123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446 |
- /*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include <windows.h>
- #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600
- #undef _WIN32_WINNT
- #define _WIN32_WINNT 0x0600
- #endif
- #define DXVA2API_USE_BITFIELDS
- #define COBJMACROS
- #include <d3d9.h>
- #include <dxva2api.h>
- #include <initguid.h>
- #include "avassert.h"
- #include "common.h"
- #include "hwcontext.h"
- #include "hwcontext_dxva2.h"
- #include "hwcontext_internal.h"
- #include "imgutils.h"
- #include "pixdesc.h"
- #include "pixfmt.h"
- typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
- typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
- typedef struct DXVA2FramesContext {
- IDirect3DSurface9 **surfaces_internal;
- int nb_surfaces_used;
- HANDLE device_handle;
- IDirectXVideoAccelerationService *service;
- D3DFORMAT format;
- } DXVA2FramesContext;
- typedef struct DXVA2DevicePriv {
- HMODULE d3dlib;
- HMODULE dxva2lib;
- HANDLE device_handle;
- IDirect3D9 *d3d9;
- IDirect3DDevice9 *d3d9device;
- } DXVA2DevicePriv;
- static const struct {
- D3DFORMAT d3d_format;
- enum AVPixelFormat pix_fmt;
- } supported_formats[] = {
- { MKTAG('N', 'V', '1', '2'), AV_PIX_FMT_NV12 },
- { MKTAG('P', '0', '1', '0'), AV_PIX_FMT_P010 },
- };
- DEFINE_GUID(video_decoder_service, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
- DEFINE_GUID(video_processor_service, 0xfc51a552, 0xd5e7, 0x11d9, 0xaf, 0x55, 0x00, 0x05, 0x4e, 0x43, 0xff, 0x02);
- static void dxva2_frames_uninit(AVHWFramesContext *ctx)
- {
- AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
- AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
- DXVA2FramesContext *s = ctx->internal->priv;
- int i;
- if (frames_hwctx->decoder_to_release)
- IDirectXVideoDecoder_Release(frames_hwctx->decoder_to_release);
- if (s->surfaces_internal) {
- for (i = 0; i < frames_hwctx->nb_surfaces; i++) {
- if (s->surfaces_internal[i])
- IDirect3DSurface9_Release(s->surfaces_internal[i]);
- }
- }
- av_freep(&s->surfaces_internal);
- if (s->service) {
- IDirectXVideoAccelerationService_Release(s->service);
- s->service = NULL;
- }
- if (s->device_handle != INVALID_HANDLE_VALUE) {
- IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, s->device_handle);
- s->device_handle = INVALID_HANDLE_VALUE;
- }
- }
- static void dxva2_pool_release_dummy(void *opaque, uint8_t *data)
- {
- // important not to free anything here--data is a surface object
- // associated with the call to CreateSurface(), and these surfaces are
- // released in dxva2_frames_uninit()
- }
- static AVBufferRef *dxva2_pool_alloc(void *opaque, int size)
- {
- AVHWFramesContext *ctx = (AVHWFramesContext*)opaque;
- DXVA2FramesContext *s = ctx->internal->priv;
- AVDXVA2FramesContext *hwctx = ctx->hwctx;
- if (s->nb_surfaces_used < hwctx->nb_surfaces) {
- s->nb_surfaces_used++;
- return av_buffer_create((uint8_t*)s->surfaces_internal[s->nb_surfaces_used - 1],
- sizeof(*hwctx->surfaces), dxva2_pool_release_dummy, 0, 0);
- }
- return NULL;
- }
- static int dxva2_init_pool(AVHWFramesContext *ctx)
- {
- AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
- AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
- DXVA2FramesContext *s = ctx->internal->priv;
- int decode = (frames_hwctx->surface_type == DXVA2_VideoDecoderRenderTarget);
- int i;
- HRESULT hr;
- if (ctx->initial_pool_size <= 0)
- return 0;
- hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr, &s->device_handle);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
- return AVERROR_UNKNOWN;
- }
- hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr,
- s->device_handle,
