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106 lines
4.2 KiB
C
106 lines
4.2 KiB
C
/*
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* GStreamer Android Video Platform Wrapper
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* Copyright (C) 2012 Collabora Ltd.
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* @author: Reynaldo H. Verdejo Pinochet <reynaldo@collabora.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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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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/**
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* General idea is to have all platform dependent code here for easy
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* tweaking and isolation from the main routines
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*/
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#ifndef __GST_ANDROID_VIDEO_PLATFORM_WRAPPER__
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#define __GST_ANDROID_VIDEO_PLATFORM_WRAPPER__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideometa.h>
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#include <EGL/egl.h>
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gboolean platform_wrapper_init (void);
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EGLNativeWindowType platform_create_native_window (gint width, gint height, gpointer * window_data);
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gboolean platform_destroy_native_window (EGLNativeDisplayType display,
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EGLNativeWindowType w, gpointer * window_data);
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GstBufferPool *platform_create_buffer_pool (EGLDisplay display);
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#define GST_EGL_IMAGE_MEMORY_NAME "GstEGLImage"
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typedef struct
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{
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GstMemory parent;
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GstVideoFormat format;
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gint width, height;
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GMutex lock;
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/* Always in order RGB/Y, UV/U, V */
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EGLImageKHR image[3];
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gpointer image_platform_data[3];
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GLuint texture[3];
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gint stride[3];
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gsize offset[3];
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guint n_textures;
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gpointer memory[3];
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gpointer memory_platform_data[3];
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gint memory_refcount[3];
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GstMapFlags memory_flags[3];
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gpointer mapped_memory;
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gint mapped_memory_refcount;
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GstMapFlags mapped_memory_flags;
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} GstEGLImageMemory;
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#define GST_EGL_IMAGE_MEMORY(m) ((GstEGLImageMemory*)(m))
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typedef gboolean (*PlatformMapVideo) (GstVideoMeta *meta, guint plane, GstMapInfo *info, gpointer *data, gint * stride, GstMapFlags flags);
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typedef gboolean (*PlatformUnmapVideo) (GstVideoMeta *meta, guint plane, GstMapInfo *info);
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extern PlatformMapVideo default_map_video;
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extern PlatformUnmapVideo default_unmap_video;
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gboolean platform_can_map_eglimage (GstMemoryMapFunction *map, GstMemoryUnmapFunction *unmap, PlatformMapVideo *video_map, PlatformUnmapVideo *video_unmap);
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gboolean platform_has_custom_eglimage_alloc (void);
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gboolean platform_alloc_eglimage (EGLDisplay display, EGLContext context, GLint format, GLint type, gint width, gint height, GLuint tex_id, EGLImageKHR *image, gpointer *image_platform_data);
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void platform_free_eglimage (EGLDisplay display, EGLContext context, GLuint tex_id, EGLImageKHR *image, gpointer *image_platform_data);
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#endif
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