| /* |
| * DXVA2 HW acceleration. |
| * |
| * copyright (c) 2010 Laurent Aimar |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <initguid.h> |
| |
| #include "libavutil/common.h" |
| #include "libavutil/log.h" |
| #include "libavutil/time.h" |
| |
| #include "avcodec.h" |
| #include "decode.h" |
| #include "dxva2_internal.h" |
| |
| /* define all the GUIDs used directly here, |
| to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */ |
| DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9); |
| DEFINE_GUID(ff_DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60); |
| DEFINE_GUID(ff_DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
| DEFINE_GUID(ff_DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
| DEFINE_GUID(ff_DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6); |
| DEFINE_GUID(ff_DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
| DEFINE_GUID(ff_DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
| DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0); |
| DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13); |
| DEFINE_GUID(ff_DXVA2_ModeVP9_VLD_Profile0,0x463707f8,0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e); |
| DEFINE_GUID(ff_DXVA2_ModeVP9_VLD_10bit_Profile2,0xa4c749ef,0x6ecf,0x48aa,0x84,0x48,0x50,0xa7,0xa1,0x16,0x5f,0xf7); |
| DEFINE_GUID(ff_DXVA2_ModeAV1_VLD_Profile0,0xb8be4ccb,0xcf53,0x46ba,0x8d,0x59,0xd6,0xb8,0xa6,0xda,0x5d,0x2a); |
| DEFINE_GUID(ff_DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5); |
| DEFINE_GUID(ff_GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00); |
| DEFINE_GUID(ff_IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02); |
| |
| typedef struct dxva_mode { |
| const GUID *guid; |
| enum AVCodecID codec; |
| // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry. |
| // If NULL, don't check profile. |
| const int *profiles; |
| } dxva_mode; |
| |
| static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE, |
| FF_PROFILE_MPEG2_MAIN, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE, |
| FF_PROFILE_H264_MAIN, |
| FF_PROFILE_H264_HIGH, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_vp9_profile0[] = {FF_PROFILE_VP9_0, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_vp9_profile2[] = {FF_PROFILE_VP9_2, |
| FF_PROFILE_UNKNOWN}; |
| static const int prof_av1_profile0[] = {FF_PROFILE_AV1_MAIN, |
| FF_PROFILE_UNKNOWN}; |
| |
| static const dxva_mode dxva_modes[] = { |
| /* MPEG-2 */ |
| { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main }, |
| { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main }, |
| |
| /* H.264 */ |
| { &ff_DXVA2_ModeH264_F, AV_CODEC_ID_H264, prof_h264_high }, |
| { &ff_DXVA2_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high }, |
| /* Intel specific H.264 mode */ |
| { &ff_DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high }, |
| |
| /* VC-1 / WMV3 */ |
| { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 }, |
| { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 }, |
| { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 }, |
| { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 }, |
| |
| /* HEVC/H.265 */ |
| { &ff_DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC, prof_hevc_main10 }, |
| { &ff_DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC, prof_hevc_main }, |
| |
| /* VP8/9 */ |
| { &ff_DXVA2_ModeVP9_VLD_Profile0, AV_CODEC_ID_VP9, prof_vp9_profile0 }, |
| { &ff_DXVA2_ModeVP9_VLD_10bit_Profile2, AV_CODEC_ID_VP9, prof_vp9_profile2 }, |
| |
| /* AV1 */ |
| { &ff_DXVA2_ModeAV1_VLD_Profile0, AV_CODEC_ID_AV1, prof_av1_profile0 }, |
| |
| { NULL, 0 }, |
| }; |
| |
| static int dxva_get_decoder_configuration(AVCodecContext *avctx, |
| const void *cfg_list, |
| unsigned cfg_count) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| unsigned i, best_score = 0; |
| int best_cfg = -1; |
| |
| for (i = 0; i < cfg_count; i++) { |
| unsigned score; |
| UINT ConfigBitstreamRaw; |
| GUID guidConfigBitstreamEncryption; |
| |
| #if CONFIG_D3D11VA |
| if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
| D3D11_VIDEO_DECODER_CONFIG *cfg = &((D3D11_VIDEO_DECODER_CONFIG *)cfg_list)[i]; |