- decode ? &video_decoder_service : &video_processor_service,
- (void **)&s->service);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Failed to create the video service\n");
- return AVERROR_UNKNOWN;
- }
- for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
- if (ctx->sw_format == supported_formats[i].pix_fmt) {
- s->format = supported_formats[i].d3d_format;
- break;
- }
- }
- if (i == FF_ARRAY_ELEMS(supported_formats)) {
- av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n",
- av_get_pix_fmt_name(ctx->sw_format));
- return AVERROR(EINVAL);
- }
- s->surfaces_internal = av_mallocz_array(ctx->initial_pool_size,
- sizeof(*s->surfaces_internal));
- if (!s->surfaces_internal)
- return AVERROR(ENOMEM);
- hr = IDirectXVideoAccelerationService_CreateSurface(s->service,
- ctx->width, ctx->height,
- ctx->initial_pool_size - 1,
- s->format, D3DPOOL_DEFAULT, 0,
- frames_hwctx->surface_type,
- s->surfaces_internal, NULL);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Could not create the surfaces\n");
- return AVERROR_UNKNOWN;
- }
- ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(*s->surfaces_internal),
- ctx, dxva2_pool_alloc, NULL);
- if (!ctx->internal->pool_internal)
- return AVERROR(ENOMEM);
- frames_hwctx->surfaces = s->surfaces_internal;
- frames_hwctx->nb_surfaces = ctx->initial_pool_size;
- return 0;
- }
- static int dxva2_frames_init(AVHWFramesContext *ctx)
- {
- AVDXVA2FramesContext *hwctx = ctx->hwctx;
- DXVA2FramesContext *s = ctx->internal->priv;
- int ret;
- if (hwctx->surface_type != DXVA2_VideoDecoderRenderTarget &&
- hwctx->surface_type != DXVA2_VideoProcessorRenderTarget) {
- av_log(ctx, AV_LOG_ERROR, "Unknown surface type: %lu\n",
- hwctx->surface_type);
- return AVERROR(EINVAL);
- }
- s->device_handle = INVALID_HANDLE_VALUE;
- /* init the frame pool if the caller didn't provide one */
- if (!ctx->pool) {
- ret = dxva2_init_pool(ctx);
- if (ret < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n");
- return ret;
- }
- }
- return 0;
- }
- static int dxva2_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
- {
- frame->buf[0] = av_buffer_pool_get(ctx->pool);
- if (!frame->buf[0])
- return AVERROR(ENOMEM);
- frame->data[3] = frame->buf[0]->data;
- frame->format = AV_PIX_FMT_DXVA2_VLD;
- frame->width = ctx->width;
- frame->height = ctx->height;
- return 0;
- }
- static int dxva2_transfer_get_formats(AVHWFramesContext *ctx,
- enum AVHWFrameTransferDirection dir,
- enum AVPixelFormat **formats)
- {
- enum AVPixelFormat *fmts;
- fmts = av_malloc_array(2, sizeof(*fmts));
- if (!fmts)
- return AVERROR(ENOMEM);
- fmts[0] = ctx->sw_format;
- fmts[1] = AV_PIX_FMT_NONE;
- *formats = fmts;
- return 0;
- }
- static int dxva2_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
- const AVFrame *src)
- {
- IDirect3DSurface9 *surface;
- D3DSURFACE_DESC surfaceDesc;
- D3DLOCKED_RECT LockedRect;
- HRESULT hr;
- int download = !!src->hw_frames_ctx;
- int bytes_per_component;
- switch (ctx->sw_format) {
- case AV_PIX_FMT_NV12:
- bytes_per_component = 1;
- break;
- case AV_PIX_FMT_P010:
- bytes_per_component = 2;
- break;
- default:
- av_assert0(0);
- }
- surface = (IDirect3DSurface9*)(download ? src->data[3] : dst->data[3]);
- hr = IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Error getting a surface description\n");
- return AVERROR_UNKNOWN;
- }
- hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL,
- download ? D3DLOCK_READONLY : D3DLOCK_DISCARD);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
- return AVERROR_UNKNOWN;
- }
- if (download) {
- av_image_copy_plane(dst->data[0], dst->linesize[0],
- (uint8_t*)LockedRect.pBits, LockedRect.Pitch,
