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gstreamer/sys/d3d11/gstd3d11decoder.c
Seungha Yang 9575d835ba d3d11decoder: Do not print warning message if retry count is in expected range 
gst_d3d11_result() will print warning message when HRESULT != S_OK.
However, since the retry is trivial stuff, check hr == E_PENDING first
and do not warn it.
2020-02-28 13:21:04 +09:00

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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* NOTE: some of implementations are copied/modified from Chromium code
*
* Copyright 2015 The Chromium Authors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstd3d11decoder.h"
#include "gstd3d11memory.h"
#include "gstd3d11bufferpool.h"
#include "gstd3d11device.h"
#include <string.h>
GST_DEBUG_CATEGORY (d3d11_decoder_debug);
#define GST_CAT_DEFAULT d3d11_decoder_debug
enum
{
PROP_0,
PROP_DEVICE,
};
struct _GstD3D11DecoderPrivate
{
GstD3D11Device *device;
ID3D11VideoDevice *video_device;
ID3D11VideoContext *video_context;
ID3D11VideoDecoder *decoder;
GstBufferPool *internal_pool;
/* for staging */
ID3D11Texture2D *staging;
D3D11_TEXTURE2D_DESC staging_desc;
D3D11_BOX staging_box;
GUID decoder_profile;
};
#define OUTPUT_VIEW_QUARK _decoder_output_view_get()
static GQuark
_decoder_output_view_get (void)
{
static volatile gsize g_quark = 0;
if (g_once_init_enter (&g_quark)) {
gsize quark =
(gsize) g_quark_from_static_string ("GstD3D11DecoderOutputView");
g_once_init_leave (&g_quark, quark);
}
return (GQuark) g_quark;
}
static void gst_d3d11_decoder_constructed (GObject * object);
static void gst_d3d11_decoder_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d11_decoder_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_d3d11_decoder_dispose (GObject * obj);
#define parent_class gst_d3d11_decoder_parent_class
G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11Decoder,
gst_d3d11_decoder, GST_TYPE_OBJECT);
static void
gst_d3d11_decoder_class_init (GstD3D11DecoderClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructed = gst_d3d11_decoder_constructed;
gobject_class->set_property = gst_d3d11_decoder_set_property;
gobject_class->get_property = gst_d3d11_decoder_get_property;
gobject_class->dispose = gst_d3d11_decoder_dispose;
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_object ("device", "Device",
"D3D11 Devicd to use", GST_TYPE_D3D11_DEVICE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (d3d11_decoder_debug,
"d3d11decoder", 0, "Direct3D11 Base Video Decoder object");
}
static void
gst_d3d11_decoder_init (GstD3D11Decoder * self)
{
self->priv = gst_d3d11_decoder_get_instance_private (self);
}
static void
gst_d3d11_decoder_constructed (GObject * object)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (object);
GstD3D11DecoderPrivate *priv = self->priv;
HRESULT hr;
ID3D11Device *device_handle;
ID3D11DeviceContext *device_context_handle;
if (!priv->device) {
GST_ERROR_OBJECT (self, "No D3D11Device available");
return;
}
device_handle = gst_d3d11_device_get_device_handle (priv->device);
device_context_handle =
gst_d3d11_device_get_device_context_handle (priv->device);
hr = ID3D11Device_QueryInterface (device_handle, &IID_ID3D11VideoDevice,
(void **) &priv->video_device);
if (!gst_d3d11_result (hr, priv->device) || !priv->video_device) {
GST_WARNING_OBJECT (self, "Cannot create VideoDevice Object: 0x%x",
(guint) hr);
priv->video_device = NULL;
return;
}
hr = ID3D11DeviceContext_QueryInterface (device_context_handle,
&IID_ID3D11VideoContext, (void **) &priv->video_context);
if (!gst_d3d11_result (hr, priv->device) || !priv->video_context) {
GST_WARNING_OBJECT (self, "Cannot create VideoContext Object: 0x%x",
(guint) hr);
priv->video_context = NULL;
goto fail;
}
return;
fail:
if (priv->video_device) {
ID3D11VideoDevice_Release (priv->video_device);
priv->video_device = NULL;
}
if (priv->video_context) {
ID3D11VideoContext_Release (priv->video_context);
priv->video_context = NULL;
}
return;
}
static void
gst_d3d11_decoder_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (object);
GstD3D11DecoderPrivate *priv = self->priv;
switch (prop_id) {
case PROP_DEVICE:
priv->device = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_decoder_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (object);
GstD3D11DecoderPrivate *priv = self->priv;
switch (prop_id) {
case PROP_DEVICE:
g_value_set_object (value, priv->device);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_d3d11_decoder_close (GstD3D11Decoder * self)
{
GstD3D11DecoderPrivate *priv = self->priv;
gst_d3d11_decoder_reset (self);
if (priv->video_device) {
ID3D11VideoDevice_Release (priv->video_device);
priv->video_device = NULL;
}
if (priv->video_context) {
ID3D11VideoContext_Release (priv->video_context);
priv->video_context = NULL;
}
return TRUE;
}
static void
gst_d3d11_decoder_reset_unlocked (GstD3D11Decoder * decoder)
{
GstD3D11DecoderPrivate *priv;
