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62 lines
3 KiB
C
62 lines
3 KiB
C
/* GStreamer
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* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __MXF_ESSENCE_H__
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#define __MXF_ESSENCE_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "mxftypes.h"
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#include "mxfmetadata.h"
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typedef enum {
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MXF_ESSENCE_WRAPPING_FRAME_WRAPPING,
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MXF_ESSENCE_WRAPPING_CLIP_WRAPPING,
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MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING,
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MXF_ESSENCE_WRAPPING_UNKNOWN_WRAPPING
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} MXFEssenceWrapping;
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typedef GstFlowReturn (*MXFEssenceElementHandleFunc) (const MXFUL *key, GstBuffer *buffer, GstCaps *caps, MXFMetadataTimelineTrack *track, gpointer mapping_data, GstBuffer **outbuf);
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typedef struct {
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gboolean (*handles_track) (const MXFMetadataTimelineTrack *track);
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MXFEssenceWrapping (*get_track_wrapping) (const MXFMetadataTimelineTrack *track);
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GstCaps * (*create_caps) (MXFMetadataTimelineTrack *track, GstTagList **tags, gboolean * intra_only, MXFEssenceElementHandleFunc *handler, gpointer *mapping_data);
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} MXFEssenceElementHandler;
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typedef GstFlowReturn (*MXFEssenceElementWriteFunc) (GstBuffer *buffer, gpointer mapping_data, GstAdapter *adapter, GstBuffer **outbuf, gboolean flush);
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typedef struct {
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MXFMetadataFileDescriptor * (*get_descriptor) (GstPadTemplate *tmpl, GstCaps *caps, MXFEssenceElementWriteFunc *handler, gpointer *mapping_data);
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void (*update_descriptor) (MXFMetadataFileDescriptor *d, GstCaps *caps, gpointer mapping_data, GstBuffer *buf);
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void (*get_edit_rate) (MXFMetadataFileDescriptor *a, GstCaps *caps, gpointer mapping_data, GstBuffer *buf, MXFMetadataSourcePackage *package, MXFMetadataTimelineTrack *track, MXFFraction *edit_rate);
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guint32 (*get_track_number_template) (MXFMetadataFileDescriptor *a, GstCaps *caps, gpointer mapping_data);
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const GstPadTemplate *pad_template;
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MXFUL data_definition;
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} MXFEssenceElementWriter;
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void mxf_essence_element_handler_register (const MXFEssenceElementHandler *handler);
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const MXFEssenceElementHandler * mxf_essence_element_handler_find (const MXFMetadataTimelineTrack *track);
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void mxf_essence_element_writer_register (const MXFEssenceElementWriter *writer);
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const GstPadTemplate ** mxf_essence_element_writer_get_pad_templates (void);
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const MXFEssenceElementWriter *mxf_essence_element_writer_find (const GstPadTemplate *templ);
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#endif /* __MXF_ESSENCE_H__ */
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