count;
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ctx->hw_frames_ctx = av_hwframe_ctx_alloc(ctx->hw_device_ctx);
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if (!ctx->hw_frames_ctx)
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goto fail;
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frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
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frames_hwctx = frames_ctx->hwctx;
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frames_ctx->format = AV_PIX_FMT_DXVA2_VLD;
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frames_ctx->sw_format = (target_format == MKTAG('P','0','1','0') ? AV_PIX_FMT_P010 : AV_PIX_FMT_NV12);
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frames_ctx->width = FFALIGN(s->coded_width, surface_alignment);
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frames_ctx->height = FFALIGN(s->coded_height, surface_alignment);
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frames_ctx->initial_pool_size = num_surfaces;
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frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
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ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
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if (ret < 0) {
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av_log(NULL, loglevel, "Failed to initialize the HW frames context\n");
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goto fail;
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}
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hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
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&desc, &config, frames_hwctx->surfaces,
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frames_hwctx->nb_surfaces, &frames_hwctx->decoder_to_release);
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if (FAILED(hr)) {
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av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
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goto fail;
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}
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ctx->decoder_guid = device_guid;
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ctx->decoder_config = config;
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dxva_ctx->cfg = &ctx->decoder_config;
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dxva_ctx->decoder = frames_hwctx->decoder_to_release;
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dxva_ctx->surface = frames_hwctx->surfaces;
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dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
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if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
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dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
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return 0;
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fail:
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av_buffer_unref(&ctx->hw_frames_ctx);
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return AVERROR(EINVAL);
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}
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int dxva2_init(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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int ret;
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if (!ist->hwaccel_ctx) {
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ret = dxva2_alloc(s);
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if (ret < 0)
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return ret;
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}
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ctx = ist->hwaccel_ctx;
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if (s->codec_id == AV_CODEC_ID_H264 &&
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(s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
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av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
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return AVERROR(EINVAL);
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}
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if (s->codec_id == AV_CODEC_ID_HEVC &&
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s->profile != FF_PROFILE_HEVC_MAIN && s->profile != FF_PROFILE_HEVC_MAIN_10) {
|
|
av_log(NULL, loglevel, "Unsupported HEVC profile for DXVA2 HWAccel: %d\n", s->profile);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
av_buffer_unref(&ctx->hw_frames_ctx);
|
|
|
|
ret = dxva2_create_decoder(s);
|
|
if (ret < 0) {
|
|
av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|