Example #1
0
bool DXVA2Decoder::CreateDecoder(void)
{
    if (!m_service || !m_context.surface)
        return false;

    HRESULT hr = IDirectXVideoDecoderService_CreateVideoDecoder(
        m_service, m_input, &m_format,
        const_cast<DXVA2_ConfigPictureDecode*>(m_context.cfg),
        m_context.surface, m_context.surface_count, &m_context.decoder);

    if (FAILED(hr))
        return false;

    LOG(VB_PLAYBACK, LOG_INFO, LOC +
        QString("Created decoder: %1->%2x%3 (%4 surfaces)")
            .arg(toString(m_codec_id)).arg(m_width).arg(m_height)
            .arg(m_context.surface_count));
    return true;
}
Example #2
0
File: dxva2.c Project: joshkosh/vlc
/**
 * It creates a DXVA2 decoder using the given video format
 */
static int DxCreateVideoDecoder(vlc_va_t *va, int codec_id, const video_format_t *fmt, bool b_threading)
{
    VLC_UNUSED(b_threading);

    vlc_va_sys_t *p_sys = va->sys;
    directx_sys_t *sys = &va->sys->dx_sys;

    if (FAILED(IDirectXVideoDecoderService_CreateSurface((IDirectXVideoDecoderService*) sys->d3ddec,
               sys->surface_width,
               sys->surface_height,
               sys->surface_count - 1,
               p_sys->render,
               D3DPOOL_DEFAULT,
               0,
               DXVA2_VideoDecoderRenderTarget,
               (LPDIRECT3DSURFACE9*) sys->hw_surface,
               NULL))) {
        msg_Err(va, "IDirectXVideoAccelerationService_CreateSurface failed");
        sys->surface_count = 0;
        return VLC_EGENERIC;
    }
    msg_Dbg(va, "IDirectXVideoAccelerationService_CreateSurface succeed with %d surfaces (%dx%d)",
            sys->surface_count, sys->surface_width, sys->surface_height);

    /* */
    DXVA2_VideoDesc dsc;
    ZeroMemory(&dsc, sizeof(dsc));
    dsc.SampleWidth     = fmt->i_width;
    dsc.SampleHeight    = fmt->i_height;
    dsc.Format          = p_sys->render;
    if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
        dsc.InputSampleFreq.Numerator   = fmt->i_frame_rate;
        dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
    } else {
        dsc.InputSampleFreq.Numerator   = 0;
        dsc.InputSampleFreq.Denominator = 0;
    }
    dsc.OutputFrameFreq = dsc.InputSampleFreq;
    dsc.UABProtectionLevel = FALSE;
    dsc.Reserved = 0;

    /* FIXME I am unsure we can let unknown everywhere */
    DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
    ext->SampleFormat = 0;//DXVA2_SampleUnknown;
    ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
    ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
    ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
    ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
    ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
    ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;

    /* List all configurations available for the decoder */
    UINT                      cfg_count = 0;
    DXVA2_ConfigPictureDecode *cfg_list = NULL;
    if (FAILED(IDirectXVideoDecoderService_GetDecoderConfigurations((IDirectXVideoDecoderService*) sys->d3ddec,
               &sys->input,
               &dsc,
               NULL,
               &cfg_count,
               &cfg_list))) {
        msg_Err(va, "IDirectXVideoDecoderService_GetDecoderConfigurations failed");
        return VLC_EGENERIC;
    }
    msg_Dbg(va, "we got %d decoder configurations", cfg_count);

    /* Select the best decoder configuration */
    int cfg_score = 0;
    for (unsigned i = 0; i < cfg_count; i++) {
        const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];

        /* */
        msg_Dbg(va, "configuration[%d] ConfigBitstreamRaw %d",
                i, cfg->ConfigBitstreamRaw);

        /* */
        int score;
        if (cfg->ConfigBitstreamRaw == 1)
            score = 1;
        else if (codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
            score = 2;
        else
            continue;
        if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt))
            score += 16;

        if (cfg_score < score) {
            p_sys->cfg = *cfg;
            cfg_score = score;
        }
    }
    CoTaskMemFree(cfg_list);
    if (cfg_score <= 0) {
        msg_Err(va, "Failed to find a supported decoder configuration");
        return VLC_EGENERIC;
    }

