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589 lines
18 KiB
589 lines
18 KiB
/* |
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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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|
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#include <windows.h> |
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#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600 |
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#undef _WIN32_WINNT |
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#define _WIN32_WINNT 0x0600 |
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#endif |
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#define DXVA2API_USE_BITFIELDS |
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#define COBJMACROS |
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#include <d3d9.h> |
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#include <dxva2api.h> |
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#include <initguid.h> |
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#include "common.h" |
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#include "hwcontext.h" |
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#include "hwcontext_dxva2.h" |
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#include "hwcontext_internal.h" |
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#include "imgutils.h" |
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#include "pixdesc.h" |
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#include "pixfmt.h" |
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typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT); |
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typedef HRESULT WINAPI pDirect3DCreate9Ex(UINT, IDirect3D9Ex **); |
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typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **); |
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|
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#define FF_D3DCREATE_FLAGS (D3DCREATE_SOFTWARE_VERTEXPROCESSING | \ |
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D3DCREATE_MULTITHREADED | \ |
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D3DCREATE_FPU_PRESERVE) |
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static const D3DPRESENT_PARAMETERS dxva2_present_params = { |
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.Windowed = TRUE, |
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.BackBufferWidth = 640, |
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.BackBufferHeight = 480, |
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.BackBufferCount = 0, |
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.SwapEffect = D3DSWAPEFFECT_DISCARD, |
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.Flags = D3DPRESENTFLAG_VIDEO, |
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}; |
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typedef struct DXVA2Mapping { |
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uint32_t palette_dummy[256]; |
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} DXVA2Mapping; |
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typedef struct DXVA2FramesContext { |
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IDirect3DSurface9 **surfaces_internal; |
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int nb_surfaces_used; |
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HANDLE device_handle; |
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IDirectXVideoAccelerationService *service; |
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D3DFORMAT format; |
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} DXVA2FramesContext; |
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typedef struct DXVA2DevicePriv { |
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HMODULE d3dlib; |
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HMODULE dxva2lib; |
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HANDLE device_handle; |
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IDirect3D9 *d3d9; |
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IDirect3DDevice9 *d3d9device; |
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} DXVA2DevicePriv; |
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static const struct { |
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D3DFORMAT d3d_format; |
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enum AVPixelFormat pix_fmt; |
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} supported_formats[] = { |
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{ MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 }, |
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{ MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 }, |
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{ D3DFMT_P8, AV_PIX_FMT_PAL8 }, |
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}; |
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DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02); |
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DEFINE_GUID(video_processor_service, 0xfc51a552, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02); |
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static void dxva2_frames_uninit(AVHWFramesContext *ctx) |
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{ |
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AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx; |
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AVDXVA2FramesContext *frames_hwctx = ctx->hwctx; |
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DXVA2FramesContext *s = ctx->internal->priv; |
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int i; |
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if (frames_hwctx->decoder_to_release) |
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IDirectXVideoDecoder_Release(frames_hwctx->decoder_to_release); |
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if (s->surfaces_internal) { |
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for (i = 0; i < frames_hwctx->nb_surfaces; i++) { |
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if (s->surfaces_internal[i]) |
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IDirect3DSurface9_Release(s->surfaces_internal[i]); |
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} |
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} |
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av_freep(&s->surfaces_internal); |
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if (s->service) { |
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IDirectXVideoAccelerationService_Release(s->service); |
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s->service = NULL; |
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} |
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if (s->device_handle != INVALID_HANDLE_VALUE) { |
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IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, s->device_handle); |
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s->device_handle = INVALID_HANDLE_VALUE; |
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} |
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} |
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static void dxva2_pool_release_dummy(void *opaque, uint8_t *data) |
