/* * GStreamer * Copyright (C) 2012 Matthew Waters * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "gstglupload.h" #include "gstglmemory.h" /** * SECTION:gstglupload * @short_description: an object that uploads to GL textures * @see_also: #GstGLDownload, #GstGLMemory * * #GstGLUpload is an object that uploads data from system memory into GL textures. * * A #GstGLUpload can be created with gst_gl_upload_new() or found with * gst_gl_display_find_upload(). * * All of the _thread() variants should only be called within the GL thread * they don't try to take a lock on the associated #GstGLDisplay and * don't dispatch to the GL thread. Rather they run the required code in the * calling thread. */ static void _do_upload (GstGLDisplay * display, GstGLUpload * upload); static void _do_upload_draw (GstGLDisplay * display, GstGLUpload * upload); static void _do_upload_fill (GstGLDisplay * display, GstGLUpload * upload); static void _do_upload_make (GstGLDisplay * display, GstGLUpload * upload); static void _init_upload (GstGLDisplay * display, GstGLUpload * upload); static void _init_upload_fbo (GstGLDisplay * display, GstGLUpload * upload); static gboolean gst_gl_upload_perform_with_data_unlocked (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]); static gboolean gst_gl_upload_perform_with_data_unlocked_thread (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]); /* YUY2:r,g,a UYVY:a,b,r */ static gchar *text_shader_YUY2_UYVY = #ifndef OPENGL_ES2 "#extension GL_ARB_texture_rectangle : enable\n" "uniform sampler2DRect Ytex, UVtex;\n" #else "precision mediump float;\n" "varying vec2 v_texCoord;\n" "uniform sampler2D Ytex, UVtex;\n" #endif "void main(void) {\n" " float fx, fy, y, u, v, r, g, b;\n" #ifndef OPENGL_ES2 " fx = gl_TexCoord[0].x;\n" " fy = gl_TexCoord[0].y;\n" " y = texture2DRect(Ytex,vec2(fx,fy)).%c;\n" " u = texture2DRect(UVtex,vec2(fx*0.5,fy)).%c;\n" " v = texture2DRect(UVtex,vec2(fx*0.5,fy)).%c;\n" #else " fx = v_texCoord.x;\n" " fy = v_texCoord.y;\n" " y = texture2D(Ytex,vec2(fx,fy)).%c;\n" " u = texture2D(UVtex,vec2(fx*0.5,fy)).%c;\n" " v = texture2D(UVtex,vec2(fx*0.5,fy)).%c;\n" #endif " y=1.164*(y-0.0627);\n" " u=u-0.5;\n" " v=v-0.5;\n" " r = y+1.5958*v;\n" " g = y-0.39173*u-0.81290*v;\n" " b = y+2.017*u;\n" " gl_FragColor = vec4(r, g, b, 1.0);\n" "}\n"; /* ATI: "*0.5", "" normal: "", "*0.5" */ static gchar *text_shader_I420_YV12 = #ifndef OPENGL_ES2 "#extension GL_ARB_texture_rectangle : enable\n" "uniform sampler2DRect Ytex,Utex,Vtex;\n" #else "precision mediump float;\n" "varying vec2 v_texCoord;\n" "uniform sampler2D Ytex,Utex,Vtex;\n" #endif "void main(void) {\n" " float r,g,b,y,u,v;\n" #ifndef OPENGL_ES2 " vec2 nxy = gl_TexCoord[0].xy;\n" " y=texture2DRect(Ytex,nxy%s).r;\n" " u=texture2DRect(Utex,nxy%s).r;\n" " v=texture2DRect(Vtex,nxy*0.5).r;\n" #else " vec2 nxy = v_texCoord.xy;\n" " y=texture2D(Ytex,nxy).r;\n" " u=texture2D(Utex,nxy).r;\n" " v=texture2D(Vtex,nxy).r;\n" #endif " y=1.1643*(y-0.0625);\n" " u=u-0.5;\n" " v=v-0.5;\n" " r=y+1.5958*v;\n" " g=y-0.39173*u-0.81290*v;\n" " b=y+2.017*u;\n" " gl_FragColor=vec4(r,g,b,1.0);\n" "}\n"; static gchar *text_shader_AYUV = #ifndef OPENGL_ES2 "#extension GL_ARB_texture_rectangle : enable\n" "uniform sampler2DRect tex;\n" #else "precision mediump float;\n" "varying vec2 v_texCoord;\n" "uniform sampler2D tex;\n" #endif "void main(void) {\n" " float r,g,b,y,u,v;\n" #ifndef OPENGL_ES2 " vec2 nxy=gl_TexCoord[0].xy;\n" " y=texture2DRect(tex,nxy).r;\n" " u=texture2DRect(tex,nxy).g;\n" " v=texture2DRect(tex,nxy).b;\n" #else " vec2 nxy = v_texCoord.xy;\n" " y=texture2D(tex,nxy).g;\n" " u=texture2D(tex,nxy).b;\n" " v=texture2D(tex,nxy).a;\n" #endif " y=1.1643*(y-0.0625);\n" " u=u-0.5;\n" " v=v-0.5;\n" " r=y+1.5958*v;\n" " g=y-0.39173*u-0.81290*v;\n" " b=y+2.017*u;\n" " gl_FragColor=vec4(r,g,b,1.0);\n" "}\n"; #ifdef OPENGL_ES2 static gchar *text_vertex_shader = "attribute vec4 a_position; \n" "attribute vec2 a_texCoord; \n" "varying vec2 v_texCoord; \n" "void main() \n" "{ \n" " gl_Position = a_position; \n" " v_texCoord = a_texCoord; \n" "} \n"; #endif GST_DEBUG_CATEGORY_STATIC (gst_gl_upload_debug); #define GST_CAT_DEFAULT gst_gl_upload_debug #define DEBUG_INIT \ GST_DEBUG_CATEGORY_INIT (gst_gl_upload_debug, "glupload", 0, "upload"); G_DEFINE_TYPE_WITH_CODE (GstGLUpload, gst_gl_upload, G_TYPE_OBJECT, DEBUG_INIT); static void gst_gl_upload_finalize (GObject * object); #define GST_GL_UPLOAD_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \ GST_TYPE_GL_UPLOAD, GstGLUploadPrivate)) static void gst_gl_upload_class_init (GstGLUploadClass * klass) { G_OBJECT_CLASS (klass)->finalize = gst_gl_upload_finalize; } static void gst_gl_upload_init (GstGLUpload * upload) { upload->display = NULL; g_mutex_init (&upload->lock); upload->fbo = 0; upload->depth_buffer = 0; upload->out_texture = 0; upload->shader = NULL; #ifdef OPENGL_ES2 upload->shader_attr_position_loc = 0; upload->shader_attr_texture_loc = 0; #endif gst_video_info_init (&upload->info); } /** * gst_gl_upload_new: * @display: a #GstGLDisplay * * Returns: a new #GstGLUpload object */ GstGLUpload * gst_gl_upload_new (GstGLDisplay * display) { GstGLUpload *upload; upload = g_object_new (GST_TYPE_GL_UPLOAD, NULL); upload->display = g_object_ref (display); g_mutex_init (&upload->lock); return upload; } static void gst_gl_upload_finalize (GObject * object) { GstGLUpload *upload; guint i; upload = GST_GL_UPLOAD (object); for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) { if (upload->in_texture[i]) { gst_gl_display_del_texture (upload->display, &upload->in_texture[i]); upload->in_texture[i] = 0; } } if (upload->out_texture) { gst_gl_display_del_texture (upload->display, &upload->out_texture); upload->out_texture = 0; } if (upload->fbo || upload->depth_buffer) { gst_gl_display_del_fbo (upload->display, upload->fbo, upload->depth_buffer); upload->fbo = 0; upload->depth_buffer = 0; } if (upload->shader) { g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } if (upload->display) { g_object_unref (G_OBJECT (upload->display)); upload->display = NULL; } } /** * gst_gl_upload_init_format: * @upload: a #GstGLUpload * @v_format: a #GstVideoFormat * @in_width: the width of the data to upload * @in_height: the height of the data to upload * @out_width: the width to upload to * @out_height: the height to upload to * * Initializes @upload with the information required for upload. * * Returns: whether the initialization was successful */ gboolean gst_gl_upload_init_format (GstGLUpload * upload, GstVideoFormat v_format, guint in_width, guint in_height, guint out_width, guint out_height) { GstVideoInfo info; g_return_val_if_fail (upload != NULL, FALSE); g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_UNKNOWN, FALSE); g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_ENCODED, FALSE); g_return_val_if_fail (in_width > 0 && in_height > 0, FALSE); g_return_val_if_fail (out_width > 0 && out_height > 0, FALSE); g_mutex_lock (&upload->lock); if (upload->initted) { g_mutex_unlock (&upload->lock); return FALSE; } else { upload->initted = TRUE; } gst_video_info_set_format (&info, v_format, out_width, out_height); upload->info = info; upload->in_width = in_width; upload->in_height = in_height; gst_gl_display_thread_add (upload->display, (GstGLDisplayThreadFunc) _init_upload, upload); g_mutex_unlock (&upload->lock); return TRUE; } /** * gst_gl_upload_init_format: * @upload: a #GstGLUpload * @v_format: a #GstVideoFormat * @in_width: the width of the data to upload * @in_height: the height of the data to upload * @out_width: the width to upload to * @out_height: the height to upload to * * Initializes @upload with the information required for upload. * * Returns: whether the initialization was successful */ gboolean gst_gl_upload_init_format_thread (GstGLUpload * upload, GstVideoFormat v_format, guint in_width, guint in_height, guint out_width, guint out_height) { GstVideoInfo info; g_return_val_if_fail (upload != NULL, FALSE); g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_UNKNOWN, FALSE); g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_ENCODED, FALSE); g_return_val_if_fail (in_width > 0 && in_height > 0, FALSE); g_return_val_if_fail (out_width > 0 && out_height > 0, FALSE); g_mutex_lock (&upload->lock); if (upload->initted) { g_mutex_unlock (&upload->lock); return FALSE; } else { upload->initted = TRUE; } gst_video_info_set_format (&info, v_format, out_width, out_height); upload->info = info; upload->in_width = in_width; upload->in_height = in_height; _init_upload (upload->display, upload); g_mutex_unlock (&upload->lock); return TRUE; } /** * gst_gl_upload_perform_with_memory: * @upload: a #GstGLUpload * @gl_mem: a #GstGLMemory * * Uploads the texture in @gl_mem * * Returns: whether the upload was successful */ gboolean gst_gl_upload_perform_with_memory (GstGLUpload * upload, GstGLMemory * gl_mem) { gpointer data[GST_VIDEO_MAX_PLANES]; guint i; gboolean ret; g_return_val_if_fail (upload != NULL, FALSE); if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_UPLOAD_INITTED)) return FALSE; if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD)) return FALSE; g_mutex_lock (&upload->lock); upload->in_width = GST_VIDEO_INFO_WIDTH (&upload->info); upload->in_height = GST_VIDEO_INFO_HEIGHT (&upload->info); for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) { data[i] = (guint8 *) gl_mem->data + GST_VIDEO_INFO_PLANE_OFFSET (&upload->info, i); } ret = gst_gl_upload_perform_with_data_unlocked (upload, gl_mem->tex_id, data); GST_GL_MEMORY_FLAG_UNSET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD); g_mutex_unlock (&upload->lock); return ret; } /** * gst_gl_upload_perform_with_data: * @upload: a #GstGLUpload * @texture_id: the texture id to download * @data: where the downloaded data