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