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https://github.com/FFmpeg/FFmpeg.git
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99cf943339
also fixes a deadlock found by Денис Кулаков <kudesnik33ra@gmail.com> Signed-off-by: Anton Khirnov <anton@khirnov.net>
294 lines
9.7 KiB
C
294 lines
9.7 KiB
C
/*
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* DXVA2 HW acceleration.
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*
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* copyright (c) 2010 Laurent Aimar
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 <assert.h>
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#include <string.h>
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#include "libavutil/log.h"
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#include "libavutil/time.h"
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#include "avcodec.h"
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#include "dxva2_internal.h"
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void *ff_dxva2_get_surface(const AVFrame *frame)
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{
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return frame->data[3];
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}
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unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
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const AVDXVAContext *ctx,
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const AVFrame *frame)
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{
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void *surface = ff_dxva2_get_surface(frame);
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unsigned i;
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for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++)
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if (DXVA_CONTEXT_SURFACE(avctx, ctx, i) == surface)
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return i;
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assert(0);
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return 0;
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}
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int ff_dxva2_commit_buffer(AVCodecContext *avctx,
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AVDXVAContext *ctx,
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DECODER_BUFFER_DESC *dsc,
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unsigned type, const void *data, unsigned size,
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unsigned mb_count)
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{
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void *dxva_data;
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unsigned dxva_size;
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int result;
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HRESULT hr;
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
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hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
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D3D11VA_CONTEXT(ctx)->decoder,
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type,
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&dxva_size, &dxva_data);
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
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hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
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&dxva_data, &dxva_size);
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#endif
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%lx\n",
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type, hr);
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return -1;
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}
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if (size <= dxva_size) {
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memcpy(dxva_data, data, size);
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
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memset(dsc11, 0, sizeof(*dsc11));
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dsc11->BufferType = type;
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dsc11->DataSize = size;
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dsc11->NumMBsInBuffer = mb_count;
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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DXVA2_DecodeBufferDesc *dsc2 = dsc;
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memset(dsc2, 0, sizeof(*dsc2));
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dsc2->CompressedBufferType = type;
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dsc2->DataSize = size;
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dsc2->NumMBsInBuffer = mb_count;
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}
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#endif
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result = 0;
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} else {
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av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
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result = -1;
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}
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
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hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
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hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
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#endif
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR,
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"Failed to release buffer type %u: 0x%lx\n",
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type, hr);
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result = -1;
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}
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return result;
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}
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int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
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const void *pp, unsigned pp_size,
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const void *qm, unsigned qm_size,
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int (*commit_bs_si)(AVCodecContext *,
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DECODER_BUFFER_DESC *bs,
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DECODER_BUFFER_DESC *slice))
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{
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AVDXVAContext *ctx = avctx->hwaccel_context;
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unsigned buffer_count = 0;
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#if CONFIG_D3D11VA
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D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
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#endif
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#if CONFIG_DXVA2
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DXVA2_DecodeBufferDesc buffer2[4];
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#endif
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DECODER_BUFFER_DESC *buffer,*buffer_slice;
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int result, runs = 0;
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HRESULT hr;
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unsigned type;
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do {
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
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WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
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hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
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ff_dxva2_get_surface(frame),
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0, NULL);
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
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hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
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ff_dxva2_get_surface(frame),
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NULL);
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#endif
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if (hr != E_PENDING || ++runs > 50)
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break;
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
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if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
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ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
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#endif
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av_usleep(2000);
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} while(1);
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%lx\n", hr);
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
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if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
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ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
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#endif
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return -1;
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}
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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buffer = &buffer11[buffer_count];
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type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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buffer = &buffer2[buffer_count];
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type = DXVA2_PictureParametersBufferType;
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}
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#endif
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result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
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type,
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pp, pp_size, 0);
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if (result) {
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av_log(avctx, AV_LOG_ERROR,
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"Failed to add picture parameter buffer\n");
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goto end;
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}
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buffer_count++;
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if (qm_size > 0) {
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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buffer = &buffer11[buffer_count];
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type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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buffer = &buffer2[buffer_count];
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type = DXVA2_InverseQuantizationMatrixBufferType;
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}
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#endif
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result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
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type,
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qm, qm_size, 0);
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if (result) {
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av_log(avctx, AV_LOG_ERROR,
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"Failed to add inverse quantization matrix buffer\n");
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goto end;
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}
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buffer_count++;
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}
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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buffer = &buffer11[buffer_count + 0];
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buffer_slice = &buffer11[buffer_count + 1];
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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buffer = &buffer2[buffer_count + 0];
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buffer_slice = &buffer2[buffer_count + 1];
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}
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#endif
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result = commit_bs_si(avctx,
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buffer,
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buffer_slice);
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if (result) {
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av_log(avctx, AV_LOG_ERROR,
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"Failed to add bitstream or slice control buffer\n");
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goto end;
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}
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buffer_count += 2;
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/* TODO Film Grain when possible */
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assert(buffer_count == 1 + (qm_size > 0) + 2);
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
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hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context,
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D3D11VA_CONTEXT(ctx)->decoder,
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buffer_count, buffer11);
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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DXVA2_DecodeExecuteParams exec = {
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.NumCompBuffers = buffer_count,
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.pCompressedBuffers = buffer2,
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.pExtensionData = NULL,
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};
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hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
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}
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#endif
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%lx\n", hr);
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result = -1;
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}
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end:
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#if CONFIG_D3D11VA
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if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
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hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
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if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
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ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
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hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
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#endif
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%lx\n", hr);
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result = -1;
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}
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return result;
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}
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