Beispiel #1
0
static void thread_resume(struct ao *ao)
{
    struct wasapi_state *state = ao->priv;
    HRESULT hr;

    MP_DBG(state, "Thread Resume\n");
    UINT32 padding = 0;
    hr = IAudioClient_GetCurrentPadding(state->pAudioClient, &padding);
    if (hr != S_OK) {
        MP_ERR(state, "IAudioClient_GetCurrentPadding returned %s\n",
               mp_HRESULT_to_str(hr));
    }

    // Fill the buffer before starting, but only if there is no audio queued to
    // play.  This prevents overfilling the buffer, which leads to problems in
    // exclusive mode
    if (padding < (UINT32) state->bufferFrameCount)
        thread_feed(ao);

    // start feeding next wakeup if something else hasn't been requested
    int expected = WASAPI_THREAD_RESUME;
    atomic_compare_exchange_strong(&state->thread_state, &expected,
                                   WASAPI_THREAD_FEED);
    hr = IAudioClient_Start(state->pAudioClient);
    if (hr != S_OK) {
        MP_ERR(state, "IAudioClient_Start returned %s\n",
               mp_HRESULT_to_str(hr));
    }

    return;
}
Beispiel #2
0
static void dump_decoder_info(struct lavc_ctx *s,
                              GUID *device_guids, UINT n_guids)
{
    struct priv *p = s->hwdec_priv;
    MP_VERBOSE(p, "%u decoder devices:\n", (unsigned)n_guids);
    for (UINT i = 0; i < n_guids; i++) {
        GUID *guid = &device_guids[i];
        char *description = d3d_decoder_guid_to_desc(guid);

        D3DFORMAT *formats = NULL;
        UINT     n_formats = 0;
        HRESULT hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(
            p->decoder_service, guid, &n_formats, &formats);
        if (FAILED(hr)) {
            MP_ERR(p, "Failed to get render targets for decoder %s:%s\n",
                   description, mp_HRESULT_to_str(hr));
        }

        char fmts[256] = {0};
        for (UINT j = 0; j < n_formats; j++) {
            mp_snprintf_cat(fmts, sizeof(fmts),
                            " %s", mp_tag_str(formats[j]));
        }
        CoTaskMemFree(formats);

        MP_VERBOSE(p, "%s %s\n", description, fmts);
    }
}
Beispiel #3
0
HRESULT wasapi_change_init(struct ao *ao, bool is_hotplug)
{
    struct wasapi_state *state = ao->priv;
    struct change_notify *change = &state->change;
    HRESULT hr;
    /* COM voodoo to emulate c++ class */
    change->client.lpVtbl = &sIMMDeviceEnumeratorVtbl_vtbl;

    /* register the change notification client */
    hr = IMMDeviceEnumerator_RegisterEndpointNotificationCallback(
        state->pEnumerator, (IMMNotificationClient *)change);
    EXIT_ON_ERROR(hr);

    /* so the callbacks can access the ao */
    change->ao = ao;

    /* whether or not this is the hotplug instance */
    change->is_hotplug = is_hotplug;

    if (is_hotplug) {
        MP_DBG(ao, "Monitoring for hotplug events\n");
    } else {
        /* Get the device string to compare with the pwstrDeviceId */
        hr = IMMDevice_GetId(state->pDevice, &change->monitored);
        EXIT_ON_ERROR(hr);
        MP_VERBOSE(ao, "Monitoring changes in device %S\n", change->monitored);
    }

    return hr;
exit_label:
    MP_ERR(state, "Error setting up device change monitoring: %s\n",
           mp_HRESULT_to_str(hr));
    wasapi_change_uninit(ao);
    return hr;
}
Beispiel #4
0
static HRESULT get_device_delay(struct wasapi_state *state, double *delay) {
    UINT64 sample_count = atomic_load(&state->sample_count);
    UINT64 position, qpc_position;
    HRESULT hr;

    hr = IAudioClock_GetPosition(state->pAudioClock, &position, &qpc_position);
    /* GetPosition succeeded, but the result may be inaccurate due to the length of the call */
    /* http://msdn.microsoft.com/en-us/library/windows/desktop/dd370889%28v=vs.85%29.aspx */
    if (hr == S_FALSE) {
        MP_DBG(state, "Possibly inaccurate device position.\n");
        hr = S_OK;
    }
    EXIT_ON_ERROR(hr);

