/* * 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__ */