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<h1>/home/v/Kate/WORK_TREES/kate-sorceress-backup/v/src/kate/src/kate_decode_state.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (C) 2008, 2009 Vincent Penquerc'h.</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of the Kate codec library.</span>
<a name="l00003"></a>00003 <span class="comment"> Written by Vincent Penquerc'h.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Use, distribution and reproduction of this library is governed</span>
<a name="l00006"></a>00006 <span class="comment"> by a BSD style source license included with this source in the</span>
<a name="l00007"></a>00007 <span class="comment"> file 'COPYING'. Please read these terms before distributing. */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#define KATE_INTERNAL</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include "kate_internal.h"</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#ifdef HAVE_STDLIB_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#include <stdlib.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#endif</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#include "kate/kate.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "kate_decode_state.h"</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 kate_decode_state *kate_decode_state_create()
<a name="l00020"></a>00020 {
<a name="l00021"></a>00021 kate_decode_state *kds;
<a name="l00022"></a>00022
<a name="l00023"></a>00023 kds=(kate_decode_state*)kate_malloc(<span class="keyword">sizeof</span>(kate_decode_state));
<a name="l00024"></a>00024 <span class="keywordflow">if</span> (!kds) <span class="keywordflow">return</span> NULL;
<a name="l00025"></a>00025 kds->ki=NULL;
<a name="l00026"></a>00026 kds->kc=NULL;
<a name="l00027"></a>00027 kds->event=NULL;
<a name="l00028"></a>00028 kds->n_active_events=0;
<a name="l00029"></a>00029 kds->active_events=NULL;
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keywordflow">return</span> kds;
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keywordtype">int</span> kate_decode_state_clear(kate_decode_state *kds,<span class="keyword">const</span> kate_info *ki,<span class="keywordtype">int</span> <span class="keyword">new</span>)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="keywordflow">if</span> (!kds || !ki) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keywordflow">if</span> (kds->event) {
<a name="l00039"></a>00039 kate_event_release(kds->event);
<a name="l00040"></a>00040 kds->event=NULL;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keywordflow">if</span> (<span class="keyword">new</span>) {
<a name="l00044"></a>00044 kds->event=kate_event_create(ki);
<a name="l00045"></a>00045 <span class="keywordflow">if</span> (!kds->event) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00046"></a>00046 kate_event_track(kds->event);
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordflow">return</span> 0;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordtype">int</span> kate_decode_state_flush_events(kate_decode_state *kds,kate_int64_t granule)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keywordtype">size_t</span> n;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (!kds) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">/* -1 will flush everything */</span>
<a name="l00059"></a>00059 <span class="keywordflow">for</span> (n=0;n<kds->n_active_events;++n) {
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (granule<kds->active_events[n].start || granule>kds->active_events[n].end) {
<a name="l00061"></a>00061 kds->active_events[n--]=kds->active_events[--kds->n_active_events];
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordflow">return</span> 0;
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">int</span> kate_decode_state_find_event(kate_decode_state *kds,kate_int32_t <span class="keywordtype">id</span>)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordtype">size_t</span> n;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (!kds) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00073"></a>00073 <span class="keywordflow">if</span> (<span class="keywordtype">id</span><0) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordflow">for</span> (n=0;n<kds->n_active_events;++n) {
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (kds->active_events[n].id==<span class="keywordtype">id</span>) <span class="keywordflow">return</span> 0;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">return</span> KATE_E_NOT_FOUND;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">int</span> kate_decode_state_add_event(kate_decode_state *kds,<span class="keyword">const</span> kate_event *ev)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keywordtype">size_t</span> n;
<a name="l00085"></a>00085 kate_active_event *events;
<a name="l00086"></a>00086 <span class="keywordtype">int</span> ret;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (!kds) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00089"></a>00089 <span class="keywordflow">if</span> (!ev) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 ret=kate_check_add_overflow(kds->n_active_events,1,NULL);
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (ret<0) <span class="keywordflow">return</span> ret;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">/* check if it is there already */</span>
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (n=0;n<kds->n_active_events;++n) {
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (kds->active_events[n].id==ev->id) {
<a name="l00097"></a>00097 <span class="keywordflow">return</span> 1;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">/* if it is not there, add it */</span>
<a name="l00102"></a>00102 events=(kate_active_event*)kate_checked_realloc(kds->active_events,(kds->n_active_events+1),<span class="keyword">sizeof</span>(kate_active_event));
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (!events) <span class="keywordflow">return</span> KATE_E_OUT_OF_MEMORY;
<a name="l00104"></a>00104
<a name="l00105"></a>00105 kds->active_events=events;
<a name="l00106"></a>00106 kds->active_events[kds->n_active_events].id=ev->id;
<a name="l00107"></a>00107 kds->active_events[kds->n_active_events].start=ev->start;
<a name="l00108"></a>00108 kds->active_events[kds->n_active_events].end=ev->start+ev->duration-1;
<a name="l00109"></a>00109 ++kds->n_active_events;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">return</span> 0;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordtype">int</span> kate_decode_state_destroy(kate_decode_state *kds)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (!kds) <span class="keywordflow">return</span> KATE_E_INVALID_PARAMETER;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 kate_event_release(kds->event);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (kds->ki) kate_info_clear(kds->ki);
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (kds->kc) kate_comment_clear(kds->kc);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 kate_free(kds->active_events);
<a name="l00124"></a>00124
<a name="l00125"></a>00125 kate_free(kds);
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordflow">return</span> 0;
<a name="l00128"></a>00128 }
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