should go * * Uploads @data into @texture_id. @data size and format is specified by * the #GstVideoFormat passed to gst_gl_upload_init_format() * * Returns: whether the upload was successful */ gboolean gst_gl_upload_perform_with_data (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { gboolean ret; g_return_val_if_fail (upload != NULL, FALSE); g_mutex_lock (&upload->lock); ret = gst_gl_upload_perform_with_data_unlocked (upload, texture_id, data); g_mutex_unlock (&upload->lock); return ret; } static inline gboolean _perform_with_data_unlocked_pre (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { guint i; g_return_val_if_fail (upload != NULL, FALSE); g_return_val_if_fail (texture_id > 0, FALSE); g_return_val_if_fail (GST_VIDEO_INFO_FORMAT (&upload->info) != GST_VIDEO_FORMAT_UNKNOWN && GST_VIDEO_INFO_FORMAT (&upload->info) != GST_VIDEO_FORMAT_ENCODED, FALSE); upload->out_texture = texture_id; for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) { upload->data[i] = data[i]; } return TRUE; } static gboolean gst_gl_upload_perform_with_data_unlocked (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { if (!_perform_with_data_unlocked_pre (upload, texture_id, data)) return FALSE; gst_gl_display_thread_add (upload->display, (GstGLDisplayThreadFunc) _do_upload, upload); return TRUE; } /** * gst_gl_upload_perform_with_memory_thread: * @upload: a #GstGLUpload * @gl_mem: a #GstGLMemory * * Uploads the texture in @gl_mem * * Returns: whether the upload was successful */ gboolean gst_gl_upload_perform_with_memory_thread (GstGLUpload * upload, GstGLMemory * gl_mem) { gpointer data[GST_VIDEO_MAX_PLANES]; guint i; gboolean ret; g_return_val_if_fail (upload != NULL, FALSE); if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_UPLOAD_INITTED)) return FALSE; if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD)) return FALSE; g_mutex_lock (&upload->lock); for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) { data[i] = (guint8 *) gl_mem->data + GST_VIDEO_INFO_PLANE_OFFSET (&upload->info, i); } ret = gst_gl_upload_perform_with_data_unlocked_thread (upload, gl_mem->tex_id, data); GST_GL_MEMORY_FLAG_UNSET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD); g_mutex_unlock (&upload->lock); return ret; } /** * gst_gl_upload_perform_with_data_thread: * @upload: a #GstGLUpload * @texture_id: the texture id to download * @data: where the downloaded data should go * * Uploads @data into @texture_id. @data size and format is specified by * the #GstVideoFormat passed to gst_gl_upload_init_format() * * Returns: whether the upload was successful */ gboolean gst_gl_upload_perform_with_data_thread (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { gboolean ret; g_return_val_if_fail (upload != NULL, FALSE); g_mutex_lock (&upload->lock); ret = gst_gl_upload_perform_with_data_unlocked_thread (upload, texture_id, data); g_mutex_unlock (&upload->lock); return ret; } static gboolean gst_gl_upload_perform_with_data_unlocked_thread (GstGLUpload * upload, GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]) { if (!_perform_with_data_unlocked_pre (upload, texture_id, data)) return FALSE; _do_upload (upload->display, upload); return TRUE; } /** * gst_gl_display_find_upload_unlocked: * @display: a #GstGLDisplay * @v_format: a #GstVideoFormat * @in_width: the width of the data to upload * @in_height: the height of the data to upload * @out_width: the width to upload to * @out_height: the height to upload to * * Finds a #GstGLDownload with the required upload settings, creating one * if needed. The returned object may not be initialized so you still * have to call gst_gl_upload_init_format. * * This function is safe to be called in the GL thread * * Returns: a #GstGLUpload object with the required settings */ GstGLUpload * gst_gl_display_find_upload_unlocked (GstGLDisplay * display, GstVideoFormat v_format, guint in_width, guint in_height, guint out_width, guint out_height) { GstGLUpload *ret; GSList *walk; walk = display->uploads; while (walk) { ret = walk->data; if (ret && v_format == GST_VIDEO_INFO_FORMAT (&ret->info) && out_width == GST_VIDEO_INFO_WIDTH (&ret->info) && out_height == GST_VIDEO_INFO_HEIGHT (&ret->info) && in_width == ret->in_width && in_height == ret->in_height) break; ret = NULL; walk = g_slist_next (walk); } if (!ret) { ret = gst_gl_upload_new (display); display->uploads = g_slist_prepend (display->uploads, ret); } return ret; } /** * gst_gl_display_find_upload: * @display: a #GstGLDisplay * @v_format: a #GstVideoFormat * @in_width: the width of the data to upload * @in_height: the height of the data to upload * @out_width: the width to upload to * @out_height: the height to upload to * * Finds a #GstGLDownload with the required upload settings, creating one * if needed. The returned object may not be initialized so you still * have to call gst_gl_upload_init_format. * * Returns: a #GstGLUpload