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gstreamer/sys/d3d11/gstd3d11decoder.cpp
Seungha Yang bcdd2c4984 d3d11decoder: Move zero-copy decision logic into decoder object 
Get rid of all duplicated code for zero-copy decision and output buffer
allocation

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2117>
2021-03-28 18:00:28 +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 "gstd3d11converter.h"
#include "gstd3d11pluginutils.h"
#include <string.h>
#ifdef HAVE_WINMM
#include <timeapi.h>
#endif
GST_DEBUG_CATEGORY (d3d11_decoder_debug);
#define GST_CAT_DEFAULT d3d11_decoder_debug
/* GUID might not be defined in MinGW header */
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT, 0x1b81be67, 0xa0c7,
0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT, 0x1b81be68, 0xa0c7,
0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT, 0x1b81be69, 0xa0c7,
0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN,
0x5b11d51b, 0x2f4c, 0x4452, 0xbc, 0xc3, 0x09, 0xf2, 0xa1, 0x16, 0x0c, 0xc0);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN10,
0x107af0e0, 0xef1a, 0x4d19, 0xab, 0xa8, 0x67, 0xa1, 0x63, 0x07, 0x3d, 0x13);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_VP8_VLD,
0x90b899ea, 0x3a62, 0x4705, 0x88, 0xb3, 0x8d, 0xf0, 0x4b, 0x27, 0x44, 0xe7);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_VP9_VLD_PROFILE0,
0x463707f8, 0xa1d0, 0x4585, 0x87, 0x6d, 0x83, 0xaa, 0x6d, 0x60, 0xb8, 0x9e);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_VP9_VLD_10BIT_PROFILE2,
0xa4c749ef, 0x6ecf, 0x48aa, 0x84, 0x48, 0x50, 0xa7, 0xa1, 0x16, 0x5f, 0xf7);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_MPEG2_VLD, 0xee27417f, 0x5e28,
0x4e65, 0xbe, 0xea, 0x1d, 0x26, 0xb5, 0x08, 0xad, 0xc9);
DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_MPEG2and1_VLD, 0x86695f12, 0x340e,
0x4f04, 0x9f, 0xd3, 0x92, 0x53, 0xdd, 0x32, 0x74, 0x60);
static const GUID *profile_h264_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT,
&GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT,
&GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT,
};
static const GUID *profile_hevc_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN,
};
static const GUID *profile_hevc_10_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN10,
};
static const GUID *profile_vp8_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_VP8_VLD,
};
static const GUID *profile_vp9_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_VP9_VLD_PROFILE0,
};
static const GUID *profile_vp9_10_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_VP9_VLD_10BIT_PROFILE2,
};
static const GUID *profile_mpeg2_list[] = {
&GST_GUID_D3D11_DECODER_PROFILE_MPEG2_VLD,
&GST_GUID_D3D11_DECODER_PROFILE_MPEG2and1_VLD
};
enum
{
PROP_0,
PROP_DEVICE,
};
struct _GstD3D11Decoder
{
GstObject parent;
gboolean configured;
gboolean opened;
GstD3D11Device *device;
ID3D11VideoDevice *video_device;
ID3D11VideoContext *video_context;
ID3D11VideoDecoder *decoder_handle;
GstVideoInfo info;
GstVideoInfo output_info;
GstD3D11Codec codec;
gint coded_width;
gint coded_height;
DXGI_FORMAT decoder_format;
gboolean downstream_supports_d3d11;
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
GstBufferPool *internal_pool;
/* Internal pool params */
gint aligned_width;
gint aligned_height;
gboolean use_array_of_texture;
guint dpb_size;
guint downstream_min_buffers;
gboolean wait_on_pool_full;
/* Used for array-of-texture */
guint8 next_view_id;
/* for staging */
ID3D11Texture2D *staging;
gsize staging_texture_offset[GST_VIDEO_MAX_PLANES];
gint stating_texture_stride[GST_VIDEO_MAX_PLANES];
GUID decoder_profile;
/* For device specific workaround */
gboolean can_direct_rendering;
/* For high precision clock */
guint timer_resolution;
};
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);
static void gst_d3d11_decoder_finalize (GObject * obj);
static gboolean gst_d3d11_decoder_can_direct_render (GstD3D11Decoder * decoder,
GstVideoDecoder * videodec, GstBuffer * view_buffer,
gint display_width, gint display_height);
#define parent_class gst_d3d11_decoder_parent_class
G_DEFINE_TYPE (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;
gobject_class->finalize = gst_d3d11_decoder_finalize;
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_object ("device", "Device",
"D3D11 Devicd to use", GST_TYPE_D3D11_DEVICE,
(GParamFlags) (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)
{
}
static void
gst_d3d11_decoder_constructed (GObject * object)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (object);
ID3D11VideoDevice *video_device;
ID3D11VideoContext *video_context;
if (!self->device) {
GST_ERROR_OBJECT (self, "No D3D11Device available");
return;
}
video_device = gst_d3d11_device_get_video_device_handle (self->device);
if (!video_device) {
GST_WARNING_OBJECT (self, "ID3D11VideoDevice is not available");
return;
}
video_context = gst_d3d11_device_get_video_context_handle (self->device);
if (!video_context) {
GST_WARNING_OBJECT (self, "ID3D11VideoContext is not available");
return;
}
self->video_device = video_device;
video_device->AddRef ();
self->video_context = video_context;
video_context->AddRef ();