priv = decoder->priv;
gst_clear_object (&priv->internal_pool);
if (priv->decoder) {
ID3D11VideoDecoder_Release (priv->decoder);
priv->decoder = NULL;
}
if (priv->staging) {
ID3D11Texture2D_Release (priv->staging);
priv->staging = NULL;
}
decoder->opened = FALSE;
}
void
gst_d3d11_decoder_reset (GstD3D11Decoder * decoder)
{
GstD3D11DecoderPrivate *priv;
g_return_if_fail (GST_IS_D3D11_DECODER (decoder));
priv = decoder->priv;
gst_d3d11_device_lock (priv->device);
gst_d3d11_decoder_reset_unlocked (decoder);
gst_d3d11_device_unlock (priv->device);
}
static void
gst_d3d11_decoder_dispose (GObject * obj)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (obj);
GstD3D11DecoderPrivate *priv = self->priv;
if (priv->device) {
gst_d3d11_decoder_close (self);
gst_object_unref (priv->device);
priv->device = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
GstD3D11Decoder *
gst_d3d11_decoder_new (GstD3D11Device * device)
{
GstD3D11Decoder *decoder;
GstD3D11DecoderPrivate *priv;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
decoder = g_object_new (GST_TYPE_D3D11_DECODER, "device", device, NULL);
priv = decoder->priv;
if (!priv->video_device || !priv->video_context) {
gst_object_unref (decoder);
return NULL;
}
gst_object_ref_sink (decoder);
return decoder;
}
static void
gst_d3d11_decoder_output_view_free (GstD3D11DecoderOutputView * view)
{
GST_DEBUG_OBJECT (view->device, "Free view %p", view);
if (view->handle) {
gst_d3d11_device_lock (view->device);
ID3D11VideoDecoderOutputView_Release (view->handle);
gst_d3d11_device_unlock (view->device);
}
gst_clear_object (&view->device);
g_free (view);
}
static gboolean
gst_d3d11_decoder_ensure_output_view (GstD3D11Decoder * self,
GstBuffer * buffer)
{
GstD3D11DecoderPrivate *priv = self->priv;
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc = { 0, };
GstD3D11Memory *mem;
GstD3D11DecoderOutputView *view;
ID3D11VideoDecoderOutputView *view_handle;
HRESULT hr;
mem = (GstD3D11Memory *) gst_buffer_peek_memory (buffer, 0);
view = (GstD3D11DecoderOutputView *)
gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK);
if (view)
return TRUE;
view_desc.DecodeProfile = priv->decoder_profile;
view_desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
view_desc.Texture2D.ArraySlice = mem->subresource_index;
GST_LOG_OBJECT (self,
"Create decoder output view with index %d", mem->subresource_index);
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (priv->video_device,
(ID3D11Resource *) mem->texture, &view_desc, &view_handle);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (self,
"Could not create decoder output view, hr: 0x%x", (guint) hr);
return FALSE;
}
view = g_new0 (GstD3D11DecoderOutputView, 1);
view->device = gst_object_ref (priv->device);
view->handle = view_handle;
view->view_id = mem->subresource_index;
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK,
view, (GDestroyNotify) gst_d3d11_decoder_output_view_free);
return TRUE;
}
/* Must be called from D3D11Device thread */
static gboolean
gst_d3d11_decoder_prepare_output_view_pool (GstD3D11Decoder * self,
GstVideoInfo * info, guint coded_width, guint coded_height,
guint pool_size, const GUID * decoder_profile)
{
GstD3D11DecoderPrivate *priv = self->priv;
GstD3D11AllocationParams *alloc_params = NULL;
GstBufferPool *pool = NULL;
GstStructure *config = NULL;
GstCaps *caps = NULL;
GstVideoAlignment align;
gst_clear_object (&priv->internal_pool);
alloc_params = gst_d3d11_allocation_params_new (priv->device, info,
GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY, D3D11_BIND_DECODER);
if (!alloc_params) {
GST_ERROR_OBJECT (self, "Failed to create allocation param");
goto error;
}
alloc_params->desc[0].ArraySize = pool_size;
gst_video_alignment_reset (&align);
align.padding_right = coded_width - GST_VIDEO_INFO_WIDTH (info);
align.padding_bottom = coded_height - GST_VIDEO_INFO_HEIGHT (info);
if (!gst_d3d11_allocation_params_alignment (alloc_params, &align)) {
GST_ERROR_OBJECT (self, "Cannot set alignment");
return FALSE;
}
pool = gst_d3d11_buffer_pool_new (priv->device);
if (!pool) {
GST_ERROR_OBJECT (self, "Failed to create buffer pool");
goto error;
}
/* Setup buffer pool */
config = gst_buffer_pool_get_config (pool);
caps = gst_video_info_to_caps (info);
if (!caps) {
GST_ERROR_OBJECT (self, "Couldn't convert video info to caps");
goto error;
}
gst_buffer_pool_config_set_params (config, caps, GST_VIDEO_INFO_SIZE (info),
0, pool_size);
gst_buffer_pool_config_set_d3d11_allocation_params (config, alloc_params);
gst_caps_unref (caps);
gst_d3d11_allocation_params_free (alloc_params);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
if (!gst_buffer_pool_set_config (pool, config)) {
GST_ERROR_OBJECT (self, "Invalid pool config");
goto error;
}
if (!gst_buffer_pool_set_active (pool, TRUE)) {
GST_ERROR_OBJECT (self, "Couldn't activate pool");
goto error;
}
priv->internal_pool = pool;
return TRUE;