    LARGE_INTEGER qpc_count;
    QueryPerformanceCounter(&qpc_count);
    double qpc_diff = (qpc_count.QuadPart * 1e7 / state->qpc_frequency.QuadPart) - qpc_position;

    position += state->clock_frequency * (uint64_t) (qpc_diff / 1e7);

    /* convert position to the same base as sample_count */
    position = position * state->format.Format.nSamplesPerSec / state->clock_frequency;

    double diff = sample_count - position;
    *delay = diff / state->format.Format.nSamplesPerSec;

    MP_TRACE(state, "Device delay: %g samples (%g ms)\n", diff, *delay * 1000);

    return S_OK;
exit_label:
    MP_ERR(state, "Error getting device delay: %s\n", mp_HRESULT_to_str(hr));
    return hr;
}
Beispiel #5
0
Datei: dxva2.c Projekt: 2ion/mpv
static DWORD get_dxfmt_cb(struct lavc_ctx *s, const GUID *guid, int depth)
{
    DWORD ret = 0;
    struct priv *p = s->hwdec_priv;
    D3DFORMAT *formats = NULL;
    UINT     n_formats = 0;
    HRESULT hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(
        p->decoder_service, guid, &n_formats, &formats);
    if (FAILED(hr)) {
        MP_ERR(p, "Callback failed to get render targets for decoder %s: %s",
               d3d_decoder_guid_to_desc(guid), mp_HRESULT_to_str(hr));
        return 0;
    }

    for (int i = 0; i < MP_ARRAY_SIZE(d3d9_formats); i++) {
        const struct d3d9_format *d3d9_fmt = &d3d9_formats[i];
        if (d3d9_fmt->depth < depth)
            continue;

        for (UINT j = 0; j < n_formats; j++) {
            if (formats[i] == d3d9_fmt->format) {
                ret = formats[i];
                MP_VERBOSE(p, "Selecting %s %s\n",
                           d3d_decoder_guid_to_desc(guid),
                           mp_tag_str(ret));
                goto done;
            }
        }
    }
done:
    CoTaskMemFree(formats);
    return ret;
}
Beispiel #6
0
static struct mp_image *d3d11va_retrieve_image(struct lavc_ctx *s,
                                               struct mp_image *img)
{
    HRESULT hr;
    struct priv *p = s->hwdec_priv;
    ID3D11Texture2D              *staging = p->decoder->staging;

    if (img->imgfmt != IMGFMT_D3D11VA)
        return img;

    ID3D11Texture2D *texture = (void *)img->planes[1];
    int subindex = (intptr_t)img->planes[2];

    if (!texture) {
        MP_ERR(p, "Failed to get Direct3D texture and surface from mp_image\n");
        return img;
    }

    D3D11_TEXTURE2D_DESC texture_desc;
    ID3D11Texture2D_GetDesc(texture, &texture_desc);
    if (texture_desc.Width < img->w || texture_desc.Height < img->h) {
        MP_ERR(p, "Direct3D11 texture smaller than mp_image dimensions\n");
        return img;
    }

    // copy to the staging texture
    ID3D11DeviceContext_CopySubresourceRegion(
        p->device_ctx,
        (ID3D11Resource *)staging, 0, 0, 0, 0,
        (ID3D11Resource *)texture, subindex, NULL);

    struct mp_image *sw_img = mp_image_pool_get(p->sw_pool,
                                                p->decoder->mpfmt_decoded,
                                                texture_desc.Width,
                                                texture_desc.Height);
    if (!sw_img) {
        MP_ERR(p, "Failed to get %s surface from CPU pool\n",
               mp_imgfmt_to_name(p->decoder->mpfmt_decoded));
        return img;
    }