    /* Create the decoder */
    IDirectXVideoDecoder *decoder;
    if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder((IDirectXVideoDecoderService*) sys->d3ddec,
               &sys->input,
               &dsc,
               &p_sys->cfg,
               (LPDIRECT3DSURFACE9*) sys->hw_surface,
               sys->surface_count,
               &decoder))) {
        msg_Err(va, "IDirectXVideoDecoderService_CreateVideoDecoder failed");
        return VLC_EGENERIC;
    }
    sys->decoder = (IUnknown*) decoder;

    msg_Dbg(va, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
    return VLC_SUCCESS;
}
Example #3
0
/**
 * It creates a DXVA2 decoder using the given video format
 */
static int DxCreateVideoDecoder(vlc_va_dxva2_t *va,
                                int codec_id, const video_format_t *fmt)
{
    /* */
    msg_Dbg(va->log, "DxCreateVideoDecoder id %d %dx%d",
            codec_id, fmt->i_width, fmt->i_height);

    va->width  = fmt->i_width;
    va->height = fmt->i_height;

    /* Allocates all surfaces needed for the decoder */
    va->surface_width  = (fmt->i_width  + 15) & ~15;
    va->surface_height = (fmt->i_height + 15) & ~15;
    int surface_count;
    switch (codec_id) {
    case AV_CODEC_ID_H264:
        surface_count = 16 + 1 + 2;
        break;
    default:
        surface_count = 2 + 1;
        break;
    }
    if (surface_count > VA_DXVA2_MAX_SURFACE_COUNT)
        return VLC_EGENERIC;
    va->surface_count = surface_count;
    if (FAILED(IDirectXVideoDecoderService_CreateSurface(va->vs,
                                                         va->surface_width,
                                                         va->surface_height,
                                                         va->surface_count - 1,
                                                         va->render,
                                                         D3DPOOL_DEFAULT,
                                                         0,
                                                         DXVA2_VideoDecoderRenderTarget,
                                                         va->hw_surface,
                                                         NULL))) {
        msg_Err(va->log, "IDirectXVideoAccelerationService_CreateSurface failed");
        va->surface_count = 0;
        return VLC_EGENERIC;
    }
    for (unsigned i = 0; i < va->surface_count; i++) {
        vlc_va_surface_t *surface = &va->surface[i];
        surface->d3d = va->hw_surface[i];
        surface->refcount = 0;
        surface->order = 0;
    }
    msg_Dbg(va->log, "IDirectXVideoAccelerationService_CreateSurface succeed with %d surfaces (%dx%d)",
            va->surface_count, fmt->i_width, fmt->i_height);

    /* */
    DXVA2_VideoDesc dsc;
    ZeroMemory(&dsc, sizeof(dsc));
    dsc.SampleWidth     = fmt->i_width;
    dsc.SampleHeight    = fmt->i_height;
    dsc.Format          = va->render;
    if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
        dsc.InputSampleFreq.Numerator   = fmt->i_frame_rate;
        dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
    } else {
        dsc.InputSampleFreq.Numerator   = 0;
        dsc.InputSampleFreq.Denominator = 0;
    }
    dsc.OutputFrameFreq = dsc.InputSampleFreq;
    dsc.UABProtectionLevel = FALSE;
    dsc.Reserved = 0;

    /* FIXME I am unsure we can let unknown everywhere */
    DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
    ext->SampleFormat = 0;//DXVA2_SampleUnknown;
    ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
    ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
    ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
    ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
    ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
    ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;

    /* List all configurations available for the decoder */
    UINT                      cfg_count = 0;
    DXVA2_ConfigPictureDecode *cfg_list = NULL;
    if (FAILED(IDirectXVideoDecoderService_GetDecoderConfigurations(va->vs,
                                                                    &va->input,
                                                                    &dsc,
                                                                    NULL,
                                                                    &cfg_count,
                                                                    &cfg_list))) {
        msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderConfigurations failed");
        return VLC_EGENERIC;
    }
    msg_Dbg(va->log, "we got %d decoder configurations", cfg_count);

