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/* GStreamer
* Copyright (C) 2009 David Schleef <>
* gstoggstream.h: header for GstOggStream
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
#ifndef __GST_OGG_STREAM_H__
#define __GST_OGG_STREAM_H__
#include <ogg/ogg.h>
#include <gst/gst.h>
#include <gst/tag/tag.h>
typedef enum {
} GstOggSkeleton;
typedef struct {
guint64 offset;
guint64 timestamp;
} GstOggIndex;
typedef struct _GstOggStream GstOggStream;
struct _GstOggStream
ogg_stream_state stream;
guint32 serialno;
GList *headers;
gboolean have_headers;
GList *queued;
/* for oggparse */
gboolean in_headers;
GList *unknown_pages;
GList *stored_buffers;
gint map;
gboolean is_skeleton;
gboolean have_fisbone;
gint granulerate_n;
gint granulerate_d;
gint64 granule_offset;
guint32 preroll;
guint granuleshift;
gint n_header_packets;
gint n_header_packets_seen;
gint64 accumulated_granule;
gint frame_size;
gint bitrate;
guint64 total_time;
gboolean is_sparse;
gboolean audio_clipping;
GstCaps *caps;
gboolean is_video;
gboolean always_flush_page;
/* vorbis stuff */
int nln_increments[4];
int nsn_increment;
int short_size;
int long_size;
int vorbis_log2_num_modes;
int vorbis_mode_sizes[256];
int last_size;
int version;
gint bitrate_upper;
gint bitrate_nominal;
gint bitrate_lower;
GstTagList *taglist;
/* theora stuff */
gboolean theora_has_zero_keyoffset;
/* VP8 stuff */
gboolean is_vp8;
gint64 invisible_count;
/* opus stuff */
gint64 first_granpos;
/* OGM stuff */
gboolean is_ogm;
gboolean is_ogm_text;
/* CMML */
gboolean is_cmml;
/* fishead stuff */
guint16 skeleton_major, skeleton_minor;
gint64 prestime;
gint64 basetime;
/* index */
guint n_index;
GstOggIndex *index;
guint64 kp_denom;
guint64 idx_bitrate;
gboolean gst_ogg_stream_setup_map (GstOggStream * pad, ogg_packet *packet);
gboolean gst_ogg_stream_setup_map_from_caps_headers (GstOggStream * pad,
const GstCaps * caps);
gboolean gst_ogg_stream_setup_map_from_caps (GstOggStream * pad,
const GstCaps * caps);
GstClockTime gst_ogg_stream_get_end_time_for_granulepos (GstOggStream *pad,
gint64 granulepos);
GstClockTime gst_ogg_stream_get_start_time_for_granulepos (GstOggStream *pad,
gint64 granulepos);
GstClockTime gst_ogg_stream_granule_to_time (GstOggStream *pad, gint64 granule);
gint64 gst_ogg_stream_granulepos_to_granule (GstOggStream * pad, gint64 granulepos);
gint64 gst_ogg_stream_granulepos_to_key_granule (GstOggStream * pad, gint64 granulepos);
gint64 gst_ogg_stream_granule_to_granulepos (GstOggStream * pad, gint64 granule, gint64 keyframe_granule);
GstClockTime gst_ogg_stream_get_packet_start_time (GstOggStream *pad,
ogg_packet *packet);
gboolean gst_ogg_stream_granulepos_is_key_frame (GstOggStream *pad,
gint64 granulepos);
gboolean gst_ogg_stream_packet_is_header (GstOggStream *pad, ogg_packet *packet);
gboolean gst_ogg_stream_packet_is_key_frame (GstOggStream *pad, ogg_packet *packet);
gint64 gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet *packet);
void gst_ogg_stream_extract_tags (GstOggStream * pad, ogg_packet * packet);
const char *gst_ogg_stream_get_media_type (GstOggStream * pad);
GstBuffer *gst_ogg_stream_get_headers (GstOggStream *pad);
void gst_ogg_stream_update_stats (GstOggStream * pad, ogg_packet * packet);
gboolean gst_ogg_map_parse_fisbone (GstOggStream * pad, const guint8 * data, guint size,
guint32 * serialno, GstOggSkeleton *type);
gboolean gst_ogg_map_add_fisbone (GstOggStream * pad, GstOggStream * skel_pad, const guint8 * data, guint size,
GstClockTime * p_start_time);
gboolean gst_ogg_map_add_index (GstOggStream * pad, GstOggStream * skel_pad, const guint8 * data, guint size);
gboolean gst_ogg_map_search_index (GstOggStream * pad, gboolean before, guint64 *timestamp, guint64 *offset);
#endif /* __GST_OGG_STREAM_H__ */