797 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			797 lines
		
	
	
		
			28 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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| 
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| #include "config.h"
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| 
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| #include "libavutil/avassert.h"
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| #include "libavutil/imgutils.h"
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| #include "libavutil/hwcontext.h"
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| #if CONFIG_D3D11VA
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| #include "libavutil/hwcontext_d3d11va.h"
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| #endif
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| #if CONFIG_DXVA2
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| #define COBJMACROS
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| #include "libavutil/hwcontext_dxva2.h"
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| #endif
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| #include "libavutil/mem.h"
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| #include "libavutil/pixdesc.h"
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| #include "libavutil/time.h"
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| 
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| #include "amfenc.h"
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| #include "encode.h"
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| #include "internal.h"
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| 
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| #if CONFIG_D3D11VA
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| #include <d3d11.h>
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| #endif
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| 
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| #ifdef _WIN32
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| #include "compat/w32dlfcn.h"
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| #else
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| #include <dlfcn.h>
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| #endif
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| 
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| #define FFMPEG_AMF_WRITER_ID L"ffmpeg_amf"
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| 
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| #define PTS_PROP L"PtsProp"
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| 
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| const enum AVPixelFormat ff_amf_pix_fmts[] = {
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|     AV_PIX_FMT_NV12,
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|     AV_PIX_FMT_YUV420P,
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| #if CONFIG_D3D11VA
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|     AV_PIX_FMT_D3D11,
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| #endif
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| #if CONFIG_DXVA2
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|     AV_PIX_FMT_DXVA2_VLD,
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| #endif
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|     AV_PIX_FMT_NONE
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| };
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| 
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| typedef struct FormatMap {
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|     enum AVPixelFormat       av_format;
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|     enum AMF_SURFACE_FORMAT  amf_format;
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| } FormatMap;
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| 
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| static const FormatMap format_map[] =
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| {
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|     { AV_PIX_FMT_NONE,       AMF_SURFACE_UNKNOWN },
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|     { AV_PIX_FMT_NV12,       AMF_SURFACE_NV12 },
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|     { AV_PIX_FMT_BGR0,       AMF_SURFACE_BGRA },
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|     { AV_PIX_FMT_RGB0,       AMF_SURFACE_RGBA },
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|     { AV_PIX_FMT_GRAY8,      AMF_SURFACE_GRAY8 },
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|     { AV_PIX_FMT_YUV420P,    AMF_SURFACE_YUV420P },
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|     { AV_PIX_FMT_YUYV422,    AMF_SURFACE_YUY2 },
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| };
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| 
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| static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
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| {
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|     int i;
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|     for (i = 0; i < amf_countof(format_map); i++) {
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|         if (format_map[i].av_format == fmt) {
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|             return format_map[i].amf_format;
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|         }
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|     }
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|     return AMF_SURFACE_UNKNOWN;
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| }
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| 
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| static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
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|     const wchar_t *scope, const wchar_t *message)
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| {
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|     AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
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|     av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
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| }
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| 
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| static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
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| {
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| }
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| 
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| static AMFTraceWriterVtbl tracer_vtbl =
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| {
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|     .Write = AMFTraceWriter_Write,
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|     .Flush = AMFTraceWriter_Flush,
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| };
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| 
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| static int amf_load_library(AVCodecContext *avctx)
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| {
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|     AmfContext        *ctx = avctx->priv_data;
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|     AMFInit_Fn         init_fun;
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|     AMFQueryVersion_Fn version_fun;
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|     AMF_RESULT         res;
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| 
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|     ctx->delayed_frame = av_frame_alloc();
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|     if (!ctx->delayed_frame) {
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|         return AVERROR(ENOMEM);
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|     }
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|     // hardcoded to current HW queue size - will realloc in timestamp_queue_enqueue() if too small
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|     ctx->timestamp_list = av_fifo_alloc((avctx->max_b_frames + 16) * sizeof(int64_t));
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|     if (!ctx->timestamp_list) {
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|         return AVERROR(ENOMEM);
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|     }
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|     ctx->dts_delay = 0;
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| 
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| 
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|     ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
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|     AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
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|         AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
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| 
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|     init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