| ConfigBitstreamRaw = cfg->ConfigBitstreamRaw; |
| guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| DXVA2_ConfigPictureDecode *cfg = &((DXVA2_ConfigPictureDecode *)cfg_list)[i]; |
| ConfigBitstreamRaw = cfg->ConfigBitstreamRaw; |
| guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption; |
| } |
| #endif |
| |
| if (ConfigBitstreamRaw == 1) |
| score = 1; |
| else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2) |
| score = 2; |
| else |
| continue; |
| if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt)) |
| score += 16; |
| if (score > best_score) { |
| best_score = score; |
| best_cfg = i; |
| } |
| } |
| |
| if (!best_score) { |
| av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| return best_cfg; |
| } |
| |
| #if CONFIG_D3D11VA |
| static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format) |
| { |
| HRESULT hr; |
| BOOL is_supported = FALSE; |
| hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service, |
| &guid, |
| *(DXGI_FORMAT *)surface_format, |
| &is_supported); |
| return SUCCEEDED(hr) && is_supported; |
| } |
| #endif |
| |
| #if CONFIG_DXVA2 |
| static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format) |
| { |
| HRESULT hr; |
| int ret = 0; |
| unsigned j, target_count; |
| D3DFORMAT *target_list; |
| hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list); |
| if (SUCCEEDED(hr)) { |
| for (j = 0; j < target_count; j++) { |
| const D3DFORMAT format = target_list[j]; |
| if (format == *(D3DFORMAT *)surface_format) { |
| ret = 1; |
| break; |
| } |
| } |
| CoTaskMemFree(target_list); |
| } |
| return ret; |
| } |
| #endif |
| |
| static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode) |
| { |
| if (mode->codec != avctx->codec_id) |
| return 0; |
| |
| if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) { |
| int i, found = 0; |
| for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) { |
| if (avctx->profile == mode->profiles[i]) { |
| found = 1; |
| break; |
| } |
| } |
| if (!found) |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static void dxva_list_guids_debug(AVCodecContext *avctx, void *service, |
| unsigned guid_count, const GUID *guid_list) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| int i; |
| |
| av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n"); |
| |
| for (i = 0; i < guid_count; i++) { |
| const GUID *guid = &guid_list[i]; |
| |
| av_log(avctx, AV_LOG_VERBOSE, |
| "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}", |
| (unsigned) guid->Data1, guid->Data2, guid->Data3, |
| guid->Data4[0], guid->Data4[1], |
| guid->Data4[2], guid->Data4[3], |
| guid->Data4[4], guid->Data4[5], |
| guid->Data4[6], guid->Data4[7]); |
| |
| #if CONFIG_D3D11VA |
| if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
| DXGI_FORMAT format; |
| // We don't know the maximum valid DXGI_FORMAT, so use 200 as |
| // arbitrary upper bound (that could become outdated). |
| for (format = 0; format < 200; format++) { |
| if (d3d11va_validate_output(service, *guid, &format)) |
| av_log(avctx, AV_LOG_VERBOSE, " %d", (int)format); |
| } |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| const D3DFORMAT formats[] = {MKTAG('N', 'V', '1', '2'), |
| MKTAG('P', '0', '1', '0')}; |
| int i; |
| for (i = 0; i < FF_ARRAY_ELEMS(formats); i++) { |
| if (dxva2_validate_output(service, *guid, &formats[i])) |
| av_log(avctx, AV_LOG_VERBOSE, " %d", i); |
| } |
| } |
| #endif |
| av_log(avctx, AV_LOG_VERBOSE, "\n"); |
| } |
| } |
| |
| static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format, |
| unsigned guid_count, const GUID *guid_list, GUID *decoder_guid) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| unsigned i, j; |
| |
| dxva_list_guids_debug(avctx, service, guid_count, guid_list); |
| |
| *decoder_guid = ff_GUID_NULL; |
| for (i = 0; dxva_modes[i].guid; i++) { |
| const dxva_mode *mode = &dxva_modes[i]; |
| int validate; |
| if (!dxva_check_codec_compatibility(avctx, mode)) |
| continue; |
| |
| for (j = 0; j < guid_count; j++) { |
| if (IsEqualGUID(mode->guid, &guid_list[j])) |
| break; |
| } |
| if (j == guid_count) |
| continue; |
| |