object with the required settings */ GstGLUpload * gst_gl_display_find_upload (GstGLDisplay * display, GstVideoFormat v_format, guint in_width, guint in_height, guint out_width, guint out_height) { GstGLUpload *ret; gst_gl_display_lock (display); ret = gst_gl_display_find_upload_unlocked (display, v_format, in_width, in_height, out_width, out_height); gst_gl_display_unlock (display); return ret; } /* Called in the gl thread */ void _init_upload (GstGLDisplay * display, GstGLUpload * upload) { GstVideoFormat v_format; guint in_width, in_height, out_width, out_height; v_format = GST_VIDEO_INFO_FORMAT (&upload->info); in_width = upload->in_width; in_height = upload->in_height; out_width = GST_VIDEO_INFO_WIDTH (&upload->info); out_height = GST_VIDEO_INFO_HEIGHT (&upload->info); GST_TRACE ("initializing texture upload for format:%d", v_format); switch (v_format) { case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_RGB: case GST_VIDEO_FORMAT_BGR: if (in_width != out_width || in_height != out_height) _init_upload_fbo (display, upload); /* color space conversion is not needed */ break; case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: case GST_VIDEO_FORMAT_AYUV: /* color space conversion is needed */ { /* check if fragment shader is available, then load them */ /* shouldn't we require ARB_shading_language_100? --Filippo */ if (GLEW_ARB_fragment_shader) { #ifdef OPENGL_ES2 GError *error = NULL; #endif GST_INFO ("Context, ARB_fragment_shader supported: yes"); display->colorspace_conversion = GST_GL_DISPLAY_CONVERSION_GLSL; _init_upload_fbo (display, upload); switch (v_format) { case GST_VIDEO_FORMAT_YUY2: { gchar text_shader_YUY2[2048]; sprintf (text_shader_YUY2, text_shader_YUY2_UYVY, 'r', 'g', 'a'); upload->shader = gst_gl_shader_new (); #ifndef OPENGL_ES2 if (!gst_gl_shader_compile_and_check (upload->shader, text_shader_YUY2, GST_GL_SHADER_FRAGMENT_SOURCE)) { gst_gl_display_set_error (display, "Failed to initialize shader for uploading YUY2"); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } #else gst_gl_shader_set_vertex_source (upload->shader, text_vertex_shader); gst_gl_shader_set_fragment_source (upload->shader, text_shader_YUY2); gst_gl_shader_compile (upload->shader, &error); if (error) { gst_gl_display_set_error (display, "%s", error->message); g_error_free (error); error = NULL; gst_gl_shader_use (NULL); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } else { upload->shader_attr_position_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_position"); upload->shader_attr_texture_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_texCoord"); } #endif } break; case GST_VIDEO_FORMAT_UYVY: { gchar text_shader_UYVY[2048]; sprintf (text_shader_UYVY, #ifndef OPENGL_ES2 text_shader_YUY2_UYVY, 'a', 'b', 'r'); #else text_shader_YUY2_UYVY, 'a', 'r', 'b'); #endif upload->shader = gst_gl_shader_new (); #ifndef OPENGL_ES2 if (!gst_gl_shader_compile_and_check (upload->shader, text_shader_UYVY, GST_GL_SHADER_FRAGMENT_SOURCE)) { gst_gl_display_set_error (display, "Failed to initialize shader for uploading UYVY"); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } #else gst_gl_shader_set_vertex_source (upload->shader, text_vertex_shader); gst_gl_shader_set_fragment_source (upload->shader, text_shader_UYVY); gst_gl_shader_compile (upload->shader, &error); if (error) { gst_gl_display_set_error (display, "%s", error->message); g_error_free (error); error = NULL; gst_gl_shader_use (NULL); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } else { upload->shader_attr_position_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_position"); upload->shader_attr_texture_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_texCoord"); } #endif } break; case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: { #ifndef OPENGL_ES2 gchar text_shader[2048]; if ((g_ascii_strncasecmp ("ATI", (gchar *) glGetString (GL_VENDOR), 3) == 0) && (g_ascii_strncasecmp ("ATI Mobility Radeon HD", (gchar *) glGetString (GL_RENDERER), 22) != 0) && (g_ascii_strncasecmp ("ATI Radeon HD", (gchar *) glGetString (GL_RENDERER), 13) != 0)) sprintf (text_shader, text_shader_I420_YV12, "*0.5", ""); else sprintf (text_shader, text_shader_I420_YV12, "", "*0.5"); #endif upload->shader = gst_gl_shader_new (); #ifndef OPENGL_ES2 if (!gst_gl_shader_compile_and_check (upload->shader, text_shader, GST_GL_SHADER_FRAGMENT_SOURCE)) { gst_gl_display_set_error (display, "Failed to initialize shader for uploading I420 or YV12"); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } #else gst_gl_shader_set_vertex_source (upload->shader, text_vertex_shader); gst_gl_shader_set_fragment_source (upload->shader, text_shader_I420_YV12); gst_gl_shader_compile (upload->shader, &error); if (error) { gst_gl_display_set_error (display, "%s", error->message); g_error_free (error); error = NULL; gst_gl_shader_use (NULL); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } else { upload->shader_attr_position_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_position"); upload->shader_attr_texture_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_texCoord"); } #endif } break; case GST_VIDEO_FORMAT_AYUV: { upload->shader = gst_gl_shader_new (); #ifndef OPENGL_ES2 if (!gst_gl_shader_compile_and_check (upload->shader, text_shader_AYUV, GST_GL_SHADER_FRAGMENT_SOURCE)) { gst_gl_display_set_error (display, "Failed to initialize shader for uploading AYUV"); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } #else gst_gl_shader_set_vertex_source (upload->shader, text_vertex_shader); gst_gl_shader_set_fragment_source (upload->shader, text_shader_AYUV); gst_gl_shader_compile (upload->shader, &error); if (error) { gst_gl_display_set_error (display, "%s", error->message); g_error_free (error); error = NULL; gst_gl_shader_use (NULL); g_object_unref (G_OBJECT (upload->shader)); upload->shader = NULL; } else { upload->shader_attr_position_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_position"); upload->shader_attr_texture_loc = gst_gl_shader_get_attribute_location (upload->shader, "a_texCoord"); } #endif } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); break; } } /* check if YCBCR MESA is available */ else if (GLEW_MESA_ycbcr_texture) { /* GLSL and Color Matrix are not available on your drivers, * switch to YCBCR MESA */ GST_INFO ("Context, ARB_fragment_shader supported: no"); GST_INFO ("Context, GLEW_MESA_ycbcr_texture supported: yes"); display->colorspace_conversion = GST_GL_DISPLAY_CONVERSION_MESA; switch (v_format) { case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: /* color space conversion is not needed */ break; case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: case GST_VIDEO_FORMAT_AYUV: /* MESA only supports YUY2 and UYVY */ gst_gl_display_set_error (display, "Your MESA version only supports YUY2 and UYVY (GLSL is required for others yuv formats)"); break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); break; } } /* check if color matrix is available (not supported) */ else if (GLEW_ARB_imaging) { /* GLSL is not available on your drivers, switch to Color Matrix */ GST_INFO ("Context, ARB_fragment_shader supported: no"); GST_INFO ("Context, GLEW_MESA_ycbcr_texture supported: no"); GST_INFO ("Context, GLEW_ARB_imaging supported: yes"); display->colorspace_conversion = GST_GL_DISPLAY_CONVERSION_MATRIX; gst_gl_display_set_error (display, "Colorspace conversion using Color Matrix is not yet supported"); } else { /* colorspace conversion is not possible */ gst_gl_display_set_error (display, "ARB_fragment_shader supported, GLEW_ARB_imaging supported, GLEW_MESA_ycbcr_texture supported, not supported"); } } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); break; } } /* called by _init_upload (in the gl thread) */ void _init_upload_fbo (GstGLDisplay * display, GstGLUpload * upload) { guint out_width, out_height; GLuint fake_texture = 0; /* a FBO must hava texture to init */ out_width = GST_VIDEO_INFO_WIDTH (&upload->info); out_height = GST_VIDEO_INFO_HEIGHT (&upload->info); if (!GLEW_EXT_framebuffer_object) { /* turn off the pipeline because Frame buffer object is a not present */ gst_gl_display_set_error (display, "Context, EXT_framebuffer_object supported: no"); return; } GST_INFO ("Context, EXT_framebuffer_object supported: yes"); /* setup FBO */ glGenFramebuffersEXT (1, &upload->fbo); glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, upload->fbo); /* setup the render buffer for depth */ glGenRenderbuffersEXT (1, &upload->depth_buffer); glBindRenderbufferEXT (GL_RENDERBUFFER_EXT, upload->depth_buffer); #ifndef OPENGL_ES2 glRenderbufferStorageEXT (GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, out_width, out_height); glRenderbufferStorageEXT (GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, out_width, out_height); #else glRenderbufferStorageEXT (GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT16, out_width, out_height); #endif /* a fake texture is attached to the upload FBO (cannot init without it) */ glGenTextures (1, &fake_texture); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, fake_texture); glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, out_width, out_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); /* attach the texture to the FBO to renderer to */ glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, fake_texture, 0); /* attach the depth render buffer to the FBO */ glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, upload->depth_buffer); #ifndef OPENGL_ES2 glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, upload->depth_buffer); #endif gst_gl_display_check_framebuffer_status (); if (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) gst_gl_display_set_error (display, "GL framebuffer status incomplete"); /* unbind the