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89455b7106
Some VC1 decoder can have different caps according to wmv format, ie WMV3 or WVC1. So instead of keeping the first available caps, we interserct with current WMV format. https://bugzilla.gnome.org/show_bug.cgi?id=738532
121 lines
3.3 KiB
C
121 lines
3.3 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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#ifndef __GST_VC1_PARSE_H__
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#define __GST_VC1_PARSE_H__
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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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G_BEGIN_DECLS
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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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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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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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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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/* 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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typedef struct _GstVC1Parse GstVC1Parse;
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typedef struct _GstVC1ParseClass GstVC1ParseClass;
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struct _GstVC1Parse
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{
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GstBaseParse baseparse;
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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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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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/* 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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gboolean sent_codec_tag;
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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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GstVC1SeqHdr seq_hdr;
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GstBuffer *seq_hdr_buffer;
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GstBuffer *entrypoint_buffer;
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GstVC1SeqLayer seq_layer;
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GstBuffer *seq_layer_buffer;
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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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struct _GstVC1ParseClass
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{
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GstBaseParseClass parent_class;
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};
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G_END_DECLS
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GType gst_vc1_parse_get_type (void);
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#endif /* __GST_VC1_PARSE_H__ */
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