| #if CONFIG_D3D11VA |
| if (sctx->pix_fmt == AV_PIX_FMT_D3D11) |
| validate = d3d11va_validate_output(service, *mode->guid, surface_format); |
| #endif |
| #if CONFIG_DXVA2 |
| if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
| validate = dxva2_validate_output(service, *mode->guid, surface_format); |
| #endif |
| if (validate) { |
| *decoder_guid = *mode->guid; |
| break; |
| } |
| } |
| |
| if (IsEqualGUID(decoder_guid, &ff_GUID_NULL)) { |
| av_log(avctx, AV_LOG_VERBOSE, "No decoder device for codec found\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E)) |
| sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO; |
| |
| return 0; |
| } |
| |
| static void bufref_free_interface(void *opaque, uint8_t *data) |
| { |
| IUnknown_Release((IUnknown *)opaque); |
| } |
| |
| static AVBufferRef *bufref_wrap_interface(IUnknown *iface) |
| { |
| return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0); |
| } |
| |
| #if CONFIG_DXVA2 |
| |
| static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid, |
| const DXVA2_VideoDesc *desc, |
| DXVA2_ConfigPictureDecode *config) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| unsigned cfg_count; |
| DXVA2_ConfigPictureDecode *cfg_list; |
| HRESULT hr; |
| int ret; |
| |
| hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count); |
| if (ret >= 0) |
| *config = cfg_list[ret]; |
| CoTaskMemFree(cfg_list); |
| return ret; |
| } |
| |
| static int dxva2_create_decoder(AVCodecContext *avctx) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| GUID *guid_list; |
| unsigned guid_count; |
| GUID device_guid; |
| D3DFORMAT surface_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ? |
| MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2'); |
| DXVA2_VideoDesc desc = { 0 }; |
| DXVA2_ConfigPictureDecode config; |
| HRESULT hr; |
| int ret; |
| HANDLE device_handle; |
| AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
| AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
| AVDXVA2DeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
| |
| hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, |
| &device_handle); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n"); |
| goto fail; |
| } |
| |
| hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle, |
| &ff_IID_IDirectXVideoDecoderService, |
| (void **)&sctx->dxva2_service); |
| IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n"); |
| goto fail; |
| } |
| |
| hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n"); |
| goto fail; |
| } |
| |
| ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format, |
| guid_count, guid_list, &device_guid); |
| CoTaskMemFree(guid_list); |
| if (ret < 0) { |
| goto fail; |
| } |
| |
| desc.SampleWidth = avctx->coded_width; |
| desc.SampleHeight = avctx->coded_height; |
| desc.Format = surface_format; |
| |
| ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config); |
| if (ret < 0) { |
| goto fail; |
| } |
| |
| hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid, |
| &desc, &config, frames_hwctx->surfaces, |
| frames_hwctx->nb_surfaces, &sctx->dxva2_decoder); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n"); |
| goto fail; |
| } |
| |
| sctx->dxva2_config = config; |
| |
| sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder); |
| if (!sctx->decoder_ref) |
| return AVERROR(ENOMEM); |
| |
| return 0; |
| fail: |
| return AVERROR(EINVAL); |
| } |
| |
| #endif |
| |
| #if CONFIG_D3D11VA |
| |
| static int d3d11va_get_decoder_configuration(AVCodecContext *avctx, |
| ID3D11VideoDevice *video_device, |
| const D3D11_VIDEO_DECODER_DESC *desc, |
| D3D11_VIDEO_DECODER_CONFIG *config) |
| { |
| unsigned cfg_count = 0; |
| D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL; |
| HRESULT hr; |
| int i, ret; |
| |
| hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| cfg_list = av_malloc_array(cfg_count, sizeof(D3D11_VIDEO_DECODER_CONFIG)); |
| if (cfg_list == NULL) |
| return AVERROR(ENOMEM); |
| for (i = 0; i < cfg_count; i++) { |
| hr = ID3D11VideoDevice_GetVideoDecoderConfig(video_device, desc, i, &cfg_list[i]); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr); |