error:
if (alloc_params)
gst_d3d11_allocation_params_free (alloc_params);
if (pool)
gst_object_unref (pool);
if (caps)
gst_caps_unref (caps);
return FALSE;
}
gboolean
gst_d3d11_decoder_get_supported_decoder_profile (GstD3D11Decoder * decoder,
const GUID ** decoder_profiles, guint profile_size, GUID * selected_profile)
{
GstD3D11DecoderPrivate *priv;
GUID *guid_list = NULL;
const GUID *profile = NULL;
guint available_profile_count;
gint i, j;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (decoder_profiles != NULL, FALSE);
g_return_val_if_fail (profile_size > 0, FALSE);
g_return_val_if_fail (selected_profile != NULL, FALSE);
priv = decoder->priv;
available_profile_count =
ID3D11VideoDevice_GetVideoDecoderProfileCount (priv->video_device);
if (available_profile_count == 0) {
GST_WARNING_OBJECT (decoder, "No available decoder profile");
return FALSE;
}
GST_DEBUG_OBJECT (decoder,
"Have %u available decoder profiles", available_profile_count);
guid_list = g_alloca (sizeof (GUID) * available_profile_count);
for (i = 0; i < available_profile_count; i++) {
hr = ID3D11VideoDevice_GetVideoDecoderProfile (priv->video_device,
i, &guid_list[i]);
if (!gst_d3d11_result (hr, priv->device)) {
GST_WARNING_OBJECT (decoder, "Failed to get %d th decoder profile", i);
return FALSE;
}
}
#ifndef GST_DISABLE_GST_DEBUG
GST_LOG_OBJECT (decoder, "Supported decoder GUID");
for (i = 0; i < available_profile_count; i++) {
const GUID *guid = &guid_list[i];
GST_LOG_OBJECT (decoder,
"\t { %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
(guint) guid->Data1, (guint) guid->Data2, (guint) guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
}
GST_LOG_OBJECT (decoder, "Requested decoder GUID");
for (i = 0; i < profile_size; i++) {
const GUID *guid = decoder_profiles[i];
GST_LOG_OBJECT (decoder,
"\t { %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
(guint) guid->Data1, (guint) guid->Data2, (guint) guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
}
#endif
for (i = 0; i < profile_size; i++) {
for (j = 0; j < available_profile_count; j++) {
if (IsEqualGUID (decoder_profiles[i], &guid_list[j])) {
profile = decoder_profiles[i];
break;
}
}
}
if (!profile) {
GST_WARNING_OBJECT (decoder, "No supported decoder profile");
return FALSE;
}
*selected_profile = *profile;
GST_DEBUG_OBJECT (decoder,
"Selected guid "
"{ %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
(guint) selected_profile->Data1, (guint) selected_profile->Data2,
(guint) selected_profile->Data3,
selected_profile->Data4[0], selected_profile->Data4[1],
selected_profile->Data4[2], selected_profile->Data4[3],
selected_profile->Data4[4], selected_profile->Data4[5],
selected_profile->Data4[6], selected_profile->Data4[7]);
return TRUE;
}
gboolean
gst_d3d11_decoder_open (GstD3D11Decoder * decoder, GstD3D11Codec codec,
GstVideoInfo * info, guint coded_width, guint coded_height,
guint pool_size, const GUID ** decoder_profiles, guint profile_size)
{
GstD3D11DecoderPrivate *priv;
const GstD3D11Format *d3d11_format;
HRESULT hr;
BOOL can_support = FALSE;
guint config_count;
D3D11_VIDEO_DECODER_CONFIG *config_list;
D3D11_VIDEO_DECODER_CONFIG *best_config = NULL;
D3D11_VIDEO_DECODER_DESC decoder_desc = { 0, };
GUID selected_profile;
gint i;
guint aligned_width, aligned_height;
guint alignment;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (codec > GST_D3D11_CODEC_NONE, FALSE);
g_return_val_if_fail (codec < GST_D3D11_CODEC_LAST, FALSE);
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (coded_width >= GST_VIDEO_INFO_WIDTH (info), FALSE);
g_return_val_if_fail (coded_height >= GST_VIDEO_INFO_HEIGHT (info), FALSE);
g_return_val_if_fail (pool_size > 0, FALSE);
g_return_val_if_fail (decoder_profiles != NULL, FALSE);
g_return_val_if_fail (profile_size > 0, FALSE);
priv = decoder->priv;
decoder->opened = FALSE;
d3d11_format = gst_d3d11_device_format_from_gst (priv->device,
GST_VIDEO_INFO_FORMAT (info));
if (!d3d11_format || d3d11_format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (decoder, "Could not determine dxgi format from %s",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)));
return FALSE;
}
gst_d3d11_device_lock (priv->device);
if (!gst_d3d11_decoder_get_supported_decoder_profile (decoder,
decoder_profiles, profile_size, &selected_profile)) {
goto error;
}
hr = ID3D11VideoDevice_CheckVideoDecoderFormat (priv->video_device,
&selected_profile, d3d11_format->dxgi_format, &can_support);
if (!gst_d3d11_result (hr, priv->device) || !can_support) {
GST_ERROR_OBJECT (decoder,
"VideoDevice could not support dxgi format %d, hr: 0x%x",
d3d11_format->dxgi_format, (guint) hr);
goto error;
}
gst_d3d11_decoder_reset_unlocked (decoder);
/* NOTE: other dxva implementations (ffmpeg and vlc) do this
* and they say the required alignment were mentioned by dxva spec.
* See ff_dxva2_common_frame_params() in dxva.c of ffmpeg and
* directx_va_Setup() in directx_va.c of vlc.