    // copy staging texture to the cpu mp_image
    D3D11_MAPPED_SUBRESOURCE lock;
    hr = ID3D11DeviceContext_Map(p->device_ctx, (ID3D11Resource *)staging,
                                 0, D3D11_MAP_READ, 0, &lock);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to map D3D11 surface: %s\n", mp_HRESULT_to_str(hr));
        talloc_free(sw_img);
        return img;
    }
    copy_nv12(sw_img, lock.pData, lock.RowPitch, texture_desc.Height);
    ID3D11DeviceContext_Unmap(p->device_ctx, (ID3D11Resource *)staging, 0);

    mp_image_set_size(sw_img, img->w, img->h);
    mp_image_copy_attributes(sw_img, img);
    talloc_free(img);
    return sw_img;
}
Beispiel #7
0
static struct mp_image *d3d11va_retrieve_image(struct lavc_ctx *s,
                                               struct mp_image *img)
{
    HRESULT hr;
    struct priv *p = s->hwdec_priv;
    ID3D11Texture2D              *staging = p->decoder->staging;
    ID3D11Texture2D              *texture = d3d11_texture_in_mp_image(img);
    ID3D11VideoDecoderOutputView *surface = d3d11_surface_in_mp_image(img);

    if (!texture || !surface) {
        MP_ERR(p, "Failed to get Direct3D texture and surface from mp_image\n");
        return img;
    }

    D3D11_TEXTURE2D_DESC texture_desc;
    ID3D11Texture2D_GetDesc(texture, &texture_desc);
    if (texture_desc.Width < img->w || texture_desc.Height < img->h) {
        MP_ERR(p, "Direct3D11 texture smaller than mp_image dimensions\n");
        return img;
    }

    // copy to the staging texture
    D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC surface_desc;
    ID3D11VideoDecoderOutputView_GetDesc(surface, &surface_desc);
    ID3D11DeviceContext_CopySubresourceRegion(
        p->device_ctx,
        (ID3D11Resource *)staging, 0, 0, 0, 0,
        (ID3D11Resource *)texture, surface_desc.Texture2D.ArraySlice, NULL);

    struct mp_image *sw_img = mp_image_pool_get(p->sw_pool,
                                                p->decoder->mpfmt_decoded,
                                                texture_desc.Width,
                                                texture_desc.Height);
    if (!sw_img) {
        MP_ERR(p, "Failed to get %s surface from CPU pool\n",
               mp_imgfmt_to_name(p->decoder->mpfmt_decoded));
        return img;
    }

    // copy staging texture to the cpu mp_image
    D3D11_MAPPED_SUBRESOURCE lock;
    hr = ID3D11DeviceContext_Map(p->device_ctx, (ID3D11Resource *)staging,
                                 0, D3D11_MAP_READ, 0, &lock);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to map D3D11 surface: %s\n", mp_HRESULT_to_str(hr));
        talloc_free(sw_img);
        return img;
    }
    copy_nv12(sw_img, lock.pData, lock.RowPitch, texture_desc.Height);
    ID3D11DeviceContext_Unmap(p->device_ctx, (ID3D11Resource *)staging, 0);

    mp_image_set_size(sw_img, img->w, img->h);
    mp_image_copy_attributes(sw_img, img);
    talloc_free(img);
    return sw_img;
}
Beispiel #8
0
static void thread_reset(struct ao *ao)
{
    struct wasapi_state *state = ao->priv;
    HRESULT hr;
    MP_DBG(state, "Thread Reset\n");
    hr = IAudioClient_Stop(state->pAudioClient);
    /* we may get S_FALSE if the stream is already stopped */
    if (hr != S_OK && hr != S_FALSE)
        MP_ERR(state, "IAudioClient_Stop returned: %s\n", mp_HRESULT_to_str(hr));

    /* we may get S_FALSE if the stream is already reset */
    hr = IAudioClient_Reset(state->pAudioClient);
    if (hr != S_OK && hr != S_FALSE)
        MP_ERR(state, "IAudioClient_Reset returned: %s\n", mp_HRESULT_to_str(hr));

    atomic_store(&state->sample_count, 0);
    // start feeding next wakeup if something else hasn't been requested
    int expected = WASAPI_THREAD_RESET;
    atomic_compare_exchange_strong(&state->thread_state, &expected, WASAPI_THREAD_FEED);
    return;
}
Beispiel #9
0
static bool d3d11_format_supported(struct lavc_ctx *s, const GUID *guid,
                                   const struct d3d_decoded_format *format)
{
    struct priv *p = s->hwdec_priv;
    BOOL is_supported = FALSE;
    HRESULT hr = ID3D11VideoDevice_CheckVideoDecoderFormat(
        p->video_dev, guid, format->dxfmt, &is_supported);
    if (FAILED(hr)) {
        MP_ERR(p, "Check decoder output format %s for decoder %s: %s\n",
               format->name, d3d_decoder_guid_to_desc(guid),
               mp_HRESULT_to_str(hr));
    }
    return is_supported;
}
Beispiel #10
0
static int hotplug_init(struct ao *ao)
{
    MP_DBG(ao, "Hotplug init\n");
    struct wasapi_state *state = ao->priv;
    state->log = ao->log;
    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
    HRESULT hr = wasapi_change_init(ao, true);
    EXIT_ON_ERROR(hr);

