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mpegts: Add constructor for dvb service descriptor

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=724981
This commit is contained in:
Jesper Larsen 2014-02-22 16:46:31 +01:00 committed by Edward Hervey
parent 911e95d6c7
commit a9b1fdd948
2 changed files with 74 additions and 0 deletions
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70
gst-libs/gst/mpegts/gst-dvb-descriptor.c
View file

@ -285,6 +285,76 @@ gst_mpegts_descriptor_parse_dvb_service (const GstMpegTsDescriptor *
return TRUE;
}
/**
* gst_mpegts_descriptor_from_dvb_service:
* @service_type: Service type defined as a #GstMpegTsDVBServiceType
* @service_name: (allow-none): Name of the service
* @service_provider: (allow-none): Name of the service provider
*
* Fills a #GstMpegTsDescriptor to be a %GST_MTS_DESC_DVB_SERVICE.
* The data field of the #GstMpegTsDescriptor will be allocated,
* and transferred to the caller.
*
* Returns: (transfer full): the #GstMpgTsDescriptor or %NULL on fail
*/
GstMpegTsDescriptor *
gst_mpegts_descriptor_from_dvb_service (GstMpegTsDVBServiceType service_type,
const gchar * service_name, const gchar * service_provider)
{
GstMpegTsDescriptor *descriptor;
guint8 *conv_provider_name = NULL, *conv_service_name = NULL;
gsize provider_size = 0, service_size = 0;
guint8 *data;
if (service_provider) {
conv_provider_name = dvb_text_from_utf8 (service_provider, &provider_size);
if (!conv_provider_name) {
GST_WARNING ("Could not find proper encoding for string `%s`",
service_provider);
return NULL;
}
}
if (provider_size >= 256) {
g_free (conv_provider_name);
g_return_val_if_reached (NULL);
}
if (service_name) {
conv_service_name = dvb_text_from_utf8 (service_name, &service_size);
if (!conv_service_name) {
GST_WARNING ("Could not find proper encoding for string `%s`",
service_name);
return NULL;
}
}
if (service_size >= 256) {
g_free (conv_provider_name);
g_free (conv_service_name);
g_return_val_if_reached (NULL);
}
descriptor =
_new_descriptor (GST_MTS_DESC_DVB_SERVICE,
3 + provider_size + service_size);
data = descriptor->data + 2;
*data++ = service_type;
*data++ = provider_size;
memcpy (data, conv_provider_name, provider_size);
data += provider_size;
*data++ = service_size;
memcpy (data, conv_service_name, service_size);
g_free (conv_provider_name);
g_free (conv_service_name);
return descriptor;
}
/* GST_MTS_DESC_DVB_SHORT_EVENT (0x4D) */
/**
* gst_mpegts_descriptor_parse_dvb_short_event:

4
gst-libs/gst/mpegts/gst-dvb-descriptor.h
View file

@ -290,6 +290,10 @@ gboolean gst_mpegts_descriptor_parse_dvb_service (const GstMpegTsDescriptor *des
gchar **service_name,
gchar **provider_name);
GstMpegTsDescriptor *gst_mpegts_descriptor_from_dvb_service (GstMpegTsDVBServiceType service_type,
const gchar * service_name,
const gchar * service_provider);
/* GST_MTS_DESC_DVB_SHORT_EVENT (0x4D) */
gboolean gst_mpegts_descriptor_parse_dvb_short_event (const GstMpegTsDescriptor *descriptor,
gchar **language_code,