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{ |
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// important not to free anything here--data is a surface object |
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// associated with the call to CreateSurface(), and these surfaces are |
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// released in dxva2_frames_uninit() |
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} |
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static AVBufferRef *dxva2_pool_alloc(void *opaque, int size) |
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{ |
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AVHWFramesContext *ctx = (AVHWFramesContext*)opaque; |
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DXVA2FramesContext *s = ctx->internal->priv; |
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AVDXVA2FramesContext *hwctx = ctx->hwctx; |
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if (s->nb_surfaces_used < hwctx->nb_surfaces) { |
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s->nb_surfaces_used++; |
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return av_buffer_create((uint8_t*)s->surfaces_internal[s->nb_surfaces_used - 1], |
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sizeof(*hwctx->surfaces), dxva2_pool_release_dummy, 0, 0); |
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} |
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return NULL; |
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} |
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static int dxva2_init_pool(AVHWFramesContext *ctx) |
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{ |
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AVDXVA2FramesContext *frames_hwctx = ctx->hwctx; |
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AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx; |
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DXVA2FramesContext *s = ctx->internal->priv; |
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int decode = (frames_hwctx->surface_type == DXVA2_VideoDecoderRenderTarget); |
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int i; |
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HRESULT hr; |
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if (ctx->initial_pool_size <= 0) |
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return 0; |
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hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, &s->device_handle); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n"); |
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return AVERROR_UNKNOWN; |
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} |
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hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, |
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s->device_handle, |
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decode ? &video_decoder_service : &video_processor_service, |
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(void **)&s->service); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to create the video service\n"); |
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return AVERROR_UNKNOWN; |
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} |
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) { |
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if (ctx->sw_format == supported_formats[i].pix_fmt) { |
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s->format = supported_formats[i].d3d_format; |
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break; |
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} |
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} |
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if (i == FF_ARRAY_ELEMS(supported_formats)) { |
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av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n", |
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av_get_pix_fmt_name(ctx->sw_format)); |
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return AVERROR(EINVAL); |
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} |
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s->surfaces_internal = av_mallocz_array(ctx->initial_pool_size, |
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sizeof(*s->surfaces_internal)); |
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if (!s->surfaces_internal) |
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return AVERROR(ENOMEM); |
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hr = IDirectXVideoAccelerationService_CreateSurface(s->service, |
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ctx->width, ctx->height, |
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ctx->initial_pool_size - 1, |
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s->format, D3DPOOL_DEFAULT, 0, |
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frames_hwctx->surface_type, |
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s->surfaces_internal, NULL); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Could not create the surfaces\n"); |
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return AVERROR_UNKNOWN; |
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} |
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ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(*s->surfaces_internal), |
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ctx, dxva2_pool_alloc, NULL); |
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if (!ctx->internal->pool_internal) |
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return AVERROR(ENOMEM); |
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frames_hwctx->surfaces = s->surfaces_internal; |
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frames_hwctx->nb_surfaces = ctx->initial_pool_size; |
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return 0; |
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} |
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static int dxva2_frames_init(AVHWFramesContext *ctx) |
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{ |
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AVDXVA2FramesContext *hwctx = ctx->hwctx; |
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DXVA2FramesContext *s = ctx->internal->priv; |
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int ret; |
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if (hwctx->surface_type != DXVA2_VideoDecoderRenderTarget && |
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hwctx->surface_type != DXVA2_VideoProcessorRenderTarget) { |
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av_log(ctx, AV_LOG_ERROR, "Unknown surface type: %lu\n", |
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hwctx->surface_type); |
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return AVERROR(EINVAL); |
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} |
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s->device_handle = INVALID_HANDLE_VALUE; |
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/* init the frame pool if the caller didn't provide one */ |
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if (!ctx->pool) { |
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ret = dxva2_init_pool(ctx); |