    return 0;
    exit_label:
    MP_ERR(state, "Error setting up audio hotplug: %s\n", mp_HRESULT_to_str(hr));
    hotplug_uninit(ao);
    return -1;
}
Beispiel #11
0
static bool try_format_exclusive(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
{
    struct wasapi_state *state = ao->priv;
    MP_VERBOSE(ao, "Trying %s (exclusive)\n",
               waveformat_to_str(&wformat->Format));
    HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
                                                AUDCLNT_SHAREMODE_EXCLUSIVE,
                                                &wformat->Format, NULL);
    if (hr != AUDCLNT_E_UNSUPPORTED_FORMAT)
        EXIT_ON_ERROR(hr);

    return SUCCEEDED(hr);
exit_label:
    MP_ERR(state, "Error testing exclusive format: %s\n", mp_HRESULT_to_str(hr));
    return false;
}
Beispiel #12
0
static void thread_feed(struct ao *ao)
{
    struct wasapi_state *state = ao->priv;
    HRESULT hr;

    UINT32 frame_count = state->bufferFrameCount;

    if (state->share_mode == AUDCLNT_SHAREMODE_SHARED) {
        UINT32 padding = 0;
        hr = IAudioClient_GetCurrentPadding(state->pAudioClient, &padding);
        EXIT_ON_ERROR(hr);

        frame_count -= padding;
        MP_TRACE(ao, "Frame to fill: %"PRIu32". Padding: %"PRIu32"\n",
                 frame_count, padding);
    }
    double delay_us;
    hr = get_device_delay(state, &delay_us);
    EXIT_ON_ERROR(hr);
    // add the buffer delay
    delay_us += frame_count * 1e6 / state->format.Format.nSamplesPerSec;

    BYTE *pData;
    hr = IAudioRenderClient_GetBuffer(state->pRenderClient,
                                      frame_count, &pData);
    EXIT_ON_ERROR(hr);

    BYTE *data[1] = {pData};

    ao_read_data(ao, (void **)data, frame_count,
                 mp_time_us() + (int64_t)llrint(delay_us));

    // note, we can't use ao_read_data return value here since we already
    // commited to frame_count above in the GetBuffer call
    hr = IAudioRenderClient_ReleaseBuffer(state->pRenderClient,
                                          frame_count, 0);
    EXIT_ON_ERROR(hr);

    atomic_fetch_add(&state->sample_count, frame_count);

    return;
exit_label:
    MP_ERR(state, "Error feeding audio: %s\n", mp_HRESULT_to_str(hr));
    MP_VERBOSE(ao, "Requesting ao reload\n");
    ao_request_reload(ao);
    return;
}
Beispiel #13
0
static struct mp_image *dxva2_retrieve_image(struct lavc_ctx *s,
                                             struct mp_image *img)
{
    HRESULT hr;
    struct priv *p = s->hwdec_priv;
    IDirect3DSurface9 *surface = img->imgfmt == IMGFMT_DXVA2 ?
        (IDirect3DSurface9 *)img->planes[3] : NULL;

    if (!surface) {
        MP_ERR(p, "Failed to get Direct3D surface from mp_image\n");
        return img;
    }

    D3DSURFACE_DESC surface_desc;
    IDirect3DSurface9_GetDesc(surface, &surface_desc);
    if (surface_desc.Width < img->w || surface_desc.Height < img->h) {
        MP_ERR(p, "Direct3D11 texture smaller than mp_image dimensions\n");
        return img;
    }

    struct mp_image *sw_img = mp_image_pool_get(p->sw_pool,
                                                p->mpfmt_decoded,
                                                surface_desc.Width,
                                                surface_desc.Height);
    if (!sw_img) {
        MP_ERR(p, "Failed to get %s surface from CPU pool\n",
               mp_imgfmt_to_name(p->mpfmt_decoded));
        return img;
    }

