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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c4ac657364
Initial decoder implementation with baseclass Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1786>
148 lines
5.5 KiB
C
148 lines
5.5 KiB
C
/* GStreamer
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* Copyright (C) 2021 Seungha Yang <seungha@centricular.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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#pragma once
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <mfx.h>
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G_BEGIN_DECLS
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#define GST_TYPE_QSV_FRAME (gst_qsv_frame_get_type())
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#define GST_IS_QSV_FRAME(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_QSV_FRAME))
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#define GST_QSV_FRAME_CAST(obj) ((GstQsvFrame *) obj)
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#define GST_TYPE_QSV_ALLOCATOR (gst_qsv_allocator_get_type())
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#define GST_QSV_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_QSV_ALLOCATOR, GstQsvAllocator))
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#define GST_QSV_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_QSV_ALLOCATOR, GstQsvAllocatorClass))
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#define GST_IS_QSV_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_QSV_ALLOCATOR))
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#define GST_IS_QSV_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_QSV_ALLOCATOR))
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#define GST_QSV_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_QSV_ALLOCATOR, GstQsvAllocatorClass))
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#define GST_QSV_ALLOCATOR_CAST(obj) ((GstQsvAllocator *)obj)
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typedef struct _GstQsvFrame GstQsvFrame;
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typedef struct _GstQsvAllocator GstQsvAllocator;
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typedef struct _GstQsvAllocatorClass GstQsvAllocatorClass;
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typedef struct _GstQsvAllocatorPrivate GstQsvAllocatorPrivate;
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GType gst_qsv_frame_get_type (void);
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GstBuffer * gst_qsv_frame_peek_buffer (GstQsvFrame * frame);
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gboolean gst_qsv_frame_set_buffer (GstQsvFrame * frame,
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GstBuffer * buffer);
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static inline GstQsvFrame *
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gst_qsv_frame_ref (GstQsvFrame * frame)
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{
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return (GstQsvFrame *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (frame));
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}
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static inline void
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gst_qsv_frame_unref (GstQsvFrame * frame)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (frame));
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}
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static inline void
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gst_clear_qsv_frame (GstQsvFrame ** frame)
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{
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gst_clear_mini_object ((GstMiniObject **) frame);
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}
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typedef enum
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{
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GST_QSV_SYSTEM_MEMORY = (1 << 0),
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GST_QSV_VIDEO_MEMORY = (1 << 1),
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GST_QSV_ENCODER_IN_MEMORY = (1 << 2),
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GST_QSV_DECODER_OUT_MEMORY = (1 << 3),
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} GstQsvMemoryType;
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#define GST_QSV_MEM_TYPE_IS_SYSTEM(type) ((type & GST_QSV_SYSTEM_MEMORY) != 0)
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#define GST_QSV_MEM_TYPE_IS_VIDEO(type) ((type & GST_QSV_VIDEO_MEMORY) != 0)
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struct _GstQsvAllocator
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{
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GstObject parent;
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GstQsvAllocatorPrivate *priv;
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};
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struct _GstQsvAllocatorClass
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{
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GstObjectClass parent_class;
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mfxStatus (*alloc) (GstQsvAllocator * allocator,
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gboolean dummy_alloc,
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mfxFrameAllocRequest * request,
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mfxFrameAllocResponse * response);
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GstBuffer * (*upload) (GstQsvAllocator * allocator,
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const GstVideoInfo * info,
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GstBuffer * buffer,
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GstBufferPool * pool);
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GstBuffer * (*download) (GstQsvAllocator * allocator,
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const GstVideoInfo * info,
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gboolean force_copy,
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GstQsvFrame * frame,
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GstBufferPool * pool);
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};
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GType gst_qsv_allocator_get_type (void);
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GstQsvFrame * gst_qsv_allocator_acquire_frame (GstQsvAllocator * allocator,
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GstQsvMemoryType mem_type,
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const GstVideoInfo * info,
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GstBuffer * buffer,
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GstBufferPool * pool);
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GstBuffer * gst_qsv_allocator_download_frame (GstQsvAllocator * allocator,
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gboolean force_copy,
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GstQsvFrame * frame,
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GstBufferPool * pool);
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mfxFrameAllocator * gst_qsv_allocator_get_allocator_handle (GstQsvAllocator * allocator);
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gboolean gst_qsv_allocator_get_cached_response (GstQsvAllocator * allocator,
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mfxFrameAllocResponse * response);
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void gst_qsv_allocator_set_options (GstQsvAllocator * allocator,
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guint16 extra_alloc_size,
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gboolean dummy_alloc);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstQsvAllocator, gst_object_unref)
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G_END_DECLS
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#ifdef __cplusplus
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inline GstQsvMemoryType
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operator | (const GstQsvMemoryType & lhs, const GstQsvMemoryType & rhs)
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{
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return static_cast<GstQsvMemoryType> (static_cast<guint>(lhs) |
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static_cast<guint> (rhs));
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}
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inline GstQsvMemoryType &
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operator |= (GstQsvMemoryType & lhs, const GstQsvMemoryType & rhs)
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{
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return lhs = lhs | rhs;
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}
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#endif
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