コード例 #1
0
ファイル: d3d11va.c プロジェクト: DZW314/mpv
static int d3d11va_init_decoder(struct lavc_ctx *s, int w, int h)
{
    HRESULT hr;
    int ret = -1;
    struct priv *p = s->hwdec_priv;
    TA_FREEP(&p->decoder);

    ID3D11Texture2D *texture = NULL;
    void *tmp = talloc_new(NULL);

    UINT n_guids = ID3D11VideoDevice_GetVideoDecoderProfileCount(p->video_dev);
    GUID *device_guids = talloc_array(tmp, GUID, n_guids);
    for (UINT i = 0; i < n_guids; i++) {
        GUID *guid = &device_guids[i];
        hr = ID3D11VideoDevice_GetVideoDecoderProfile(p->video_dev, i, guid);
        if (FAILED(hr)) {
            MP_ERR(p, "Failed to get VideoDecoderProfile %d: %s\n",
                   i, mp_HRESULT_to_str(hr));
            goto done;
        }
        dump_decoder_info(s, guid);
    }

    struct d3d_decoder_fmt fmt =
        d3d_select_decoder_mode(s, device_guids, n_guids,
                                d3d11_formats, MP_ARRAY_SIZE(d3d11_formats),
                                d3d11_format_supported);
    if (!fmt.format) {
        MP_ERR(p, "Failed to find a suitable decoder\n");
        goto done;
    }

    struct d3d11va_decoder *decoder = talloc_zero(tmp, struct d3d11va_decoder);
    talloc_set_destructor(decoder, d3d11va_destroy_decoder);
    decoder->mpfmt_decoded = fmt.format->mpfmt;

    int n_surfaces = hwdec_get_max_refs(s) + ADDITIONAL_SURFACES;
    int w_align = w, h_align = h;
    d3d_surface_align(s, &w_align, &h_align);

    D3D11_TEXTURE2D_DESC tex_desc = {
        .Width            = w_align,
        .Height           = h_align,
        .MipLevels        = 1,
        .Format           = fmt.format->dxfmt,
        .SampleDesc.Count = 1,
        .MiscFlags        = 0,
        .ArraySize        = n_surfaces,
        .Usage            = D3D11_USAGE_DEFAULT,
        .BindFlags        = D3D11_BIND_DECODER | D3D11_BIND_SHADER_RESOURCE,
        .CPUAccessFlags   = 0,
    };
    hr = ID3D11Device_CreateTexture2D(p->device, &tex_desc, NULL, &texture);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create Direct3D11 texture with %d surfaces: %s\n",
               n_surfaces, mp_HRESULT_to_str(hr));
        goto done;
    }

    if (s->hwdec->type == HWDEC_D3D11VA_COPY) {
        // create staging texture shared with the CPU with mostly the same
        // parameters as the above decoder-bound texture
        ID3D11Texture2D_GetDesc(texture, &tex_desc);
        tex_desc.MipLevels      = 1;
        tex_desc.MiscFlags      = 0;
        tex_desc.ArraySize      = 1;
        tex_desc.Usage          = D3D11_USAGE_STAGING;
        tex_desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
        tex_desc.BindFlags      = 0;
        hr = ID3D11Device_CreateTexture2D(p->device, &tex_desc, NULL,
                                          &decoder->staging);
        if (FAILED(hr)) {
            MP_ERR(p, "Failed to create staging texture: %s\n",
                   mp_HRESULT_to_str(hr));
            goto done;
        }
    }

    // pool to hold the mp_image wrapped surfaces
    decoder->pool = talloc_steal(decoder, mp_image_pool_new(n_surfaces));
    // array of the same surfaces (needed by ffmpeg)
    ID3D11VideoDecoderOutputView **surfaces =
        talloc_array_ptrtype(decoder->pool, surfaces, n_surfaces);

    D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc = {
        .DecodeProfile = *fmt.guid,
        .ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D,
    };
    for (int i = 0; i < n_surfaces; i++) {
        ID3D11VideoDecoderOutputView **surface = &surfaces[i];
        view_desc.Texture2D.ArraySlice = i;
        hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(
            p->video_dev, (ID3D11Resource *)texture, &view_desc, surface);
        if (FAILED(hr)) {
            MP_ERR(p, "Failed getting decoder output view %d: %s\n",
                   i, mp_HRESULT_to_str(hr));
            goto done;
        }
        struct mp_image *img = d3d11va_new_ref(*surface, w, h);
        ID3D11VideoDecoderOutputView_Release(*surface); // transferred to img
        if (!img) {
            MP_ERR(p, "Failed to create D3D11VA image %d\n", i);
            goto done;
        }
        mp_image_pool_add(decoder->pool, img); // transferred to pool
    }