    D3DLOCKED_RECT lock;
    hr = IDirect3DSurface9_LockRect(surface, &lock, NULL, D3DLOCK_READONLY);
    if (FAILED(hr)) {
        MP_ERR(p, "Unable to lock DXVA2 surface: %s\n",
               mp_HRESULT_to_str(hr));
        talloc_free(sw_img);
        return img;
    }
    copy_nv12(sw_img, lock.pBits, lock.Pitch, surface_desc.Height);
    IDirect3DSurface9_UnlockRect(surface);

    mp_image_set_size(sw_img, img->w, img->h);
    mp_image_copy_attributes(sw_img, img);
    talloc_free(img);
    return sw_img;
}
Beispiel #14
0
static int hotplug_init(struct ao *ao)
{
    MP_DBG(ao, "Hotplug init\n");
    struct wasapi_state *state = ao->priv;
    state->log = ao->log;
    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
    HRESULT hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
                                  &IID_IMMDeviceEnumerator, (void **)&state->pEnumerator);
    EXIT_ON_ERROR(hr);
    hr = wasapi_change_init(ao, true);
    EXIT_ON_ERROR(hr);

    return 0;
    exit_label:
    MP_ERR(state, "Error setting up audio hotplug: %s\n", mp_HRESULT_to_str(hr));
    hotplug_uninit(ao);
    return -1;
}
Beispiel #15
0
static HRESULT get_device_delay(struct wasapi_state *state, double *delay_us) {
    UINT64 sample_count = atomic_load(&state->sample_count);
    UINT64 position, qpc_position;
    HRESULT hr;

    hr = IAudioClock_GetPosition(state->pAudioClock, &position, &qpc_position);
    // GetPosition succeeded, but the result may be
    // inaccurate due to the length of the call
    // http://msdn.microsoft.com/en-us/library/windows/desktop/dd370889%28v=vs.85%29.aspx
    if (hr == S_FALSE) {
        MP_VERBOSE(state, "Possibly inaccurate device position.\n");
        hr = S_OK;
    }
    EXIT_ON_ERROR(hr);

    // convert position to number of samples careful to avoid overflow
    UINT64 sample_position = uint64_scale(position,
                                          state->format.Format.nSamplesPerSec,
                                          state->clock_frequency);
    INT64 diff = sample_count - sample_position;
    *delay_us = diff * 1e6 / state->format.Format.nSamplesPerSec;

    // Correct for any delay in IAudioClock_GetPosition above.
    // This should normally be very small (<1 us), but just in case. . .
    LARGE_INTEGER qpc;
    QueryPerformanceCounter(&qpc);
    INT64 qpc_diff = av_rescale(qpc.QuadPart, 10000000, state->qpc_frequency.QuadPart)
                     - qpc_position;
    // ignore the above calculation if it yeilds more than 10 seconds (due to
    // possible overflow inside IAudioClock_GetPosition)
    if (qpc_diff < 10 * 10000000) {
        *delay_us -= qpc_diff / 10.0; // convert to us
    } else {
        MP_VERBOSE(state, "Insane qpc delay correction of %g seconds. "
                   "Ignoring it.\n", qpc_diff / 10000000.0);
    }

    MP_TRACE(state, "Device delay: %g us\n", *delay_us);

    return S_OK;
exit_label:
    MP_ERR(state, "Error getting device delay: %s\n", mp_HRESULT_to_str(hr));
    return hr;
}
Beispiel #16
0
HRESULT wasapi_change_init(struct ao *ao, bool is_hotplug)
{
    struct wasapi_state *state = ao->priv;
    struct change_notify *change = &state->change;
    HRESULT hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
                                  &IID_IMMDeviceEnumerator,
                                  (void **)&change->pEnumerator);
    EXIT_ON_ERROR(hr);

    // COM voodoo to emulate c++ class
    change->client.lpVtbl = &sIMMNotificationClientVtbl;

    // register the change notification client
    hr = IMMDeviceEnumerator_RegisterEndpointNotificationCallback(
        change->pEnumerator, (IMMNotificationClient *)change);
    EXIT_ON_ERROR(hr);

    // so the callbacks can access the ao
    change->ao = ao;

