X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fext%2Fogg%2Fgstoggmux.h;fp=gst-plugins-base-subtitles0.10%2Fext%2Fogg%2Fgstoggmux.h;h=933226d07a4fdc69f56397690d76019a2046ed43;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hp=0000000000000000000000000000000000000000;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49;p=mafwsubrenderer diff --git a/gst-plugins-base-subtitles0.10/ext/ogg/gstoggmux.h b/gst-plugins-base-subtitles0.10/ext/ogg/gstoggmux.h new file mode 100644 index 0000000..933226d --- /dev/null +++ b/gst-plugins-base-subtitles0.10/ext/ogg/gstoggmux.h @@ -0,0 +1,144 @@ +/* OGG muxer plugin for GStreamer + * Copyright (C) 2004 Wim Taymans + * Copyright (C) 2006 Thomas Vander Stichele + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_OGG_MUX_H__ +#define __GST_OGGEMUX_H__ + +#include + +#include +#include +#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; + + /* These two buffers make a very simple queue - they enter as 'next_buffer' + * and (usually) leave as 'buffer', except at EOS, when buffer will be NULL */ + GstBuffer *buffer; /* the first waiting buffer for the pad */ + GstBuffer *next_buffer; /* the second 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 */ + + GstPadEventFunction collect_event; + + gboolean always_flush_page; +} +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; + + guint64 max_delay; + guint64 max_page_delay; + + 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 */ + +}; + +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__ */