gstreamer/subprojects/gst-plugins-bad/sys/qsv/gstqsvallocator.h
Seungha Yang c4ac657364 qsv: Add H.264 decoder
Initial decoder implementation with baseclass

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1786>
2022-03-01 21:24:07 +00:00

148 lines
5.5 KiB
C

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