    // whether or not this is the hotplug instance
    change->is_hotplug = is_hotplug;

    if (is_hotplug) {
        MP_DBG(ao, "Monitoring for hotplug events\n");
    } else {
        // Get the device string to compare with the pwstrDeviceId
        change->monitored = state->deviceID;
        MP_VERBOSE(ao, "Monitoring changes in device %S\n", change->monitored);
    }

    return hr;
exit_label:
    MP_ERR(state, "Error setting up device change monitoring: %s\n",
           mp_HRESULT_to_str(hr));
    wasapi_change_uninit(ao);
    return hr;
}
Beispiel #17
0
static bool dxva2_format_supported(struct lavc_ctx *s, const GUID *guid,
                                   const struct d3d_decoded_format *format)
{
    bool ret = false;
    struct priv *p = s->hwdec_priv;
    D3DFORMAT *formats = NULL;
    UINT     n_formats = 0;
    HRESULT hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(
        p->decoder_service, guid, &n_formats, &formats);
    if (FAILED(hr)) {
        MP_ERR(p, "Callback failed to get render targets for decoder %s: %s",
               d3d_decoder_guid_to_desc(guid), mp_HRESULT_to_str(hr));
        return 0;
    }

    for (int i = 0; i < n_formats; i++) {
        ret = formats[i] == format->dxfmt;
        if (ret)
            break;
    }

    CoTaskMemFree(formats);
    return ret;
}
Beispiel #18
0
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,
};
Beispiel #19
0
static int dxva2_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_pool);

    int  n_surfaces = hwdec_get_max_refs(s) + ADDITIONAL_SURFACES;
    IDirect3DSurface9    **surfaces = NULL;
    IDirectXVideoDecoder  *decoder  = NULL;
    void                  *tmp      = talloc_new(NULL);

    UINT n_guids;
    GUID *device_guids;
    hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(
        p->decoder_service, &n_guids, &device_guids);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to retrieve decoder device GUIDs: %s\n",
               mp_HRESULT_to_str(hr));
        goto done;
    }

    dump_decoder_info(s, device_guids, n_guids);

    struct d3d_decoder_fmt fmt =
        d3d_select_decoder_mode(s, device_guids, n_guids,
                                d3d9_formats, MP_ARRAY_SIZE(d3d9_formats),
                                dxva2_format_supported);
    CoTaskMemFree(device_guids);
    if (!fmt.format) {
        MP_ERR(p, "Failed to find a suitable decoder\n");
        goto done;
    }

    p->mpfmt_decoded = fmt.format->mpfmt;
    struct mp_image_pool *decoder_pool =
        talloc_steal(tmp, mp_image_pool_new(n_surfaces));
    DXVA2_ConfigPictureDecode *decoder_config =
        talloc_zero(decoder_pool, DXVA2_ConfigPictureDecode);

    int w_align = w, h_align = h;
    d3d_surface_align(s, &w_align, &h_align);
    DXVA2_VideoDesc video_desc ={
        .SampleWidth  = w,
        .SampleHeight = h,
        .Format       = fmt.format->dxfmt,
    };
    UINT                     n_configs  = 0;
    DXVA2_ConfigPictureDecode *configs = NULL;
    hr = IDirectXVideoDecoderService_GetDecoderConfigurations(
        p->decoder_service, fmt.guid, &video_desc, NULL,
        &n_configs, &configs);
    if (FAILED(hr)) {
        MP_ERR(p, "Unable to retrieve decoder configurations: %s\n",
               mp_HRESULT_to_str(hr));
        goto done;
    }

    unsigned max_score = 0;
    for (UINT i = 0; i < n_configs; i++) {
        unsigned score = d3d_decoder_config_score(
            s, &configs[i].guidConfigBitstreamEncryption,
            configs[i].ConfigBitstreamRaw);
        if (score > max_score) {
            max_score       = score;
            *decoder_config = configs[i];
        }
    }
    CoTaskMemFree(configs);
    if (!max_score) {
        MP_ERR(p, "Failed to find a suitable decoder configuration\n");
        goto done;
    }

