Update ffmpeg to 7.1.1

submodules/ffmpeg/Sources/FFMpeg/ffmpeg-7.1.1/libavcodec/d3d12va_decode.h

@@ -0,0 +1,179 @@
+/*
+ * Direct3D 12 HW acceleration video decoder
+ *
+ * copyright (c) 2022-2023 Wu Jianhua <toqsxw@outlook.com>
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_D3D12VA_DECODE_H
+#define AVCODEC_D3D12VA_DECODE_H
+
+#include "libavutil/fifo.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_d3d12va.h"
+#include "avcodec.h"
+#include "internal.h"
+#include "hwaccel_internal.h"
+
+/**
+ * @brief This structure is used to provide the necessary configurations and data
+ * to the FFmpeg Direct3D 12 HWAccel implementation for video decoder.
+ */
+typedef struct D3D12VADecodeContext {
+    AVBufferRef *decoder_ref;
+
+    /**
+     * D3D12 video decoder
+     */
+    ID3D12VideoDecoder *decoder;
+
+    /**
+     * D3D12 video decoder heap
+     */
+    ID3D12VideoDecoderHeap *decoder_heap;
+
+    /**
+     * D3D12 configuration used to create the decoder
+     *
+     * Specified by decoders
+     */
+    D3D12_VIDEO_DECODE_CONFIGURATION cfg;
+
+    /**
+     * A cached queue for reusing the D3D12 command allocators and upload buffers
+     *
+     * @see https://learn.microsoft.com/en-us/windows/win32/direct3d12/recording-command-lists-and-bundles#id3d12commandallocator
+     */
+    AVFifo *objects_queue;
+
+    /**
+     * D3D12 command queue
+     */
+    ID3D12CommandQueue *command_queue;
+
+    /**
+     * D3D12 video decode command list
+     */
+    ID3D12VideoDecodeCommandList *command_list;
+
+    /**
+     * The array of resources used for reference frames
+     *
+     * The ref_resources.length is the same as D3D12VADecodeContext.max_num_ref
+     */
+    ID3D12Resource **ref_resources;
+
+    /**
+     * The array of subresources used for reference frames
+     *
+     * The ref_subresources.length is the same as D3D12VADecodeContext.max_num_ref
+     */
+    UINT *ref_subresources;
+
+    /**
+     * Maximum number of reference frames
+     */
+    UINT max_num_ref;
+
+    /**
+     * Used mask used to record reference frames indices
+     */
+    UINT used_mask;
+
+    /**
+     * Bitstream size for each frame
+     */
+    UINT bitstream_size;
+
+    /**
+     * The sync context used to sync command queue
+     */
+    AVD3D12VASyncContext sync_ctx;
+
+    /**
+     * A pointer to AVD3D12VADeviceContext used to create D3D12 objects
+     */
+    AVD3D12VADeviceContext *device_ctx;
+
+    /**
+     * Pixel format
+     */
+    enum AVPixelFormat pix_fmt;
+
+    /**
+     * Private to the FFmpeg AVHWAccel implementation
+     */
+    unsigned report_id;
+} D3D12VADecodeContext;
+
+/**
+ * @}
+ */
+#define D3D12VA_VIDEO_DEC_ASYNC_DEPTH 36
+#define D3D12VA_DECODE_CONTEXT(avctx) ((D3D12VADecodeContext *)((avctx)->internal->hwaccel_priv_data))
+#define D3D12VA_FRAMES_CONTEXT(avctx) ((AVHWFramesContext *)(avctx)->hw_frames_ctx->data)
+
+/**
+ * @brief Get a suitable maximum bitstream size
+ *
+ * Creating and destroying a resource on d3d12 needs sync and reallocation, so use this function
+ * to help allocate a big enough bitstream buffer to avoid recreating resources when decoding.
+ *
+ * @return the suitable size
+ */
+int ff_d3d12va_get_suitable_max_bitstream_size(AVCodecContext *avctx);
+
+/**
+ * @brief init D3D12VADecodeContext
+ *
+ * @return Error code (ret < 0 if failed)
+ */
+int ff_d3d12va_decode_init(AVCodecContext *avctx);
+
+/**
+ * @brief uninit D3D12VADecodeContext
+ *
+ * @return Error code (ret < 0 if failed)
+ */
+int ff_d3d12va_decode_uninit(AVCodecContext *avctx);
+
+/**
+ * @brief d3d12va common frame params
+ *
+ * @return Error code (ret < 0 if failed)
+ */
+int ff_d3d12va_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx);
+
+/**
+ * @brief d3d12va common end frame
+ *
+ * @param avctx    codec context
+ * @param frame    current output frame
+ * @param pp       picture parameters
+ * @param pp_size  the size of the picture parameters
+ * @param qm       quantization matrix
+ * @param qm_size  the size of the quantization matrix
+ * @param callback update decoder-specified input stream arguments
+ * @return Error code (ret < 0 if failed)
+ */
+int ff_d3d12va_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
+    const void *pp, unsigned pp_size,
+    const void *qm, unsigned qm_size,
+    int(*)(AVCodecContext *, D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS *, ID3D12Resource *));
+
+#endif /* AVCODEC_D3D12VA_DEC_H */