return;
}
static void
gst_d3d11_decoder_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (object);
switch (prop_id) {
case PROP_DEVICE:
self->device = (GstD3D11Device *) 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);
switch (prop_id) {
case PROP_DEVICE:
g_value_set_object (value, self->device);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_decoder_clear_resource (GstD3D11Decoder * self)
{
if (self->internal_pool) {
gst_buffer_pool_set_active (self->internal_pool, FALSE);
gst_clear_object (&self->internal_pool);
}
GST_D3D11_CLEAR_COM (self->decoder_handle);
GST_D3D11_CLEAR_COM (self->staging);
memset (self->staging_texture_offset,
0, sizeof (self->staging_texture_offset));
memset (self->stating_texture_stride,
0, sizeof (self->stating_texture_stride));
}
static void
gst_d3d11_decoder_reset (GstD3D11Decoder * self)
{
gst_d3d11_decoder_clear_resource (self);
self->dpb_size = 0;
self->downstream_min_buffers = 0;
self->configured = FALSE;
self->opened = FALSE;
self->use_array_of_texture = FALSE;
self->downstream_supports_d3d11 = FALSE;
g_clear_pointer (&self->output_state, gst_video_codec_state_unref);
g_clear_pointer (&self->input_state, gst_video_codec_state_unref);
}
static void
gst_d3d11_decoder_dispose (GObject * obj)
{
GstD3D11Decoder *self = GST_D3D11_DECODER (obj);
gst_d3d11_decoder_reset (self);
GST_D3D11_CLEAR_COM (self->video_device);
GST_D3D11_CLEAR_COM (self->video_context);
gst_clear_object (&self->device);
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
static void
gst_d3d11_decoder_finalize (GObject * obj)
{
#if HAVE_WINMM
GstD3D11Decoder *self = GST_D3D11_DECODER (obj);
/* Restore clock precision */
if (self->timer_resolution)
timeEndPeriod (self->timer_resolution);
#endif
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
GstD3D11Decoder *
gst_d3d11_decoder_new (GstD3D11Device * device)
{
GstD3D11Decoder *self;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
self = (GstD3D11Decoder *)
g_object_new (GST_TYPE_D3D11_DECODER, "device", device, NULL);
if (!self->video_device || !self->video_context) {
gst_object_unref (self);
return NULL;
}
gst_object_ref_sink (self);
return self;
}
gboolean
gst_d3d11_decoder_is_configured (GstD3D11Decoder * decoder)
{
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
return decoder->configured;
}
static GQuark
gst_d3d11_decoder_view_id_quark (void)
{
static gsize id_quark = 0;
if (g_once_init_enter (&id_quark)) {
GQuark quark = g_quark_from_string ("GstD3D11DecoderViewId");
g_once_init_leave (&id_quark, quark);
}
return (GQuark) id_quark;
}
static gboolean
gst_d3d11_decoder_ensure_output_view (GstD3D11Decoder * self,
GstBuffer * buffer)
{
GstD3D11Memory *mem;
gpointer val = NULL;
mem = (GstD3D11Memory *) gst_buffer_peek_memory (buffer, 0);
if (!gst_d3d11_memory_get_decoder_output_view (mem, self->video_device,
&self->decoder_profile)) {
GST_ERROR_OBJECT (self, "Decoder output view is unavailable");
return FALSE;
}
if (!self->use_array_of_texture)
return TRUE;
val = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem),
gst_d3d11_decoder_view_id_quark ());
if (!val) {
g_assert (self->next_view_id < 128);
g_assert (self->next_view_id > 0);
gst_mini_object_set_qdata (GST_MINI_OBJECT (mem),
gst_d3d11_decoder_view_id_quark (),
GUINT_TO_POINTER (self->next_view_id), NULL);
self->next_view_id++;
/* valid view range is [0, 126], but 0 is not used to here
* (it's NULL as well) */
self->next_view_id %= 128;
if (self->next_view_id == 0)
self->next_view_id = 1;
}
return TRUE;
}
static gboolean
gst_d3d11_decoder_prepare_output_view_pool (GstD3D11Decoder * self)
{
GstD3D11AllocationParams *alloc_params = NULL;
GstBufferPool *pool = NULL;
GstCaps *caps = NULL;
GstVideoAlignment align;
GstD3D11AllocationFlags alloc_flags = (GstD3D11AllocationFlags) 0;
gint bind_flags = D3D11_BIND_DECODER;
GstVideoInfo *info = &self->info;
guint pool_size;
if (self->internal_pool) {
gst_buffer_pool_set_active (self->internal_pool, FALSE);
gst_clear_object (&self->internal_pool);
}
if (!self->use_array_of_texture) {
alloc_flags = GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY;
} else {
/* array of texture can have shader resource view */
bind_flags |= D3D11_BIND_SHADER_RESOURCE;
}
alloc_params = gst_d3d11_allocation_params_new (self->device, info,
alloc_flags, bind_flags);
if (!alloc_params) {
GST_ERROR_OBJECT (self, "Failed to create allocation param");
goto error;
}
pool_size = self->dpb_size + self->downstream_min_buffers;
GST_DEBUG_OBJECT (self,
"Configuring internal pool with size %d "
"(dpb size: %d, downstream min buffers: %d)", pool_size, self->dpb_size,
self->downstream_min_buffers);
if (!self->use_array_of_texture) {
alloc_params->desc[0].ArraySize = pool_size;
} else {
/* Valid view id is [0, 126], but we will use [1, 127] range so that
* it can be used by qdata, because zero is equal to null */
self->next_view_id = 1;
/* our pool size can be increased as much as possbile */
pool_size = 0;
}
gst_video_alignment_reset (&align);
align.padding_right = self->aligned_width - GST_VIDEO_INFO_WIDTH (info);
align.padding_bottom = self->aligned_height - GST_VIDEO_INFO_HEIGHT (info);