    surfaces = talloc_zero_array(decoder_pool, IDirect3DSurface9*, n_surfaces);
    hr = IDirectXVideoDecoderService_CreateSurface(
        p->decoder_service,
        w_align, h_align,
        n_surfaces - 1, fmt.format->dxfmt, D3DPOOL_DEFAULT, 0,
        DXVA2_VideoDecoderRenderTarget, surfaces, NULL);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create %d video surfaces: %s\n",
               n_surfaces, mp_HRESULT_to_str(hr));
        goto done;
    }

    hr = IDirectXVideoDecoderService_CreateVideoDecoder(
        p->decoder_service, fmt.guid, &video_desc, decoder_config,
        surfaces, n_surfaces, &decoder);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create DXVA2 video decoder: %s\n",
               mp_HRESULT_to_str(hr));
        goto done;
    }

    for (int i = 0; i < n_surfaces; i++) {
        struct mp_image *img = dxva2_new_ref(decoder, surfaces[i], w, h);
        if (!img) {
            MP_ERR(p, "Failed to create DXVA2 image\n");
            goto done;
        }
        mp_image_pool_add(decoder_pool, img); // transferred to pool
    }

    // Pass required information on to ffmpeg.
    struct dxva_context *dxva_ctx = s->avctx->hwaccel_context;
    dxva_ctx->cfg           = decoder_config;
    dxva_ctx->decoder       = decoder;
    dxva_ctx->surface_count = n_surfaces;
    dxva_ctx->surface       = surfaces;
    dxva_ctx->workaround    = is_clearvideo(fmt.guid) ?
                              FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO : 0;

    p->decoder_pool = talloc_steal(NULL, decoder_pool);
    ret = 0;
done:
    // On success, `p->decoder_pool` mp_images still hold refs to `surfaces` and
    // `decoder`, so the pointers in the ffmpeg `dxva_context` strcture remain
    // valid for the lifetime of the pool.
    if (surfaces) {
        for (int i = 0; i < n_surfaces; i++)
            IDirect3DSurface9_Release(surfaces[i]);
    }
    if (decoder)
        IDirectXVideoDecoder_Release(decoder);

    talloc_free(tmp);
    return ret;
}

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

    if (p->device)
        IDirect3DDevice9_Release(p->device);

    if (p->d3d9)
        IDirect3D9_Release(p->d3d9);
}

static bool create_device(struct lavc_ctx *s)
{
    struct priv *p = s->hwdec_priv;

    d3d_load_dlls();
    if (!d3d9_dll) {
        MP_ERR(p, "Failed to load D3D9 library\n");
        return false;
    }

    HRESULT (WINAPI *Direct3DCreate9Ex)(UINT, IDirect3D9Ex **) =
        (void *)GetProcAddress(d3d9_dll, "Direct3DCreate9Ex");
    if (!Direct3DCreate9Ex) {
        MP_ERR(p, "Failed to locate Direct3DCreate9Ex\n");
        return false;
    }

    IDirect3D9Ex *d3d9ex = NULL;
    HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create IDirect3D9Ex object\n");
        return false;
    }

    UINT adapter = D3DADAPTER_DEFAULT;
    D3DDISPLAYMODEEX modeex = {0};
    IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL);

    D3DPRESENT_PARAMETERS present_params = {
        .Windowed         = TRUE,
        .BackBufferWidth  = 640,
        .BackBufferHeight = 480,
        .BackBufferCount  = 0,
        .BackBufferFormat = modeex.Format,
        .SwapEffect       = D3DSWAPEFFECT_DISCARD,
        .Flags            = D3DPRESENTFLAG_VIDEO,
    };

    IDirect3DDevice9Ex *exdev = NULL;
    hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, adapter,
                                     D3DDEVTYPE_HAL,
                                     GetShellWindow(),
                                     D3DCREATE_SOFTWARE_VERTEXPROCESSING |
                                     D3DCREATE_MULTITHREADED |
                                     D3DCREATE_FPU_PRESERVE,
                                     &present_params,
                                     NULL,
                                     &exdev);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create Direct3D device: %s\n",
               mp_HRESULT_to_str(hr));
        IDirect3D9_Release(d3d9ex);
        return false;
    }

    p->d3d9 = (IDirect3D9 *)d3d9ex;
    p->device = (IDirect3DDevice9 *)exdev;
    return true;
}

static void dxva2_uninit(struct lavc_ctx *s)
{
    struct priv *p = s->hwdec_priv;
    if (!p)
        return;