| av_free(cfg_list); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count); |
| if (ret >= 0) |
| *config = cfg_list[ret]; |
| av_free(cfg_list); |
| return ret; |
| } |
| |
| static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat pix_fmt) |
| { |
| switch (pix_fmt) { |
| case AV_PIX_FMT_NV12: return DXGI_FORMAT_NV12; |
| case AV_PIX_FMT_P010: return DXGI_FORMAT_P010; |
| case AV_PIX_FMT_YUV420P: return DXGI_FORMAT_420_OPAQUE; |
| default: return DXGI_FORMAT_UNKNOWN; |
| } |
| } |
| |
| static int d3d11va_create_decoder(AVCodecContext *avctx) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| GUID *guid_list; |
| unsigned guid_count, i; |
| GUID decoder_guid; |
| D3D11_VIDEO_DECODER_DESC desc = { 0 }; |
| D3D11_VIDEO_DECODER_CONFIG config; |
| AVHWFramesContext *frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data; |
| AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
| AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx; |
| DXGI_FORMAT surface_format = d3d11va_map_sw_to_hw_format(frames_ctx->sw_format); |
| D3D11_TEXTURE2D_DESC texdesc; |
| HRESULT hr; |
| int ret; |
| |
| if (!frames_hwctx->texture) { |
| av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n"); |
| return AVERROR(EINVAL); |
| } |
| ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc); |
| |
| guid_count = ID3D11VideoDevice_GetVideoDecoderProfileCount(device_hwctx->video_device); |
| guid_list = av_malloc_array(guid_count, sizeof(*guid_list)); |
| if (guid_list == NULL || guid_count == 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to get the decoder GUIDs\n"); |
| av_free(guid_list); |
| return AVERROR(EINVAL); |
| } |
| for (i = 0; i < guid_count; i++) { |
| hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i); |
| av_free(guid_list); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format, |
| guid_count, guid_list, &decoder_guid); |
| av_free(guid_list); |
| if (ret < 0) |
| return AVERROR(EINVAL); |
| |
| desc.SampleWidth = avctx->coded_width; |
| desc.SampleHeight = avctx->coded_height; |
| desc.OutputFormat = surface_format; |
| desc.Guid = decoder_guid; |
| |
| ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config); |
| if (ret < 0) |
| return AVERROR(EINVAL); |
| |
| sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0])); |
| if (!sctx->d3d11_views) |
| return AVERROR(ENOMEM); |
| sctx->nb_d3d11_views = texdesc.ArraySize; |
| |
| for (i = 0; i < sctx->nb_d3d11_views; i++) { |
| D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc = { |
| .DecodeProfile = decoder_guid, |
| .ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D, |
| .Texture2D = { |
| .ArraySlice = i, |
| } |
| }; |
| hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device, |
| (ID3D11Resource*) frames_hwctx->texture, |
| &viewDesc, |
| (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i); |
| return AVERROR_UNKNOWN; |
| } |
| } |
| |
| hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc, |
| &config, &sctx->d3d11_decoder); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| sctx->d3d11_config = config; |
| sctx->d3d11_texture = frames_hwctx->texture; |
| |
| sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder); |
| if (!sctx->decoder_ref) |
| return AVERROR(ENOMEM); |
| |
| return 0; |
| } |
| |
| #endif |
| |
| static void ff_dxva2_lock(AVCodecContext *avctx) |
| { |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
| if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE) |
| WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE); |
| if (sctx->device_ctx) { |
| AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx; |
| hwctx->lock(hwctx->lock_ctx); |
| } |
| } |
| #endif |
| } |
| |
| static void ff_dxva2_unlock(AVCodecContext *avctx) |
| { |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
| if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE) |
| ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex); |
| if (sctx->device_ctx) { |
| AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx; |
| hwctx->unlock(hwctx->lock_ctx); |
| } |
| } |
| #endif |
| } |
| |
| int ff_dxva2_common_frame_params(AVCodecContext *avctx, |