    /* Select the best decoder configuration */
    int cfg_score = 0;
    for (unsigned i = 0; i < cfg_count; i++) {
        const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];

        /* */
        msg_Dbg(va->log, "configuration[%d] ConfigBitstreamRaw %d",
                i, cfg->ConfigBitstreamRaw);

        /* */
        int score;
        if (cfg->ConfigBitstreamRaw == 1)
            score = 1;
        else if (codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
            score = 2;
        else
            continue;
        if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt))
            score += 16;

        if (cfg_score < score) {
            va->cfg = *cfg;
            cfg_score = score;
        }
    }
    CoTaskMemFree(cfg_list);
    if (cfg_score <= 0) {
        msg_Err(va->log, "Failed to find a supported decoder configuration");
        return VLC_EGENERIC;
    }

    /* Create the decoder */
    IDirectXVideoDecoder *decoder;
    if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder(va->vs,
                                                              &va->input,
                                                              &dsc,
                                                              &va->cfg,
                                                              va->hw_surface,
                                                              va->surface_count,
                                                              &decoder))) {
        msg_Err(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder failed");
        return VLC_EGENERIC;
    }
    va->decoder = decoder;
    msg_Dbg(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
    return VLC_SUCCESS;
}
Example #4
0
static int dxva2_create_decoder(AVCodecContext *s)
{
    HwAccelContext  *hac = s->opaque;
    DXVA2Context *ctx = hac->hwaccel_ctx;
    struct dxva_context *dxva_ctx = s->hwaccel_context;
    GUID *guid_list = NULL;
    unsigned guid_count = 0, i, j;
    GUID device_guid = GUID_NULL;
    D3DFORMAT target_format = 0;
    DXVA2_VideoDesc desc = { 0 };
    DXVA2_ConfigPictureDecode config;
    HRESULT hr;
    int surface_alignment;
    int ret;

    hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
    if (FAILED(hr)) {
        av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
        goto fail;
    }

    for (i = 0; dxva2_modes[i].guid; i++) {
        D3DFORMAT *target_list = NULL;
        unsigned target_count = 0;
        const dxva2_mode *mode = &dxva2_modes[i];
        if (mode->codec != s->codec_id)
            continue;

        for (j = 0; j < guid_count; j++) {
            if (IsEqualGUID(mode->guid, &guid_list[j]))
                break;
        }
        if (j == guid_count)
            continue;

        hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
        if (FAILED(hr)) {
            continue;
        }
        for (j = 0; j < target_count; j++) {
            const D3DFORMAT format = target_list[j];
            if (format == MKTAG('N','V','1','2')) {
                target_format = format;
                break;
            }
        }
        CoTaskMemFree(target_list);
        if (target_format) {
            device_guid = *mode->guid;
            break;
        }
    }
    CoTaskMemFree(guid_list);

    if (IsEqualGUID(&device_guid, &GUID_NULL)) {
        av_log(NULL, loglevel, "No decoder device for codec found\n");
        goto fail;
    }

    desc.SampleWidth  = s->coded_width;
    desc.SampleHeight = s->coded_height;
    desc.Format       = target_format;

    ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
    if (ret < 0) {
        goto fail;
    }

    /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
       but it causes issues for H.264 on certain AMD GPUs..... */
    if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
        surface_alignment = 32;
    /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
       all coding features have enough room to work with */
    else if  (s->codec_id == AV_CODEC_ID_HEVC)
        surface_alignment = 128;
    else
        surface_alignment = 16;

    /* 4 base work surfaces */
    ctx->num_surfaces = 4;

    /* add surfaces based on number of possible refs */
    if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
        ctx->num_surfaces += 16;
    else
        ctx->num_surfaces += 2;