    D3D11_VIDEO_DECODER_DESC decoder_desc = {
        .Guid         = *fmt.guid,
        .SampleWidth  = w,
        .SampleHeight = h,
        .OutputFormat = fmt.format->dxfmt,
    };
    UINT n_cfg;
    hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(p->video_dev,
                                                      &decoder_desc, &n_cfg);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to get number of decoder configurations: %s)",
               mp_HRESULT_to_str(hr));
        goto done;
    }

    // pick the config with the highest score
    D3D11_VIDEO_DECODER_CONFIG *decoder_config =
        talloc_zero(decoder, D3D11_VIDEO_DECODER_CONFIG);
    unsigned max_score = 0;
    for (UINT i = 0; i < n_cfg; i++) {
        D3D11_VIDEO_DECODER_CONFIG cfg;
        hr = ID3D11VideoDevice_GetVideoDecoderConfig(p->video_dev,
                                                     &decoder_desc,
                                                     i, &cfg);
        if (FAILED(hr)) {
            MP_ERR(p, "Failed to get decoder config %d: %s\n",
                   i, mp_HRESULT_to_str(hr));
            goto done;
        }
        unsigned score = d3d_decoder_config_score(
            s, &cfg.guidConfigBitstreamEncryption, cfg.ConfigBitstreamRaw);
        if (score > max_score) {
            max_score       = score;
            *decoder_config = cfg;
        }
    }
    if (!max_score) {
        MP_ERR(p, "Failed to find a suitable decoder configuration\n");
        goto done;
    }

    hr = ID3D11VideoDevice_CreateVideoDecoder(p->video_dev, &decoder_desc,
                                              decoder_config,
                                              &decoder->decoder);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create video decoder: %s\n",
               mp_HRESULT_to_str(hr));
        goto done;
    }

    struct AVD3D11VAContext *avd3d11va_ctx = s->avctx->hwaccel_context;
    avd3d11va_ctx->decoder       = decoder->decoder;
    avd3d11va_ctx->video_context = p->video_ctx;
    avd3d11va_ctx->cfg           = decoder_config;
    avd3d11va_ctx->surface_count = n_surfaces;
    avd3d11va_ctx->surface       = surfaces;
    avd3d11va_ctx->workaround    = is_clearvideo(fmt.guid) ?
                                   FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO : 0;

    p->decoder = talloc_steal(NULL, decoder);
    ret = 0;
done:
    // still referenced by pool images / surfaces
    if (texture)
        ID3D11Texture2D_Release(texture);

    talloc_free(tmp);
    return ret;
}

static void destroy_device(struct lavc_ctx *s)
{
    struct priv *p = s->hwdec_priv;

    if (p->device)
        ID3D11Device_Release(p->device);

    if (p->device_ctx)
        ID3D11DeviceContext_Release(p->device_ctx);
}

static bool create_device(struct lavc_ctx *s, BOOL thread_safe)
{
    HRESULT hr;
    struct priv *p = s->hwdec_priv;

    d3d_load_dlls();
    if (!d3d11_dll) {
        MP_ERR(p, "Failed to load D3D11 library\n");
        return false;
    }

    PFN_D3D11_CREATE_DEVICE CreateDevice =
        (void *)GetProcAddress(d3d11_dll, "D3D11CreateDevice");
    if (!CreateDevice) {
        MP_ERR(p, "Failed to get D3D11CreateDevice symbol from DLL: %s\n",
               mp_LastError_to_str());
        return false;
    }

    hr = CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
                      D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
                      D3D11_SDK_VERSION, &p->device, NULL, &p->device_ctx);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create D3D11 Device: %s\n",
               mp_HRESULT_to_str(hr));
        return false;
    }

    ID3D10Multithread *multithread;
    hr = ID3D11Device_QueryInterface(p->device, &IID_ID3D10Multithread,
                                     (void **)&multithread);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to get Multithread interface: %s\n",
               mp_HRESULT_to_str(hr));
        return false;
    }
    ID3D10Multithread_SetMultithreadProtected(multithread, thread_safe);
    ID3D10Multithread_Release(multithread);
    return true;
}

static void d3d11va_uninit(struct lavc_ctx *s)
{
    struct priv *p = s->hwdec_priv;
    if (!p)
        return;

    talloc_free(p->decoder);
    av_freep(&s->avctx->hwaccel_context);

    if (p->video_dev)
        ID3D11VideoDevice_Release(p->video_dev);

    if (p->video_ctx)
        ID3D11VideoContext_Release(p->video_ctx);

    destroy_device(s);

