/* * GStreamer * Copyright (C) 2007 David A. Schleef * Copyright (C) 2008 Julien Isorce * Copyright (C) 2008 Filippo Argiolas * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_GL_H__ #define __GST_GL_H__ #include #include "gstglwindow.h" #include "gstglshader.h" #define GST_TYPE_GL_DISPLAY \ (gst_gl_display_get_type()) #define GST_GL_DISPLAY(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DISPLAY,GstGLDisplay)) #define GST_GL_DISPLAY_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDisplayClass)) #define GST_IS_GL_DISPLAY(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DISPLAY)) #define GST_IS_GL_DISPLAY_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DISPLAY)) typedef struct _GstGLDisplay GstGLDisplay; typedef struct _GstGLDisplayClass GstGLDisplayClass; //Color space conversion method typedef enum { GST_GL_DISPLAY_CONVERSION_GLSL, //ARB_fragment_shade GST_GL_DISPLAY_CONVERSION_MATRIX, //ARB_imaging GST_GL_DISPLAY_CONVERSION_MESA, //MESA_ycbcr_texture } GstGLDisplayConversion; //Projection type typedef enum { GST_GL_DISPLAY_PROJECTION_ORTHO2D, GST_GL_DISPLAY_PROJECTION_PERSPECTIVE } GstGLDisplayProjection; //Texture pool elements typedef struct _GstGLDisplayTex { GLuint texture; } GstGLDisplayTex; //Client callbacks typedef void (*CRCB) (GLuint, GLuint); typedef gboolean (*CDCB) (GLuint, GLuint, GLuint); typedef void (*GstGLDisplayThreadFunc) (GstGLDisplay * display, gpointer data); //opengl scene callback typedef void (*GLCB) (gint, gint, guint, gpointer stuff); struct _GstGLDisplay { GObject object; //thread safe GMutex *mutex; //gl context GThread *gl_thread; GstGLWindow *gl_window; gboolean visible; gboolean isAlive; GHashTable *texture_pool; //conditions GCond *cond_create_context; GCond *cond_destroy_context; //generic gl code GstGLDisplayThreadFunc generic_callback; gpointer data; //action redisplay GLuint redisplay_texture; GLuint redisplay_texture_width; GLuint redisplay_texture_height; gboolean keep_aspect_ratio; #ifdef OPENGL_ES2 GstGLShader *redisplay_shader; gchar *redisplay_vertex_shader_str; gchar *redisplay_fragment_shader_str; GLint redisplay_attr_position_loc; GLint redisplay_attr_texture_loc; #endif //action gen and del texture GLuint gen_texture; GLuint gen_texture_width; GLuint gen_texture_height; GLuint del_texture; GLuint del_texture_width; GLuint del_texture_height; //client callbacks CRCB clientReshapeCallback; CDCB clientDrawCallback; //upload GLuint upload_fbo; GLuint upload_depth_buffer; GLuint upload_outtex; GLuint upload_intex; GLuint upload_intex_u; GLuint upload_intex_v; GLuint upload_width; GLuint upload_height; GstVideoFormat upload_video_format; GstGLDisplayConversion upload_colorspace_conversion; gint upload_data_width; gint upload_data_height; gpointer upload_data; //foreign gl context gulong external_gl_context; //filter gen fbo GLuint gen_fbo_width; GLuint gen_fbo_height; GLuint generated_fbo; GLuint generated_depth_buffer; //filter use fbo GLuint use_fbo; GLuint use_depth_buffer; GLuint use_fbo_texture; GLuint use_fbo_width; GLuint use_fbo_height; GLCB use_fbo_scene_cb; gdouble use_fbo_proj_param1; gdouble use_fbo_proj_param2; gdouble use_fbo_proj_param3; gdouble use_fbo_proj_param4; GstGLDisplayProjection use_fbo_projection; gpointer *use_fbo_stuff; GLuint input_texture_width; GLuint input_texture_height; GLuint input_texture; //filter del fbo GLuint del_fbo; GLuint del_depth_buffer; //download GLuint download_fbo; GLuint download_depth_buffer; GLuint download_texture; GLuint download_texture_u; GLuint download_texture_v; gint download_width; gint download_height; GstVideoFormat download_video_format; gpointer