FBO */ glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0); glDeleteTextures (1, &fake_texture); _do_upload_make (display, upload); } /* Called by the idle function in the gl thread */ void _do_upload (GstGLDisplay * display, GstGLUpload * upload) { GstVideoFormat v_format; guint in_width, in_height, out_width, out_height; out_width = GST_VIDEO_INFO_WIDTH (&upload->info); out_height = GST_VIDEO_INFO_HEIGHT (&upload->info); v_format = GST_VIDEO_INFO_FORMAT (&upload->info); in_width = upload->in_width; in_height = upload->in_height; GST_TRACE ("uploading texture:%u dimensions: %ux%u", upload->out_texture, out_width, out_height); _do_upload_fill (display, upload); switch (v_format) { case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_RGB: case GST_VIDEO_FORMAT_BGR: if (in_width != out_width || in_height != out_height) _do_upload_draw (display, upload); /* color space conversion is not needed */ break; case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: case GST_VIDEO_FORMAT_AYUV: { switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: /* color space conversion is needed */ _do_upload_draw (display, upload); break; case GST_GL_DISPLAY_CONVERSION_MATRIX: /* color space conversion is needed */ /* not yet supported */ break; case GST_GL_DISPLAY_CONVERSION_MESA: if (in_width != out_width || in_height != out_height) _do_upload_draw (display, upload); /* color space conversion is not needed */ break; default: gst_gl_display_set_error (display, "Unknown colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); g_assert_not_reached (); break; } } /* called by gst_gl_display_thread_do_upload (in the gl thread) */ void _do_upload_make (GstGLDisplay * display, GstGLUpload * upload) { GstVideoFormat v_format; guint in_width, in_height; in_width = upload->in_width; in_height = upload->in_height; v_format = GST_VIDEO_INFO_FORMAT (&upload->info); glGenTextures (1, &upload->in_texture[0]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); switch (v_format) { case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ABGR: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, in_width, in_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); break; case GST_VIDEO_FORMAT_RGB: case GST_VIDEO_FORMAT_BGR: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, in_width, in_height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); break; case GST_VIDEO_FORMAT_AYUV: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, in_width, in_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, NULL); break; case GST_VIDEO_FORMAT_YUY2: switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE_ALPHA, in_width, in_height, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, NULL); glGenTextures (1, &upload->in_texture[1]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, in_width, in_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL); break; case GST_GL_DISPLAY_CONVERSION_MESA: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, in_width, in_height, 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, NULL); break; default: gst_gl_display_set_error (display, "Unknown colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } break; case GST_VIDEO_FORMAT_UYVY: switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE_ALPHA, in_width, in_height, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, NULL); glGenTextures (1, &upload->in_texture[1]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, in_width, in_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL); break; case GST_GL_DISPLAY_CONVERSION_MESA: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, in_width, in_height, 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, NULL); break; default: gst_gl_display_set_error (display, "Unknown colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } break; case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE, in_width, in_height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL); glGenTextures (1, &upload->in_texture[1]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL); glGenTextures (1, &upload->in_texture[2]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]); glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL); break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); g_assert_not_reached (); break; } } /* called by gst_gl_display_thread_do_upload (in the gl thread) */ void _do_upload_fill (GstGLDisplay * display, GstGLUpload * upload) { GstVideoFormat v_format; guint in_width, in_height, out_width, out_height; in_width = upload->in_width; in_height = upload->in_height; out_width = GST_VIDEO_INFO_WIDTH (&upload->info); out_height = GST_VIDEO_INFO_HEIGHT (&upload->info); v_format = GST_VIDEO_INFO_FORMAT (&upload->info); switch (v_format) { case GST_VIDEO_FORMAT_RGB: case GST_VIDEO_FORMAT_BGR: case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ABGR: /* color