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|     AMF_RETURN_IF_FALSE(ctx, init_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_INIT_FUNCTION_NAME);
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| 
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|     version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
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|     AMF_RETURN_IF_FALSE(ctx, version_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_QUERY_VERSION_FUNCTION_NAME);
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| 
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|     res = version_fun(&ctx->version);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
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|     res = init_fun(AMF_FULL_VERSION, &ctx->factory);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
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|     res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
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|     res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
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|     return 0;
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| }
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| 
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| #if CONFIG_D3D11VA
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| static int amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)
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| {
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|     AmfContext *ctx = avctx->priv_data;
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|     AMF_RESULT res;
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| 
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|     res = ctx->context->pVtbl->InitDX11(ctx->context, hwctx->device, AMF_DX11_1);
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|     if (res != AMF_OK) {
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|         if (res == AMF_NOT_SUPPORTED)
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|             av_log(avctx, AV_LOG_ERROR, "AMF via D3D11 is not supported on the given device.\n");
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|         else
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|             av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given D3D11 device: %d.\n", res);
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|         return AVERROR(ENODEV);
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|     }
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| 
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|     return 0;
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| }
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| #endif
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| 
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| #if CONFIG_DXVA2
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| static int amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)
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| {
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|     AmfContext *ctx = avctx->priv_data;
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|     HANDLE device_handle;
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|     IDirect3DDevice9 *device;
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|     HRESULT hr;
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|     AMF_RESULT res;
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|     int ret;
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| 
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|     hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &device_handle);
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|     if (FAILED(hr)) {
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|         av_log(avctx, AV_LOG_ERROR, "Failed to open device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
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|         return AVERROR_EXTERNAL;
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|     }
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| 
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|     hr = IDirect3DDeviceManager9_LockDevice(hwctx->devmgr, device_handle, &device, FALSE);
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|     if (SUCCEEDED(hr)) {
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|         IDirect3DDeviceManager9_UnlockDevice(hwctx->devmgr, device_handle, FALSE);
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|         ret = 0;
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|     } else {
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|         av_log(avctx, AV_LOG_ERROR, "Failed to lock device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
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|         ret = AVERROR_EXTERNAL;
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|     }
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| 
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|     IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, device_handle);
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| 
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|     if (ret < 0)
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|         return ret;
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| 
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|     res = ctx->context->pVtbl->InitDX9(ctx->context, device);
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| 
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|     IDirect3DDevice9_Release(device);
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| 
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|     if (res != AMF_OK) {
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|         if (res == AMF_NOT_SUPPORTED)
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|             av_log(avctx, AV_LOG_ERROR, "AMF via D3D9 is not supported on the given device.\n");
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|         else
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|             av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on given D3D9 device: %d.\n", res);
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|         return AVERROR(ENODEV);
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|     }
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| 
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|     return 0;
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| }
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| #endif
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| 
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| static int amf_init_context(AVCodecContext *avctx)
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| {
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|     AmfContext *ctx = avctx->priv_data;
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|     AMFContext1 *context1 = NULL;
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|     AMF_RESULT  res;
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|     av_unused int ret;
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| 
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|     ctx->hwsurfaces_in_queue = 0;
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|     ctx->hwsurfaces_in_queue_max = 16;
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| 
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|     // configure AMF logger
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|     // the return of these functions indicates old state and do not affect behaviour
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|     ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
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|     if (ctx->log_to_dbg)
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|         ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
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|     ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
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|     ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
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| 
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|     // connect AMF logger to av_log
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|     ctx->tracer.vtbl = &tracer_vtbl;
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|     ctx->tracer.avctx = avctx;
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|     ctx->trace->pVtbl->RegisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID,(AMFTraceWriter*)&ctx->tracer, 1);
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|     ctx->trace->pVtbl->SetWriterLevel(ctx->trace, FFMPEG_AMF_WRITER_ID, AMF_TRACE_TRACE);
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| 
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|     res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
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| 
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|     // If a device was passed to the encoder, try to initialise from that.