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

    if (p->decoder_service)
        IDirectXVideoDecoderService_Release(p->decoder_service);

    if (p->device_manager && p->device_handle != INVALID_HANDLE_VALUE)
        IDirect3DDeviceManager9_CloseDeviceHandle(p->device_manager, p->device_handle);

    if (p->device_manager)
        IDirect3DDeviceManager9_Release(p->device_manager);

    destroy_device(s);

    TA_FREEP(&s->hwdec_priv);
}

static int dxva2_init(struct lavc_ctx *s)
{
    HRESULT hr;
    struct priv *p = talloc_zero(NULL, struct priv);
    if (!p)
        return -1;

    s->hwdec_priv = p;
    p->device_handle = INVALID_HANDLE_VALUE;
    p->log           = mp_log_new(s, s->log, "dxva2");

    if (s->hwdec->type == HWDEC_DXVA2_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) {
        IDirect3D9_AddRef(p->device);
        MP_VERBOSE(p, "Using VO-supplied device %p.\n", p->device);
    } else if (s->hwdec->type == HWDEC_DXVA2) {
        MP_ERR(p, "No Direct3D device provided for native dxva2 decoding\n");
        goto fail;
    } else {
        if (!create_device(s))
            goto fail;
    }

    d3d_load_dlls();
    if (!dxva2_dll) {
        MP_ERR(p, "Failed to load DXVA2 library\n");
        goto fail;
    }

    HRESULT (WINAPI *CreateDeviceManager9)(UINT *, IDirect3DDeviceManager9 **) =
        (void *)GetProcAddress(dxva2_dll, "DXVA2CreateDirect3DDeviceManager9");
    if (!CreateDeviceManager9) {
        MP_ERR(p, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
        goto fail;
    }

    unsigned reset_token = 0;
    hr = CreateDeviceManager9(&reset_token, &p->device_manager);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create Direct3D device manager: %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    hr = IDirect3DDeviceManager9_ResetDevice(p->device_manager,
                                             p->device, reset_token);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to bind Direct3D device to device manager: %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    hr = IDirect3DDeviceManager9_OpenDeviceHandle(p->device_manager,
                                                  &p->device_handle);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to open device handle: %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    hr = IDirect3DDeviceManager9_GetVideoService(
        p->device_manager, p->device_handle, &IID_IDirectXVideoDecoderService,
        (void **)&p->decoder_service);
    if (FAILED(hr)) {
        MP_ERR(p, "Failed to create IDirectXVideoDecoderService: %s\n",
               mp_HRESULT_to_str(hr));
        goto fail;
    }

    s->avctx->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
    if (!s->avctx->hwaccel_context)
        goto fail;

    return 0;
fail:
    dxva2_uninit(s);
    return -1;
}

static int dxva2_probe(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
                       const char *codec)
{
    // dxva2-copy can do without external context; dxva2 requires it.
    if (hwdec->type == HWDEC_DXVA2) {
        if (!hwdec_devices_load(ctx->hwdec_devs, HWDEC_DXVA2))
            return HWDEC_ERR_NO_CTX;
    } else {
        hwdec_devices_load(ctx->hwdec_devs, HWDEC_DXVA2_COPY);
    }
    return d3d_probe_codec(codec);
}

const struct vd_lavc_hwdec mp_vd_lavc_dxva2 = {
    .type           = HWDEC_DXVA2,
    .image_format   = IMGFMT_DXVA2,
    .probe          = dxva2_probe,
    .init           = dxva2_init,
    .uninit         = dxva2_uninit,
    .init_decoder   = dxva2_init_decoder,
    .allocate_image = dxva2_allocate_image,
};

const struct vd_lavc_hwdec mp_vd_lavc_dxva2_copy = {
    .type           = HWDEC_DXVA2_COPY,
    .copying        = true,
    .image_format   = IMGFMT_DXVA2,
    .probe          = dxva2_probe,
    .init           = dxva2_init,
    .uninit         = dxva2_uninit,
    .init_decoder   = dxva2_init_decoder,
    .allocate_image = dxva2_allocate_image,
    .process_image  = dxva2_retrieve_image,
    .delay_queue    = HWDEC_DELAY_QUEUE_COUNT,
};
Beispiel #20
0
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,
    },
};