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if (ret < 0) { |
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av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n"); |
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return ret; |
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} |
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} |
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return 0; |
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} |
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static int dxva2_get_buffer(AVHWFramesContext *ctx, AVFrame *frame) |
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{ |
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frame->buf[0] = av_buffer_pool_get(ctx->pool); |
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if (!frame->buf[0]) |
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return AVERROR(ENOMEM); |
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frame->data[3] = frame->buf[0]->data; |
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frame->format = AV_PIX_FMT_DXVA2_VLD; |
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frame->width = ctx->width; |
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frame->height = ctx->height; |
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return 0; |
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} |
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static int dxva2_transfer_get_formats(AVHWFramesContext *ctx, |
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enum AVHWFrameTransferDirection dir, |
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enum AVPixelFormat **formats) |
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{ |
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enum AVPixelFormat *fmts; |
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fmts = av_malloc_array(2, sizeof(*fmts)); |
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if (!fmts) |
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return AVERROR(ENOMEM); |
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fmts[0] = ctx->sw_format; |
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fmts[1] = AV_PIX_FMT_NONE; |
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*formats = fmts; |
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return 0; |
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} |
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static void dxva2_unmap_frame(AVHWFramesContext *ctx, HWMapDescriptor *hwmap) |
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{ |
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IDirect3DSurface9 *surface = (IDirect3DSurface9*)hwmap->source->data[3]; |
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IDirect3DSurface9_UnlockRect(surface); |
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av_freep(&hwmap->priv); |
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} |
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static int dxva2_map_frame(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, |
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int flags) |
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{ |
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IDirect3DSurface9 *surface = (IDirect3DSurface9*)src->data[3]; |
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DXVA2Mapping *map; |
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D3DSURFACE_DESC surfaceDesc; |
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D3DLOCKED_RECT LockedRect; |
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HRESULT hr; |
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int i, err, nb_planes; |
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int lock_flags = 0; |
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nb_planes = av_pix_fmt_count_planes(dst->format); |
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hr = IDirect3DSurface9_GetDesc(surface, &surfaceDesc); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Error getting a surface description\n"); |
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return AVERROR_UNKNOWN; |
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} |
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if (!(flags & AV_HWFRAME_MAP_WRITE)) |
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lock_flags |= D3DLOCK_READONLY; |
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if (flags & AV_HWFRAME_MAP_OVERWRITE) |
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lock_flags |= D3DLOCK_DISCARD; |
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hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, lock_flags); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n"); |
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return AVERROR_UNKNOWN; |
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} |
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map = av_mallocz(sizeof(*map)); |
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if (!map) |
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goto fail; |
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err = ff_hwframe_map_create(src->hw_frames_ctx, dst, src, |
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dxva2_unmap_frame, map); |
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if (err < 0) { |
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av_freep(&map); |
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goto fail; |
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} |
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for (i = 0; i < nb_planes; i++) |
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dst->linesize[i] = LockedRect.Pitch; |
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av_image_fill_pointers(dst->data, dst->format, surfaceDesc.Height, |
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(uint8_t*)LockedRect.pBits, dst->linesize); |
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if (dst->format == AV_PIX_FMT_PAL8) |
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dst->data[1] = (uint8_t*)map->palette_dummy; |
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return 0; |
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fail: |
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IDirect3DSurface9_UnlockRect(surface); |
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return err; |
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} |
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static int dxva2_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, |
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const AVFrame *src) |
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{ |
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AVFrame *map; |
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int ret; |
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if (src->format != ctx->sw_format) |
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return AVERROR(ENOSYS); |
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map = av_frame_alloc(); |
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if (!map) |
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return AVERROR(ENOMEM); |
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map->format = dst->format; |