    /* add extra surfaces for frame threading */
    if (s->active_thread_type & FF_THREAD_FRAME)
        ctx->num_surfaces += s->thread_count;

    ctx->surfaces      = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surfaces));
    ctx->surface_infos = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surface_infos));

    if (!ctx->surfaces || !ctx->surface_infos) {
        av_log(NULL, loglevel, "Unable to allocate surface arrays\n");
        goto fail;
    }

    hr = IDirectXVideoDecoderService_CreateSurface(ctx->decoder_service,
                                                   FFALIGN(s->coded_width, surface_alignment),
                                                   FFALIGN(s->coded_height, surface_alignment),
                                                   ctx->num_surfaces - 1,
                                                   target_format, D3DPOOL_DEFAULT, 0,
                                                   DXVA2_VideoDecoderRenderTarget,
                                                   ctx->surfaces, NULL);
    if (FAILED(hr)) {
        av_log(NULL, loglevel, "Failed to create %d video surfaces\n", ctx->num_surfaces);
        goto fail;
    }

    hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
                                                        &desc, &config, ctx->surfaces,
                                                        ctx->num_surfaces, &ctx->decoder);
    if (FAILED(hr)) {
        av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
        goto fail;
    }

    ctx->decoder_guid   = device_guid;
    ctx->decoder_config = config;

    dxva_ctx->cfg           = &ctx->decoder_config;
    dxva_ctx->decoder       = ctx->decoder;
    dxva_ctx->surface       = ctx->surfaces;
    dxva_ctx->surface_count = ctx->num_surfaces;

    if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
        dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;

    return 0;
fail:
    dxva2_destroy_decoder(s);
    return AVERROR(EINVAL);
}
Example #5
0
static int dxva2_create_decoder(struct lavc_ctx *s, int w, int h,
                                enum AVCodecID codec_id, int profile)
{
    DXVA2Context *ctx = s->hwdec_priv;
    struct dxva_context *dxva_ctx = s->avctx->hwaccel_context;
    GUID *guid_list = NULL;
    unsigned guid_count = 0, i, j;
    GUID device_guid = GUID_NULL;
    D3DFORMAT target_format = 0;
    DXVA2_VideoDesc desc = { 0 };
    DXVA2_ConfigPictureDecode config;
    HRESULT hr;
    int surface_alignment;
    int ret;

    hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
    if (FAILED(hr)) {
        MP_ERR(ctx, "Failed to retrieve decoder device GUIDs\n");
        goto fail;
    }

    // dump all decoder info
    MP_VERBOSE(ctx, "%d decoder devices:\n", (int)guid_count);
    for (j = 0; j < guid_count; j++) {
        GUID *guid = &guid_list[j];

        const char *name = "<unknown>";
        for (i = 0; dxva2_modes[i].guid; i++) {
            if (IsEqualGUID(dxva2_modes[i].guid, guid))
                name = dxva2_modes[i].name;
        }

        D3DFORMAT *target_list = NULL;
        unsigned target_count = 0;
        hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, guid, &target_count, &target_list);
        if (FAILED(hr))
            continue;
        char fmts[256] = {0};
        for (i = 0; i < target_count; i++)
            mp_snprintf_cat(fmts, sizeof(fmts), " %s", mp_tag_str(target_list[i]));
        CoTaskMemFree(target_list);
        MP_VERBOSE(ctx, "%s %s %s\n", mp_GUID_to_str(guid), name, fmts);
    }

    // find a suitable decoder
    for (i = 0; dxva2_modes[i].guid; i++) {
        D3DFORMAT *target_list = NULL;
        unsigned target_count = 0;
        const dxva2_mode *mode = &dxva2_modes[i];
        if (mode->codec != codec_id)
            continue;

        for (j = 0; j < guid_count; j++) {
            if (IsEqualGUID(mode->guid, &guid_list[j]))
                break;
        }
        if (j == guid_count)
            continue;

        hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
        if (FAILED(hr)) {
            continue;
        }
        for (j = 0; j < target_count; j++) {
            const D3DFORMAT format = target_list[j];
            if (format == MKTAG('N','V','1','2')) {
                target_format = format;
                break;
            }
        }
        CoTaskMemFree(target_list);
        if (target_format) {
            device_guid = *mode->guid;
            break;
        }
    }
    CoTaskMemFree(guid_list);

