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#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_listBase.h"
#include "DNA_sequence_types.h"
#include "BLI_blenlib.h"
#include "IMB_imbuf.h"
#include "BKE_sequence.h"
/* strip data */
static void free_tstripdata(int len, TStripElem *se)
{
TStripElem *seo;
int a;
seo= se;
if (!se)
return;
for(a=0; a<len; a++, se++) {
if(se->ibuf) {
IMB_freeImBuf(se->ibuf);
se->ibuf = 0;
}
if(se->ibuf_comp) {
IMB_freeImBuf(se->ibuf_comp);
se->ibuf_comp = 0;
}
}
MEM_freeN(seo);
}
/*
static void new_tstripdata(Sequence *seq)
{
if(seq->strip) {
free_tstripdata(seq->strip->len, seq->strip->tstripdata);
free_tstripdata(seq->strip->endstill,
seq->strip->tstripdata_endstill);
free_tstripdata(seq->strip->startstill,
seq->strip->tstripdata_startstill);
seq->strip->tstripdata= 0;
seq->strip->tstripdata_endstill= 0;
seq->strip->tstripdata_startstill= 0;
if(seq->strip->ibuf_startstill) {
IMB_freeImBuf(seq->strip->ibuf_startstill);
seq->strip->ibuf_startstill = 0;
}
if(seq->strip->ibuf_endstill) {
IMB_freeImBuf(seq->strip->ibuf_endstill);
seq->strip->ibuf_endstill = 0;
}
seq->strip->len= seq->len;
}
}
*/
/* free */
static void seq_free_strip(Strip *strip)
{
strip->us--;
if(strip->us>0) return;
if(strip->us<0) {
printf("error: negative users in strip\n");
return;
}
if (strip->stripdata) {
MEM_freeN(strip->stripdata);
}
if (strip->proxy) {
MEM_freeN(strip->proxy);
}
if (strip->crop) {
MEM_freeN(strip->crop);
}
if (strip->transform) {
MEM_freeN(strip->transform);
}
if (strip->color_balance) {
MEM_freeN(strip->color_balance);
}
free_tstripdata(strip->len, strip->tstripdata);
free_tstripdata(strip->endstill, strip->tstripdata_endstill);
free_tstripdata(strip->startstill, strip->tstripdata_startstill);
if(strip->ibuf_startstill) {
IMB_freeImBuf(strip->ibuf_startstill);
strip->ibuf_startstill = 0;
}
if(strip->ibuf_endstill) {
IMB_freeImBuf(strip->ibuf_endstill);
strip->ibuf_endstill = 0;
}
MEM_freeN(strip);
}
void seq_free_sequence(Sequence *seq)
{
//XXX Sequence *last_seq = get_last_seq();
if(seq->strip) seq_free_strip(seq->strip);
if(seq->anim) IMB_free_anim(seq->anim);
//XXX if(seq->hdaudio) sound_close_hdaudio(seq->hdaudio);
/* XXX if (seq->type & SEQ_EFFECT) {
struct SeqEffectHandle sh = get_sequence_effect(seq);
sh.free(seq);
}*/
//XXX if(seq==last_seq) set_last_seq(NULL);
MEM_freeN(seq);
}
void seq_free_editing(Editing *ed)
{
MetaStack *ms;
Sequence *seq;
if(ed==NULL)
return;
//XXX set_last_seq(NULL); /* clear_last_seq doesnt work, it screws up free_sequence */
SEQ_BEGIN(ed, seq) {
seq_free_sequence(seq);
}
SEQ_END
while((ms= ed->metastack.first)) {
BLI_remlink(&ed->metastack, ms);
MEM_freeN(ms);
}
MEM_freeN(ed);
}
/* sequence strip iterator:
* - builds a full array, recursively into meta strips */
static void seq_count(ListBase *seqbase, int *tot)
{
Sequence *seq;
for(seq=seqbase->first; seq; seq=seq->next) {
(*tot)++;
if(seq->seqbase.first)
seq_count(&seq->seqbase, tot);
}
}
static void seq_build_array(ListBase *seqbase, Sequence ***array, int depth)
{
Sequence *seq;
for(seq=seqbase->first; seq; seq=seq->next) {
seq->depth= depth;
if(seq->seqbase.first)
seq_build_array(&seq->seqbase, array, depth+1);
**array= seq;
(*array)++;
}
}
void seq_array(Editing *ed, Sequence ***seqarray, int *tot)
{
Sequence **array;
*seqarray= NULL;
*tot= 0;
if(ed == NULL)
return;
seq_count(&ed->seqbase, tot);
if(*tot == 0)
return;
*seqarray= array= MEM_mallocN(sizeof(Sequence *)*(*tot), "SeqArray");
seq_build_array(&ed->seqbase, &array, 0);
}
void seq_begin(Editing *ed, SeqIterator *iter)
{
memset(iter, 0, sizeof(*iter));
seq_array(ed, &iter->array, &iter->tot);
if(iter->tot) {
iter->cur= 0;
iter->seq= iter->array[iter->cur];
iter->valid= 1;
}
}
void seq_next(SeqIterator *iter)
{
if(++iter->cur < iter->tot)
iter->seq= iter->array[iter->cur];
else
iter->valid= 0;
}
void seq_end(SeqIterator *iter)
{
if(iter->array)
MEM_freeN(iter->array);
iter->valid= 0;
}
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