- src->width * bytes_per_component, src->height);
- av_image_copy_plane(dst->data[1], dst->linesize[1],
- (uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
- LockedRect.Pitch, src->width * bytes_per_component, src->height / 2);
- } else {
- av_image_copy_plane((uint8_t*)LockedRect.pBits, LockedRect.Pitch,
- dst->data[0], dst->linesize[0],
- src->width * bytes_per_component, src->height);
- av_image_copy_plane((uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
- LockedRect.Pitch, dst->data[1], dst->linesize[1],
- src->width * bytes_per_component, src->height / 2);
- }
- IDirect3DSurface9_UnlockRect(surface);
- return 0;
- }
- static void dxva2_device_free(AVHWDeviceContext *ctx)
- {
- AVDXVA2DeviceContext *hwctx = ctx->hwctx;
- DXVA2DevicePriv *priv = ctx->user_opaque;
- if (hwctx->devmgr && priv->device_handle != INVALID_HANDLE_VALUE)
- IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, priv->device_handle);
- if (hwctx->devmgr)
- IDirect3DDeviceManager9_Release(hwctx->devmgr);
- if (priv->d3d9device)
- IDirect3DDevice9_Release(priv->d3d9device);
- if (priv->d3d9)
- IDirect3D9_Release(priv->d3d9);
- if (priv->d3dlib)
- FreeLibrary(priv->d3dlib);
- if (priv->dxva2lib)
- FreeLibrary(priv->dxva2lib);
- av_freep(&ctx->user_opaque);
- }
- static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device,
- AVDictionary *opts, int flags)
- {
- AVDXVA2DeviceContext *hwctx = ctx->hwctx;
- DXVA2DevicePriv *priv;
- pDirect3DCreate9 *createD3D = NULL;
- pCreateDeviceManager9 *createDeviceManager = NULL;
- D3DPRESENT_PARAMETERS d3dpp = {0};
- D3DDISPLAYMODE d3ddm;
- unsigned resetToken = 0;
- UINT adapter = D3DADAPTER_DEFAULT;
- HRESULT hr;
- if (device)
- adapter = atoi(device);
- priv = av_mallocz(sizeof(*priv));
- if (!priv)
- return AVERROR(ENOMEM);
- ctx->user_opaque = priv;
- ctx->free = dxva2_device_free;
- priv->device_handle = INVALID_HANDLE_VALUE;
- priv->d3dlib = LoadLibrary("d3d9.dll");
- if (!priv->d3dlib) {
- av_log(ctx, AV_LOG_ERROR, "Failed to load D3D9 library\n");
- return AVERROR_UNKNOWN;
- }
- priv->dxva2lib = LoadLibrary("dxva2.dll");
- if (!priv->dxva2lib) {
- av_log(ctx, AV_LOG_ERROR, "Failed to load DXVA2 library\n");
- return AVERROR_UNKNOWN;
- }
- createD3D = (pDirect3DCreate9 *)GetProcAddress(priv->d3dlib, "Direct3DCreate9");
- if (!createD3D) {
- av_log(ctx, AV_LOG_ERROR, "Failed to locate Direct3DCreate9\n");
- return AVERROR_UNKNOWN;
- }
- createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(priv->dxva2lib,
- "DXVA2CreateDirect3DDeviceManager9");
- if (!createDeviceManager) {
- av_log(ctx, AV_LOG_ERROR, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
- return AVERROR_UNKNOWN;
- }
- priv->d3d9 = createD3D(D3D_SDK_VERSION);
- if (!priv->d3d9) {
- av_log(ctx, AV_LOG_ERROR, "Failed to create IDirect3D object\n");
- return AVERROR_UNKNOWN;
- }
- IDirect3D9_GetAdapterDisplayMode(priv->d3d9, adapter, &d3ddm);
- d3dpp.Windowed = TRUE;
- d3dpp.BackBufferWidth = 640;
- d3dpp.BackBufferHeight = 480;
- d3dpp.BackBufferCount = 0;
- d3dpp.BackBufferFormat = d3ddm.Format;
- d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
- d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
- hr = IDirect3D9_CreateDevice(priv->d3d9, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
- D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
- &d3dpp, &priv->d3d9device);
- if (FAILED(hr)) {
- av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device\n");
- return AVERROR_UNKNOWN;
- }
- 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,
- .transfer_data_from = dxva2_transfer_data,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_NONE },
- };
|