    if (IsEqualGUID(&device_guid, &GUID_NULL)) {
        MP_ERR(ctx, "No decoder device for codec found\n");
        goto fail;
    }

    desc.SampleWidth  = w;
    desc.SampleHeight = h;
    desc.Format       = target_format;

    ret = dxva2_get_decoder_configuration(s, codec_id, &device_guid, &desc, &config);
    if (ret < 0) {
        goto fail;
    }

    /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
       but it causes issues for H.264 on certain AMD GPUs..... */
    if (codec_id == AV_CODEC_ID_MPEG2VIDEO)
        surface_alignment = 32;
    /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
       all coding features have enough room to work with */
    else if  (codec_id == AV_CODEC_ID_HEVC)
        surface_alignment = 128;
    else
        surface_alignment = 16;

    /* 4 base work surfaces */
    ctx->num_surfaces = 4 + ADDTIONAL_SURFACES;

    /* add surfaces based on number of possible refs */
    if (codec_id == AV_CODEC_ID_H264 || codec_id == AV_CODEC_ID_HEVC)
        ctx->num_surfaces += 16;
    else
        ctx->num_surfaces += 2;

    ctx->surfaces      = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surfaces));
    ctx->surface_infos = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surface_infos));

    if (!ctx->surfaces || !ctx->surface_infos) {
        MP_ERR(ctx, "Unable to allocate surface arrays\n");
        goto fail;
    }

    hr = IDirectXVideoDecoderService_CreateSurface(ctx->decoder_service,
                                                   FFALIGN(w, surface_alignment),
                                                   FFALIGN(h, surface_alignment),
                                                   ctx->num_surfaces - 1,
                                                   target_format, D3DPOOL_DEFAULT, 0,
                                                   DXVA2_VideoDecoderRenderTarget,
                                                   ctx->surfaces, NULL);
    if (FAILED(hr)) {
        MP_ERR(ctx, "Failed to create %d video surfaces\n", ctx->num_surfaces);
        goto fail;
    }

    hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
                                                        &desc, &config, ctx->surfaces,
                                                        ctx->num_surfaces, &ctx->decoder);
    if (FAILED(hr)) {
        MP_ERR(ctx, "Failed to create DXVA2 video decoder\n");
        goto fail;
    }

    ctx->decoder_guid   = device_guid;
    ctx->decoder_config = config;

    dxva_ctx->cfg           = &ctx->decoder_config;
    dxva_ctx->decoder       = ctx->decoder;
    dxva_ctx->surface       = ctx->surfaces;
    dxva_ctx->surface_count = ctx->num_surfaces;

    if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
        dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;

    return 0;
fail:
    dxva2_destroy_decoder(s);
    return -1;
}
static void test_decoder_resolution(IDirectXVideoDecoderService *service, REFGUID const guid, D3DFORMAT format,
                                    UINT width, UINT height, UINT surface_count)
{
    HRESULT hr;
    DXVA2_VideoDesc desc;
    UINT count;
    DXVA2_ConfigPictureDecode *configs;
    DXVA2_ConfigPictureDecode config;
    IDirect3DSurface9 **surfaces;
    IDirectXVideoDecoder *decoder;
    UINT i;

    trace("Analysing buffer sizes for: %s (%u x %u)\n", convert_decoderguid_to_str(guid), width, height);

    memset(&desc, 0, sizeof(desc));

    desc.SampleWidth = width;
    desc.SampleHeight = height;
    desc.Format = format;
    desc.InputSampleFreq.Numerator = 25;
    desc.InputSampleFreq.Denominator = 1;
    desc.OutputFrameFreq.Numerator = 25;
    desc.OutputFrameFreq.Denominator = 1;

    if (0) /* crashes on windows */
    {
        hr = IDirectXVideoDecoderService_GetDecoderConfigurations(service, guid, &desc, NULL, NULL, NULL);
        ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %x\n", hr);