if (!gst_d3d11_allocation_params_alignment (alloc_params, &align)) {
GST_ERROR_OBJECT (self, "Cannot set alignment");
goto error;
}
caps = gst_video_info_to_caps (info);
if (!caps) {
GST_ERROR_OBJECT (self, "Couldn't convert video info to caps");
goto error;
}
pool = gst_d3d11_buffer_pool_new_with_options (self->device,
caps, alloc_params, 0, pool_size);
gst_clear_caps (&caps);
g_clear_pointer (&alloc_params, gst_d3d11_allocation_params_free);
if (!pool) {
GST_ERROR_OBJECT (self, "Failed to create buffer pool");
goto error;
}
if (!gst_buffer_pool_set_active (pool, TRUE)) {
GST_ERROR_OBJECT (self, "Couldn't activate pool");
goto error;
}
self->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,
GstD3D11Codec codec, GstVideoFormat format, const GUID ** selected_profile)
{
GUID *guid_list = NULL;
const GUID *profile = NULL;
guint available_profile_count;
guint i, j;
HRESULT hr;
ID3D11VideoDevice *video_device;
const GUID **profile_list = NULL;
guint profile_size = 0;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (selected_profile != NULL, FALSE);
switch (codec) {
case GST_D3D11_CODEC_H264:
if (format == GST_VIDEO_FORMAT_NV12) {
profile_list = profile_h264_list;
profile_size = G_N_ELEMENTS (profile_h264_list);
}
break;
case GST_D3D11_CODEC_H265:
if (format == GST_VIDEO_FORMAT_NV12) {
profile_list = profile_hevc_list;
profile_size = G_N_ELEMENTS (profile_hevc_list);
} else if (format == GST_VIDEO_FORMAT_P010_10LE) {
profile_list = profile_hevc_10_list;
profile_size = G_N_ELEMENTS (profile_hevc_10_list);
}
break;
case GST_D3D11_CODEC_VP8:
if (format == GST_VIDEO_FORMAT_NV12) {
profile_list = profile_vp8_list;
profile_size = G_N_ELEMENTS (profile_vp8_list);
}
break;
case GST_D3D11_CODEC_VP9:
if (format == GST_VIDEO_FORMAT_NV12) {
profile_list = profile_vp9_list;
profile_size = G_N_ELEMENTS (profile_vp9_list);
} else if (format == GST_VIDEO_FORMAT_P010_10LE) {
profile_list = profile_vp9_10_list;
profile_size = G_N_ELEMENTS (profile_vp9_10_list);
}
break;
case GST_D3D11_CODEC_MPEG2:
if (format == GST_VIDEO_FORMAT_NV12) {
profile_list = profile_mpeg2_list;
profile_size = G_N_ELEMENTS (profile_mpeg2_list);
}
break;
default:
break;
}
if (!profile_list) {
GST_ERROR_OBJECT (decoder,
"Not supported codec (%d) and format (%s) configuration", codec,
gst_video_format_to_string (format));
return FALSE;
}
video_device = decoder->video_device;
available_profile_count = video_device->GetVideoDecoderProfileCount ();
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 = (GUID *) g_alloca (sizeof (GUID) * available_profile_count);
for (i = 0; i < available_profile_count; i++) {
hr = video_device->GetVideoDecoderProfile (i, &guid_list[i]);
if (!gst_d3d11_result (hr, decoder->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 = profile_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]);
}
#endif
for (i = 0; i < profile_size; i++) {
for (j = 0; j < available_profile_count; j++) {
if (IsEqualGUID (*profile_list[i], guid_list[j])) {
profile = profile_list[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) profile->Data1, (guint) profile->Data2, (guint) profile->Data3,
profile->Data4[0], profile->Data4[1], profile->Data4[2],
profile->Data4[3], profile->Data4[4], profile->Data4[5],
profile->Data4[6], profile->Data4[7]);
return TRUE;
}
gboolean
gst_d3d11_decoder_configure (GstD3D11Decoder * decoder, GstD3D11Codec codec,
GstVideoCodecState * input_state, GstVideoInfo * info, gint coded_width,
gint coded_height, guint dpb_size)
{
const GstD3D11Format *d3d11_format;
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 (input_state != 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 (dpb_size > 0, FALSE);
gst_d3d11_decoder_reset (decoder);
d3d11_format = gst_d3d11_device_format_from_gst (decoder->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;
}
decoder->codec = codec;
decoder->input_state = gst_video_codec_state_ref (input_state);
decoder->info = decoder->output_info = *info;
decoder->coded_width = coded_width;
decoder->coded_height = coded_height;
decoder->dpb_size = dpb_size;
decoder->decoder_format = d3d11_format->dxgi_format;
decoder->configured = TRUE;
return TRUE;
}
static gboolean
gst_d3d11_decoder_ensure_staging_texture (GstD3D11Decoder * self)
{
ID3D11Device *device_handle;
D3D11_TEXTURE2D_DESC desc = { 0, };
HRESULT hr;
if (self->staging)
return TRUE;
device_handle = gst_d3d11_device_get_device_handle (self->device);
/* create stage texture to copy out */
desc.Width = self->aligned_width;
desc.Height = self->aligned_height;
desc.MipLevels = 1;
desc.Format = self->decoder_format;
desc.SampleDesc.Count = 1;
desc.ArraySize = 1;
desc.Usage = D3D11_USAGE_STAGING;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
hr = device_handle->CreateTexture2D (&desc, NULL, &self->staging);
if (!gst_d3d11_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Couldn't create staging texture");
return FALSE;
}
return TRUE;
}
static void
gst_d3d11_decoder_enable_high_precision_timer (GstD3D11Decoder * self)
{
#if HAVE_WINMM
GstD3D11DeviceVendor vendor;
if (self->timer_resolution)
return;
vendor = gst_d3d11_get_device_vendor (self->device);