space conversion is not needed */ if (in_width != out_width || in_height != out_height) glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); else glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->out_texture); break; case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: case GST_VIDEO_FORMAT_AYUV: switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); break; case GST_GL_DISPLAY_CONVERSION_MESA: if (in_width != out_width || in_height != out_height) glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); else glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->out_texture); break; default: gst_gl_display_set_error (display, "Unknown colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); g_assert_not_reached (); break; } switch (v_format) { case GST_VIDEO_FORMAT_RGB: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_RGB, GL_UNSIGNED_BYTE, upload->data[0]); break; case GST_VIDEO_FORMAT_BGR: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_BGR, GL_UNSIGNED_BYTE, upload->data[0]); break; case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_RGBA: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_RGBA, GL_UNSIGNED_BYTE, upload->data[0]); break; case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_BGRA: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_BGRA, GL_UNSIGNED_BYTE, upload->data[0]); break; case GST_VIDEO_FORMAT_AYUV: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_ARGB: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, upload->data[0]); break; case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_ABGR: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, upload->data[0]); break; case GST_VIDEO_FORMAT_YUY2: switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, upload->data[0]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, in_height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, upload->data[0]); break; case GST_GL_DISPLAY_CONVERSION_MESA: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, upload->data[0]); break; default: gst_gl_display_set_error (display, "Unknow colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } break; case GST_VIDEO_FORMAT_UYVY: switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, upload->data[0]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, in_height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, upload->data[0]); break; case GST_GL_DISPLAY_CONVERSION_MESA: glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, upload->data[0]); break; default: gst_gl_display_set_error (display, "Unknow colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } break; case GST_VIDEO_FORMAT_I420: { glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]); } break; case GST_VIDEO_FORMAT_YV12: /* same as I420 except plane 1+2 swapped */ { glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]); } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); g_assert_not_reached (); break; } /* make sure no texture is in use in our opengl context * in case we want to use the upload texture in an other opengl context */ glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0); } /* called by _do_upload (in the gl thread) */ void _do_upload_draw (GstGLDisplay * display, GstGLUpload * upload) { GstVideoFormat v_format; guint out_width, out_height; #ifndef OPENGL_ES2 guint in_width, in_height; #else GLint viewport_dim[4]; const GLfloat vVertices[] = { 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, -1.0f, -1.0f, 0.0f, 0.0f, .0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f }; GLushort indices[] = { 0, 1, 2, 0, 2, 3 }; #endif out_width = GST_VIDEO_INFO_WIDTH (&upload->info); out_height = GST_VIDEO_INFO_HEIGHT (&upload->info); v_format = GST_VIDEO_INFO_FORMAT (&upload->info); glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, upload->fbo); /* setup a texture to render to */ #ifndef OPENGL_ES2 in_width = upload->in_width; in_height = upload->in_height; glEnable (GL_TEXTURE_RECTANGLE_ARB); #endif glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->out_texture); /* attach the texture to the FBO to renderer to */ glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, upload->out_texture, 0); if (GLEW_ARB_fragment_shader) gst_gl_shader_use (NULL); #ifndef OPENGL_ES2 glPushAttrib (GL_VIEWPORT_BIT); glMatrixMode (GL_PROJECTION); glPushMatrix (); glLoadIdentity (); gluOrtho2D (0.0, out_width, 0.0, out_height); glMatrixMode (GL_MODELVIEW); glPushMatrix (); glLoadIdentity (); #else /* OPENGL_ES2 */ glGetIntegerv (GL_VIEWPORT, viewport_dim); #endif glViewport (0, 0, out_width, out_height); #ifndef OPENGL_ES2 glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT); #endif glClearColor (0.0, 0.0, 0.0, 0.0); glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); switch (v_format) { case GST_VIDEO_FORMAT_RGBx: case GST_VIDEO_FORMAT_BGRx: case GST_VIDEO_FORMAT_xRGB: case