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ret = dxva2_map_frame(ctx, map, dst, AV_HWFRAME_MAP_WRITE | AV_HWFRAME_MAP_OVERWRITE); |
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if (ret < 0) |
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goto fail; |
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av_image_copy(map->data, map->linesize, src->data, src->linesize, |
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ctx->sw_format, src->width, src->height); |
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fail: |
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av_frame_free(&map); |
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return ret; |
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} |
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static int dxva2_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, |
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const AVFrame *src) |
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{ |
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AVFrame *map; |
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ptrdiff_t src_linesize[4], dst_linesize[4]; |
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int ret, i; |
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if (dst->format != ctx->sw_format) |
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return AVERROR(ENOSYS); |
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map = av_frame_alloc(); |
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if (!map) |
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return AVERROR(ENOMEM); |
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map->format = dst->format; |
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ret = dxva2_map_frame(ctx, map, src, AV_HWFRAME_MAP_READ); |
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if (ret < 0) |
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goto fail; |
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for (i = 0; i < 4; i++) { |
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dst_linesize[i] = dst->linesize[i]; |
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src_linesize[i] = map->linesize[i]; |
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} |
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av_image_copy_uc_from(dst->data, dst_linesize, map->data, src_linesize, |
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ctx->sw_format, src->width, src->height); |
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fail: |
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av_frame_free(&map); |
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return ret; |
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} |
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static int dxva2_map_from(AVHWFramesContext *ctx, |
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AVFrame *dst, const AVFrame *src, int flags) |
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{ |
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int err; |
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if (dst->format != AV_PIX_FMT_NONE && dst->format != ctx->sw_format) |
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return AVERROR(ENOSYS); |
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dst->format = ctx->sw_format; |
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err = dxva2_map_frame(ctx, dst, src, flags); |
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if (err < 0) |
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return err; |
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err = av_frame_copy_props(dst, src); |
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if (err < 0) |
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return err; |
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return 0; |
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} |
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static void dxva2_device_free(AVHWDeviceContext *ctx) |
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{ |
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AVDXVA2DeviceContext *hwctx = ctx->hwctx; |
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DXVA2DevicePriv *priv = ctx->user_opaque; |
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if (hwctx->devmgr && priv->device_handle != INVALID_HANDLE_VALUE) |
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IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, priv->device_handle); |
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if (hwctx->devmgr) |
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IDirect3DDeviceManager9_Release(hwctx->devmgr); |
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if (priv->d3d9device) |
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IDirect3DDevice9_Release(priv->d3d9device); |
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if (priv->d3d9) |
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IDirect3D9_Release(priv->d3d9); |
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if (priv->d3dlib) |
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FreeLibrary(priv->d3dlib); |
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if (priv->dxva2lib) |
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FreeLibrary(priv->dxva2lib); |
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av_freep(&ctx->user_opaque); |
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} |
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static int dxva2_device_create9(AVHWDeviceContext *ctx, UINT adapter) |
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{ |
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DXVA2DevicePriv *priv = ctx->user_opaque; |
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D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params; |
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D3DDISPLAYMODE d3ddm; |
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HRESULT hr; |
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pDirect3DCreate9 *createD3D = (pDirect3DCreate9 *)GetProcAddress(priv->d3dlib, "Direct3DCreate9"); |
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if (!createD3D) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to locate Direct3DCreate9\n"); |
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return AVERROR_UNKNOWN; |
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} |
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priv->d3d9 = createD3D(D3D_SDK_VERSION); |
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if (!priv->d3d9) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to create IDirect3D object\n"); |
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return AVERROR_UNKNOWN; |
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} |
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IDirect3D9_GetAdapterDisplayMode(priv->d3d9, adapter, &d3ddm); |
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d3dpp.BackBufferFormat = d3ddm.Format; |
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hr = IDirect3D9_CreateDevice(priv->d3d9, adapter, D3DDEVTYPE_HAL, GetShellWindow(), |
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FF_D3DCREATE_FLAGS, |
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&d3dpp, &priv->d3d9device); |
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if (FAILED(hr)) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device\n"); |
