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/* GStreamer
* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __MXF_ESSENCE_H__
#define __MXF_ESSENCE_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include "mxftypes.h"
#include "mxfmetadata.h"
typedef enum {
MXF_ESSENCE_WRAPPING_FRAME_WRAPPING,
MXF_ESSENCE_WRAPPING_CLIP_WRAPPING,
MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING,
MXF_ESSENCE_WRAPPING_UNKNOWN_WRAPPING
} MXFEssenceWrapping;
typedef GstFlowReturn (*MXFEssenceElementHandleFunc) (const MXFUL *key, GstBuffer *buffer, GstCaps *caps, MXFMetadataTimelineTrack *track, gpointer mapping_data, GstBuffer **outbuf);
typedef struct {
gboolean (*handles_track) (const MXFMetadataTimelineTrack *track);
MXFEssenceWrapping (*get_track_wrapping) (const MXFMetadataTimelineTrack *track);
GstCaps * (*create_caps) (MXFMetadataTimelineTrack *track, GstTagList **tags, gboolean * intra_only, MXFEssenceElementHandleFunc *handler, gpointer *mapping_data);
} MXFEssenceElementHandler;
typedef GstFlowReturn (*MXFEssenceElementWriteFunc) (GstBuffer *buffer, gpointer mapping_data, GstAdapter *adapter, GstBuffer **outbuf, gboolean flush);
typedef struct {
MXFMetadataFileDescriptor * (*get_descriptor) (GstPadTemplate *tmpl, GstCaps *caps, MXFEssenceElementWriteFunc *handler, gpointer *mapping_data);
void (*update_descriptor) (MXFMetadataFileDescriptor *d, GstCaps *caps, gpointer mapping_data, GstBuffer *buf);
void (*get_edit_rate) (MXFMetadataFileDescriptor *a, GstCaps *caps, gpointer mapping_data, GstBuffer *buf, MXFMetadataSourcePackage *package, MXFMetadataTimelineTrack *track, MXFFraction *edit_rate);
guint32 (*get_track_number_template) (MXFMetadataFileDescriptor *a, GstCaps *caps, gpointer mapping_data);
const GstPadTemplate *pad_template;
MXFUL data_definition;
} MXFEssenceElementWriter;
void mxf_essence_element_handler_register (const MXFEssenceElementHandler *handler);
const MXFEssenceElementHandler * mxf_essence_element_handler_find (const MXFMetadataTimelineTrack *track);
void mxf_essence_element_writer_register (const MXFEssenceElementWriter *writer);
const GstPadTemplate ** mxf_essence_element_writer_get_pad_templates (void);
const MXFEssenceElementWriter *mxf_essence_element_writer_find (const GstPadTemplate *templ);
#endif /* __MXF_ESSENCE_H__ */
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