Utilities

Utilities

Functions

Types and Values

Object Hierarchy


Description

Functions

GLCB ()

void
(*GLCB) (gint Param1,
         gint Param2,
         guint Param3,
         gpointer stuff);

callback definition for operating on textures

Parameters

width

the width

 

height

the height

 

texture

texture

 

stuff

user data

 

GLCB_V2 ()

void
(*GLCB_V2) (gpointer stuff);

callback definition for operating through a Framebuffer object

Parameters

stuff

user data

 

CDCB ()

gboolean
(*CDCB) (GLuint texture,
         GLuint width,
         GLuint height,
         gpointer data);

client draw callback

Parameters

texture

texture to draw

 

width

new width

 

height

new height:

 

data

user data

 

gst_gl_ensure_display ()

gboolean
gst_gl_ensure_display (gpointer element,
                       GstGLDisplay **display_ptr);

gst_gl_handle_set_context ()

gboolean
gst_gl_handle_set_context (GstElement *element,
                           GstContext *context,
                           GstGLDisplay **display);

gst_gl_handle_context_query ()

gboolean
gst_gl_handle_context_query (GstElement *element,
                             GstQuery *query,
                             GstGLDisplay **display);

gst_gl_context_gen_texture ()

void
gst_gl_context_gen_texture (GstGLContext *context,
                            GLuint *pTexture,
                            GstVideoFormat v_format,
                            GLint width,
                            GLint height);

gst_gl_context_del_texture ()

void
gst_gl_context_del_texture (GstGLContext *context,
                            GLuint *pTexture);

gst_gl_context_gen_fbo ()

gboolean
gst_gl_context_gen_fbo (GstGLContext *context,
                        gint width,
                        gint height,
                        GLuint *fbo,
                        GLuint *depthbuffer);

gst_gl_context_del_fbo ()

void
gst_gl_context_del_fbo (GstGLContext *context,
                        GLuint fbo,
                        GLuint depth_buffer);

gst_gl_context_use_fbo ()

gboolean
gst_gl_context_use_fbo (GstGLContext *context,
                        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);

gst_gl_context_use_fbo_v2 ()

gboolean
gst_gl_context_use_fbo_v2 (GstGLContext *context,
                           gint texture_fbo_width,
                           gint texture_fbo_height,
                           GLuint fbo,
                           GLuint depth_buffer,
                           GLuint texture_fbo,
                           GLCB_V2 cb,
                           gpointer stuff);

gst_gl_context_gen_shader ()

gboolean
gst_gl_context_gen_shader (GstGLContext *context,
                           const gchar *shader_vertex_source,
                           const gchar *shader_fragment_source,
                           GstGLShader **shader);

gst_gl_context_del_shader ()

void
gst_gl_context_del_shader (GstGLContext *context,
                           GstGLShader *shader);

gst_gl_context_check_framebuffer_status ()

gboolean
gst_gl_context_check_framebuffer_status
                               (GstGLContext *context);

gst_gl_context_set_error ()

void
gst_gl_context_set_error (GstGLContext *context,
                          const char *format,
                          ...);

gst_gl_context_get_error ()

gchar *
gst_gl_context_get_error (void);

gst_gl_context_clear_shader ()

void
gst_gl_context_clear_shader (GstGLContext *context);

gst_gl_generate_texture_full ()

void
gst_gl_generate_texture_full (GstGLContext *context,
                              const GstVideoInfo *info,
                              const guint comp,
                              gint stride[],
                              gsize offset[],
                              gsize size[],
                              GLuint *pTexture);

Types and Values

enum GstGLDisplayProjection

Members

GST_GL_DISPLAY_PROJECTION_ORTHO2D

   

GST_GL_DISPLAY_PROJECTION_PERSPECTIVE