GST_VIDEO_FORMAT_xBGR: case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_RGB: case GST_VIDEO_FORMAT_BGR: { #ifndef OPENGL_ES2 glMatrixMode (GL_PROJECTION); glLoadIdentity (); #else glVertexAttribPointer (upload->shader_attr_position_loc, 3, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices); glVertexAttribPointer (upload->shader_attr_texture_loc, 2, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]); glEnableVertexAttribArray (upload->shader_attr_position_loc); glEnableVertexAttribArray (upload->shader_attr_texture_loc); #endif #ifndef OPENGL_ES2 glEnable (GL_TEXTURE_RECTANGLE_ARB); #endif glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); #ifndef OPENGL_ES2 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); #endif } break; case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: { switch (display->colorspace_conversion) { case GST_GL_DISPLAY_CONVERSION_GLSL: case GST_GL_DISPLAY_CONVERSION_MATRIX: { gst_gl_shader_use (upload->shader); #ifndef OPENGL_ES2 glMatrixMode (GL_PROJECTION); glLoadIdentity (); #else glVertexAttribPointer (upload->shader_attr_position_loc, 3, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices); glVertexAttribPointer (upload->shader_attr_texture_loc, 2, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]); glEnableVertexAttribArray (upload->shader_attr_position_loc); glEnableVertexAttribArray (upload->shader_attr_texture_loc); #endif glActiveTextureARB (GL_TEXTURE1_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "UVtex", 1); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glActiveTextureARB (GL_TEXTURE0_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "Ytex", 0); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } break; case GST_GL_DISPLAY_CONVERSION_MESA: { #ifndef OPENGL_ES2 glMatrixMode (GL_PROJECTION); glLoadIdentity (); glEnable (GL_TEXTURE_RECTANGLE_ARB); #endif glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); #ifndef OPENGL_ES2 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); #endif } break; default: gst_gl_display_set_error (display, "Unknow colorspace conversion %d", display->colorspace_conversion); g_assert_not_reached (); break; } } break; case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_YV12: { gst_gl_shader_use (upload->shader); #ifndef OPENGL_ES2 glMatrixMode (GL_PROJECTION); glLoadIdentity (); #else glVertexAttribPointer (upload->shader_attr_position_loc, 3, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices); glVertexAttribPointer (upload->shader_attr_texture_loc, 2, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]); glEnableVertexAttribArray (upload->shader_attr_position_loc); glEnableVertexAttribArray (upload->shader_attr_texture_loc); #endif glActiveTextureARB (GL_TEXTURE1_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "Utex", 1); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glActiveTextureARB (GL_TEXTURE2_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "Vtex", 2); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glActiveTextureARB (GL_TEXTURE0_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "Ytex", 0); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } break; case GST_VIDEO_FORMAT_AYUV: { gst_gl_shader_use (upload->shader); #ifndef OPENGL_ES2 glMatrixMode (GL_PROJECTION); glLoadIdentity (); #else glVertexAttribPointer (upload->shader_attr_position_loc, 3, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices); glVertexAttribPointer (upload->shader_attr_texture_loc, 2, GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]); glEnableVertexAttribArray (upload->shader_attr_position_loc); glEnableVertexAttribArray (upload->shader_attr_texture_loc); #endif glActiveTextureARB (GL_TEXTURE0_ARB); gst_gl_shader_set_uniform_1i (upload->shader, "tex", 0); glBindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } break; default: gst_gl_display_set_error (display, "Unsupported upload video format %d", v_format); g_assert_not_reached (); break; } /* end switch display->currentVideo_format */ #ifndef OPENGL_ES2 glBegin (GL_QUADS); glTexCoord2i (in_width, 0); glVertex2f (1.0f, -1.0f); glTexCoord2i (0, 0); glVertex2f (-1.0f, -1.0f); glTexCoord2i (0, in_height); glVertex2f (-1.0f, 1.0f); glTexCoord2i (in_width, in_height); glVertex2f (1.0f, 1.0f); glEnd (); glDrawBuffer (GL_NONE); #else /* OPENGL_ES2 */ glDrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices); #endif /* we are done with the shader */ if (display->colorspace_conversion == GST_GL_DISPLAY_CONVERSION_GLSL) glUseProgramObjectARB (0); #ifndef OPENGL_ES2 glDisable (GL_TEXTURE_RECTANGLE_ARB); glMatrixMode (GL_PROJECTION); glPopMatrix (); glMatrixMode (GL_MODELVIEW); glPopMatrix (); glPopAttrib (); #else glViewport (viewport_dim[0], viewport_dim[1], viewport_dim[2], viewport_dim[3]); #endif gst_gl_display_check_framebuffer_status (); glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0); }