/* * GStreamer * Copyright (C) 2008 Julien Isorce * * 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 #include #include #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; //Message type typedef enum { GST_GL_DISPLAY_ACTION_CREATE_CONTEXT, GST_GL_DISPLAY_ACTION_DESTROY_CONTEXT, GST_GL_DISPLAY_ACTION_VISIBLE_CONTEXT, GST_GL_DISPLAY_ACTION_RESIZE_CONTEXT, GST_GL_DISPLAY_ACTION_REDISPLAY_CONTEXT, GST_GL_DISPLAY_ACTION_GEN_TEXTURE, GST_GL_DISPLAY_ACTION_DEL_TEXTURE, GST_GL_DISPLAY_ACTION_INIT_UPLOAD, GST_GL_DISPLAY_ACTION_DO_UPLOAD, GST_GL_DISPLAY_ACTION_INIT_DOWNLOAD, GST_GL_DISPLAY_ACTION_DO_DOWNLOAD, GST_GL_DISPLAY_ACTION_GEN_FBO, GST_GL_DISPLAY_ACTION_USE_FBO, GST_GL_DISPLAY_ACTION_USE_FBO2, GST_GL_DISPLAY_ACTION_DEL_FBO, GST_GL_DISPLAY_ACTION_GEN_SHADER, GST_GL_DISPLAY_ACTION_DEL_SHADER } GstGLDisplayAction; //Message to communicate with the gl thread typedef struct _GstGLDisplayMsg { GstGLDisplayAction action; gint glutWinId; GstGLDisplay* display; } GstGLDisplayMsg; //Texture pool elements typedef struct _GstGLDisplayTex { GLuint texture; } GstGLDisplayTex; //Client callbacks typedef void (* CRCB) ( GLuint, GLuint ); typedef gboolean (* CDCB) ( GLuint, GLuint, GLuint); //opengl scene callback typedef void (* GLCB) ( GLuint, GLuint, GLuint, GLhandleARB); typedef void (* GLCB2) ( gpointer* p1, gpointer* p2, gint w, gint h); struct _GstGLDisplay { GObject object; GMutex* mutex; GQueue* texturePool; //conditions GCond* cond_create_context; GCond* cond_destroy_context; GCond* cond_gen_texture; GCond* cond_del_texture; GCond* cond_init_upload; GCond* cond_do_upload; GCond* cond_init_download; GCond* cond_do_download; GCond* cond_gen_fbo; GCond* cond_use_fbo; GCond* cond_use_fbo_2; GCond* cond_del_fbo; GCond* cond_gen_shader; GCond* cond_del_shader; gint glutWinId; gulong winId; GString* title; gint win_xpos; gint win_ypos; gboolean visible; gboolean isAlive; //intput frame buffer object (video -> GL) GLuint fbo; GLuint depthBuffer; GLuint textureFBO; GLuint textureFBOWidth; GLuint textureFBOHeight; GstVideoFormat upload_video_format; //filter frame buffer object (GL -> GL) GLuint requestedFBO; GLuint requestedDepthBuffer; GLuint requestedTextureFBOWidth; GLuint requestedTextureFBOHeight; GLuint usedFBO; GLuint usedDepthBuffer; GLuint usedTextureFBO; GLuint usedTextureFBOWidth; GLuint usedTextureFBOHeight; GLCB glsceneFBO_cb; GLCB2 glsceneFBO_cb2; gpointer* p1; gpointer* p2; GLuint inputTextureWidth; GLuint inputTextureHeight; GLuint inputTexture; GLuint rejectedFBO; GLuint rejectedDepthBuffer; //displayed texture GLuint displayedTexture; GLuint displayedTextureWidth; GLuint displayedTextureHeight; gint resize_width; gint resize_height; GLuint preparedTexture; GLuint currentTexture; GLuint currentTexture_u; GLuint currentTexture_v; GLuint currentTextureWidth; GLuint currentTextureHeight; GstVideoFormat currentVideo_format; gpointer currentData; GLuint textureTrash; //output frame buffer object (GL -> video) GLuint videoFBO; GLuint videoDepthBuffer; GLuint videoTexture; GLuint videoTexture_u; GLuint videoTexture_v; gint outputWidth; gint outputHeight; GstVideoFormat outputVideo_format; gpointer outputData; GLenum multipleRT[3]; //recorded texture GLuint recordedTexture; GLuint recordedTextureWidth; GLuint recordedTextureHeight; //colorspace conversion method GstGLDisplayConversion colorspace_conversion; //from video to texture gchar* textFProgram_YUY2_UYVY; GLhandleARB GLSLProgram_YUY2; GLhandleARB GLSLProgram_UYVY; gchar* textFProgram_I420_YV12; GLhandleARB GLSLProgram_I420_YV12; gchar* textFProgram_AYUV; GLhandleARB GLSLProgram_AYUV; //from texture to video gchar* textFProgram_to_YUY2_UYVY; GLhandleARB GLSLProgram_to_YUY2; GLhandleARB GLSLProgram_to_UYVY; gchar* textFProgram_to_I420_YV12; GLhandleARB GLSLProgram_to_I420_YV12; gchar* textFProgram_to_AYUV; GLhandleARB GLSLProgram_to_AYUV; //requested shader gchar* requestedTextShader; GLhandleARB requestedHandleShader; GLhandleARB usedHandleShader; GLhandleARB rejectedHandleShader; //client callbacks CRCB clientReshapeCallback; CDCB clientDrawCallback; }; 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 x, GLint y, GLint width, GLint height, gulong winId, gboolean visible); void gst_gl_display_set_visible_context (GstGLDisplay* display, gboolean visible); void gst_gl_display_resize_context (GstGLDisplay* display, gint width, gint height); gboolean gst_gl_display_redisplay (GstGLDisplay* display, GLuint texture, gint width, gint height); void gst_gl_display_gen_texture (GstGLDisplay* display, guint* pTexture); void gst_gl_display_del_texture (GstGLDisplay* display, guint texture); void gst_gl_display_init_upload (GstGLDisplay* display, GstVideoFormat video_format, guint gl_width, guint gl_height); void gst_gl_display_do_upload (GstGLDisplay* display, GstVideoFormat video_format, gint video_width, gint video_height, gpointer data, guint gl_width, guint gl_height, guint pTexture); void gst_gl_display_init_download (GstGLDisplay* display, GstVideoFormat video_format, gint width, gint height); void gst_gl_display_do_download (GstGLDisplay* display, GstVideoFormat video_format, gint width, gint height, GLuint recordedTexture, gpointer data); void gst_gl_display_gen_fbo (GstGLDisplay* display, gint width, gint height, guint* fbo, guint* depthbuffer); void gst_gl_display_use_fbo (GstGLDisplay* display, gint textureFBOWidth, gint textureFBOheight, guint fbo, guint depthbuffer, guint textureFBO, GLCB cb, guint inputTextureWidth, guint inputTextureHeight, guint inputTexture, GLhandleARB handleShader); void gst_gl_display_use_fbo_2 (GstGLDisplay* display, gint textureFBOWidth, gint textureFBOheight, guint fbo, guint depthbuffer, guint textureFBO, GLCB2 cb, gpointer* p1, gpointer* p2); void gst_gl_display_del_fbo (GstGLDisplay* display, guint fbo, guint depthbuffer); void gst_gl_display_gen_shader (GstGLDisplay* display, gchar* textShader, GLhandleARB* handleShader); void gst_gl_display_del_shader (GstGLDisplay* display, GLhandleARB shader); void gst_gl_display_set_window_id (GstGLDisplay* display, gulong winId); 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