* But... where it is? */
switch (codec) {
case GST_D3D11_CODEC_H265:
alignment = 128;
break;
default:
alignment = 16;
break;
}
aligned_width = GST_ROUND_UP_N (coded_width, alignment);
aligned_height = GST_ROUND_UP_N (coded_height, alignment);
if (aligned_width != coded_width || aligned_height != coded_height) {
GST_DEBUG_OBJECT (decoder,
"coded resolution %dx%d is not aligned to %d, adjust to %dx%d",
coded_width, coded_height, alignment, aligned_width, aligned_height);
}
decoder_desc.SampleWidth = aligned_width;
decoder_desc.SampleHeight = aligned_height;
decoder_desc.OutputFormat = d3d11_format->dxgi_format;
decoder_desc.Guid = selected_profile;
hr = ID3D11VideoDevice_GetVideoDecoderConfigCount (priv->video_device,
&decoder_desc, &config_count);
if (!gst_d3d11_result (hr, priv->device) || config_count == 0) {
GST_ERROR_OBJECT (decoder, "Could not get decoder config count, hr: 0x%x",
(guint) hr);
goto error;
}
GST_DEBUG_OBJECT (decoder, "Total %d config available", config_count);
config_list = g_alloca (sizeof (D3D11_VIDEO_DECODER_CONFIG) * config_count);
for (i = 0; i < config_count; i++) {
hr = ID3D11VideoDevice_GetVideoDecoderConfig (priv->video_device,
&decoder_desc, i, &config_list[i]);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (decoder, "Could not get decoder %dth config, hr: 0x%x",
i, (guint) hr);
goto error;
}
/* FIXME: need support DXVA_Slice_H264_Long ?? */
/* this config uses DXVA_Slice_H264_Short */
if (codec == GST_D3D11_CODEC_H264 && config_list[i].ConfigBitstreamRaw == 2) {
best_config = &config_list[i];
break;
}
if ((codec == GST_D3D11_CODEC_VP9 || codec == GST_D3D11_CODEC_H265)
&& config_list[i].ConfigBitstreamRaw == 1) {
best_config = &config_list[i];
break;
}
}
if (best_config == NULL) {
GST_ERROR_OBJECT (decoder, "Could not determine decoder config");
goto error;
}
if (!gst_d3d11_decoder_prepare_output_view_pool (decoder,
info, aligned_width, aligned_height, pool_size, &selected_profile)) {
GST_ERROR_OBJECT (decoder, "Couldn't prepare output view pool");
goto error;
}
hr = ID3D11VideoDevice_CreateVideoDecoder (priv->video_device,
&decoder_desc, best_config, &priv->decoder);
if (!gst_d3d11_result (hr, priv->device) || !priv->decoder) {
GST_ERROR_OBJECT (decoder,
"Could not create decoder object, hr: 0x%x", (guint) hr);
goto error;
}
GST_DEBUG_OBJECT (decoder, "Decoder object %p created", priv->decoder);
/* create stage texture to copy out */
memset (&priv->staging_desc, 0, sizeof (D3D11_TEXTURE2D_DESC));
priv->staging_desc.Width = GST_VIDEO_INFO_WIDTH (info);
priv->staging_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
priv->staging_desc.MipLevels = 1;
priv->staging_desc.Format = d3d11_format->dxgi_format;
priv->staging_desc.SampleDesc.Count = 1;
priv->staging_desc.ArraySize = 1;
priv->staging_desc.Usage = D3D11_USAGE_STAGING;
priv->staging_desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
priv->staging = gst_d3d11_device_create_texture (priv->device,
&priv->staging_desc, NULL);
if (!priv->staging) {
GST_ERROR_OBJECT (decoder, "Couldn't create staging texture");
goto error;
}
/* This D3D11_BOX structure is used to copy decoder view to staging texture,
* in case of system memory downstream.
* Since resolution of decoder view might be larger than this staging texture,
* this D3D11_BOX structure will guide the target area which need to be copied.
*/
priv->staging_box.left = 0;
priv->staging_box.top = 0;
priv->staging_box.front = 0;
priv->staging_box.back = 1;
priv->staging_box.right = GST_VIDEO_INFO_WIDTH (info);
priv->staging_box.bottom = GST_VIDEO_INFO_HEIGHT (info);
priv->decoder_profile = selected_profile;
decoder->opened = TRUE;
gst_d3d11_device_unlock (priv->device);
return TRUE;
error:
gst_d3d11_device_unlock (priv->device);
return FALSE;
}
gboolean
gst_d3d11_decoder_begin_frame (GstD3D11Decoder * decoder,
GstD3D11DecoderOutputView * output_view, guint content_key_size,
gconstpointer content_key)
{
GstD3D11DecoderPrivate *priv;
guint retry_count = 0;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (output_view != NULL, FALSE);
g_return_val_if_fail (output_view->handle != NULL, FALSE);
priv = decoder->priv;
do {
GST_LOG_OBJECT (decoder, "Try begin frame, retry count %d", retry_count);
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_DecoderBeginFrame (priv->video_context,
priv->decoder, output_view->handle, content_key_size, content_key);
gst_d3d11_device_unlock (priv->device);
if (hr == E_PENDING && retry_count < 50) {
GST_LOG_OBJECT (decoder, "GPU busy, try again");
/* HACK: no better idea other than sleep...