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|     if (avctx->hw_frames_ctx) {
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|         AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
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| 
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|         if (amf_av_to_amf_format(frames_ctx->sw_format) == AMF_SURFACE_UNKNOWN) {
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|             av_log(avctx, AV_LOG_ERROR, "Format of input frames context (%s) is not supported by AMF.\n",
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|                    av_get_pix_fmt_name(frames_ctx->sw_format));
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|             return AVERROR(EINVAL);
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|         }
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| 
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|         switch (frames_ctx->device_ctx->type) {
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| #if CONFIG_D3D11VA
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|         case AV_HWDEVICE_TYPE_D3D11VA:
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|             ret = amf_init_from_d3d11_device(avctx, frames_ctx->device_ctx->hwctx);
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|             if (ret < 0)
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|                 return ret;
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|             break;
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| #endif
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| #if CONFIG_DXVA2
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|         case AV_HWDEVICE_TYPE_DXVA2:
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|             ret = amf_init_from_dxva2_device(avctx, frames_ctx->device_ctx->hwctx);
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|             if (ret < 0)
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|                 return ret;
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|             break;
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| #endif
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|         default:
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|             av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s frames context is not supported.\n",
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|                    av_hwdevice_get_type_name(frames_ctx->device_ctx->type));
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|             return AVERROR(ENOSYS);
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|         }
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| 
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|         ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
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|         if (!ctx->hw_frames_ctx)
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|             return AVERROR(ENOMEM);
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| 
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|         if (frames_ctx->initial_pool_size > 0)
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|             ctx->hwsurfaces_in_queue_max = frames_ctx->initial_pool_size - 1;
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| 
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|     } else if (avctx->hw_device_ctx) {
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|         AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
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| 
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|         switch (device_ctx->type) {
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| #if CONFIG_D3D11VA
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|         case AV_HWDEVICE_TYPE_D3D11VA:
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|             ret = amf_init_from_d3d11_device(avctx, device_ctx->hwctx);
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|             if (ret < 0)
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|                 return ret;
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|             break;
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| #endif
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| #if CONFIG_DXVA2
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|         case AV_HWDEVICE_TYPE_DXVA2:
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|             ret = amf_init_from_dxva2_device(avctx, device_ctx->hwctx);
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|             if (ret < 0)
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|                 return ret;
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|             break;
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| #endif
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|         default:
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|             av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s device is not supported.\n",
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|                    av_hwdevice_get_type_name(device_ctx->type));
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|             return AVERROR(ENOSYS);
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|         }
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| 
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|         ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
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|         if (!ctx->hw_device_ctx)
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|             return AVERROR(ENOMEM);
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| 
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|     } else {
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|         res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
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|         if (res == AMF_OK) {
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|             av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D11.\n");
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|         } else {
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|             res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
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|             if (res == AMF_OK) {