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return AVERROR_UNKNOWN; |
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} |
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return 0; |
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} |
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static int dxva2_device_create9ex(AVHWDeviceContext *ctx, UINT adapter) |
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{ |
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DXVA2DevicePriv *priv = ctx->user_opaque; |
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D3DPRESENT_PARAMETERS d3dpp = dxva2_present_params; |
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D3DDISPLAYMODEEX modeex = {0}; |
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IDirect3D9Ex *d3d9ex = NULL; |
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IDirect3DDevice9Ex *exdev = NULL; |
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HRESULT hr; |
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pDirect3DCreate9Ex *createD3DEx = (pDirect3DCreate9Ex *)GetProcAddress(priv->d3dlib, "Direct3DCreate9Ex"); |
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if (!createD3DEx) |
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return AVERROR(ENOSYS); |
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hr = createD3DEx(D3D_SDK_VERSION, &d3d9ex); |
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if (FAILED(hr)) |
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return AVERROR_UNKNOWN; |
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IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL); |
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|
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d3dpp.BackBufferFormat = modeex.Format; |
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|
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hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, adapter, D3DDEVTYPE_HAL, GetShellWindow(), |
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FF_D3DCREATE_FLAGS, |
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&d3dpp, NULL, &exdev); |
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if (FAILED(hr)) { |
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IDirect3D9Ex_Release(d3d9ex); |
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return AVERROR_UNKNOWN; |
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} |
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av_log(ctx, AV_LOG_VERBOSE, "Using D3D9Ex device.\n"); |
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priv->d3d9 = (IDirect3D9 *)d3d9ex; |
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priv->d3d9device = (IDirect3DDevice9 *)exdev; |
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return 0; |
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} |
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static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device, |
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AVDictionary *opts, int flags) |
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{ |
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AVDXVA2DeviceContext *hwctx = ctx->hwctx; |
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DXVA2DevicePriv *priv; |
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pCreateDeviceManager9 *createDeviceManager = NULL; |
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unsigned resetToken = 0; |
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UINT adapter = D3DADAPTER_DEFAULT; |
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HRESULT hr; |
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int err; |
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|
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if (device) |
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adapter = atoi(device); |
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|
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priv = av_mallocz(sizeof(*priv)); |
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if (!priv) |
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return AVERROR(ENOMEM); |
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|
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ctx->user_opaque = priv; |
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ctx->free = dxva2_device_free; |
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|
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priv->device_handle = INVALID_HANDLE_VALUE; |
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|
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priv->d3dlib = LoadLibrary("d3d9.dll"); |
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if (!priv->d3dlib) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to load D3D9 library\n"); |
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return AVERROR_UNKNOWN; |
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} |
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priv->dxva2lib = LoadLibrary("dxva2.dll"); |
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if (!priv->dxva2lib) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to load DXVA2 library\n"); |
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return AVERROR_UNKNOWN; |
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} |
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|
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createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(priv->dxva2lib, |
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"DXVA2CreateDirect3DDeviceManager9"); |
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if (!createDeviceManager) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n"); |
|
return AVERROR_UNKNOWN; |
|
} |
|
|
|
if (dxva2_device_create9ex(ctx, adapter) < 0) { |
|
// Retry with "classic" d3d9 |
|
err = dxva2_device_create9(ctx, adapter); |
|
if (err < 0) |
|
return err; |
|
} |
|
|
|
hr = createDeviceManager(&resetToken, &hwctx->devmgr); |
|
if (FAILED(hr)) { |
|
av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device manager\n"); |
|
return AVERROR_UNKNOWN; |
|
} |
|
|
|
hr = IDirect3DDeviceManager9_ResetDevice(hwctx->devmgr, priv->d3d9device, resetToken); |
|
if (FAILED(hr)) { |
|
av_log(ctx, AV_LOG_ERROR, "Failed to bind Direct3D device to device manager\n"); |
|
return AVERROR_UNKNOWN; |
|
} |
|
|
|
hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &priv->device_handle); |
|
if (FAILED(hr)) { |
|
av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n"); |
|
return AVERROR_UNKNOWN; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
const HWContextType ff_hwcontext_type_dxva2 = { |
|
.type = AV_HWDEVICE_TYPE_DXVA2, |
|
.name = "DXVA2", |
|
|
|
.device_hwctx_size = sizeof(AVDXVA2DeviceContext), |
|
.frames_hwctx_size = sizeof(AVDXVA2FramesContext), |
|
.frames_priv_size = sizeof(DXVA2FramesContext), |
|
|
|
.device_create = dxva2_device_create, |
|
.frames_init = dxva2_frames_init, |
|
.frames_uninit = dxva2_frames_uninit, |
|
.frames_get_buffer = dxva2_get_buffer, |
|
.transfer_get_formats = dxva2_transfer_get_formats, |
|
.transfer_data_to = dxva2_transfer_data_to, |
|
.transfer_data_from = dxva2_transfer_data_from, |
|
.map_from = dxva2_map_from, |
|
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_NONE }, |
|
};
|
|
|