mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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218 lines
5.4 KiB
C
218 lines
5.4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstglapi.h"
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/**
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* gst_gl_api_to_string():
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*
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* @api: a #GstGLAPI to stringify
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*
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* Returns: A space seperated string of the OpenGL api's enabled in @api
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*/
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gchar *
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gst_gl_api_to_string (GstGLAPI api)
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{
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GString *str = NULL;
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gchar *ret;
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if (api == GST_GL_API_NONE) {
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str = g_string_new ("none");
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goto out;
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} else if (api == GST_GL_API_ANY) {
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str = g_string_new ("any");
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goto out;
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}
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if (api & GST_GL_API_OPENGL) {
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str = g_string_new (GST_GL_API_OPENGL_NAME);
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}
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if (api & GST_GL_API_OPENGL3) {
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if (str) {
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g_string_append (str, " " GST_GL_API_OPENGL3_NAME);
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} else {
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str = g_string_new (GST_GL_API_OPENGL3_NAME);
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}
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}
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if (api & GST_GL_API_GLES1) {
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if (str) {
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g_string_append (str, " " GST_GL_API_GLES1_NAME);
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} else {
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str = g_string_new (GST_GL_API_GLES1_NAME);
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}
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}
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if (api & GST_GL_API_GLES2) {
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if (str) {
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g_string_append (str, " " GST_GL_API_GLES2_NAME);
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} else {
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str = g_string_new (GST_GL_API_GLES2_NAME);
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}
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}
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if (api & GST_GL_API_GLES3) {
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if (str) {
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g_string_append (str, " " GST_GL_API_GLES3_NAME);
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} else {
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str = g_string_new (GST_GL_API_GLES3_NAME);
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}
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}
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out:
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if (!str)
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str = g_string_new ("unknown");
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ret = g_string_free (str, FALSE);
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return ret;
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}
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/**
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* gst_gl_api_from_string():
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*
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* @apis_s: a space seperated string of OpenGL apis
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*
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* Returns: The #GstGLAPI represented by @apis_s
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*/
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GstGLAPI
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gst_gl_api_from_string (const gchar * apis_s)
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{
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GstGLAPI ret = GST_GL_API_NONE;
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gchar *apis = (gchar *) apis_s;
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if (!apis || apis[0] == '\0') {
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ret = GST_GL_API_ANY;
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} else {
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while (apis) {
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if (apis[0] == '\0') {
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break;
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} else if (apis[0] == ' ' || apis[0] == ',') {
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apis = &apis[1];
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} else if (g_strstr_len (apis, 7, GST_GL_API_OPENGL3_NAME)) {
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ret |= GST_GL_API_OPENGL3;
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apis = &apis[7];
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} else if (g_strstr_len (apis, 6, GST_GL_API_OPENGL_NAME)) {
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ret |= GST_GL_API_OPENGL;
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apis = &apis[6];
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} else if (g_strstr_len (apis, 5, GST_GL_API_GLES1_NAME)) {
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ret |= GST_GL_API_GLES1;
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apis = &apis[5];
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} else if (g_strstr_len (apis, 5, GST_GL_API_GLES2_NAME)) {
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ret |= GST_GL_API_GLES2;
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apis = &apis[5];
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} else if (g_strstr_len (apis, 5, GST_GL_API_GLES3_NAME)) {
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ret |= GST_GL_API_GLES3;
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apis = &apis[5];
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} else {
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GST_ERROR ("Error parsing \'%s\'", apis);
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break;
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}
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}
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}
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return ret;
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}
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/**
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* gst_gl_platform_to_string():
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*
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* @api: a #GstGLPlatform to stringify
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*
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* Returns: A space seperated string of the OpenGL platforms enabled in @api
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*/
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gchar *
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gst_gl_platform_to_string (GstGLPlatform platform)
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{
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GString *str = NULL;
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gchar *ret;
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if (platform == GST_GL_PLATFORM_NONE) {
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str = g_string_new ("none");
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goto out;
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} else if (platform == GST_GL_PLATFORM_ANY) {
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str = g_string_new ("any");
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goto out;
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}
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str = g_string_new ("");
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if (platform & GST_GL_PLATFORM_GLX) {
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str = g_string_append (str, "glx ");
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}
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if (platform & GST_GL_PLATFORM_EGL) {
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str = g_string_append (str, "egl ");
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}
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if (platform & GST_GL_PLATFORM_WGL) {
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str = g_string_append (str, "wgl ");
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}
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if (platform & GST_GL_PLATFORM_CGL) {
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str = g_string_append (str, "cgl ");
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}
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out:
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if (!str)
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str = g_string_new ("unknown");
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ret = g_string_free (str, FALSE);
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return ret;
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}
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/**
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* gst_gl_platform_from_string():
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*
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* @platform_s: a space seperated string of OpenGL platformss
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*
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* Returns: The #GstGLPlatform represented by @platform_s
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*/
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GstGLPlatform
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gst_gl_platform_from_string (const gchar * platform_s)
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{
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GstGLPlatform ret = GST_GL_PLATFORM_NONE;
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gchar *platform = (gchar *) platform_s;
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if (!platform || platform[0] == '\0') {
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ret = GST_GL_PLATFORM_ANY;
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} else {
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while (platform) {
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if (platform[0] == '\0') {
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break;
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} else if (platform[0] == ' ' || platform[0] == ',') {
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platform = &platform[1];
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} else if (g_strstr_len (platform, 3, "glx")) {
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ret |= GST_GL_PLATFORM_GLX;
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platform = &platform[3];
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} else if (g_strstr_len (platform, 3, "egl")) {
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ret |= GST_GL_PLATFORM_EGL;
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platform = &platform[3];
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} else if (g_strstr_len (platform, 3, "wgl")) {
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ret |= GST_GL_PLATFORM_WGL;
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platform = &platform[3];
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} else if (g_strstr_len (platform, 3, "cgl")) {
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ret |= GST_GL_PLATFORM_CGL;
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platform = &platform[3];
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} else {
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GST_ERROR ("Error parsing \'%s\'", platform);
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break;
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}
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}
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}
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return ret;
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}
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