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|                 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D9.\n");
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|             } else {
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|                 AMFGuid guid = IID_AMFContext1();
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|                 res = ctx->context->pVtbl->QueryInterface(ctx->context, &guid, (void**)&context1);
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|                 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext1() failed with error %d\n", res);
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| 
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|                 res = context1->pVtbl->InitVulkan(context1, NULL);
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|                 context1->pVtbl->Release(context1);
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|                 if (res != AMF_OK) {
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|                     if (res == AMF_NOT_SUPPORTED)
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|                         av_log(avctx, AV_LOG_ERROR, "AMF via Vulkan is not supported on the given device.\n");
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|                     else
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|                         av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given Vulkan device: %d.\n", res);
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|                     return AVERROR(ENOSYS);
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|                 }
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|                 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via Vulkan.\n");
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|             }
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|         }
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|     }
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|     return 0;
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| }
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| 
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| static int amf_init_encoder(AVCodecContext *avctx)
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| {
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|     AmfContext        *ctx = avctx->priv_data;
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|     const wchar_t     *codec_id = NULL;
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|     AMF_RESULT         res;
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|     enum AVPixelFormat pix_fmt;
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| 
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|     switch (avctx->codec->id) {
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|         case AV_CODEC_ID_H264:
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|             codec_id = AMFVideoEncoderVCE_AVC;
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|             break;
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|         case AV_CODEC_ID_HEVC:
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|             codec_id = AMFVideoEncoder_HEVC;
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|             break;
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|         default:
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|             break;
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|     }
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|     AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
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| 
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|     if (ctx->hw_frames_ctx)
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|         pix_fmt = ((AVHWFramesContext*)ctx->hw_frames_ctx->data)->sw_format;
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|     else
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|         pix_fmt = avctx->pix_fmt;
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| 
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|     ctx->format = amf_av_to_amf_format(pix_fmt);
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|     AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL),
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|                         "Format %s is not supported\n", av_get_pix_fmt_name(pix_fmt));
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| 
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|     res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
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|     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
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| 
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|     return 0;
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| }
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| 
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| int av_cold ff_amf_encode_close(AVCodecContext *avctx)
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| {
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|     AmfContext *ctx = avctx->priv_data;
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| 
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|     if (ctx->delayed_surface) {
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|         ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
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|         ctx->delayed_surface = NULL;
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|     }
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| 
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|     if (ctx->encoder) {
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|         ctx->encoder->pVtbl->Terminate(ctx->encoder);
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|         ctx->encoder->pVtbl->Release(ctx->encoder);
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|         ctx->encoder = NULL;
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|     }
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| 
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|     if (ctx->context) {
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|         ctx->context->pVtbl->Terminate(ctx->context);
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|         ctx->context->pVtbl->Release(ctx->context);