        hr = IDirectXVideoDecoderService_GetDecoderConfigurations(service, guid, &desc, NULL, &count, NULL);
        ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %x\n", hr);

        hr = IDirectXVideoDecoderService_GetDecoderConfigurations(service, guid, &desc, NULL, NULL, &configs);
        ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %x\n", hr);
    }

    hr = IDirectXVideoDecoderService_GetDecoderConfigurations(service, &GUID_NULL, &desc, NULL, &count, &configs);
    ok(hr == D3DERR_INVALIDCALL, "Expected D3DERR_INVALIDCALL, got %x\n", hr);

    hr = IDirectXVideoDecoderService_GetDecoderConfigurations(service, guid, &desc, NULL, &count, &configs);
    ok(!hr, "Failed to get decoder congiruation for: %s\n", convert_decoderguid_to_str(guid));
    if (hr) return;

    if (!count)
    {
        skip("Decoder for %s does not support a single decoder configuration? Skipping test\n",
             convert_decoderguid_to_str(guid));
        return;
    }

    memcpy(&config, &configs[0], sizeof(config));
    CoTaskMemFree(configs);

    surfaces = (void*)HeapAlloc(GetProcessHeap(), 0, surface_count * sizeof(IDirect3DSurface9));
    if (!surfaces)
    {
        skip("Failed to allocate memory for surfaces\n");
        return;
    }

    hr = IDirectXVideoDecoderService_CreateSurface(service, width, height, surface_count-1, format, D3DPOOL_DEFAULT, 0,
                                                        DXVA2_VideoDecoderRenderTarget, surfaces, NULL);
    ok(!hr, "Failed to create surfaces: %x\n", hr);
    if (hr)
    {
        HeapFree(GetProcessHeap(), 0, surfaces);
        return;
    }

    hr = IDirectXVideoDecoderService_CreateVideoDecoder(service, guid, &desc, &configs[0], surfaces, surface_count, &decoder);
    ok(!hr, "Failed to create decoder for %s: %x\n", convert_decoderguid_to_str(guid), hr);
    if (!hr)
    {
        test_decoding(decoder, guid, surfaces);
        IDirectXVideoDecoder_Release(decoder);
    }

    for (i = 0; i < surface_count; i++)
        IDirect3DSurface9_Release(surfaces[i]);

    HeapFree(GetProcessHeap(), 0, surfaces);
}
Example #7
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,
};
Example #8
0
/**
 * It creates a DXVA2 decoder using the given video format
 */
static int hb_dx_create_video_decoder( hb_va_dxva2_t *dxva2, int codec_id, const  hb_title_t* fmt )
{
    dxva2->width = fmt->width;
    dxva2->height = fmt->height;
    dxva2->surface_width = (fmt->width  + 15) & ~15;
    dxva2->surface_height = (fmt->height + 15) & ~15;
    switch( codec_id )
    {
        case AV_CODEC_ID_H264:
            dxva2->surface_count = 16 + 1;
            break;
        default:
            dxva2->surface_count = 2 + 1;
            break;
    }
    LPDIRECT3DSURFACE9 surface_list[VA_DXVA2_MAX_SURFACE_COUNT];
    if( FAILED( IDirectXVideoDecoderService_CreateSurface( dxva2->vs,
                                                           dxva2->surface_width,
                                                           dxva2->surface_height,
                                                           dxva2->surface_count - 1,
                                                           dxva2->render,
                                                           D3DPOOL_DEFAULT,
                                                           0,
                                                           DXVA2_VideoDecoderRenderTarget,
                                                           surface_list, NULL )))
    {
        hb_log( "dxva2:IDirectXVideoAccelerationService_CreateSurface failed" );
        dxva2->surface_count = 0;
        return HB_WORK_ERROR;
    }

