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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __GST_VC1_PARSE_H__
#define __GST_VC1_PARSE_H__
#include <gst/gst.h>
#include <gst/base/gstbaseparse.h>
#include <gst/codecparsers/gstvc1parser.h>
G_BEGIN_DECLS
#define GST_TYPE_VC1_PARSE \
(gst_vc1_parse_get_type())
#define GST_VC1_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VC1_PARSE,GstVC1Parse))
#define GST_VC1_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VC1_PARSE,GstVC1ParseClass))
#define GST_IS_VC1_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VC1_PARSE))
#define GST_IS_VC1_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VC1_PARSE))
typedef enum {
VC1_HEADER_FORMAT_NONE = 0,
VC1_HEADER_FORMAT_ASF,
VC1_HEADER_FORMAT_SEQUENCE_LAYER
} VC1HeaderFormat;
typedef enum {
VC1_STREAM_FORMAT_BDU = 0,
VC1_STREAM_FORMAT_BDU_FRAME,
VC1_STREAM_FORMAT_SEQUENCE_LAYER_BDU,
VC1_STREAM_FORMAT_SEQUENCE_LAYER_BDU_FRAME,
VC1_STREAM_FORMAT_SEQUENCE_LAYER_RAW_FRAME,
VC1_STREAM_FORMAT_SEQUENCE_LAYER_FRAME_LAYER,
VC1_STREAM_FORMAT_ASF,
VC1_STREAM_FORMAT_FRAME_LAYER
} VC1StreamFormat;
typedef enum {
GST_VC1_PARSE_FORMAT_WMV3 = 0,
GST_VC1_PARSE_FORMAT_WVC1
} GstVC1ParseFormat;
/* FIXME move into baseparse, or anything equivalent;
* see https://bugzilla.gnome.org/show_bug.cgi?id=650093
* #define GST_BASE_PARSE_FRAME_FLAG_PARSING 0x100000 */
typedef struct _GstVC1Parse GstVC1Parse;
typedef struct _GstVC1ParseClass GstVC1ParseClass;
struct _GstVC1Parse
{
GstBaseParse baseparse;
/* Caps */
GstVC1Profile profile;
GstVC1Level level;
GstVC1ParseFormat format;
gint width, height;
gint fps_n, fps_d;
gboolean fps_from_caps;
GstClockTime frame_duration;
gint par_n, par_d;
gboolean par_from_caps;
/* TRUE if we should negotiate with downstream */
gboolean renegotiate;
/* TRUE if the srcpads should be updated */
gboolean update_caps;
gboolean sent_codec_tag;
VC1HeaderFormat input_header_format;
VC1HeaderFormat output_header_format;
VC1StreamFormat input_stream_format;
VC1StreamFormat output_stream_format;
gboolean detecting_stream_format;
GstVC1SeqHdr seq_hdr;
GstBuffer *seq_hdr_buffer;
GstBuffer *entrypoint_buffer;
GstVC1SeqLayer seq_layer;
GstBuffer *seq_layer_buffer;
/* Metadata about the currently parsed frame, only
* valid if the GstBaseParseFrame has the
* GST_BASE_PARSE_FRAME_FLAG_PARSING flag */
GstVC1StartCode startcode;
/* TRUE if we have already sent the sequence-layer,
* use for stream-format conversion */
gboolean seq_layer_sent;
/* TRUE if we have already sent the frame-layer first frame,
* use for stream-format conversion */
gboolean frame_layer_first_frame_sent;
};
struct _GstVC1ParseClass
{
GstBaseParseClass parent_class;
};
G_END_DECLS
GType gst_vc1_parse_get_type (void);
#endif /* __GST_VC1_PARSE_H__ */
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