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|         ctx->context = NULL;
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|     }
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|     av_buffer_unref(&ctx->hw_device_ctx);
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|     av_buffer_unref(&ctx->hw_frames_ctx);
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| 
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|     if (ctx->trace) {
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|         ctx->trace->pVtbl->UnregisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID);
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|     }
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|     if (ctx->library) {
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|         dlclose(ctx->library);
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|         ctx->library = NULL;
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|     }
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|     ctx->trace = NULL;
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|     ctx->debug = NULL;
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|     ctx->factory = NULL;
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|     ctx->version = 0;
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|     ctx->delayed_drain = 0;
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|     av_frame_free(&ctx->delayed_frame);
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|     av_fifo_freep(&ctx->timestamp_list);
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| 
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|     return 0;
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| }
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| 
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| static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
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|     AMFSurface* surface)
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| {
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|     AMFPlane *plane;
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|     uint8_t  *dst_data[4];
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|     int       dst_linesize[4];
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|     int       planes;
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|     int       i;
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| 
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|     planes = surface->pVtbl->GetPlanesCount(surface);
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|     av_assert0(planes < FF_ARRAY_ELEMS(dst_data));
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| 
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|     for (i = 0; i < planes; i++) {
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|         plane = surface->pVtbl->GetPlaneAt(surface, i);
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|         dst_data[i] = plane->pVtbl->GetNative(plane);
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|         dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
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|     }
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|     av_image_copy(dst_data, dst_linesize,
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|         (const uint8_t**)frame->data, frame->linesize, frame->format,
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|         avctx->width, avctx->height);
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| 
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|     return 0;
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| }
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| 
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| static inline int timestamp_queue_enqueue(AVCodecContext *avctx, int64_t timestamp)
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| {
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|     AmfContext         *ctx = avctx->priv_data;
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|     if (av_fifo_space(ctx->timestamp_list) < sizeof(timestamp)) {
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|         if (av_fifo_grow(ctx->timestamp_list, sizeof(timestamp)) < 0) {
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|             return AVERROR(ENOMEM);
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|         }
 | |
|     }
 | |
|     av_fifo_generic_write(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
 | |
| {
 | |
|     AmfContext      *ctx = avctx->priv_data;
 | |
|     int              ret;
 | |
|     AMFVariantStruct var = {0};
 | |
|     int64_t          timestamp = AV_NOPTS_VALUE;
 | |
|     int64_t          size = buffer->pVtbl->GetSize(buffer);
 | |
| 
 | |
|     if ((ret = ff_get_encode_buffer(avctx, pkt, size, 0)) < 0) {
 | |
|         return ret;
 | |
|     }
 | |
|     memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
 | |
| 
 | |
|     switch (avctx->codec->id) {
 | |
|         case AV_CODEC_ID_H264:
 | |
|             buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE, &var);
 | |
|             if(var.int64Value == AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE_IDR) {
 | |
|                 pkt->flags = AV_PKT_FLAG_KEY;
 | |
|             }
 | |
|             break;
 | |
|         case AV_CODEC_ID_HEVC:
 | |
|             buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE, &var);
 | |
|             if (var.int64Value == AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE_IDR) {
 | |
|                 pkt->flags = AV_PKT_FLAG_KEY;
 | |
|             }
 | |
|             break;
 | |
|         default:
 | |
|             break;
 | |
|     }
 | |
| 
 | |
|     buffer->pVtbl->GetProperty(buffer, PTS_PROP, &var);
 | |
| 
 | |
|     pkt->pts = var.int64Value; // original pts
 | |
| 
 | |
| 
 | |
|     AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN, "timestamp_list is empty\n");
 | |
| 
 | |
|     av_fifo_generic_read(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
 | |
| 
 | |
|     // calc dts shift if max_b_frames > 0
 | |
|     if (avctx->max_b_frames > 0 && ctx->dts_delay == 0) {
 | |
|         int64_t timestamp_last = AV_NOPTS_VALUE;
 | |
|         AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN,
 | |
|             "timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
 | |
|         av_fifo_generic_peek_at(
 | |
|             ctx->timestamp_list,