/* Do this only for NVIDIA at the moment, other vendors doesn't seem to be
* requiring retry for BeginFrame() */
if (vendor == GST_D3D11_DEVICE_VENDOR_NVIDIA) {
TIMECAPS time_caps;
if (timeGetDevCaps (&time_caps, sizeof (TIMECAPS)) == TIMERR_NOERROR) {
guint resolution;
MMRESULT ret;
resolution = MIN (MAX (time_caps.wPeriodMin, 1), time_caps.wPeriodMax);
ret = timeBeginPeriod (resolution);
if (ret == TIMERR_NOERROR) {
self->timer_resolution = resolution;
GST_INFO_OBJECT (self, "Updated timer resolution to %d", resolution);
}
}
}
#endif
}
static gboolean
gst_d3d11_decoder_open (GstD3D11Decoder * self)
{
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, };
const GUID *selected_profile = NULL;
guint i;
gint aligned_width, aligned_height;
guint alignment;
GstD3D11DeviceVendor vendor;
ID3D11VideoDevice *video_device;
GstVideoInfo *info = &self->info;
if (self->opened)
return TRUE;
if (!self->configured) {
GST_ERROR_OBJECT (self, "Should configure first");
return FALSE;
}
video_device = self->video_device;
gst_d3d11_device_lock (self->device);
if (!gst_d3d11_decoder_get_supported_decoder_profile (self,
self->codec, GST_VIDEO_INFO_FORMAT (info), &selected_profile)) {
goto error;
}
hr = video_device->CheckVideoDecoderFormat (selected_profile,
self->decoder_format, &can_support);
if (!gst_d3d11_result (hr, self->device) || !can_support) {
GST_ERROR_OBJECT (self,
"VideoDevice could not support dxgi format %d, hr: 0x%x",
self->decoder_format, (guint) hr);
goto error;
}
gst_d3d11_decoder_clear_resource (self);
self->can_direct_rendering = TRUE;
vendor = gst_d3d11_get_device_vendor (self->device);
switch (vendor) {
case GST_D3D11_DEVICE_VENDOR_XBOX:
case GST_D3D11_DEVICE_VENDOR_QUALCOMM:
/* FIXME: Need to figure out Xbox device's behavior
* https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1312
*
* Qualcomm driver seems to be buggy in zero-copy scenario
*/
self->can_direct_rendering = FALSE;
break;
default:
break;
}
/* 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 (self->codec) {
case GST_D3D11_CODEC_H265:
/* See directx_va_Setup() impl. in vlc */
if (vendor != GST_D3D11_DEVICE_VENDOR_XBOX)
alignment = 128;
else
alignment = 16;
break;
case GST_D3D11_CODEC_MPEG2:
/* XXX: ffmpeg does this */
alignment = 32;
break;
default:
alignment = 16;
break;
}
aligned_width = GST_ROUND_UP_N (self->coded_width, alignment);
aligned_height = GST_ROUND_UP_N (self->coded_height, alignment);
if (aligned_width != self->coded_width ||
aligned_height != self->coded_height) {
GST_DEBUG_OBJECT (self,
"coded resolution %dx%d is not aligned to %d, adjust to %dx%d",
self->coded_width, self->coded_height, alignment, aligned_width,
aligned_height);
}
self->aligned_width = aligned_width;
self->aligned_height = aligned_height;
decoder_desc.SampleWidth = aligned_width;
decoder_desc.SampleHeight = aligned_height;
decoder_desc.OutputFormat = self->decoder_format;
decoder_desc.Guid = *selected_profile;
hr = video_device->GetVideoDecoderConfigCount (&decoder_desc, &config_count);
if (!gst_d3d11_result (hr, self->device) || config_count == 0) {
GST_ERROR_OBJECT (self, "Could not get decoder config count, hr: 0x%x",
(guint) hr);
goto error;
}
GST_DEBUG_OBJECT (self, "Total %d config available", config_count);
config_list = (D3D11_VIDEO_DECODER_CONFIG *)
g_alloca (sizeof (D3D11_VIDEO_DECODER_CONFIG) * config_count);
for (i = 0; i < config_count; i++) {
hr = video_device->GetVideoDecoderConfig (&decoder_desc, i,
&config_list[i]);
if (!gst_d3d11_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "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 */
switch (self->codec) {
case GST_D3D11_CODEC_H264:
if (config_list[i].ConfigBitstreamRaw == 2)
best_config = &config_list[i];
break;
case GST_D3D11_CODEC_H265:
case GST_D3D11_CODEC_VP9:
case GST_D3D11_CODEC_VP8:
case GST_D3D11_CODEC_MPEG2:
if (config_list[i].ConfigBitstreamRaw == 1)
best_config = &config_list[i];
break;
default:
g_assert_not_reached ();
goto error;
}
if (best_config)
break;
}
if (best_config == NULL) {
GST_ERROR_OBJECT (self, "Could not determine decoder config");
goto error;
}
GST_DEBUG_OBJECT (self, "ConfigDecoderSpecific 0x%x",
best_config->ConfigDecoderSpecific);
/* bit 14 is equal to 1b means this config support array of texture and
* it's recommended type as per DXVA spec */
if ((best_config->ConfigDecoderSpecific & 0x4000) == 0x4000) {
GST_DEBUG_OBJECT (self, "Config support array of texture");
self->use_array_of_texture = TRUE;
}
hr = video_device->CreateVideoDecoder (&decoder_desc,
best_config, &self->decoder_handle);
if (!gst_d3d11_result (hr, self->device) || !self->decoder_handle) {
GST_ERROR_OBJECT (self,
"Could not create decoder object, hr: 0x%x", (guint) hr);
goto error;
}
GST_DEBUG_OBJECT (self, "Decoder object %p created", self->decoder_handle);
if (!self->downstream_supports_d3d11 &&
!gst_d3d11_decoder_ensure_staging_texture (self)) {
GST_ERROR_OBJECT (self, "Couldn't prepare staging texture");
goto error;
}
self->decoder_profile = *selected_profile;
/* Store pool related information here, then we will setup internal pool
* later once the number of min buffer size required by downstream is known.
