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244 lines
7.1 KiB
C
244 lines
7.1 KiB
C
/*
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* gstvaapisurface.h - VA surface abstraction
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*
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* gstreamer-vaapi (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011 Intel Corporation
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_SURFACE_H
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#define GST_VAAPI_SURFACE_H
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#include <gst/vaapi/gstvaapiobject.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapiimage.h>
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#include <gst/vaapi/gstvaapisubpicture.h>
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#include <gst/video/gstsurfacebuffer.h>
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#include <gst/video/video-overlay-composition.h>
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G_BEGIN_DECLS
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typedef enum _GstVaapiChromaType GstVaapiChromaType;
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typedef enum _GstVaapiSurfaceStatus GstVaapiSurfaceStatus;
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typedef enum _GstVaapiSurfaceRenderFlags GstVaapiSurfaceRenderFlags;
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typedef struct _GstVaapiContext GstVaapiContext;
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/**
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* GST_VAAPI_SURFACE_CAPS_NAME:
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*
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* Generic caps type for VA surfaces.
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*/
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#define GST_VAAPI_SURFACE_CAPS_NAME GST_VIDEO_CAPS_SURFACE
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/**
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* GST_VAAPI_SURFACE_CAPS:
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*
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* Generic caps for VA surfaces.
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*/
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#define GST_VAAPI_SURFACE_CAPS \
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GST_VAAPI_SURFACE_CAPS_NAME ", " \
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"type = vaapi, " \
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"opengl = (boolean) { true, false }, " \
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"width = (int) [ 1, MAX ], " \
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"height = (int) [ 1, MAX ], " \
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"framerate = (fraction) [ 0, MAX ]"
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/**
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* GstVaapiChromaType:
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* @GST_VAAPI_CHROMA_TYPE_YUV420: 4:2:0 chroma format
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* @GST_VAAPI_CHROMA_TYPE_YUV422: 4:2:2 chroma format
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* @GST_VAAPI_CHROMA_TYPE_YUV444: 4:4:4 chroma format
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*
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* The set of all chroma types for #GstVaapiSurface.
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*/
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enum _GstVaapiChromaType {
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GST_VAAPI_CHROMA_TYPE_YUV420 = 1,
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GST_VAAPI_CHROMA_TYPE_YUV422,
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GST_VAAPI_CHROMA_TYPE_YUV444
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};
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/**
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* GstVaapiSurfaceStatus:
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* @GST_VAAPI_SURFACE_STATUS_IDLE:
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* the surface is not being rendered or displayed
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* @GST_VAAPI_SURFACE_STATUS_RENDERING:
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* the surface is used for rendering (decoding to the surface in progress)
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* @GST_VAAPI_SURFACE_STATUS_DISPLAYING:
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* the surface is being displayed to screen
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* @GST_VAAPI_SURFACE_STATUS_SKIPPED:
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* indicates a skipped frame during encode
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*
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* The set of all surface status for #GstVaapiSurface.
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*/
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enum _GstVaapiSurfaceStatus {
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GST_VAAPI_SURFACE_STATUS_IDLE = 1 << 0,
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GST_VAAPI_SURFACE_STATUS_RENDERING = 1 << 1,
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GST_VAAPI_SURFACE_STATUS_DISPLAYING = 1 << 2,
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GST_VAAPI_SURFACE_STATUS_SKIPPED = 1 << 3
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};
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/**
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* GstVaapiSurfaceRenderFlags
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* @GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD:
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* selects the top field of the surface
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* @GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD:
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* selects the bottom field of the surface
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* @GST_VAAPI_PICTURE_STRUCTURE_FRAME:
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* selects the entire surface
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* @GST_VAAPI_COLOR_STANDARD_ITUR_BT_601:
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* uses ITU-R BT.601 standard for color space conversion
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* @GST_VAAPI_COLOR_STANDARD_ITUR_BT_709:
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* uses ITU-R BT.709 standard for color space conversion
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*
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* The set of all render flags for gst_vaapi_window_put_surface().