* 1ms waiting like msdkdec */
g_usleep (1000);
} else {
if (gst_d3d11_result (hr, priv->device))
GST_LOG_OBJECT (decoder, "Success with retry %d", retry_count);
break;
}
retry_count++;
} while (TRUE);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (decoder, "Failed to begin frame, hr: 0x%x", (guint) hr);
return FALSE;
}
return TRUE;
}
gboolean
gst_d3d11_decoder_end_frame (GstD3D11Decoder * decoder)
{
GstD3D11DecoderPrivate *priv;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
priv = decoder->priv;
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_DecoderEndFrame (priv->video_context, priv->decoder);
gst_d3d11_device_unlock (priv->device);
if (!gst_d3d11_result (hr, priv->device)) {
GST_WARNING_OBJECT (decoder, "EndFrame failed, hr: 0x%x", (guint) hr);
return FALSE;
}
return TRUE;
}
gboolean
gst_d3d11_decoder_get_decoder_buffer (GstD3D11Decoder * decoder,
D3D11_VIDEO_DECODER_BUFFER_TYPE type, guint * buffer_size,
gpointer * buffer)
{
GstD3D11DecoderPrivate *priv;
UINT size;
void *decoder_buffer;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
priv = decoder->priv;
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_GetDecoderBuffer (priv->video_context,
priv->decoder, type, &size, &decoder_buffer);
gst_d3d11_device_unlock (priv->device);
if (!gst_d3d11_result (hr, priv->device)) {
GST_WARNING_OBJECT (decoder, "Getting buffer type %d error, hr: 0x%x",
type, (guint) hr);
return FALSE;
}
*buffer_size = size;
*buffer = decoder_buffer;
return TRUE;
}
gboolean
gst_d3d11_decoder_release_decoder_buffer (GstD3D11Decoder * decoder,
D3D11_VIDEO_DECODER_BUFFER_TYPE type)
{
GstD3D11DecoderPrivate *priv;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
priv = decoder->priv;
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_ReleaseDecoderBuffer (priv->video_context,
priv->decoder, type);
gst_d3d11_device_unlock (priv->device);
if (!gst_d3d11_result (hr, priv->device)) {
GST_WARNING_OBJECT (decoder, "ReleaseDecoderBuffer failed, hr: 0x%x",
(guint) hr);
return FALSE;
}
return TRUE;
}
gboolean
gst_d3d11_decoder_submit_decoder_buffers (GstD3D11Decoder * decoder,
guint buffer_count, const D3D11_VIDEO_DECODER_BUFFER_DESC * buffers)
{
GstD3D11DecoderPrivate *priv;
HRESULT hr;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
priv = decoder->priv;
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_SubmitDecoderBuffers (priv->video_context,
priv->decoder, buffer_count, buffers);
gst_d3d11_device_unlock (priv->device);
if (!gst_d3d11_result (hr, priv->device)) {
GST_WARNING_OBJECT (decoder, "SubmitDecoderBuffers failed, hr: 0x%x",
(guint) hr);
return FALSE;
}
return TRUE;
}
GstBuffer *
gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder)
{
GstD3D11DecoderPrivate *priv;
GstBuffer *buf = NULL;
GstFlowReturn ret;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
priv = decoder->priv;
ret = gst_buffer_pool_acquire_buffer (priv->internal_pool, &buf, NULL);
if (ret != GST_FLOW_OK || !buf) {
GST_ERROR_OBJECT (decoder, "Couldn't get buffer from pool, ret %s",
gst_flow_get_name (ret));
return NULL;
}
if (!gst_d3d11_decoder_ensure_output_view (decoder, buf)) {
GST_ERROR_OBJECT (decoder, "Output view unavailable");
gst_buffer_unref (buf);
return NULL;
}
return buf;
}
GstD3D11DecoderOutputView *
gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
GstBuffer * buffer)
{
GstMemory *mem;
GstD3D11DecoderOutputView *view;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), NULL);
g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
mem = gst_buffer_peek_memory (buffer, 0);
if (!gst_is_d3d11_memory (mem)) {
GST_WARNING_OBJECT (decoder, "nemory is not d3d11 memory");
return NULL;
}
view = (GstD3D11DecoderOutputView *)
gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK);
if (!view) {
GST_WARNING_OBJECT (decoder, "memory does not have output view");
}
return view;
}
guint
gst_d3d11_decoder_get_output_view_index (GstD3D11Decoder * decoder,
ID3D11VideoDecoderOutputView * view_handle)
{
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), 0xff);
g_return_val_if_fail (view_handle != NULL, 0xff);
ID3D11VideoDecoderOutputView_GetDesc (view_handle, &view_desc);
return view_desc.Texture2D.ArraySlice;
}
static gboolean
copy_to_system (GstD3D11Decoder * self, GstVideoInfo * info,
GstBuffer * decoder_buffer, GstBuffer * output)
{
GstD3D11DecoderPrivate *priv = self->priv;
D3D11_TEXTURE2D_DESC *desc = &priv->staging_desc;
GstVideoFrame out_frame;
gint i;
GstD3D11Memory *in_mem;
D3D11_MAPPED_SUBRESOURCE map;
gsize offset[GST_VIDEO_MAX_PLANES];
gint stride[GST_VIDEO_MAX_PLANES];
gsize dummy;
HRESULT hr;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (priv->device);
if (!gst_video_frame_map (&out_frame, info, output, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Couldn't map output buffer");
return FALSE;
}
in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, 0);
gst_d3d11_device_lock (priv->device);
ID3D11DeviceContext_CopySubresourceRegion (device_context,
(ID3D11Resource *) priv->staging, 0, 0, 0, 0,
(ID3D11Resource *) in_mem->texture, in_mem->subresource_index,
&priv->staging_box);
hr = ID3D11DeviceContext_Map (device_context,
(ID3D11Resource *) priv->staging, 0, D3D11_MAP_READ, 0, &map);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (self, "Failed to map, hr: 0x%x", (guint) hr);