| AVBufferRef *hw_frames_ctx) |
| { |
| AVHWFramesContext *frames_ctx = (AVHWFramesContext *)hw_frames_ctx->data; |
| AVHWDeviceContext *device_ctx = frames_ctx->device_ctx; |
| int surface_alignment, num_surfaces; |
| |
| if (device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) { |
| frames_ctx->format = AV_PIX_FMT_DXVA2_VLD; |
| } else if (device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) { |
| frames_ctx->format = AV_PIX_FMT_D3D11; |
| } else { |
| return AVERROR(EINVAL); |
| } |
| |
| /* decoding MPEG-2 requires additional alignment on some Intel GPUs, |
| but it causes issues for H.264 on certain AMD GPUs..... */ |
| if (avctx->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 (avctx->codec_id == AV_CODEC_ID_HEVC || avctx->codec_id == AV_CODEC_ID_AV1) |
| surface_alignment = 128; |
| else |
| surface_alignment = 16; |
| |
| /* 1 base work surface */ |
| num_surfaces = 1; |
| |
| /* add surfaces based on number of possible refs */ |
| if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC) |
| num_surfaces += 16; |
| else if (avctx->codec_id == AV_CODEC_ID_VP9 || avctx->codec_id == AV_CODEC_ID_AV1) |
| num_surfaces += 8; |
| else |
| num_surfaces += 2; |
| |
| frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ? |
| AV_PIX_FMT_P010 : AV_PIX_FMT_NV12; |
| frames_ctx->width = FFALIGN(avctx->coded_width, surface_alignment); |
| frames_ctx->height = FFALIGN(avctx->coded_height, surface_alignment); |
| frames_ctx->initial_pool_size = num_surfaces; |
| |
| |
| #if CONFIG_DXVA2 |
| if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) { |
| AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
| |
| frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget; |
| } |
| #endif |
| |
| #if CONFIG_D3D11VA |
| if (frames_ctx->format == AV_PIX_FMT_D3D11) { |
| AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx; |
| |
| frames_hwctx->BindFlags |= D3D11_BIND_DECODER; |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| int ff_dxva2_decode_init(AVCodecContext *avctx) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| AVHWFramesContext *frames_ctx; |
| enum AVHWDeviceType dev_type = avctx->hwaccel->pix_fmt == AV_PIX_FMT_DXVA2_VLD |
| ? AV_HWDEVICE_TYPE_DXVA2 : AV_HWDEVICE_TYPE_D3D11VA; |
| int ret = 0; |
| |
| // Old API. |
| if (avctx->hwaccel_context) |
| return 0; |
| |
| // (avctx->pix_fmt is not updated yet at this point) |
| sctx->pix_fmt = avctx->hwaccel->pix_fmt; |
| |
| ret = ff_decode_get_hw_frames_ctx(avctx, dev_type); |
| if (ret < 0) |
| return ret; |
| |
| frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
| sctx->device_ctx = frames_ctx->device_ctx; |
| |
| if (frames_ctx->format != sctx->pix_fmt) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n"); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| |
| #if CONFIG_D3D11VA |
| if (sctx->pix_fmt == AV_PIX_FMT_D3D11) { |
| AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
| AVD3D11VAContext *d3d11_ctx = &sctx->ctx.d3d11va; |
| |
| ff_dxva2_lock(avctx); |
| ret = d3d11va_create_decoder(avctx); |
| ff_dxva2_unlock(avctx); |
| if (ret < 0) |
| goto fail; |
| |
| d3d11_ctx->decoder = sctx->d3d11_decoder; |
| d3d11_ctx->video_context = device_hwctx->video_context; |
| d3d11_ctx->cfg = &sctx->d3d11_config; |
| d3d11_ctx->surface_count = sctx->nb_d3d11_views; |
| d3d11_ctx->surface = sctx->d3d11_views; |
| d3d11_ctx->workaround = sctx->workaround; |
| d3d11_ctx->context_mutex = INVALID_HANDLE_VALUE; |
| } |
| #endif |
| |
| #if CONFIG_DXVA2 |
| if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx; |
| struct dxva_context *dxva_ctx = &sctx->ctx.dxva2; |
| |
| ff_dxva2_lock(avctx); |
| ret = dxva2_create_decoder(avctx); |
| ff_dxva2_unlock(avctx); |
| if (ret < 0) |
| goto fail; |
| |
| dxva_ctx->decoder = sctx->dxva2_decoder; |
| dxva_ctx->cfg = &sctx->dxva2_config; |
| dxva_ctx->surface = frames_hwctx->surfaces; |
| dxva_ctx->surface_count = frames_hwctx->nb_surfaces; |
| dxva_ctx->workaround = sctx->workaround; |
| } |
| #endif |
| |
| return 0; |
| |
| fail: |
| ff_dxva2_decode_uninit(avctx); |
| return ret; |
| } |
| |
| int ff_dxva2_decode_uninit(AVCodecContext *avctx) |
| { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| int i; |
| |
| av_buffer_unref(&sctx->decoder_ref); |
| |
| #if CONFIG_D3D11VA |
| for (i = 0; i < sctx->nb_d3d11_views; i++) { |
| if (sctx->d3d11_views[i]) |
| ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]); |
| } |
| av_freep(&sctx->d3d11_views); |
| #endif |
| |
| #if CONFIG_DXVA2 |
| if (sctx->dxva2_service) |
| IDirectXVideoDecoderService_Release(sctx->dxva2_service); |
| #endif |
| |
| return 0; |
| } |
| |
| static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame) |
| { |
| #if CONFIG_D3D11VA |
| if (frame->format == AV_PIX_FMT_D3D11) { |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| intptr_t index = (intptr_t)frame->data[1]; |
| if (index < 0 || index >= sctx->nb_d3d11_views || |
| sctx->d3d11_texture != (ID3D11Texture2D *)frame->data[0]) { |
| av_log((void *)avctx, AV_LOG_ERROR, "get_buffer frame is invalid!\n"); |
| return NULL; |
| } |
| return sctx->d3d11_views[index]; |
| } |
| #endif |
| return frame->data[3]; |
| } |
| |
| unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, |
| const AVDXVAContext *ctx, |
| const AVFrame *frame) |
| { |
| void *surface = get_surface(avctx, frame); |
| unsigned i; |
| |
| #if CONFIG_D3D11VA |
| if (avctx->pix_fmt == AV_PIX_FMT_D3D11) |
| return (intptr_t)frame->data[1]; |
| if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) { |
| D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc; |
| ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc); |
| return viewDesc.Texture2D.ArraySlice; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) { |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface) |
| return i; |
| } |
| #endif |
| |
| assert(0); |
| return 0; |
| } |
| |
| int ff_dxva2_commit_buffer(AVCodecContext *avctx, |
| AVDXVAContext *ctx, |
| DECODER_BUFFER_DESC *dsc, |
| unsigned type, const void *data, unsigned size, |
| unsigned mb_count) |
| { |
| void *dxva_data; |
| unsigned dxva_size; |
| int result; |
| HRESULT hr = 0; |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) |
| hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, |
| D3D11VA_CONTEXT(ctx)->decoder, |
| type, |
| &dxva_size, &dxva_data); |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
| hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type, |
| &dxva_data, &dxva_size); |
| #endif |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n", |
| type, (unsigned)hr); |
| return -1; |
| } |
| if (size <= dxva_size) { |
| memcpy(dxva_data, data, size); |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc; |
| memset(dsc11, 0, sizeof(*dsc11)); |
| dsc11->BufferType = type; |
| dsc11->DataSize = size; |
| dsc11->NumMBsInBuffer = mb_count; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| DXVA2_DecodeBufferDesc *dsc2 = dsc; |
| memset(dsc2, 0, sizeof(*dsc2)); |
| dsc2->CompressedBufferType = type; |
| dsc2->DataSize = size; |
| dsc2->NumMBsInBuffer = mb_count; |
| } |
| #endif |
| |
| result = 0; |
| } else { |
| av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type); |
| result = -1; |
| } |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) |
| hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type); |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
| hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type); |
| #endif |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Failed to release buffer type %u: 0x%x\n", |
| type, (unsigned)hr); |
| result = -1; |
| } |
| return result; |
| } |
| |
| static int frame_add_buf(AVFrame *frame, AVBufferRef *ref) |
| { |
| int i; |
| |
| for (i = 0; i < AV_NUM_DATA_POINTERS; i++) { |
| if (!frame->buf[i]) { |
| frame->buf[i] = av_buffer_ref(ref); |
| return frame->buf[i] ? 0 : AVERROR(ENOMEM); |
| } |
| } |
| |
| // For now we expect that the caller does not use more than |
| // AV_NUM_DATA_POINTERS-1 buffers if the user uses a custom pool. |
| return AVERROR(EINVAL); |
| } |
| |
| int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, |
| const void *pp, unsigned pp_size, |
| const void *qm, unsigned qm_size, |
| int (*commit_bs_si)(AVCodecContext *, |
