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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0f7af4b143
Move d3d11 device, memory, buffer pool and minimal method to gst-libs so that other plugins can access d3d11 resource. Since Direct3D is primary graphics API on Windows, we need this infrastructure for various plugins can share GPU resource without downloading GPU memory. Note that this implementation is public only for -bad scope for now. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/464>
159 lines
7 KiB
C
159 lines
7 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_D3D11_DECODER_H__
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#define __GST_D3D11_DECODER_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/d3d11/gstd3d11.h>
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G_BEGIN_DECLS
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#define GST_TYPE_D3D11_DECODER (gst_d3d11_decoder_get_type())
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G_DECLARE_FINAL_TYPE (GstD3D11Decoder,
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gst_d3d11_decoder, GST, D3D11_DECODER, GstObject);
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typedef struct _GstD3D11DecoderPrivate GstD3D11DecoderPrivate;
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typedef enum
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{
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GST_D3D11_CODEC_NONE,
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GST_D3D11_CODEC_H264,
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GST_D3D11_CODEC_VP9,
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GST_D3D11_CODEC_H265,
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GST_D3D11_CODEC_VP8,
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/* the last of supported codec */
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GST_D3D11_CODEC_LAST
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} GstD3D11Codec;
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typedef struct
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{
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GstCaps *sink_caps;
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GstCaps *src_caps;
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guint adapter;
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guint device_id;
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guint vendor_id;
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gchar *description;
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} GstD3D11DecoderClassData;
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struct _GstD3D11Decoder
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{
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GstObject parent;
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/* TRUE if decoder was successfully opened ever */
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gboolean opened;
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/*< private >*/
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GstD3D11DecoderPrivate *priv;
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gpointer padding[GST_PADDING_LARGE];
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};
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GstD3D11Decoder * gst_d3d11_decoder_new (GstD3D11Device * device);
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gboolean gst_d3d11_decoder_open (GstD3D11Decoder * decoder,
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GstD3D11Codec codec,
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GstVideoInfo * info,
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guint codec_width,
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guint codec_height,
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guint pool_size,
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const GUID ** decoder_profiles,
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guint profile_size);
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void gst_d3d11_decoder_reset (GstD3D11Decoder * decoder);
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gboolean gst_d3d11_decoder_begin_frame (GstD3D11Decoder * decoder,
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ID3D11VideoDecoderOutputView * output_view,
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guint content_key_size,
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gconstpointer content_key);
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gboolean gst_d3d11_decoder_end_frame (GstD3D11Decoder * decoder);
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gboolean gst_d3d11_decoder_get_decoder_buffer (GstD3D11Decoder * decoder,
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D3D11_VIDEO_DECODER_BUFFER_TYPE type,
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guint * buffer_size,
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gpointer * buffer);
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gboolean gst_d3d11_decoder_release_decoder_buffer (GstD3D11Decoder * decoder,
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D3D11_VIDEO_DECODER_BUFFER_TYPE type);
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gboolean gst_d3d11_decoder_submit_decoder_buffers (GstD3D11Decoder * decoder,
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guint buffer_count,
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const D3D11_VIDEO_DECODER_BUFFER_DESC * buffers);
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GstBuffer * gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder);
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ID3D11VideoDecoderOutputView * gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
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GstBuffer * buffer);
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guint8 gst_d3d11_decoder_get_output_view_index (ID3D11VideoDecoderOutputView * view_handle);
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gboolean gst_d3d11_decoder_process_output (GstD3D11Decoder * decoder,
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GstVideoInfo * info,
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gint display_width,
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gint display_height,
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GstBuffer * decoder_buffer,
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GstBuffer * output);
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gboolean gst_d3d11_decoder_negotiate (GstVideoDecoder * decoder,
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GstVideoCodecState * input_state,
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GstVideoFormat format,
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guint width,
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guint height,
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GstVideoInterlaceMode interlace_mode,
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GstVideoCodecState ** output_state,
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gboolean * downstream_supports_d3d11);
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gboolean gst_d3d11_decoder_decide_allocation (GstVideoDecoder * decoder,
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GstQuery * query,
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GstD3D11Device * device,
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GstD3D11Codec codec,
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gboolean use_d3d11_pool);
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gboolean gst_d3d11_decoder_supports_direct_rendering (GstD3D11Decoder * decoder);
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/* Utils for class registration */
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gboolean gst_d3d11_decoder_util_is_legacy_device (GstD3D11Device * device);
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gboolean gst_d3d11_decoder_get_supported_decoder_profile (GstD3D11Decoder * decoder,
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const GUID ** decoder_profiles,
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guint profile_size,
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GUID * selected_profile);
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gboolean gst_d3d11_decoder_supports_format (GstD3D11Decoder * decoder,
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const GUID * decoder_profile,
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DXGI_FORMAT format);
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gboolean gst_d3d11_decoder_supports_resolution (GstD3D11Decoder * decoder,
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const GUID * decoder_profile,
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DXGI_FORMAT format,
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guint width,
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guint height);
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GstD3D11DecoderClassData * gst_d3d11_decoder_class_data_new (GstD3D11Device * device,
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GstCaps * sink_caps,
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GstCaps * src_caps);
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void gst_d3d11_decoder_class_data_free (GstD3D11DecoderClassData * data);
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G_END_DECLS
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#endif /* __GST_D3D11_DECODER_H__ */
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