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author | Jesper Larsen <jesper.larsen@ixonos.com> | 2013-11-19 11:30:33 +0100 |
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committer | Jesper Larsen <jesper.larsen@ixonos.com> | 2014-02-06 15:55:46 +0100 |
commit | b7d256b4c292d0a83f8c7eb2a02de9700082700b (patch) | |
tree | 10bb26b95e9b91f456b7bf42b7efdced889e42ea /gst-libs/gst/mpegts/gstmpegtsdescriptor.c | |
parent | 05bf952384b11fe2ab389b161c989522c3517b23 (diff) | |
download | gstreamer-plugins-bad-b7d256b4c292d0a83f8c7eb2a02de9700082700b.tar.gz |
mpegts: Support registration and custom descriptor
Support for registration descriptor (0x05)
Add function to create a descriptor with custom tag and data
Diffstat (limited to 'gst-libs/gst/mpegts/gstmpegtsdescriptor.c')
-rw-r--r-- | gst-libs/gst/mpegts/gstmpegtsdescriptor.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gst-libs/gst/mpegts/gstmpegtsdescriptor.c b/gst-libs/gst/mpegts/gstmpegtsdescriptor.c index 35a8f89fd..be2773548 100644 --- a/gst-libs/gst/mpegts/gstmpegtsdescriptor.c +++ b/gst-libs/gst/mpegts/gstmpegtsdescriptor.c @@ -830,6 +830,34 @@ gst_mpegts_find_descriptor (GPtrArray * descriptors, guint8 tag) return NULL; } +/* GST_MTS_DESC_REGISTRATION (0x05) */ +/** + * gst_mpegts_descriptor_from_registration: + * @format_identifier: (transfer none): a 4 character format identifier string + * @additional_info: (transfer none) (allow-none): pointer to optional additional info + * @additional_info_length: length of the optional @additional_info + * + * Creates a %GST_MTS_DESC_REGISTRATION #GstMpegTsDescriptor + * + * Return: #GstMpegTsDescriptor, %NULL on failure + */ +GstMpegTsDescriptor * +gst_mpegts_descriptor_from_registration (const gchar * format_identifier, + guint8 * additional_info, gsize additional_info_length) +{ + GstMpegTsDescriptor *descriptor; + + g_return_val_if_fail (format_identifier != NULL, NULL); + + descriptor = _new_descriptor (GST_MTS_DESC_REGISTRATION, + 4 + additional_info_length); + + memcpy (descriptor->data + 2, format_identifier, 4); + if (additional_info && (additional_info_length > 0)) + memcpy (descriptor->data + 6, additional_info, additional_info_length); + + return descriptor; +} /* GST_MTS_DESC_ISO_639_LANGUAGE (0x0A) */ /** @@ -957,3 +985,27 @@ gst_mpegts_descriptor_parse_logical_channel (const GstMpegTsDescriptor * return TRUE; } + +/** + * gst_mpegts_descriptor_from_custom: + * @tag: descriptor tag + * @data: (transfer none): descriptor data (after tag and length field) + * @length: length of @data + * + * Creates a #GstMpegTsDescriptor with custom @tag and @data + * + * Returns: #GstMpegTsDescriptor + */ +GstMpegTsDescriptor * +gst_mpegts_descriptor_from_custom (guint8 tag, const guint8 * data, + gsize length) +{ + GstMpegTsDescriptor *descriptor; + + descriptor = _new_descriptor (tag, length); + + if (data && (length > 0)) + memcpy (descriptor->data + 2, data, length); + + return descriptor; +} |