* Actual buffer pool size will be "dpb_size + downstream_min_buffers"
*/
self->downstream_min_buffers = 0;
self->wait_on_pool_full = FALSE;
self->opened = TRUE;
gst_d3d11_device_unlock (self->device);
gst_d3d11_decoder_enable_high_precision_timer (self);
return TRUE;
error:
gst_d3d11_decoder_reset (self);
gst_d3d11_device_unlock (self->device);
return FALSE;
}
gboolean
gst_d3d11_decoder_begin_frame (GstD3D11Decoder * decoder,
ID3D11VideoDecoderOutputView * output_view, guint content_key_size,
gconstpointer content_key)
{
ID3D11VideoContext *video_context;
guint retry_count = 0;
HRESULT hr;
guint retry_threshold = 100;
/* if we have high resolution timer, do more retry */
if (decoder->timer_resolution)
retry_threshold = 500;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (output_view != NULL, FALSE);
video_context = decoder->video_context;
gst_d3d11_device_lock (decoder->device);
do {
GST_LOG_OBJECT (decoder, "Try begin frame, retry count %d", retry_count);
hr = video_context->DecoderBeginFrame (decoder->decoder_handle,
output_view, content_key_size, content_key);
/* HACK: Do retry with 1ms sleep per failure, since DXVA/D3D11
* doesn't provide API for "GPU-IS-READY-TO-DECODE" like signal.
*/
if (hr == E_PENDING && retry_count < retry_threshold) {
GST_LOG_OBJECT (decoder, "GPU is busy, try again. Retry count %d",
retry_count);
g_usleep (1000);
} else {
if (gst_d3d11_result (hr, decoder->device))
GST_LOG_OBJECT (decoder, "Succeeded with retry count %d", retry_count);
break;
}
retry_count++;
} while (TRUE);
gst_d3d11_device_unlock (decoder->device);
if (!gst_d3d11_result (hr, decoder->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)
{
HRESULT hr;
ID3D11VideoContext *video_context;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
video_context = decoder->video_context;
gst_d3d11_device_lock (decoder->device);
hr = video_context->DecoderEndFrame (decoder->decoder_handle);
gst_d3d11_device_unlock (decoder->device);
if (!gst_d3d11_result (hr, decoder->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)
{
UINT size;
void *decoder_buffer;
HRESULT hr;
ID3D11VideoContext *video_context;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
video_context = decoder->video_context;
gst_d3d11_device_lock (decoder->device);
hr = video_context->GetDecoderBuffer (decoder->decoder_handle,
type, &size, &decoder_buffer);
gst_d3d11_device_unlock (decoder->device);
if (!gst_d3d11_result (hr, decoder->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)
{
HRESULT hr;
ID3D11VideoContext *video_context;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
video_context = decoder->video_context;
gst_d3d11_device_lock (decoder->device);
hr = video_context->ReleaseDecoderBuffer (decoder->decoder_handle, type);
gst_d3d11_device_unlock (decoder->device);
if (!gst_d3d11_result (hr, decoder->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)
{
HRESULT hr;
ID3D11VideoContext *video_context;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
video_context = decoder->video_context;
gst_d3d11_device_lock (decoder->device);
hr = video_context->SubmitDecoderBuffers (decoder->decoder_handle,
buffer_count, buffers);
gst_d3d11_device_unlock (decoder->device);
if (!gst_d3d11_result (hr, decoder->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,
GstVideoDecoder * videodec)
{
GstBuffer *buf = NULL;
GstFlowReturn ret;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
if (!decoder->internal_pool) {
gboolean reconfigured;
/* Replicate gst_video_decoder_allocate_output_buffer().
* In case of zero-copy playback, this is the last chance for querying
* required min-buffer size by downstream and take account of
* the min-buffer size into our internel pool size */
GST_VIDEO_DECODER_STREAM_LOCK (videodec);
reconfigured =
gst_pad_check_reconfigure (GST_VIDEO_DECODER_SRC_PAD (videodec));
GST_DEBUG_OBJECT (videodec,
"Downstream was reconfigured, negotiating again");
GST_VIDEO_DECODER_STREAM_UNLOCK (videodec);
if (reconfigured)
gst_video_decoder_negotiate (videodec);
if (!gst_d3d11_decoder_prepare_output_view_pool (decoder)) {
GST_ERROR_OBJECT (videodec, "Failed to setup internal pool");
return NULL;
}
} else if (!gst_buffer_pool_set_active (decoder->internal_pool, TRUE)) {
GST_ERROR_OBJECT (videodec, "Couldn't set active internal pool");
return NULL;
}
ret = gst_buffer_pool_acquire_buffer (decoder->internal_pool, &buf, NULL);
if (ret != GST_FLOW_OK || !buf) {
GST_ERROR_OBJECT (videodec, "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 (videodec, "Output view unavailable");
gst_buffer_unref (buf);
return NULL;
}
return buf;
}
ID3D11VideoDecoderOutputView *
gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
GstBuffer * buffer, guint8 * index)
{
GstMemory *mem;
GstD3D11Memory *dmem;
ID3D11VideoDecoderOutputView *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, "Not a d3d11 memory");
return NULL;
}
dmem = (GstD3D11Memory *) mem;
view = gst_d3d11_memory_get_decoder_output_view (dmem, decoder->video_device,
&decoder->decoder_profile);
if (!view) {
GST_ERROR_OBJECT (decoder, "Decoder output view is unavailable");
return NULL;
}
if (index) {
if (decoder->use_array_of_texture) {
guint8 id;
gpointer val = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem),
gst_d3d11_decoder_view_id_quark ());
if (!val) {
GST_ERROR_OBJECT (decoder, "memory has no qdata");
return NULL;
}
id = (guint8) GPOINTER_TO_UINT (val);
g_assert (id < 128);