    TA_FREEP(&s->hwdec_priv);
}

static int d3d11va_init(struct lavc_ctx *s)
{
    HRESULT hr;
    struct priv *p = talloc_zero(NULL, struct priv);
    if (!p)
        return -1;

    s->hwdec_priv = p;
    p->log = mp_log_new(s, s->log, "d3d11va");
    if (s->hwdec->type == HWDEC_D3D11VA_COPY) {
        mp_check_gpu_memcpy(p->log, NULL);
        p->sw_pool = talloc_steal(p, mp_image_pool_new(17));
    }

    p->device = hwdec_devices_load(s->hwdec_devs, s->hwdec->type);
    if (p->device) {
        ID3D11Device_AddRef(p->device);
        ID3D11Device_GetImmediateContext(p->device, &p->device_ctx);
        if (!p->device_ctx)
            goto fail;
        MP_VERBOSE(p, "Using VO-supplied device %p.\n", p->device);
    } else if (s->hwdec->type == HWDEC_D3D11VA) {
        MP_ERR(p, "No Direct3D device provided for native d3d11 decoding\n");
        goto fail;
    } else {
        if (!create_device(s, FALSE))
            goto fail;
    }

    hr = ID3D11DeviceContext_QueryInterface(p->device_ctx,
                                            &IID_ID3D11VideoContext,
                                            (void **)&p->video_ctx);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to get VideoContext interface: %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    hr = ID3D11Device_QueryInterface(p->device,
                                     &IID_ID3D11VideoDevice,
                                     (void **)&p->video_dev);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to get VideoDevice interface. %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    s->avctx->hwaccel_context = av_d3d11va_alloc_context();
    if (!s->avctx->hwaccel_context) {
        MP_ERR(p, "Failed to allocate hwaccel_context\n");
        goto fail;
    }

    return 0;
fail:
    d3d11va_uninit(s);
    return -1;
}

static int d3d11va_probe(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
                         const char *codec)
{
    // d3d11va-copy can do without external context; dxva2 requires it.
    if (hwdec->type != HWDEC_D3D11VA_COPY) {
        if (!hwdec_devices_load(ctx->hwdec_devs, HWDEC_D3D11VA))
            return HWDEC_ERR_NO_CTX;
    }
    return d3d_probe_codec(codec);
}

const struct vd_lavc_hwdec mp_vd_lavc_d3d11va = {
    .type           = HWDEC_D3D11VA,
    .image_format   = IMGFMT_D3D11VA,
    .probe          = d3d11va_probe,
    .init           = d3d11va_init,
    .uninit         = d3d11va_uninit,
    .init_decoder   = d3d11va_init_decoder,
    .allocate_image = d3d11va_allocate_image,
    .process_image  = d3d11va_update_image_attribs,
};

const struct vd_lavc_hwdec mp_vd_lavc_d3d11va_copy = {
    .type           = HWDEC_D3D11VA_COPY,
    .copying        = true,
    .image_format   = IMGFMT_D3D11VA,
    .probe          = d3d11va_probe,
    .init           = d3d11va_init,
    .uninit         = d3d11va_uninit,
    .init_decoder   = d3d11va_init_decoder,
    .allocate_image = d3d11va_allocate_image,
    .process_image  = d3d11va_retrieve_image,
    .delay_queue    = HWDEC_DELAY_QUEUE_COUNT,
};
コード例 #2
0
ファイル: hwdec_dxva2gldx.c プロジェクト: wiiaboo/mpv
static int init(struct ra_hwdec *hw)
{
    struct priv_owner *p = hw->priv;

    if (!ra_is_gl(hw->ra))
        return -1;
    GL *gl = ra_gl_get(hw->ra);
    if (!(gl->mpgl_caps & MPGL_CAP_DXINTEROP))
        return -1;

    // AMD drivers won't open multiple dxinterop HANDLES on the same D3D device,
    // so we request the one already in use by context_dxinterop
    p->device_h = mpgl_get_native_display(gl, "dxinterop_device_HANDLE");
    if (!p->device_h)
        return -1;

    // But we also still need the actual D3D device
    p->device = mpgl_get_native_display(gl, "IDirect3DDevice9Ex");
    if (!p->device)
        return -1;
    IDirect3DDevice9Ex_AddRef(p->device);

    p->hwctx = (struct mp_hwdec_ctx){
        .driver_name = hw->driver->name,
        .av_device_ref = d3d9_wrap_device_ref((IDirect3DDevice9 *)p->device),
    };
    hwdec_devices_add(hw->devs, &p->hwctx);
    return 0;
}

static void mapper_uninit(struct ra_hwdec_mapper *mapper)
{
    struct priv *p = mapper->priv;
    GL *gl = ra_gl_get(mapper->ra);

    if (p->rtarget_h && p->device_h) {
        if (!gl->DXUnlockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
            MP_ERR(mapper, "Failed unlocking texture for access by OpenGL: %s\n",
                   mp_LastError_to_str());
        }
    }

