gstreamer/tools/utils.c

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4.7 KiB
C
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2015-12-03 11:32:05 +00:00
#include <string.h>
#include "utils.h"
#include <gst/pbutils/descriptions.h>
void
print (GstDebugColorFlags c, gboolean err, gboolean nline, const gchar * format,
va_list var_args)
{
GString *str = g_string_new (NULL);
GstDebugColorMode color_mode;
gchar *color = NULL;
const gchar *clear = NULL;
color_mode = gst_debug_get_color_mode ();
#ifdef G_OS_WIN32
if (color_mode == GST_DEBUG_COLOR_MODE_UNIX) {
#else
if (color_mode != GST_DEBUG_COLOR_MODE_OFF) {
#endif
clear = "\033[00m";
color = gst_debug_construct_term_color (c);
}
if (color) {
g_string_append (str, color);
g_free (color);
}
g_string_append_vprintf (str, format, var_args);
if (nline)
g_string_append_c (str, '\n');
if (clear)
g_string_append (str, clear);
if (err)
g_printerr ("%s", str->str);
else
g_print ("%s", str->str);
g_string_free (str, TRUE);
}
void
ok (const gchar * format, ...)
{
va_list var_args;
va_start (var_args, format);
print (GST_DEBUG_FG_GREEN, FALSE, TRUE, format, var_args);
va_end (var_args);
}
void
warn (const gchar * format, ...)
{
va_list var_args;
va_start (var_args, format);
print (GST_DEBUG_FG_YELLOW, TRUE, TRUE, format, var_args);
va_end (var_args);
}
void
error (const gchar * format, ...)
{
va_list var_args;
va_start (var_args, format);
print (GST_DEBUG_FG_RED, TRUE, TRUE, format, var_args);
va_end (var_args);
}
gchar *
ensure_uri (const gchar * location)
{
if (gst_uri_is_valid (location))
return g_strdup (location);
else
return gst_filename_to_uri (location, NULL);
}
gchar *
get_file_extension (gchar * uri)
{
size_t len;
gint find;
len = strlen (uri);
find = len - 1;
while (find >= 0) {
if (uri[find] == '.')
break;
find--;
}
if (find < 0)
return NULL;
return &uri[find + 1];
}
GList *
get_usable_profiles (GstEncodingTarget * target)
{
GList *tmpprof, *usable_profiles = NULL;
for (tmpprof = (GList *) gst_encoding_target_get_profiles (target);
tmpprof; tmpprof = tmpprof->next) {
GstEncodingProfile *profile = tmpprof->data;
GstElement *tmpencodebin = gst_element_factory_make ("encodebin", NULL);
gst_encoding_profile_set_presence (profile, 1);
if (GST_IS_ENCODING_CONTAINER_PROFILE (profile)) {
GList *tmpsubprof;
for (tmpsubprof = (GList *)
gst_encoding_container_profile_get_profiles
(GST_ENCODING_CONTAINER_PROFILE (profile)); tmpsubprof;
tmpsubprof = tmpsubprof->next)
gst_encoding_profile_set_presence (tmpsubprof->data, 1);
}
g_object_set (tmpencodebin, "profile", gst_object_ref (profile), NULL);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (tmpencodebin),
GST_DEBUG_GRAPH_SHOW_ALL, gst_encoding_profile_get_name (profile));
/* The profile could be expended */
if (GST_BIN (tmpencodebin)->children)
usable_profiles = g_list_prepend (usable_profiles, profile);
gst_object_unref (tmpencodebin);
}
return usable_profiles;
}
GstEncodingProfile *
create_encoding_profile (const gchar * pname)
{
GstEncodingProfile *profile;
GValue value = G_VALUE_INIT;
g_value_init (&value, GST_TYPE_ENCODING_PROFILE);
if (!gst_value_deserialize (&value, pname)) {
g_value_reset (&value);
return NULL;
}
profile = g_value_dup_object (&value);
g_value_reset (&value);
return profile;
}
static const gchar *
get_profile_type (GstEncodingProfile * profile)
{
if (GST_IS_ENCODING_CONTAINER_PROFILE (profile))
return "Container";
else if (GST_IS_ENCODING_AUDIO_PROFILE (profile))
return "Audio";
else if (GST_IS_ENCODING_VIDEO_PROFILE (profile))
return "Video";
else
return "Unkonwn";
}
static void
print_profile (GstEncodingProfile * profile, const gchar * prefix)
{
const gchar *name = gst_encoding_profile_get_name (profile);
const gchar *desc = gst_encoding_profile_get_description (profile);
GstCaps *format = gst_encoding_profile_get_format (profile);
gchar *capsdesc;
if (gst_caps_is_fixed (format))
capsdesc = gst_pb_utils_get_codec_description (format);
else
capsdesc = gst_caps_to_string (format);
g_print ("%s%s: %s%s%s%s%s%s\n", prefix, get_profile_type (profile),
name ? name : capsdesc, desc ? ": " : "", desc ? desc : "",
name ? " (" : "", name ? capsdesc : "", name ? ")" : "");
g_free (capsdesc);
}
void
describe_encoding_profile (GstEncodingProfile * profile)
{
g_return_if_fail (GST_IS_ENCODING_PROFILE (profile));
print_profile (profile, " ");
if (GST_IS_ENCODING_CONTAINER_PROFILE (profile)) {
const GList *tmp;
for (tmp =
gst_encoding_container_profile_get_profiles
(GST_ENCODING_CONTAINER_PROFILE (profile)); tmp; tmp = tmp->next)
print_profile (tmp->data, " - ");
}
}