*index = (id - 1);
} else {
*index = gst_d3d11_memory_get_subresource_index (dmem);
}
}
return view;
}
static gboolean
copy_to_system (GstD3D11Decoder * self, GstBuffer * decoder_buffer,
GstBuffer * output)
{
GstVideoFrame out_frame;
GstVideoInfo *info = &self->output_info;
guint i;
GstD3D11Memory *in_mem;
D3D11_MAPPED_SUBRESOURCE map;
HRESULT hr;
ID3D11Texture2D *in_texture;
guint in_subresource_index;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (self->device);
if (!gst_d3d11_decoder_ensure_staging_texture (self)) {
GST_ERROR_OBJECT (self, "Staging texture is not available");
return FALSE;
}
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);
in_texture = gst_d3d11_memory_get_texture_handle (in_mem);
in_subresource_index = gst_d3d11_memory_get_subresource_index (in_mem);
gst_d3d11_device_lock (self->device);
device_context->CopySubresourceRegion (self->staging, 0, 0, 0, 0,
in_texture, in_subresource_index, NULL);
hr = device_context->Map (self->staging, 0, D3D11_MAP_READ, 0, &map);
if (!gst_d3d11_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Failed to map, hr: 0x%x", (guint) hr);
gst_d3d11_device_unlock (self->device);
gst_video_frame_unmap (&out_frame);
return FALSE;
}
/* calculate stride and offset only once */
if (self->stating_texture_stride[0] == 0) {
D3D11_TEXTURE2D_DESC desc;
gsize dummy;
self->staging->GetDesc (&desc);
gst_d3d11_dxgi_format_get_size (desc.Format, desc.Width, desc.Height,
map.RowPitch, self->staging_texture_offset,
self->stating_texture_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 + self->staging_texture_offset[i];
dst = (guint8 *) 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 += self->stating_texture_stride[i];
}
}
gst_video_frame_unmap (&out_frame);
device_context->Unmap (self->staging, 0);
gst_d3d11_device_unlock (self->device);
return TRUE;
}
static gboolean
copy_to_d3d11 (GstD3D11Decoder * self, GstBuffer * decoder_buffer,
GstBuffer * output)
{
GstVideoInfo *info = &self->output_info;
GstD3D11Memory *in_mem;
GstD3D11Memory *out_mem;
GstMapInfo out_map;
D3D11_BOX src_box;
ID3D11Texture2D *in_texture;
guint in_subresource_index, out_subresource_index;
ID3D11DeviceContext *device_context =
gst_d3d11_device_get_device_context_handle (self->device);
in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, 0);
out_mem = (GstD3D11Memory *) gst_buffer_peek_memory (output, 0);
if (!gst_memory_map (GST_MEMORY_CAST (out_mem),
&out_map, (GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Couldn't map output d3d11 memory");
return FALSE;
}
gst_d3d11_device_lock (self->device);
in_texture = gst_d3d11_memory_get_texture_handle (in_mem);
in_subresource_index = gst_d3d11_memory_get_subresource_index (in_mem);
src_box.left = 0;
src_box.top = 0;
src_box.front = 0;
src_box.back = 1;
src_box.right = GST_ROUND_UP_2 (GST_VIDEO_INFO_WIDTH (info));
src_box.bottom = GST_ROUND_UP_2 (GST_VIDEO_INFO_HEIGHT (info));
out_subresource_index = gst_d3d11_memory_get_subresource_index (out_mem);
device_context->CopySubresourceRegion ((ID3D11Resource *) out_map.data,
out_subresource_index, 0, 0, 0, in_texture, in_subresource_index,
&src_box);
gst_d3d11_device_unlock (self->device);
gst_memory_unmap (GST_MEMORY_CAST (out_mem), &out_map);
return TRUE;
}
gboolean
gst_d3d11_decoder_process_output (GstD3D11Decoder * decoder,
GstVideoDecoder * videodec, gint display_width, gint display_height,
GstBuffer * decoder_buffer, GstBuffer ** output)
{
gboolean can_device_copy = TRUE;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
g_return_val_if_fail (GST_IS_BUFFER (decoder_buffer), FALSE);
g_return_val_if_fail (output != NULL, FALSE);
if (display_width != GST_VIDEO_INFO_WIDTH (&decoder->output_info) ||
display_height != GST_VIDEO_INFO_HEIGHT (&decoder->output_info)) {
GST_INFO_OBJECT (videodec, "Frame size changed, do renegotiate");
gst_video_info_set_format (&decoder->output_info,
GST_VIDEO_INFO_FORMAT (&decoder->info),
display_width, display_height);
GST_VIDEO_INFO_INTERLACE_MODE (&decoder->output_info) =
GST_VIDEO_INFO_INTERLACE_MODE (&decoder->info);
if (!gst_video_decoder_negotiate (videodec)) {
GST_ERROR_OBJECT (videodec, "Failed to re-negotiate with new frame size");
return FALSE;
}
}
if (gst_d3d11_decoder_can_direct_render (decoder, videodec, decoder_buffer,
display_width, display_height)) {
GstMemory *mem;
mem = gst_buffer_peek_memory (decoder_buffer, 0);
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
*output = gst_buffer_ref (decoder_buffer);
return TRUE;
}
*output = gst_video_decoder_allocate_output_buffer (videodec);
if (*output == NULL) {
GST_ERROR_OBJECT (videodec, "Couldn't allocate output buffer");
return FALSE;
}
/* decoder buffer must have single memory */
if (gst_buffer_n_memory (decoder_buffer) == gst_buffer_n_memory (*output)) {
GstMemory *mem;
GstD3D11Memory *dmem;
mem = gst_buffer_peek_memory (*output, 0);
if (!gst_is_d3d11_memory (mem)) {
can_device_copy = FALSE;
goto do_process;
}
dmem = (GstD3D11Memory *) mem;
if (dmem->device != decoder->device)
can_device_copy = FALSE;
} else {
can_device_copy = FALSE;
}
do_process:
if (can_device_copy) {
return copy_to_d3d11 (decoder, decoder_buffer, *output);
}
return copy_to_system (decoder, decoder_buffer, *output);
}
gboolean
gst_d3d11_decoder_negotiate (GstD3D11Decoder * decoder,
GstVideoDecoder * videodec)
{
GstVideoInfo *info;
GstCaps *peer_caps;
GstVideoCodecState *state = NULL;
gboolean alternate_interlaced;