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*/
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enum _GstVaapiSurfaceRenderFlags {
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GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD = 1 << 0,
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GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD = 1 << 1,
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GST_VAAPI_PICTURE_STRUCTURE_FRAME =
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(
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GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD |
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GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD
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),
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GST_VAAPI_COLOR_STANDARD_ITUR_BT_601 = 1 << 2,
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GST_VAAPI_COLOR_STANDARD_ITUR_BT_709 = 1 << 3,
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};
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#define GST_VAAPI_TYPE_SURFACE \
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(gst_vaapi_surface_get_type())
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#define GST_VAAPI_SURFACE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_SURFACE, \
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GstVaapiSurface))
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#define GST_VAAPI_SURFACE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_SURFACE, \
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GstVaapiSurfaceClass))
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#define GST_VAAPI_IS_SURFACE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_SURFACE))
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#define GST_VAAPI_IS_SURFACE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_SURFACE))
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#define GST_VAAPI_SURFACE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_SURFACE, \
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GstVaapiSurfaceClass))
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typedef struct _GstVaapiSurface GstVaapiSurface;
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typedef struct _GstVaapiSurfacePrivate GstVaapiSurfacePrivate;
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typedef struct _GstVaapiSurfaceClass GstVaapiSurfaceClass;
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/**
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* GstVaapiSurface:
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*
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* A VA surface wrapper.
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*/
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struct _GstVaapiSurface {
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/*< private >*/
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GstVaapiObject parent_instance;
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GstVaapiSurfacePrivate *priv;
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};
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/**
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* GstVaapiSurfaceClass:
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*
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* A VA surface wrapper class.
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*/
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struct _GstVaapiSurfaceClass {
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/*< private >*/
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GstVaapiObjectClass parent_class;
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};
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GType
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gst_vaapi_surface_get_type(void);
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GstVaapiSurface *
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gst_vaapi_surface_new(
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GstVaapiDisplay *display,
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GstVaapiChromaType chroma_type,
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guint width,
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guint height
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);
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GstVaapiID
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gst_vaapi_surface_get_id(GstVaapiSurface *surface);
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GstVaapiChromaType
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gst_vaapi_surface_get_chroma_type(GstVaapiSurface *surface);
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guint
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gst_vaapi_surface_get_width(GstVaapiSurface *surface);
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guint
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gst_vaapi_surface_get_height(GstVaapiSurface *surface);
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void
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gst_vaapi_surface_get_size(
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GstVaapiSurface *surface,
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guint *pwidth,
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guint *pheight
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);
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GstVaapiContext *
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gst_vaapi_surface_get_parent_context(GstVaapiSurface *surface);
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GstVaapiImage *
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gst_vaapi_surface_derive_image(GstVaapiSurface *surface);
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gboolean
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gst_vaapi_surface_get_image(GstVaapiSurface *surface, GstVaapiImage *image);
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gboolean
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gst_vaapi_surface_put_image(GstVaapiSurface *surface, GstVaapiImage *image);
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gboolean
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gst_vaapi_surface_associate_subpicture(
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GstVaapiSurface *surface,
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GstVaapiSubpicture *subpicture,
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const GstVaapiRectangle *src_rect,
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const GstVaapiRectangle *dst_rect
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);
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gboolean
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gst_vaapi_surface_deassociate_subpicture(
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GstVaapiSurface *surface,
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GstVaapiSubpicture *subpicture
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);
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gboolean
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gst_vaapi_surface_sync(GstVaapiSurface *surface);
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gboolean
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gst_vaapi_surface_query_status(
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GstVaapiSurface *surface,
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GstVaapiSurfaceStatus *pstatus
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);
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gboolean
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gst_vaapi_surface_set_subpictures_from_composition(
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GstVaapiSurface *surface,
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GstVideoOverlayComposition *composition
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);
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G_END_DECLS
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#endif /* GST_VAAPI_SURFACE_H */
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