/* * GStreamer * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com> * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstglapi.h" /** * gst_gl_api_to_string: * @api: a #GstGLAPI to stringify * * Returns: A space seperated string of the OpenGL api's enabled in @api */ gchar * gst_gl_api_to_string (GstGLAPI api) { GString *str = NULL; gchar *ret; if (api == GST_GL_API_NONE) { str = g_string_new ("none"); goto out; } else if (api == GST_GL_API_ANY) { str = g_string_new ("any"); goto out; } if (api & GST_GL_API_OPENGL) { str = g_string_new (GST_GL_API_OPENGL_NAME); } if (api & GST_GL_API_OPENGL3) { if (str) { g_string_append (str, " " GST_GL_API_OPENGL3_NAME); } else { str = g_string_new (GST_GL_API_OPENGL3_NAME); } } if (api & GST_GL_API_GLES1) { if (str) { g_string_append (str, " " GST_GL_API_GLES1_NAME); } else { str = g_string_new (GST_GL_API_GLES1_NAME); } } if (api & GST_GL_API_GLES2) { if (str) { g_string_append (str, " " GST_GL_API_GLES2_NAME); } else { str = g_string_new (GST_GL_API_GLES2_NAME); } } out: if (!str) str = g_string_new ("unknown"); ret = g_string_free (str, FALSE); return ret; } /** * gst_gl_api_from_string: * @api_s: a space seperated string of OpenGL apis * * Returns: The #GstGLAPI represented by @api_s */ GstGLAPI gst_gl_api_from_string (const gchar * apis_s) { GstGLAPI ret = GST_GL_API_NONE; gchar *apis = (gchar *) apis_s; if (!apis || apis[0] == '\0') { ret = GST_GL_API_ANY; } else { while (apis) { if (apis[0] == '\0') { break; } else if (apis[0] == ' ' || apis[0] == ',') { apis = &apis[1]; } else if (g_strstr_len (apis, 7, GST_GL_API_OPENGL3_NAME)) { ret |= GST_GL_API_OPENGL3; apis = &apis[7]; } else if (g_strstr_len (apis, 6, GST_GL_API_OPENGL_NAME)) { ret |= GST_GL_API_OPENGL; apis = &apis[6]; } else if (g_strstr_len (apis, 5, GST_GL_API_GLES1_NAME)) { ret |= GST_GL_API_GLES1; apis = &apis[5]; } else if (g_strstr_len (apis, 5, GST_GL_API_GLES2_NAME)) { ret |= GST_GL_API_GLES2; apis = &apis[5]; } else { GST_ERROR ("Error parsing \'%s\'", apis); break; } } } return ret; } /** * gst_gl_platform_to_string: * @api: a #GstGLPlatform to stringify * * Returns: A space seperated string of the OpenGL platforms enabled in @api */ gchar * gst_gl_platform_to_string (GstGLPlatform platform) { GString *str = NULL; gchar *ret; if (platform == GST_GL_PLATFORM_NONE) { str = g_string_new ("none"); goto out; } else if (platform == GST_GL_PLATFORM_ANY) { str = g_string_new ("any"); goto out; } str = g_string_new (""); if (platform & GST_GL_PLATFORM_GLX) { str = g_string_append (str, "glx "); } if (platform & GST_GL_PLATFORM_EGL) { str = g_string_append (str, "egl "); } if (platform & GST_GL_PLATFORM_WGL) { str = g_string_append (str, "wgl "); } if (platform & GST_GL_PLATFORM_CGL) { str = g_string_append (str, "cgl "); } out: if (!str) str = g_string_new ("unknown"); ret = g_string_free (str, FALSE); return ret; } /** * gst_gl_platform_from_string: * @platform_s: a space seperated string of OpenGL platformss * * Returns: The #GstGLPlatform represented by @platform_s */ GstGLPlatform gst_gl_platform_from_string (const gchar * platform_s) { GstGLPlatform ret = GST_GL_PLATFORM_NONE; gchar *platform = (gchar *) platform_s; if (!platform || platform[0] == '\0') { ret = GST_GL_PLATFORM_ANY; } else { while (platform) { if (platform[0] == '\0') { break; } else if (platform[0] == ' ' || platform[0] == ',') { platform = &platform[1]; } else if (g_strstr_len (platform, 3, "glx")) { ret |= GST_GL_PLATFORM_GLX; platform = &platform[3]; } else if (g_strstr_len (platform, 3, "egl")) { ret |= GST_GL_PLATFORM_EGL; platform = &platform[3]; } else if (g_strstr_len (platform, 3, "wgl")) { ret |= GST_GL_PLATFORM_WGL; platform = &platform[3]; } else if (g_strstr_len (platform, 3, "cgl")) { ret |= GST_GL_PLATFORM_CGL; platform = &platform[3]; } else { GST_ERROR ("Error parsing \'%s\'", platform); break; } } } return ret; }