gboolean alternate_supported = FALSE;
gboolean d3d11_supported = FALSE;
GstVideoCodecState *input_state;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
info = &decoder->output_info;
input_state = decoder->input_state;
alternate_interlaced =
(GST_VIDEO_INFO_INTERLACE_MODE (info) ==
GST_VIDEO_INTERLACE_MODE_ALTERNATE);
peer_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (videodec));
GST_DEBUG_OBJECT (videodec, "Allowed caps %" GST_PTR_FORMAT, peer_caps);
if (!peer_caps || gst_caps_is_any (peer_caps)) {
GST_DEBUG_OBJECT (videodec,
"cannot determine output format, use system memory");
} else {
GstCapsFeatures *features;
guint size = gst_caps_get_size (peer_caps);
guint i;
for (i = 0; i < size; i++) {
features = gst_caps_get_features (peer_caps, i);
if (!features)
continue;
if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
d3d11_supported = TRUE;
}
/* FIXME: software deinterlace element will not return interlaced caps
* feature... We should fix it */
if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_FORMAT_INTERLACED)) {
alternate_supported = TRUE;
}
}
}
gst_clear_caps (&peer_caps);
GST_DEBUG_OBJECT (videodec,
"Downstream feature support, D3D11 memory: %d, interlaced format %d",
d3d11_supported, alternate_supported);
if (alternate_interlaced) {
/* FIXME: D3D11 cannot support alternating interlaced stream yet */
GST_FIXME_OBJECT (videodec,
"Implement alternating interlaced stream for D3D11");
if (alternate_supported) {
gint height = GST_VIDEO_INFO_HEIGHT (info);
/* Set caps resolution with display size, that's how we designed
* for alternating interlaced stream */
height = 2 * height;
state = gst_video_decoder_set_interlaced_output_state (videodec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_INTERLACE_MODE (info),
GST_VIDEO_INFO_WIDTH (info), height, input_state);
} else {
GST_WARNING_OBJECT (videodec,
"Downstream doesn't support alternating interlaced stream");
state = gst_video_decoder_set_output_state (videodec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
GST_VIDEO_INFO_HEIGHT (info), input_state);
/* XXX: adjust PAR, this would produce output similar to that of
* "line doubling" (so called bob deinterlacing) processing.
* apart from missing anchor line (top-field or bottom-field) information.
* Potentially flickering could happen. So this might not be correct.
* But it would be better than negotiation error of half-height squeezed
* image */
state->info.par_d *= 2;
state->info.fps_n *= 2;
}
} else {
state = gst_video_decoder_set_interlaced_output_state (videodec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_INTERLACE_MODE (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), input_state);
}
if (!state) {
GST_ERROR_OBJECT (decoder, "Couldn't set output state");
return FALSE;
}
state->caps = gst_video_info_to_caps (&state->info);
g_clear_pointer (&decoder->output_state, gst_video_codec_state_unref);
decoder->output_state = state;
if (d3d11_supported) {
gst_caps_set_features (state->caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, NULL));
}
decoder->downstream_supports_d3d11 = d3d11_supported;
return gst_d3d11_decoder_open (decoder);
}
gboolean
gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
GstVideoDecoder * videodec, GstQuery * query)
{
GstCaps *outcaps;
GstBufferPool *pool = NULL;
guint n, size, min = 0, max = 0;
GstVideoInfo vinfo = { 0, };
GstStructure *config;
GstD3D11AllocationParams *d3d11_params;
gboolean use_d3d11_pool;
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
g_return_val_if_fail (query != NULL, FALSE);
if (!decoder->opened) {
GST_ERROR_OBJECT (videodec, "Should open decoder first");
return FALSE;
}
gst_query_parse_allocation (query, &outcaps, NULL);
if (!outcaps) {
GST_DEBUG_OBJECT (decoder, "No output caps");
return FALSE;
}
use_d3d11_pool = decoder->downstream_supports_d3d11;
gst_video_info_from_caps (&vinfo, outcaps);
n = gst_query_get_n_allocation_pools (query);
if (n > 0)
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
/* create our own pool */
if (pool && use_d3d11_pool) {
if (!GST_D3D11_BUFFER_POOL (pool)) {
GST_DEBUG_OBJECT (videodec,
"Downstream pool is not d3d11, will create new one");
gst_clear_object (&pool);
} else {
GstD3D11BufferPool *dpool = GST_D3D11_BUFFER_POOL (pool);
if (dpool->device != decoder->device) {
GST_DEBUG_OBJECT (videodec, "Different device, will create new one");
gst_clear_object (&pool);
}
}
}
if (!pool) {
if (use_d3d11_pool)
pool = gst_d3d11_buffer_pool_new (decoder->device);
else
pool = gst_video_buffer_pool_new ();
size = (guint) vinfo.size;
}
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
if (use_d3d11_pool) {
GstVideoAlignment align;
gint width, height;
gst_video_alignment_reset (&align);
d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
if (!d3d11_params)
d3d11_params = gst_d3d11_allocation_params_new (decoder->device, &vinfo,
(GstD3D11AllocationFlags) 0, 0);
width = GST_VIDEO_INFO_WIDTH (&vinfo);
height = GST_VIDEO_INFO_HEIGHT (&vinfo);
/* need alignment to copy decoder output texture to downstream texture */
align.padding_right = GST_ROUND_UP_16 (width) - width;
align.padding_bottom = GST_ROUND_UP_16 (height) - height;
if (!gst_d3d11_allocation_params_alignment (d3d11_params, &align)) {
GST_ERROR_OBJECT (videodec, "Cannot set alignment");
return FALSE;
}
/* Needs render target bind flag so that it can be used for
* output of shader pipeline if internal resizing is required.