    unsigned i;
    for( i = 0; i<dxva2->surface_count; i++ )
    {
        hb_va_surface_t *surface = &dxva2->surface[i];
        surface->d3d = surface_list[i];
        surface->refcount = 0;
        surface->order = 0;
    }
    hb_log( "dxva2:CreateSurface succeed with %d, fmt (%dx%d) surfaces (%dx%d)", dxva2->surface_count,
            fmt->width, fmt->height, dxva2->surface_width, dxva2->surface_height );
    DXVA2_VideoDesc dsc;
    memset( &dsc, 0, sizeof(dsc));
    dsc.SampleWidth = fmt->width;
    dsc.SampleHeight = fmt->height;
    dsc.Format = dxva2->render;

    if( fmt->rate> 0 && fmt->rate_base> 0 )
    {
        dsc.InputSampleFreq.Numerator = fmt->rate;
        dsc.InputSampleFreq.Denominator = fmt->rate_base;
    }
    else
    {
        dsc.InputSampleFreq.Numerator = 0;
        dsc.InputSampleFreq.Denominator = 0;
    }

    dsc.OutputFrameFreq = dsc.InputSampleFreq;
    dsc.UABProtectionLevel = FALSE;
    dsc.Reserved = 0;

    /* FIXME I am unsure we can let unknown everywhere */
    DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
    ext->SampleFormat = 0; //DXVA2_SampleUnknown;
    ext->VideoChromaSubsampling = 0; //DXVA2_VideoChromaSubsampling_Unknown;
    ext->NominalRange = 0; //DXVA2_NominalRange_Unknown;
    ext->VideoTransferMatrix = 0; //DXVA2_VideoTransferMatrix_Unknown;
    ext->VideoLighting = 0; //DXVA2_VideoLighting_Unknown;
    ext->VideoPrimaries = 0; //DXVA2_VideoPrimaries_Unknown;
    ext->VideoTransferFunction = 0; //DXVA2_VideoTransFunc_Unknown;

    /* List all configurations available for the decoder */
    UINT cfg_count = 0;
    DXVA2_ConfigPictureDecode *cfg_list = NULL;
    if( FAILED( IDirectXVideoDecoderService_GetDecoderConfigurations( dxva2->vs, &dxva2->input, &dsc, NULL, &cfg_count, &cfg_list )))
    {
        hb_log( "dxva2:IDirectXVideoDecoderService_GetDecoderConfigurations failed" );
        return HB_WORK_ERROR;
    }
    hb_log( "dxva2:we got %d decoder configurations", cfg_count );

    /* Select the best decoder configuration */
    int cfg_score = 0;
    for( i = 0; i < cfg_count; i++ )
    {
        const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
        hb_log( "dxva2:configuration[%d] ConfigBitstreamRaw %d", i, cfg->ConfigBitstreamRaw );
        int score;
        if( cfg->ConfigBitstreamRaw == 1 )
            score = 1;
        else if( codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2 )
            score = 2;
        else
            continue;
        if( IsEqualGUID( &cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt ))
            score += 16;
        if( cfg_score < score )
        {
            dxva2->cfg = *cfg;
            cfg_score = score;
        }
    }
    //my_release(cfg_list);
    if( cfg_score <= 0 )
    {
        hb_log( "dxva2:Failed to find a supported decoder configuration" );
        return HB_WORK_ERROR;
    }

    /* Create the decoder */
    IDirectXVideoDecoder *decoder;
    if( FAILED( IDirectXVideoDecoderService_CreateVideoDecoder( dxva2->vs, &dxva2->input, &dsc, &dxva2->cfg, surface_list, dxva2->surface_count, &decoder )))
    {
        hb_log( "dxva2:IDirectXVideoDecoderService_CreateVideoDecoder failed" );
        return HB_WORK_ERROR;
    }
    dxva2->decoder = decoder;
    hb_log( "dxva2:IDirectXVideoDecoderService_CreateVideoDecoder succeed" );
    return HB_WORK_OK;
}
Example #9
0
static int dxva2_create_decoder(AVCodecContext *s)
{
    InputStream  *ist = s->opaque;
    int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
    DXVA2Context *ctx = ist->hwaccel_ctx;
    struct dxva_context *dxva_ctx = s->hwaccel_context;
    GUID *guid_list = NULL;
    unsigned guid_count = 0, i, j;
    GUID device_guid = GUID_NULL;
    const D3DFORMAT surface_format = s->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
                                     MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2');
    D3DFORMAT target_format = 0;
    DXVA2_VideoDesc desc = { 0 };
    DXVA2_ConfigPictureDecode config;
    HRESULT hr;
    int surface_alignment, num_surfaces;
    int ret;

