author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 22:03:18 +0300 | |
branch | RCL_3 |
changeset 6 | 9b2c3c7a1a9c |
parent 0 | 0e761a78d257 |
permissions | -rw-r--r-- |
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/* OGG muxer plugin for GStreamer |
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* Copyright (C) 2004 Wim Taymans <wim@fluendo.com> |
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* Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifndef __GST_OGG_MUX_H__ |
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#define __GST_OGGEMUX_H__ |
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#include <ogg/ogg.h> |
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#include <gst/gst.h> |
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G_BEGIN_DECLS |
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#define GST_TYPE_OGG_MUX (gst_ogg_mux_get_type()) |
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#define GST_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OGG_MUX, GstOggMux)) |
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#define GST_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OGG_MUX, GstOggMux)) |
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#define GST_IS_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OGG_MUX)) |
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#define GST_IS_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OGG_MUX)) |
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typedef struct _GstOggMux GstOggMux; |
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typedef struct _GstOggMuxClass GstOggMuxClass; |
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typedef enum |
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{ |
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GST_OGG_PAD_STATE_CONTROL = 0, |
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GST_OGG_PAD_STATE_DATA = 1 |
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} |
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GstOggPadState; |
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/* all information needed for one ogg stream */ |
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typedef struct |
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{ |
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GstCollectData collect; /* we extend the CollectData */ |
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/* These two buffers make a very simple queue - they enter as 'next_buffer' |
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* and (usually) leave as 'buffer', except at EOS, when buffer will be NULL */ |
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GstBuffer *buffer; /* the first waiting buffer for the pad */ |
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GstBuffer *next_buffer; /* the second waiting buffer for the pad */ |
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gint serial; |
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ogg_stream_state stream; |
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gint64 packetno; /* number of next packet */ |
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gint64 pageno; /* number of next page */ |
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guint64 duration; /* duration of current page */ |
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gboolean eos; |
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gint64 offset; |
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GstClockTime timestamp; /* timestamp of the first packet on the next |
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* page to be dequeued */ |
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GstClockTime timestamp_end; /* end timestamp of last complete packet on |
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the next page to be dequeued */ |
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GstClockTime gp_time; /* time corresponding to the gp value of the |
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last complete packet on the next page to be |
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dequeued */ |
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GstOggPadState state; /* state of the pad */ |
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GList *headers; |
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GQueue *pagebuffers; /* List of pages in buffers ready for pushing */ |
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gboolean new_page; /* starting a new page */ |
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gboolean first_delta; /* was the first packet in the page a delta */ |
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gboolean prev_delta; /* was the previous buffer a delta frame */ |
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} |
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GstOggPad; |
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struct _GstOggMux |
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{ |
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GstElement element; |
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/* source pad */ |
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GstPad *srcpad; |
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/* sinkpads */ |
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GstCollectPads *collect; |
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/* number of pads which have not received EOS */ |
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gint active_pads; |
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/* the pad we are currently using to fill a page */ |
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GstOggPad *pulling; |
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/* next timestamp for the page */ |
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GstClockTime next_ts; |
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/* Last timestamp actually output on src pad */ |
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GstClockTime last_ts; |
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/* offset in stream */ |
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guint64 offset; |
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/* need_headers */ |
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gboolean need_headers; |
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guint64 max_delay; |
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guint64 max_page_delay; |
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GstOggPad *delta_pad; /* when a delta frame is detected on a stream, we mark |
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pages as delta frames up to the page that has the |
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keyframe */ |
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}; |
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struct _GstOggMuxClass |
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{ |
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GstElementClass parent_class; |
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}; |
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GType gst_ogg_mux_get_type (void); |
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G_END_DECLS |
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#endif /* __GST_OGG_MUX_H__ */ |