* Also, downstream can keep using video processor even if we copy
* some decoded textures into downstream buffer */
d3d11_params->desc[0].BindFlags |= D3D11_BIND_RENDER_TARGET;
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
gst_d3d11_allocation_params_free (d3d11_params);
/* Store min buffer size. We need to take account of the amount of buffers
* which might be held by downstream in case of zero-copy playback */
if (!decoder->internal_pool) {
if (n > 0) {
GST_DEBUG_OBJECT (videodec, "Downstream proposed pool");
decoder->wait_on_pool_full = TRUE;
/* XXX: hardcoded bound 16, to avoid too large pool size */
decoder->downstream_min_buffers = MIN (min, 16);
} else {
GST_DEBUG_OBJECT (videodec, "Downstream didn't propose pool");
decoder->wait_on_pool_full = FALSE;
/* don't know how many buffers would be queued by downstream */
decoder->downstream_min_buffers = 4;
}
} else {
/* We configured our DPB pool already, let's check if our margin can
* cover min size */
decoder->wait_on_pool_full = FALSE;
if (n > 0) {
if (decoder->downstream_min_buffers >= min)
decoder->wait_on_pool_full = TRUE;
GST_DEBUG_OBJECT (videodec,
"Pre-allocated margin %d can%s cover downstream min size %d",
decoder->downstream_min_buffers,
decoder->wait_on_pool_full ? "" : "not", min);
} else {
GST_DEBUG_OBJECT (videodec, "Downstream min size is unknown");
}
}
GST_DEBUG_OBJECT (videodec, "Downstream min buffres: %d", min);
}
gst_buffer_pool_set_config (pool, config);
if (use_d3d11_pool)
size = GST_D3D11_BUFFER_POOL (pool)->buffer_size;
if (n > 0)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
gst_object_unref (pool);
return TRUE;
}
gboolean
gst_d3d11_decoder_flush (GstD3D11Decoder * decoder, GstVideoDecoder * videodec)
{
g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
/* Set active FALSE so that other thread which is waiting DPB texture buffer
* to be able to wakeup */
if (decoder->internal_pool)
gst_buffer_pool_set_active (decoder->internal_pool, FALSE);
return TRUE;
}
static gboolean
gst_d3d11_decoder_can_direct_render (GstD3D11Decoder * decoder,
GstVideoDecoder * videodec, GstBuffer * view_buffer,
gint display_width, gint display_height)
{
GstMemory *mem;
GstD3D11PoolAllocator *alloc;
guint max_size = 0, outstanding_size = 0;
/* We don't support direct render for reverse playback */
if (videodec->input_segment.rate < 0)
return FALSE;
if (!decoder->can_direct_rendering || !decoder->downstream_supports_d3d11)
return FALSE;
/* different size, need copy */
/* TODO: crop meta */
if (display_width != GST_VIDEO_INFO_WIDTH (&decoder->info) ||
display_height != GST_VIDEO_INFO_HEIGHT (&decoder->info))
return FALSE;
/* we can do direct render in this case, since there is no DPB pool size
* limit */
if (decoder->use_array_of_texture)
return TRUE;
/* Let's believe downstream info */
if (decoder->wait_on_pool_full)
return TRUE;
/* Check if we are about to full */
mem = gst_buffer_peek_memory (view_buffer, 0);
/* something went wrong */
if (!gst_is_d3d11_memory (mem)) {
GST_ERROR_OBJECT (decoder, "Not a D3D11 memory");
return FALSE;
}
alloc = GST_D3D11_POOL_ALLOCATOR (mem->allocator);
if (!gst_d3d11_pool_allocator_get_pool_size (alloc, &max_size,
&outstanding_size)) {
GST_ERROR_OBJECT (decoder, "Couldn't query pool size");
return FALSE;
}
/* 2 buffer margin */
if (max_size <= outstanding_size + 1) {
GST_DEBUG_OBJECT (decoder, "memory pool is about to full (%u/%u)",
outstanding_size, max_size);
return FALSE;
}
GST_LOG_OBJECT (decoder, "Can do direct rendering");
return TRUE;
}
/* 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)
{
HRESULT hr;
BOOL can_support = FALSE;
ID3D11VideoDevice *video_device;
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);
video_device = decoder->video_device;
hr = video_device->CheckVideoDecoderFormat (decoder_profile, format,
&can_support);
if (!gst_d3d11_result (hr, decoder->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;
HRESULT hr;
UINT config_count;
ID3D11VideoDevice *video_device;
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);
video_device = decoder->video_device;
desc.SampleWidth = width;
desc.SampleHeight = height;
desc.OutputFormat = format;
desc.Guid = *decoder_profile;
hr = video_device->GetVideoDecoderConfigCount (&desc, &config_count);
if (!gst_d3d11_result (hr, decoder->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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