 | |
|             ×tamp_last,
 | |
|             (av_fifo_size(ctx->timestamp_list) / sizeof(timestamp) - 1) * sizeof(timestamp_last),
 | |
|             sizeof(timestamp_last),
 | |
|             NULL);
 | |
|         if (timestamp < 0 || timestamp_last < AV_NOPTS_VALUE) {
 | |
|             return AVERROR(ERANGE);
 | |
|         }
 | |
|         ctx->dts_delay = timestamp_last - timestamp;
 | |
|     }
 | |
|     pkt->dts = timestamp - ctx->dts_delay;
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| // amfenc API implementation
 | |
| int ff_amf_encode_init(AVCodecContext *avctx)
 | |
| {
 | |
|     int ret;
 | |
| 
 | |
|     if ((ret = amf_load_library(avctx)) == 0) {
 | |
|         if ((ret = amf_init_context(avctx)) == 0) {
 | |
|             if ((ret = amf_init_encoder(avctx)) == 0) {
 | |
|                 return 0;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     ff_amf_encode_close(avctx);
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t *name, AMFBuffer *val)
 | |
| {
 | |
|     AMF_RESULT res;
 | |
|     AMFVariantStruct var;
 | |
|     res = AMFVariantInit(&var);
 | |
|     if (res == AMF_OK) {
 | |
|         AMFGuid guid_AMFInterface = IID_AMFInterface();
 | |
|         AMFInterface *amf_interface;
 | |
|         res = val->pVtbl->QueryInterface(val, &guid_AMFInterface, (void**)&amf_interface);
 | |
| 
 | |
|         if (res == AMF_OK) {
 | |
|             res = AMFVariantAssignInterface(&var, amf_interface);
 | |
|             amf_interface->pVtbl->Release(amf_interface);
 | |
|         }
 | |
|         if (res == AMF_OK) {
 | |
|             res = object->pVtbl->SetProperty(object, name, var);
 | |
|         }
 | |
|         AMFVariantClear(&var);
 | |
|     }
 | |
|     return res;
 | |
| }
 | |
| 
 | |
| static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)
 | |
| {
 | |
|     AMF_RESULT res;
 | |
|     AMFVariantStruct var;
 | |
|     res = AMFVariantInit(&var);
 | |
|     if (res == AMF_OK) {
 | |
|         res = object->pVtbl->GetProperty(object, name, &var);
 | |
|         if (res == AMF_OK) {
 | |
|             if (var.type == AMF_VARIANT_INTERFACE) {
 | |
|                 AMFGuid guid_AMFBuffer = IID_AMFBuffer();
 | |
|                 AMFInterface *amf_interface = AMFVariantInterface(&var);
 | |
|                 res = amf_interface->pVtbl->QueryInterface(amf_interface, &guid_AMFBuffer, (void**)val);
 | |
|             } else {
 | |
|                 res = AMF_INVALID_DATA_TYPE;
 | |
|             }
 | |
|         }
 | |
|         AMFVariantClear(&var);
 | |
|     }
 | |
|     return res;
 | |
| }
 | |
| 
 | |
| static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)
 | |
| {
 | |
|     AVFrame *frame_ref;
 | |
|     AMFBuffer *frame_ref_storage_buffer = NULL;
 | |
|     AMF_RESULT res;
 | |
| 
 | |
|     res = context->pVtbl->AllocBuffer(context, AMF_MEMORY_HOST, sizeof(frame_ref), &frame_ref_storage_buffer);
 | |
|     if (res == AMF_OK) {
 | |
|         frame_ref = av_frame_clone(frame);
 | |
|         if (frame_ref) {
 | |
|             memcpy(frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), &frame_ref, sizeof(frame_ref));
 | |
|         } else {
 | |
|             frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
 | |
|             frame_ref_storage_buffer = NULL;
 | |
|         }
 | |
|     }
 | |
|     return frame_ref_storage_buffer;
 | |
| }
 | |
| 
 | |
| static void amf_release_buffer_with_frame_ref(AMFBuffer *frame_ref_storage_buffer)
 | |
| {
 | |
|     AVFrame *frame_ref;
 | |
|     memcpy(&frame_ref, frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), sizeof(frame_ref));
 | |
|     av_frame_free(&frame_ref);
 | |
|     frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
 | |
| }
 | |
| 
 | |
| int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
 | |
| {
 | |
|     AmfContext *ctx = avctx->priv_data;
 | |
|     AMFSurface *surface;
 | |
|     AMF_RESULT  res;
 | |
|     int         ret;
 | |
|     AMF_RESULT  res_query;
 | |
|     AMFData    *data = NULL;
 | |
|     AVFrame    *frame = ctx->delayed_frame;
 | |
|     int         block_and_wait;
 | |
| 
 | |
|     if (!ctx->encoder)
 | |
|         return AVERROR(EINVAL);
 | |
| 
 | |
|     if (!frame->buf[0]) {
 | |
|         ret = ff_encode_get_frame(avctx, frame);
 | |
|         if (ret < 0 && ret != AVERROR_EOF)
 | |
|             return ret;
 | |
|     }
 | |
| 
 | |
|     if (!frame->buf[0]) { // submit drain
 | |
|         if (!ctx->eof) { // submit drain one time only
 | |
|             if (ctx->delayed_surface != NULL) {
 | |
|                 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
 | |
|             } else if(!ctx->delayed_drain) {
 | |
|                 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
 | |
|                 if (res == AMF_INPUT_FULL) {
 | |
|                     ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
 | |
|                 } else {
 | |
|                     if (res == AMF_OK) {
 | |
|                         ctx->eof = 1; // drain started
 | |
|                     }
 | |
|                     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Drain() failed with error %d\n", res);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     } else if (!ctx->delayed_surface) { // submit frame
 | |
|         int hw_surface = 0;
 | |
| 
 | |
|         // prepare surface from frame
 | |
|         switch (frame->format) {
 | |
| #if CONFIG_D3D11VA
 | |
|         case AV_PIX_FMT_D3D11:
 | |
|             {
 | |
|                 static const GUID AMFTextureArrayIndexGUID = { 0x28115527, 0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
 | |
|                 ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
 | |
|                 int index = (intptr_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
 | |
| 
 | |
|                 av_assert0(frame->hw_frames_ctx       && ctx->hw_frames_ctx &&
 | |
|                            frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data);
 | |
| 
 | |
|                 texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
 | |
| 
 | |
|                 res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
 | |
|                 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed  with error %d\n", res);
 | |
| 
 | |
|                 hw_surface = 1;
 | |
|             }
 | |
|             break;
 | |
| #endif
 | |
| #if CONFIG_DXVA2
 | |
|         case AV_PIX_FMT_DXVA2_VLD:
 | |
|             {
 | |
|                 IDirect3DSurface9 *texture = (IDirect3DSurface9 *)frame->data[3]; // actual texture
