gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/mpegts/gst-mpegtspesmetadatameta.c

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/* Gstreamer
* Copyright 2021 Brad Hards <bradh@frogmouth.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gst-mpegtspesmetadatameta.h"
#define GST_CAT_DEFAULT mpegts_debug
static gboolean
gst_mpegts_pes_metadata_meta_init (GstMpegtsPESMetadataMeta * meta,
gpointer params, GstBuffer * buffer)
{
return TRUE;
}
static void
gst_mpegts_pes_metadata_meta_free (GstMpegtsPESMetadataMeta * meta,
GstBuffer * buffer)
{
}
static gboolean
gst_mpegts_pes_metadata_meta_transform (GstBuffer * dest, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
{
GstMpegtsPESMetadataMeta *source_meta, *dest_meta;
source_meta = (GstMpegtsPESMetadataMeta *) meta;
if (GST_META_TRANSFORM_IS_COPY (type)) {
GstMetaTransformCopy *copy = data;
if (!copy->region) {
dest_meta = gst_buffer_add_mpegts_pes_metadata_meta (dest);
if (!dest_meta)
return FALSE;
dest_meta->metadata_service_id = source_meta->metadata_service_id;
dest_meta->flags = source_meta->flags;
}
} else {
/* return FALSE, if transform type is not supported */
return FALSE;
}
return TRUE;
}
GType
gst_mpegts_pes_metadata_meta_api_get_type (void)
{
static GType type;
static const gchar *tags[] = { NULL };
if (g_once_init_enter (&type)) {
GType _type =
gst_meta_api_type_register ("GstMpegtsPESMetadataMetaAPI", tags);
g_once_init_leave (&type, _type);
}
return type;
}
const GstMetaInfo *
gst_mpegts_pes_metadata_meta_get_info (void)
{
static const GstMetaInfo *mpegts_pes_metadata_meta_info = NULL;
if (g_once_init_enter ((GstMetaInfo **) & mpegts_pes_metadata_meta_info)) {
const GstMetaInfo *meta =
gst_meta_register (GST_MPEGTS_PES_METADATA_META_API_TYPE,
"GstMpegtsPESMetadataMeta", sizeof (GstMpegtsPESMetadataMeta),
(GstMetaInitFunction) gst_mpegts_pes_metadata_meta_init,
(GstMetaFreeFunction) gst_mpegts_pes_metadata_meta_free,
(GstMetaTransformFunction) gst_mpegts_pes_metadata_meta_transform);
g_once_init_leave ((GstMetaInfo **) & mpegts_pes_metadata_meta_info,
(GstMetaInfo *) meta);
}
return mpegts_pes_metadata_meta_info;
}
GstMpegtsPESMetadataMeta *
gst_buffer_add_mpegts_pes_metadata_meta (GstBuffer * buffer)
{
GstMpegtsPESMetadataMeta *meta;
meta =
(GstMpegtsPESMetadataMeta *) gst_buffer_add_meta (buffer,
GST_MPEGTS_PES_METADATA_META_INFO, NULL);
return meta;
}