gst_d3d11_device_unlock (priv->device);
return FALSE;
}
gst_d3d11_dxgi_format_get_size (desc->Format, desc->Width, desc->Height,
map.RowPitch, offset, stride, &dummy);
for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (&out_frame); i++) {
guint8 *src, *dst;
gint j;
gint width;
src = (guint8 *) map.pData + offset[i];
dst = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, i);
width = GST_VIDEO_FRAME_COMP_WIDTH (&out_frame, i) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&out_frame, i);
for (j = 0; j < GST_VIDEO_FRAME_COMP_HEIGHT (&out_frame, i); j++) {
memcpy (dst, src, width);
dst += GST_VIDEO_FRAME_PLANE_STRIDE (&out_frame, i);
src += map.RowPitch;
}
}
gst_video_frame_unmap (&out_frame);
ID3D11DeviceContext_Unmap (device_context, (ID3D11Resource *) priv->staging,
0);
gst_d3d11_device_unlock (priv->device);
return TRUE;
}
static gboolean
copy_to_d3d11 (GstD3D11Decoder * self, GstVideoInfo * info,
GstBuffer * decoder_buffer, GstBuffer * output)
{
GstD3D11DecoderPrivate *priv = self->priv;
gint i;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (priv->device);
gst_d3d11_device_lock (priv->device);
for (i = 0; i < gst_buffer_n_memory (output); i++) {
GstD3D11Memory *in_mem;
GstD3D11Memory *out_mem;
D3D11_BOX src_box;
D3D11_TEXTURE2D_DESC desc;
in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, i);
out_mem = (GstD3D11Memory *) gst_buffer_peek_memory (output, i);
ID3D11Texture2D_GetDesc (out_mem->texture, &desc);
src_box.left = 0;
src_box.top = 0;
src_box.front = 0;
src_box.back = 1;
src_box.right = desc.Width;
src_box.bottom = desc.Height;
ID3D11DeviceContext_CopySubresourceRegion (device_context,
(ID3D11Resource *) out_mem->texture,
out_mem->subresource_index, 0, 0, 0,
(ID3D11Resource *) in_mem->texture, in_mem->subresource_index,
&src_box);
GST_MINI_OBJECT_FLAG_SET (out_mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
}
gst_d3d11_device_unlock (priv->device);
return TRUE;
}
gboolean
gst_d3d11_decoder_copy_decoder_buffer (GstD3D11Decoder * decoder,
GstVideoInfo * info, GstBuffer * decoder_buffer, GstBuffer * output)
{
GstD3D11DecoderPrivate *priv;
gboolean can_device_copy = TRUE;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_BUFFER (decoder_buffer), FALSE);
g_return_val_if_fail (GST_IS_BUFFER (output), FALSE);
priv = decoder->priv;
if (gst_buffer_n_memory (decoder_buffer) == gst_buffer_n_memory (output)) {
gint i;
for (i = 0; i < gst_buffer_n_memory (output); i++) {
GstMemory *mem;
GstD3D11Memory *dmem;
mem = gst_buffer_peek_memory (output, i);
if (!gst_is_d3d11_memory (mem)) {
can_device_copy = FALSE;
break;
}
dmem = (GstD3D11Memory *) mem;
if (dmem->device != priv->device) {
can_device_copy = FALSE;
break;
}
}
} else {
can_device_copy = FALSE;
}
if (can_device_copy) {
return copy_to_d3d11 (decoder, info, decoder_buffer, output);
}
return copy_to_system (decoder, info, decoder_buffer, output);
}
static const gchar *
gst_d3d11_decoder_status_code_to_verbose_string (guint status_code)
{
const gchar *status = NULL;
switch (status_code) {
case 0:
status = "The operation succeeded";
break;
case 1:
status = "Minor problem in the data format. "
"The host decoder should continue processing";
break;
case 2:
status = "Significant problem in the data format. The host decoder may "
"continue executing or skip the display of the output picture";
break;
case 3:
status = "Severe problem in the data format. The host decoder should "
"restart the entire decoding process, starting at a sequence or "
"random-access entry point";
break;
case 4:
status =
"Other severe problem. The host decoder should restart the entire "
"decoding process, starting at a sequence or random-access entry point";
break;
default:
status = "Unknown status";
break;
}
return status;
}
gboolean
gst_d3d11_decoder_get_status_report (GstD3D11Decoder * decoder,
GstDXVAStatus * status, GError ** err)
{
GstD3D11DecoderPrivate *priv;
HRESULT hr;
D3D11_VIDEO_DECODER_EXTENSION extension = { 0, };
gboolean ret;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (status != NULL, FALSE);
priv = decoder->priv;
/* For status report */
extension.Function = 7;
extension.pPrivateOutputData = (PVOID) status;
extension.PrivateOutputDataSize = sizeof (GstDXVAStatus);
gst_d3d11_device_lock (priv->device);
hr = ID3D11VideoContext_DecoderExtension (priv->video_context, priv->decoder,
&extension);
gst_d3d11_device_unlock (priv->device);
ret = gst_d3d11_result (hr, priv->device);
if (ret && status->bStatus != 0) {
/* TODO: if status code is 3 or 4, we might need to restart decoding
* from new keyframe */
GST_WARNING_OBJECT (decoder,
"Status code: %d, StatusReportFeedbackNumber: %d, "
"CurrPic.Index7Bits: %d, CurrPic.AssociatedFlag: %d, bBufType: %d, "
"wNumMbsAffected: %d", status->bStatus,
status->StatusReportFeedbackNumber,
status->CurrPic.Index7Bits, status->CurrPic.AssociatedFlag,
status->bBufType, status->wNumMbsAffected);
if (status->bStatus > 1) {
const gchar *status_str =
gst_d3d11_decoder_status_code_to_verbose_string (status->bStatus);
g_set_error_literal (err, GST_STREAM_ERROR,
GST_STREAM_ERROR_DECODE, status_str);
}
}
return ret;
}
/* Keep sync with chromium and keep in sorted order.