 | |
| 
 | |
|                 res = ctx->context->pVtbl->CreateSurfaceFromDX9Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
 | |
|                 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX9Native() failed  with error %d\n", res);
 | |
| 
 | |
|                 hw_surface = 1;
 | |
|             }
 | |
|             break;
 | |
| #endif
 | |
|         default:
 | |
|             {
 | |
|                 res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
 | |
|                 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "AllocSurface() failed  with error %d\n", res);
 | |
|                 amf_copy_surface(avctx, frame, surface);
 | |
|             }
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         if (hw_surface) {
 | |
|             AMFBuffer *frame_ref_storage_buffer;
 | |
| 
 | |
|             // input HW surfaces can be vertically aligned by 16; tell AMF the real size
 | |
|             surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
 | |
| 
 | |
|             frame_ref_storage_buffer = amf_create_buffer_with_frame_ref(frame, ctx->context);
 | |
|             AMF_RETURN_IF_FALSE(ctx, frame_ref_storage_buffer != NULL, AVERROR(ENOMEM), "create_buffer_with_frame_ref() returned NULL\n");
 | |
| 
 | |
|             res = amf_set_property_buffer(surface, L"av_frame_ref", frame_ref_storage_buffer);
 | |
|             AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SetProperty failed for \"av_frame_ref\" with error %d\n", res);
 | |
|             ctx->hwsurfaces_in_queue++;
 | |
|             frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
 | |
|         }
 | |
| 
 | |
|         surface->pVtbl->SetPts(surface, frame->pts);
 | |
|         AMF_ASSIGN_PROPERTY_INT64(res, surface, PTS_PROP, frame->pts);
 | |
| 
 | |
|         switch (avctx->codec->id) {
 | |
|         case AV_CODEC_ID_H264:
 | |
|             AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_INSERT_AUD, !!ctx->aud);
 | |
|             break;
 | |
|         case AV_CODEC_ID_HEVC:
 | |
|             AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
 | |
|             break;
 | |
|         default:
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         // submit surface
 | |
|         res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
 | |
|         if (res == AMF_INPUT_FULL) { // handle full queue
 | |
|             //store surface for later submission
 | |
|             ctx->delayed_surface = surface;
 | |
|         } else {
 | |
|             int64_t pts = frame->pts;
 | |
|             surface->pVtbl->Release(surface);
 | |
|             AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
 | |
| 
 | |
|             av_frame_unref(frame);
 | |
|             if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
 | |
|                 return ret;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     do {
 | |
|         block_and_wait = 0;
 | |
|         // poll data
 | |
|         res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
 | |
|         if (data) {
 | |
|             // copy data to packet
 | |
|             AMFBuffer* buffer;
 | |
|             AMFGuid guid = IID_AMFBuffer();
 | |
|             data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
 | |
|             ret = amf_copy_buffer(avctx, avpkt, buffer);
 | |
| 
 | |
|             buffer->pVtbl->Release(buffer);
 | |
| 
 | |
|             if (data->pVtbl->HasProperty(data, L"av_frame_ref")) {
 | |
|                 AMFBuffer *frame_ref_storage_buffer;
 | |
|                 res = amf_get_property_buffer(data, L"av_frame_ref", &frame_ref_storage_buffer);
 | |
|                 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetProperty failed for \"av_frame_ref\" with error %d\n", res);
 | |
|                 amf_release_buffer_with_frame_ref(frame_ref_storage_buffer);
 | |
|                 ctx->hwsurfaces_in_queue--;
 | |
|             }
 | |
| 
 | |
|             data->pVtbl->Release(data);
 | |
| 
 | |
|             AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
 | |
| 
 | |
|             if (ctx->delayed_surface != NULL) { // try to resubmit frame
 | |
|                 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
 | |
|                 if (res != AMF_INPUT_FULL) {
 | |
|                     int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
 | |
|                     ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
 | |
|                     ctx->delayed_surface = NULL;
 | |
|                     av_frame_unref(ctx->delayed_frame);
 | |
|                     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res);
 | |
| 
 | |
|                     if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
 | |
|                         return ret;
 | |
|                     }
 | |
|                 } else {
 | |
|                     av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed frame submission got AMF_INPUT_FULL- should not happen\n");
 | |
|                 }
 | |
|             } else if (ctx->delayed_drain) { // try to resubmit drain
 | |
|                 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
 | |
|                 if (res != AMF_INPUT_FULL) {
 | |
|                     ctx->delayed_drain = 0;
 | |
|                     ctx->eof = 1; // drain started
 | |
|                     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated Drain() failed with error %d\n", res);
 | |
|                 } else {
 | |
|                     av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed drain submission got AMF_INPUT_FULL- should not happen\n");
 | |
|                 }
 | |
|             }
 | |
|         } else if (ctx->delayed_surface != NULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max)) {
 | |
|             block_and_wait = 1;
 | |
|             av_usleep(1000); // wait and poll again
 | |
|         }
 | |
|     } while (block_and_wait);
 | |
| 
 | |
|     if (res_query == AMF_EOF) {
 | |
|         ret = AVERROR_EOF;
 | |
|     } else if (data == NULL) {
 | |
|         ret = AVERROR(EAGAIN);
 | |
|     } else {
 | |
|         ret = 0;
 | |
|     }
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[] = {
 | |
| #if CONFIG_D3D11VA
 | |
|     HW_CONFIG_ENCODER_FRAMES(D3D11, D3D11VA),
 | |
|     HW_CONFIG_ENCODER_DEVICE(NONE,  D3D11VA),
 | |
| #endif
 | |
| #if CONFIG_DXVA2
 | |
|     HW_CONFIG_ENCODER_FRAMES(DXVA2_VLD, DXVA2),
 | |
|     HW_CONFIG_ENCODER_DEVICE(NONE,      DXVA2),
 | |
| #endif
 | |
|     NULL,
 | |
| };
 |