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[903/906] api: add GstGLPlatform to/from string

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This commit is contained in:
Matthew Waters 2014-03-15 13:51:44 +01:00 committed by Tim-Philipp Müller
parent d6e6ac471d
commit f772bc1afc
2 changed files with 91 additions and 1 deletions
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87
gst-libs/gst/gl/gstglapi.c
View file

@ -129,3 +129,90 @@ gst_gl_api_from_string (const gchar * apis_s)
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)
return "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;
}

5
gst-libs/gst/gl/gstglapi.h
View file

@ -78,7 +78,7 @@ typedef enum {
typedef enum
{
GST_GL_PLATFORM_UNKNOWN = 0,
GST_GL_PLATFORM_NONE = 0,
GST_GL_PLATFORM_EGL = (1 << 0),
GST_GL_PLATFORM_GLX = (1 << 1),
GST_GL_PLATFORM_WGL = (1 << 2),
@ -119,6 +119,9 @@ typedef struct _GstGLFuncs
gchar * gst_gl_api_to_string (GstGLAPI api);
GstGLAPI gst_gl_api_from_string (const gchar * api_s);
gchar * gst_gl_platform_to_string (GstGLPlatform api);
GstGLPlatform gst_gl_platform_from_string (const gchar * platform_s);
G_END_DECLS
#endif /* __GST_GL_API_H__ */