* See supported_profile_helpers.cc in chromium */
static const guint legacy_amd_list[] = {
0x130f, 0x6700, 0x6701, 0x6702, 0x6703, 0x6704, 0x6705, 0x6706, 0x6707,
0x6708, 0x6709, 0x6718, 0x6719, 0x671c, 0x671d, 0x671f, 0x6720, 0x6721,
0x6722, 0x6723, 0x6724, 0x6725, 0x6726, 0x6727, 0x6728, 0x6729, 0x6738,
0x6739, 0x673e, 0x6740, 0x6741, 0x6742, 0x6743, 0x6744, 0x6745, 0x6746,
0x6747, 0x6748, 0x6749, 0x674a, 0x6750, 0x6751, 0x6758, 0x6759, 0x675b,
0x675d, 0x675f, 0x6760, 0x6761, 0x6762, 0x6763, 0x6764, 0x6765, 0x6766,
0x6767, 0x6768, 0x6770, 0x6771, 0x6772, 0x6778, 0x6779, 0x677b, 0x6798,
0x67b1, 0x6821, 0x683d, 0x6840, 0x6841, 0x6842, 0x6843, 0x6849, 0x6850,
0x6858, 0x6859, 0x6880, 0x6888, 0x6889, 0x688a, 0x688c, 0x688d, 0x6898,
0x6899, 0x689b, 0x689c, 0x689d, 0x689e, 0x68a0, 0x68a1, 0x68a8, 0x68a9,
0x68b0, 0x68b8, 0x68b9, 0x68ba, 0x68be, 0x68bf, 0x68c0, 0x68c1, 0x68c7,
0x68c8, 0x68c9, 0x68d8, 0x68d9, 0x68da, 0x68de, 0x68e0, 0x68e1, 0x68e4,
0x68e5, 0x68e8, 0x68e9, 0x68f1, 0x68f2, 0x68f8, 0x68f9, 0x68fa, 0x68fe,
0x9400, 0x9401, 0x9402, 0x9403, 0x9405, 0x940a, 0x940b, 0x940f, 0x9440,
0x9441, 0x9442, 0x9443, 0x9444, 0x9446, 0x944a, 0x944b, 0x944c, 0x944e,
0x9450, 0x9452, 0x9456, 0x945a, 0x945b, 0x945e, 0x9460, 0x9462, 0x946a,
0x946b, 0x947a, 0x947b, 0x9480, 0x9487, 0x9488, 0x9489, 0x948a, 0x948f,
0x9490, 0x9491, 0x9495, 0x9498, 0x949c, 0x949e, 0x949f, 0x94a0, 0x94a1,
0x94a3, 0x94b1, 0x94b3, 0x94b4, 0x94b5, 0x94b9, 0x94c0, 0x94c1, 0x94c3,
0x94c4, 0x94c5, 0x94c6, 0x94c7, 0x94c8, 0x94c9, 0x94cb, 0x94cc, 0x94cd,
0x9500, 0x9501, 0x9504, 0x9505, 0x9506, 0x9507, 0x9508, 0x9509, 0x950f,
0x9511, 0x9515, 0x9517, 0x9519, 0x9540, 0x9541, 0x9542, 0x954e, 0x954f,
0x9552, 0x9553, 0x9555, 0x9557, 0x955f, 0x9580, 0x9581, 0x9583, 0x9586,
0x9587, 0x9588, 0x9589, 0x958a, 0x958b, 0x958c, 0x958d, 0x958e, 0x958f,
0x9590, 0x9591, 0x9593, 0x9595, 0x9596, 0x9597, 0x9598, 0x9599, 0x959b,
0x95c0, 0x95c2, 0x95c4, 0x95c5, 0x95c6, 0x95c7, 0x95c9, 0x95cc, 0x95cd,
0x95ce, 0x95cf, 0x9610, 0x9611, 0x9612, 0x9613, 0x9614, 0x9615, 0x9616,
0x9640, 0x9641, 0x9642, 0x9643, 0x9644, 0x9645, 0x9647, 0x9648, 0x9649,
0x964a, 0x964b, 0x964c, 0x964e, 0x964f, 0x9710, 0x9711, 0x9712, 0x9713,
0x9714, 0x9715, 0x9802, 0x9803, 0x9804, 0x9805, 0x9806, 0x9807, 0x9808,
0x9809, 0x980a, 0x9830, 0x983d, 0x9850, 0x9851, 0x9874, 0x9900, 0x9901,
0x9903, 0x9904, 0x9905, 0x9906, 0x9907, 0x9908, 0x9909, 0x990a, 0x990b,
0x990c, 0x990d, 0x990e, 0x990f, 0x9910, 0x9913, 0x9917, 0x9918, 0x9919,
0x9990, 0x9991, 0x9992, 0x9993, 0x9994, 0x9995, 0x9996, 0x9997, 0x9998,
0x9999, 0x999a, 0x999b, 0x999c, 0x999d, 0x99a0, 0x99a2, 0x99a4
};
static const guint legacy_intel_list[] = {
0x102, 0x106, 0x116, 0x126, 0x152, 0x156, 0x166,
0x402, 0x406, 0x416, 0x41e, 0xa06, 0xa16, 0xf31,
};
static gint
binary_search_compare (const guint * a, const guint * b)
{
return *a - *b;
}
/* Certain AMD GPU drivers like R600, R700, Evergreen and Cayman and some second
* generation Intel GPU drivers crash if we create a video device with a
* resolution higher then 1920 x 1088. This function checks if the GPU is in
* this list and if yes returns true. */
gboolean
gst_d3d11_decoder_util_is_legacy_device (GstD3D11Device * device)
{
const guint amd_id[] = { 0x1002, 0x1022 };
const guint intel_id = 0x8086;
guint device_id = 0;
guint vendor_id = 0;
guint *match = NULL;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), FALSE);