    AVDXVA2FramesContext *frames_hwctx;
    AVHWFramesContext *frames_ctx;

    hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
    if (FAILED(hr)) {
        av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
        goto fail;
    }

    for (i = 0; dxva2_modes[i].guid; i++) {
        D3DFORMAT *target_list = NULL;
        unsigned target_count = 0;
        const dxva2_mode *mode = &dxva2_modes[i];
        if (mode->codec != s->codec_id)
            continue;

        for (j = 0; j < guid_count; j++) {
            if (IsEqualGUID(mode->guid, &guid_list[j]))
                break;
        }
        if (j == guid_count)
            continue;

        hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
        if (FAILED(hr)) {
            continue;
        }
        for (j = 0; j < target_count; j++) {
            const D3DFORMAT format = target_list[j];
            if (format == surface_format) {
                target_format = format;
                break;
            }
        }
        CoTaskMemFree(target_list);
        if (target_format) {
            device_guid = *mode->guid;
            break;
        }
    }
    CoTaskMemFree(guid_list);

    if (IsEqualGUID(&device_guid, &GUID_NULL)) {
        av_log(NULL, loglevel, "No decoder device for codec found\n");
        goto fail;
    }

    desc.SampleWidth  = s->coded_width;
    desc.SampleHeight = s->coded_height;
    desc.Format       = target_format;

    ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
    if (ret < 0) {
        goto fail;
    }

    /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
       but it causes issues for H.264 on certain AMD GPUs..... */
    if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
        surface_alignment = 32;
    /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
       all coding features have enough room to work with */
    else if  (s->codec_id == AV_CODEC_ID_HEVC)
        surface_alignment = 128;
    else
        surface_alignment = 16;

    /* 4 base work surfaces */
    num_surfaces = 4;

    /* add surfaces based on number of possible refs */
    if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
        num_surfaces += 16;
    else
        num_surfaces += 2;

    /* add extra surfaces for frame threading */
    if (s->active_thread_type & FF_THREAD_FRAME)
        num_surfaces += s->thread_count;

    ctx->hw_frames_ctx = av_hwframe_ctx_alloc(ctx->hw_device_ctx);
    if (!ctx->hw_frames_ctx)
        goto fail;
    frames_ctx   = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
    frames_hwctx = frames_ctx->hwctx;

    frames_ctx->format            = AV_PIX_FMT_DXVA2_VLD;
    frames_ctx->sw_format         = s->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
                                    AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
    frames_ctx->width             = FFALIGN(s->coded_width, surface_alignment);
    frames_ctx->height            = FFALIGN(s->coded_height, surface_alignment);
    frames_ctx->initial_pool_size = num_surfaces;

    frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;

    ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
    if (ret < 0) {
        av_log(NULL, loglevel, "Failed to initialize the HW frames context\n");
        goto fail;
    }

    hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
                                                        &desc, &config, frames_hwctx->surfaces,
                                                        frames_hwctx->nb_surfaces, &frames_hwctx->decoder_to_release);
    if (FAILED(hr)) {
        av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
        goto fail;
    }

    ctx->decoder_guid   = device_guid;
    ctx->decoder_config = config;

    dxva_ctx->cfg           = &ctx->decoder_config;
    dxva_ctx->decoder       = frames_hwctx->decoder_to_release;
    dxva_ctx->surface       = frames_hwctx->surfaces;
    dxva_ctx->surface_count = frames_hwctx->nb_surfaces;

    if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
        dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;

    return 0;
fail:
    av_buffer_unref(&ctx->hw_frames_ctx);
    return AVERROR(EINVAL);
}