| /* GStreamer Matroska muxer/demuxer |
| * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
| * (c) 2005 Michal Benes <michal.benes@xeris.cz> |
| * |
| * matroska-mux.h: matroska file/stream muxer object types |
| * |
| * 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 |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * 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_MATROSKA_MUX_H__ |
| #define __GST_MATROSKA_MUX_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstcollectpads.h> |
| |
| #include "ebml-write.h" |
| #include "matroska-ids.h" |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_MATROSKA_MUX \ |
| (gst_matroska_mux_get_type ()) |
| #define GST_MATROSKA_MUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MATROSKA_MUX, GstMatroskaMux)) |
| #define GST_MATROSKA_MUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MATROSKA_MUX, GstMatroskaMuxClass)) |
| #define GST_IS_MATROSKA_MUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MATROSKA_MUX)) |
| #define GST_IS_MATROSKA_MUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MATROSKA_MUX)) |
| |
| typedef enum { |
| GST_MATROSKA_MUX_STATE_START, |
| GST_MATROSKA_MUX_STATE_HEADER, |
| GST_MATROSKA_MUX_STATE_DATA, |
| } GstMatroskaMuxState; |
| |
| typedef struct _GstMatroskaMetaSeekIndex { |
| guint32 id; |
| guint64 pos; |
| } GstMatroskaMetaSeekIndex; |
| |
| typedef gboolean (*GstMatroskaCapsFunc) (GstPad *pad, GstCaps *caps); |
| |
| typedef struct _GstMatroskaMux GstMatroskaMux; |
| |
| /* all information needed for one matroska stream */ |
| typedef struct |
| { |
| GstCollectData collect; /* we extend the CollectData */ |
| GstMatroskaCapsFunc capsfunc; |
| GstMatroskaTrackContext *track; |
| |
| GstMatroskaMux *mux; |
| |
| GstTagList *tags; |
| |
| GstClockTime start_ts; |
| GstClockTime end_ts; /* last timestamp + (if available) duration */ |
| guint64 default_duration_scaled; |
| } |
| GstMatroskaPad; |
| |
| |
| struct _GstMatroskaMux { |
| GstElement element; |
| |
| /* < private > */ |
| |
| /* pads */ |
| GstPad *srcpad; |
| GstCollectPads *collect; |
| GstEbmlWrite *ebml_write; |
| |
| guint num_streams, |
| num_v_streams, num_a_streams, num_t_streams; |
| |
| /* Application name (for the writing application header element) */ |
| gchar *writing_app; |
| |
| /* EBML DocType. */ |
| const gchar *doctype; |
| |
| /* DocType version. */ |
| guint doctype_version; |
| |
| /* state */ |
| GstMatroskaMuxState state; |
| |
| /* a cue (index) table */ |
| GstMatroskaIndex *index; |
| guint num_indexes; |
| GstClockTimeDiff min_index_interval; |
| |
| /* timescale in the file */ |
| guint64 time_scale; |
| /* minimum and maximum limit of nanoseconds you can have in a cluster */ |
| guint64 max_cluster_duration; |
| guint64 min_cluster_duration; |
| |
| /* length, position (time, ns) */ |
| guint64 duration; |
| |
| /* byte-positions of master-elements (for replacing contents) */ |
| guint64 segment_pos, |
| seekhead_pos, |
| cues_pos, |
| chapters_pos, |
| tags_pos, |
| info_pos, |
| tracks_pos, |
| duration_pos, |
| meta_pos; |
| guint64 segment_master; |
| |
| /* current cluster */ |
| guint64 cluster, |
| cluster_time, |
| cluster_pos, |
| prev_cluster_size; |
| |
| /* GstForceKeyUnit event */ |
| GstEvent *force_key_unit_event; |
| |
| /* Internal Toc (adjusted UIDs and title tags removed when processed) */ |
| GstToc *internal_toc; |
| |
| /* Flag to ease handling of WebM specifics */ |
| gboolean is_webm; |
| |
| /* used uids */ |
| GArray *used_uids; |
| }; |
| |
| typedef struct _GstMatroskaMuxClass { |
| GstElementClass parent; |
| } GstMatroskaMuxClass; |
| |
| GType gst_matroska_mux_get_type (void); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_MATROSKA_MUX_H__ */ |