g_object_get (device, "device-id", &device_id, "vendor-id", &vendor_id, NULL);
if (vendor_id == amd_id[0] || vendor_id == amd_id[1]) {
match =
(guint *) gst_util_array_binary_search ((gpointer) legacy_amd_list,
G_N_ELEMENTS (legacy_amd_list), sizeof (guint),
(GCompareDataFunc) binary_search_compare,
GST_SEARCH_MODE_EXACT, &device_id, NULL);
} else if (vendor_id == intel_id) {
match =
(guint *) gst_util_array_binary_search ((gpointer) legacy_intel_list,
G_N_ELEMENTS (legacy_intel_list), sizeof (guint),
(GCompareDataFunc) binary_search_compare,
GST_SEARCH_MODE_EXACT, &device_id, NULL);
}
if (match) {
GST_DEBUG_OBJECT (device, "it's legacy device");
return TRUE;
}
return FALSE;
}
gboolean
gst_d3d11_decoder_supports_format (GstD3D11Decoder * decoder,
const GUID * decoder_profile, DXGI_FORMAT format)
{
GstD3D11DecoderPrivate *priv;
HRESULT hr;
BOOL can_support = FALSE;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (decoder_profile != NULL, FALSE);
g_return_val_if_fail (format != DXGI_FORMAT_UNKNOWN, FALSE);
priv = decoder->priv;
hr = ID3D11VideoDevice_CheckVideoDecoderFormat (priv->video_device,
decoder_profile, format, &can_support);
if (!gst_d3d11_result (hr, priv->device) || !can_support) {
GST_DEBUG_OBJECT (decoder,
"VideoDevice could not support dxgi format %d, hr: 0x%x",
format, (guint) hr);
return FALSE;
}
return TRUE;
}
/* Don't call this method with legacy device */
gboolean
gst_d3d11_decoder_supports_resolution (GstD3D11Decoder * decoder,
const GUID * decoder_profile, DXGI_FORMAT format, guint width, guint height)
{
D3D11_VIDEO_DECODER_DESC desc;
GstD3D11DecoderPrivate *priv;
HRESULT hr;
UINT config_count;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (decoder_profile != NULL, FALSE);
g_return_val_if_fail (format != DXGI_FORMAT_UNKNOWN, FALSE);
priv = decoder->priv;
desc.SampleWidth = width;
desc.SampleHeight = height;
desc.OutputFormat = format;
desc.Guid = *decoder_profile;
hr = ID3D11VideoDevice_GetVideoDecoderConfigCount (priv->video_device,
&desc, &config_count);
if (!gst_d3d11_result (hr, priv->device) || config_count == 0) {
GST_DEBUG_OBJECT (decoder, "Could not get decoder config count, hr: 0x%x",
(guint) hr);
return FALSE;
}
return TRUE;
}
/**
* gst_d3d11_decoder_class_data_new:
* @device: (transfer none): a #GstD3D11Device
* @sink_caps: (transfer full): a #GstCaps
* @src_caps: (transfer full): a #GstCaps
*
* Create new #GstD3D11DecoderClassData
*
* Returns: (transfer full): the new #GstD3D11DecoderClassData
*/
GstD3D11DecoderClassData *
gst_d3d11_decoder_class_data_new (GstD3D11Device * device,
GstCaps * sink_caps, GstCaps * src_caps)
{
GstD3D11DecoderClassData *ret;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
g_return_val_if_fail (sink_caps != NULL, NULL);
g_return_val_if_fail (src_caps != NULL, NULL);
ret = g_new0 (GstD3D11DecoderClassData, 1);
/* class data will be leaked if the element never gets instantiated */
GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
g_object_get (device, "adapter", &ret->adapter,
"device-id", &ret->device_id, "vendor-id", &ret->vendor_id,
"description", &ret->description, NULL);
ret->sink_caps = sink_caps;
ret->src_caps = src_caps;
return ret;
}
void
gst_d3d11_decoder_class_data_free (GstD3D11DecoderClassData * data)
{
if (!data)
return;
gst_clear_caps (&data->sink_caps);
gst_clear_caps (&data->src_caps);
g_free (data->description);
g_free (data);
}
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