download_data; GLenum multipleRT[3]; GLuint ouput_texture; GLuint ouput_texture_width; GLuint ouput_texture_height; //action gen and del shader const gchar *gen_shader_fragment_source; const gchar *gen_shader_vertex_source; GstGLShader *gen_shader; GstGLShader *del_shader; //fragement shader upload gchar *text_shader_upload_YUY2_UYVY; GstGLShader *shader_upload_YUY2; GstGLShader *shader_upload_UYVY; gchar *text_shader_upload_I420_YV12; GstGLShader *shader_upload_I420_YV12; gchar *text_shader_upload_AYUV; GstGLShader *shader_upload_AYUV; #ifdef OPENGL_ES2 gchar *text_vertex_shader_upload; GLint shader_upload_attr_position_loc; GLint shader_upload_attr_texture_loc; #endif //fragement shader download gchar *text_shader_download_YUY2_UYVY; GstGLShader *shader_download_YUY2; GstGLShader *shader_download_UYVY; gchar *text_shader_download_I420_YV12; GstGLShader *shader_download_I420_YV12; gchar *text_shader_download_AYUV; GstGLShader *shader_download_AYUV; #ifdef OPENGL_ES2 gchar *text_vertex_shader_download; GLint shader_download_attr_position_loc; GLint shader_download_attr_texture_loc; gchar *text_fragment_shader_download_RGB; GstGLShader *shader_download_RGB; #endif }; struct _GstGLDisplayClass { GObjectClass object_class; }; GType gst_gl_display_get_type (void); //------------------------------------------------------------ //-------------------- Public declarations ------------------ //------------------------------------------------------------ GstGLDisplay *gst_gl_display_new (void); void gst_gl_display_create_context (GstGLDisplay * display, GLint width, GLint height, gulong external_gl_context); gboolean gst_gl_display_redisplay (GstGLDisplay * display, GLuint texture, gint width, gint height, gboolean keep_aspect_ratio); void gst_gl_display_thread_add (GstGLDisplay * display, GstGLDisplayThreadFunc func, gpointer data); void gst_gl_display_gen_texture (GstGLDisplay * display, GLuint * pTexture, GLint width, GLint height); void gst_gl_display_del_texture (GstGLDisplay * display, GLuint texture, GLint width, GLint height); void gst_gl_display_init_upload (GstGLDisplay * display, GstVideoFormat video_format, guint gl_width, guint gl_height, gint video_width, gint video_height); gboolean gst_gl_display_do_upload (GstGLDisplay * display, GLuint texture, gint data_width, gint data_height, gpointer data); void gst_gl_display_init_download (GstGLDisplay * display, GstVideoFormat video_format, gint width, gint height); gboolean gst_gl_display_do_download (GstGLDisplay * display, GLuint texture, gint width, gint height, gpointer data); void gst_gl_display_gen_fbo (GstGLDisplay * display, gint width, gint height, GLuint * fbo, GLuint * depthbuffer); gboolean gst_gl_display_use_fbo (GstGLDisplay * display, gint texture_fbo_width, gint texture_fbo_height, GLuint fbo, GLuint depth_buffer, GLuint texture_fbo, GLCB cb, gint input_texture_width, gint input_texture_height, GLuint input_texture, gdouble proj_param1, gdouble proj_param2, gdouble proj_param3, gdouble proj_param4, GstGLDisplayProjection projection, gpointer * stuff); void gst_gl_display_del_fbo (GstGLDisplay * display, GLuint fbo, GLuint depth_buffer); void gst_gl_display_gen_shader (GstGLDisplay * display, const gchar * shader_vertex_source, const gchar * shader_fragment_source, GstGLShader ** shader); void gst_gl_display_del_shader (GstGLDisplay * display, GstGLShader * shader); void gst_gl_display_set_window_id (GstGLDisplay * display, gulong window_id); void gst_gl_display_set_client_reshape_callback (GstGLDisplay * display, CRCB cb); void gst_gl_display_set_client_draw_callback (GstGLDisplay * display, CDCB cb); #endif