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);
}
}
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;
}
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 int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
GLuint *out_textures)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
VAStatus status;
VAImage *va_image = &p->current_image;
unref_image(hw);
mp_image_setrefp(&p->current_ref, hw_image);
va_lock(p->ctx);
status = vaDeriveImage(p->display, va_surface_id(hw_image), va_image);
if (!CHECK_VA_STATUS(p, "vaDeriveImage()"))
goto err;
int mpfmt = va_fourcc_to_imgfmt(va_image->format.fourcc);
if (mpfmt != IMGFMT_NV12 && mpfmt != IMGFMT_420P) {
MP_FATAL(p, "unsupported VA image format %s\n",
mp_tag_str(va_image->format.fourcc));
goto err;
}
if (!hw->converted_imgfmt) {
MP_VERBOSE(p, "format: %s %s\n", mp_tag_str(va_image->format.fourcc),
mp_imgfmt_to_name(mpfmt));
hw->converted_imgfmt = mpfmt;
}
if (hw->converted_imgfmt != mpfmt) {
MP_FATAL(p, "mid-stream hwdec format change (%s -> %s) not supported\n",
mp_imgfmt_to_name(hw->converted_imgfmt), mp_imgfmt_to_name(mpfmt));
goto err;
}
VABufferInfo buffer_info = {.mem_type = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME};
status = vaAcquireBufferHandle(p->display, va_image->buf, &buffer_info);
if (!CHECK_VA_STATUS(p, "vaAcquireBufferHandle()"))
goto err;
p->buffer_acquired = true;
struct mp_image layout = {0};
mp_image_set_params(&layout, &hw_image->params);
mp_image_setfmt(&layout, mpfmt);
// (it would be nice if we could use EGL_IMAGE_INTERNAL_FORMAT_EXT)
int drm_fmts[4] = {MP_FOURCC('R', '8', ' ', ' '), // DRM_FORMAT_R8
MP_FOURCC('G', 'R', '8', '8'), // DRM_FORMAT_GR88
MP_FOURCC('R', 'G', '2', '4'), // DRM_FORMAT_RGB888
MP_FOURCC('R', 'A', '2', '4')}; // DRM_FORMAT_RGBA8888
for (int n = 0; n < layout.num_planes; n++) {
int attribs[20] = {EGL_NONE};
int num_attribs = 0;
ADD_ATTRIB(EGL_LINUX_DRM_FOURCC_EXT, drm_fmts[layout.fmt.bytes[n] - 1]);
ADD_ATTRIB(EGL_WIDTH, mp_image_plane_w(&layout, n));
ADD_ATTRIB(EGL_HEIGHT, mp_image_plane_h(&layout, n));
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_FD_EXT, buffer_info.handle);
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_OFFSET_EXT, va_image->offsets[n]);
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_PITCH_EXT, va_image->pitches[n]);
p->images[n] = p->CreateImageKHR(eglGetCurrentDisplay(),
EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
if (!p->images[n])
goto err;
gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]);
p->EGLImageTargetTexture2DOES(GL_TEXTURE_2D, p->images[n]);
out_textures[n] = p->gl_textures[n];
}
gl->BindTexture(GL_TEXTURE_2D, 0);
if (va_image->format.fourcc == VA_FOURCC_YV12)
MPSWAP(GLuint, out_textures[1], out_textures[2]);
va_unlock(p->ctx);
return 0;
err:
va_unlock(p->ctx);
MP_FATAL(p, "mapping VAAPI EGL image failed\n");
unref_image(hw);
return -1;
}
