| /* OGG muxer plugin for GStreamer |
| * Copyright (C) 2004 Wim Taymans <wim@fluendo.com> |
| * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org> |
| * |
| * 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_OGG_MUX_H__ |
| #define __GST_OGG_MUX_H__ |
| |
| #include <ogg/ogg.h> |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstcollectpads.h> |
| #include "gstoggstream.h" |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_OGG_MUX (gst_ogg_mux_get_type()) |
| #define GST_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OGG_MUX, GstOggMux)) |
| #define GST_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OGG_MUX, GstOggMux)) |
| #define GST_IS_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OGG_MUX)) |
| #define GST_IS_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OGG_MUX)) |
| |
| typedef struct _GstOggMux GstOggMux; |
| typedef struct _GstOggMuxClass GstOggMuxClass; |
| |
| typedef enum |
| { |
| GST_OGG_PAD_STATE_CONTROL = 0, |
| GST_OGG_PAD_STATE_DATA = 1 |
| } |
| GstOggPadState; |
| |
| /* all information needed for one ogg stream */ |
| typedef struct |
| { |
| GstCollectData collect; /* we extend the CollectData */ |
| |
| GstOggStream map; |
| gboolean have_type; |
| |
| GstSegment segment; |
| |
| GstBuffer *buffer; /* the first waiting buffer for the pad */ |
| |
| gint64 packetno; /* number of next packet */ |
| gint64 pageno; /* number of next page */ |
| guint64 duration; /* duration of current page */ |
| gboolean eos; |
| gint64 offset; |
| GstClockTime timestamp; /* timestamp of the first packet on the next |
| * page to be dequeued */ |
| GstClockTime timestamp_end; /* end timestamp of last complete packet on |
| the next page to be dequeued */ |
| GstClockTime gp_time; /* time corresponding to the gp value of the |
| last complete packet on the next page to be |
| dequeued */ |
| |
| GstOggPadState state; /* state of the pad */ |
| |
| GQueue *pagebuffers; /* List of pages in buffers ready for pushing */ |
| |
| gboolean new_page; /* starting a new page */ |
| gboolean first_delta; /* was the first packet in the page a delta */ |
| gboolean prev_delta; /* was the previous buffer a delta frame */ |
| gboolean data_pushed; /* whether we pushed data already */ |
| |
| gint64 next_granule; /* expected granule of next buffer ts */ |
| gint64 keyframe_granule; /* granule of last preceding keyframe */ |
| |
| GstTagList *tags; |
| } |
| GstOggPadData; |
| |
| /** |
| * GstOggMux: |
| * |
| * The ogg muxer object structure. |
| */ |
| struct _GstOggMux |
| { |
| GstElement element; |
| |
| /* source pad */ |
| GstPad *srcpad; |
| |
| /* sinkpads */ |
| GstCollectPads *collect; |
| |
| /* number of pads which have not received EOS */ |
| gint active_pads; |
| |
| /* the pad we are currently using to fill a page */ |
| GstOggPadData *pulling; |
| |
| /* next timestamp for the page */ |
| GstClockTime next_ts; |
| |
| /* Last timestamp actually output on src pad */ |
| GstClockTime last_ts; |
| |
| /* offset in stream */ |
| guint64 offset; |
| |
| /* need_headers */ |
| gboolean need_headers; |
| gboolean need_start_events; |
| |
| guint64 max_delay; |
| guint64 max_page_delay; |
| guint64 max_tolerance; |
| |
| GstOggPadData *delta_pad; /* when a delta frame is detected on a stream, we mark |
| pages as delta frames up to the page that has the |
| keyframe */ |
| |
| |
| /* whether to create a skeleton track */ |
| gboolean use_skeleton; |
| }; |
| |
| struct _GstOggMuxClass |
| { |
| GstElementClass parent_class; |
| }; |
| |
| GType gst_ogg_mux_get_type (void); |
| |
| gboolean gst_ogg_mux_plugin_init (GstPlugin * plugin); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_OGG_MUX_H__ */ |