| DECODER_BUFFER_DESC *bs, |
| DECODER_BUFFER_DESC *slice)) |
| { |
| AVDXVAContext *ctx = DXVA_CONTEXT(avctx); |
| unsigned buffer_count = 0; |
| #if CONFIG_D3D11VA |
| D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4]; |
| #endif |
| #if CONFIG_DXVA2 |
| DXVA2_DecodeBufferDesc buffer2[4]; |
| #endif |
| DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL; |
| int result, runs = 0; |
| HRESULT hr; |
| unsigned type; |
| FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx); |
| |
| if (sctx->decoder_ref) { |
| result = frame_add_buf(frame, sctx->decoder_ref); |
| if (result < 0) |
| return result; |
| } |
| |
| do { |
| ff_dxva2_lock(avctx); |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) |
| hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, |
| get_surface(avctx, frame), |
| 0, NULL); |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
| hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder, |
| get_surface(avctx, frame), |
| NULL); |
| #endif |
| if (hr != E_PENDING || ++runs > 50) |
| break; |
| ff_dxva2_unlock(avctx); |
| av_usleep(2000); |
| } while(1); |
| |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr); |
| ff_dxva2_unlock(avctx); |
| return -1; |
| } |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| buffer = &buffer11[buffer_count]; |
| type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| buffer = &buffer2[buffer_count]; |
| type = DXVA2_PictureParametersBufferType; |
| } |
| #endif |
| result = ff_dxva2_commit_buffer(avctx, ctx, buffer, |
| type, |
| pp, pp_size, 0); |
| if (result) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Failed to add picture parameter buffer\n"); |
| goto end; |
| } |
| buffer_count++; |
| |
| if (qm_size > 0) { |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| buffer = &buffer11[buffer_count]; |
| type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| buffer = &buffer2[buffer_count]; |
| type = DXVA2_InverseQuantizationMatrixBufferType; |
| } |
| #endif |
| result = ff_dxva2_commit_buffer(avctx, ctx, buffer, |
| type, |
| qm, qm_size, 0); |
| if (result) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Failed to add inverse quantization matrix buffer\n"); |
| goto end; |
| } |
| buffer_count++; |
| } |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) { |
| buffer = &buffer11[buffer_count + 0]; |
| buffer_slice = &buffer11[buffer_count + 1]; |
| } |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| buffer = &buffer2[buffer_count + 0]; |
| buffer_slice = &buffer2[buffer_count + 1]; |
| } |
| #endif |
| |
| result = commit_bs_si(avctx, |
| buffer, |
| buffer_slice); |
| if (result) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Failed to add bitstream or slice control buffer\n"); |
| goto end; |
| } |
| buffer_count += 2; |
| |
| /* TODO Film Grain when possible */ |
| |
| assert(buffer_count == 1 + (qm_size > 0) + 2); |
| |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) |
| hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context, |
| D3D11VA_CONTEXT(ctx)->decoder, |
| buffer_count, buffer11); |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) { |
| DXVA2_DecodeExecuteParams exec = { |
| .NumCompBuffers = buffer_count, |
| .pCompressedBuffers = buffer2, |
| .pExtensionData = NULL, |
| }; |
| hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec); |
| } |
| #endif |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr); |
| result = -1; |
| } |
| |
| end: |
| #if CONFIG_D3D11VA |
| if (ff_dxva2_is_d3d11(avctx)) |
| hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder); |
| #endif |
| #if CONFIG_DXVA2 |
| if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) |
| hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL); |
| #endif |
| ff_dxva2_unlock(avctx); |
| if (FAILED(hr)) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr); |
| result = -1; |
| } |
| |
| return result; |
| } |
| |
| int ff_dxva2_is_d3d11(const AVCodecContext *avctx) |
| { |
| if (CONFIG_D3D11VA) |
| return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD || |
| avctx->pix_fmt == AV_PIX_FMT_D3D11; |
| else |
| return 0; |
| } |