    if (p->rtarget_h) {
        if (!gl->DXUnregisterObjectNV(p->device_h, p->rtarget_h)) {
            MP_ERR(mapper, "Failed to unregister Direct3D surface with OpenGL: %s\n",
                   mp_LastError_to_str());
        } else {
            p->rtarget_h = 0;
        }
    }

    gl->DeleteTextures(1, &p->texture);
    p->texture = 0;

    if (p->rtarget) {
        IDirect3DSurface9_Release(p->rtarget);
        p->rtarget = NULL;
    }

    ra_tex_free(mapper->ra, &mapper->tex[0]);
}

static int mapper_init(struct ra_hwdec_mapper *mapper)
{
    struct priv_owner *p_owner = mapper->owner->priv;
    struct priv *p = mapper->priv;
    GL *gl = ra_gl_get(mapper->ra);
    HRESULT hr;

    p->device = p_owner->device;
    p->device_h = p_owner->device_h;

    HANDLE share_handle = NULL;
    hr = IDirect3DDevice9Ex_CreateRenderTarget(
        p->device,
        mapper->src_params.w, mapper->src_params.h,
        SHARED_SURFACE_D3DFMT, D3DMULTISAMPLE_NONE, 0, FALSE,
        &p->rtarget, &share_handle);
    if (FAILED(hr)) {
        MP_ERR(mapper, "Failed creating offscreen Direct3D surface: %s\n",
               mp_HRESULT_to_str(hr));
        return -1;
    }

    if (share_handle &&
        !gl->DXSetResourceShareHandleNV(p->rtarget, share_handle)) {
        MP_ERR(mapper, "Failed setting Direct3D/OpenGL share handle for surface: %s\n",
               mp_LastError_to_str());
        return -1;
    }

    gl->GenTextures(1, &p->texture);
    gl->BindTexture(GL_TEXTURE_2D, p->texture);
    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
    gl->BindTexture(GL_TEXTURE_2D, 0);

    p->rtarget_h = gl->DXRegisterObjectNV(p->device_h, p->rtarget, p->texture,
                                          GL_TEXTURE_2D,
                                          WGL_ACCESS_READ_ONLY_NV);
    if (!p->rtarget_h) {
        MP_ERR(mapper, "Failed to register Direct3D surface with OpenGL: %s\n",
               mp_LastError_to_str());
        return -1;
    }

    if (!gl->DXLockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
        MP_ERR(mapper, "Failed locking texture for access by OpenGL %s\n",
               mp_LastError_to_str());
        return -1;
    }

    struct ra_tex_params params = {
        .dimensions = 2,
        .w = mapper->src_params.w,
        .h = mapper->src_params.h,
        .d = 1,
        .format = ra_find_unorm_format(mapper->ra, 1, 4),
        .render_src = true,
        .src_linear = true,
    };
    if (!params.format)
        return -1;

    mapper->tex[0] = ra_create_wrapped_tex(mapper->ra, &params, p->texture);
    if (!mapper->tex[0])
        return -1;

    mapper->dst_params = mapper->src_params;
    mapper->dst_params.imgfmt = IMGFMT_RGB0;
    mapper->dst_params.hw_subfmt = 0;

    return 0;
}

static int mapper_map(struct ra_hwdec_mapper *mapper)
{
    struct priv *p = mapper->priv;
    GL *gl = ra_gl_get(mapper->ra);
    HRESULT hr;

    if (!gl->DXUnlockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
        MP_ERR(mapper, "Failed unlocking texture for access by OpenGL: %s\n",
               mp_LastError_to_str());
        return -1;
    }

    IDirect3DSurface9* hw_surface = (IDirect3DSurface9 *)mapper->src->planes[3];
    RECT rc = {0, 0, mapper->src->w, mapper->src->h};
    hr = IDirect3DDevice9Ex_StretchRect(p->device,
                                        hw_surface, &rc,
                                        p->rtarget, &rc,
                                        D3DTEXF_NONE);
    if (FAILED(hr)) {
        MP_ERR(mapper, "Direct3D RGB conversion failed: %s", mp_HRESULT_to_str(hr));
        return -1;
    }

    if (!gl->DXLockObjectsNV(p->device_h, 1, &p->rtarget_h)) {
        MP_ERR(mapper, "Failed locking texture for access by OpenGL: %s\n",
               mp_LastError_to_str());
        return -1;
    }

    return 0;
}

const struct ra_hwdec_driver ra_hwdec_dxva2gldx = {
    .name = "dxva2-dxinterop",
    .priv_size = sizeof(struct priv_owner),
    .imgfmts = {IMGFMT_DXVA2, 0},
    .init = init,
    .uninit = uninit,
    .mapper = &(const struct ra_hwdec_mapper_driver){
        .priv_size = sizeof(struct priv),
        .init = mapper_init,
        .uninit = mapper_uninit,
        .map = mapper_map,
    },
};