40 lines
1.9 KiB
C
40 lines
1.9 KiB
C
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#include "project_internal.h"
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#include "xtc/xtc_editing.h"
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#include <stdlib.h>
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#include <string.h>
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static xtc_result selection_valid(const xtc_project *p,const uint64_t *ids,size_t count)
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{
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size_t i,j;xtc_clip_info c;
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if(!p || !ids || !count || count>XTC_PROJECT_MAX_CLIPS)return XTC_ERR_INVALID_ARGUMENT;
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for(i=0;i<count;++i) {
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if(xtc_project_find_clip(p,ids[i],&c)!=XTC_OK)return XTC_ERR_NOT_FOUND;
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for(j=0;j<i;++j)if(ids[i]==ids[j])return XTC_ERR_INVALID_ARGUMENT;
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}
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return XTC_OK;
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}
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static void publish(xtc_project *p,xtc_project *copy)
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{
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xtc_graph *old=p->graph;*p=*copy;copy->graph=old;
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}
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xtc_result xtc_project_transform_clips(xtc_project *p,const uint64_t *ids,size_t count,
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xtc_clip_operation operation,int64_t amount,uint64_t *out_ids)
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{
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xtc_project *copy=NULL;size_t i;uint64_t output[XTC_PROJECT_MAX_CLIPS];
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xtc_result r=selection_valid(p,ids,count);
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if(r!=XTC_OK)return r;
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if(operation<XTC_CLIPS_MOVE || operation>XTC_CLIPS_DELETE ||
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amount<-(int64_t)XTC_PROJECT_MAX_TICK || amount>(int64_t)XTC_PROJECT_MAX_TICK)return XTC_ERR_INVALID_ARGUMENT;
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r=xtc_project_clone(p,©);
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for(i=0;r==XTC_OK && i<count;++i) {
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xtc_clip_info c;int64_t start;
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r=xtc_project_find_clip(copy,ids[i],&c);if(r!=XTC_OK)break;
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start=(int64_t)c.start_tick+amount;output[i]=ids[i];
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if(operation==XTC_CLIPS_DELETE)r=xtc_project_remove_clip(copy,ids[i]);
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else if(start<0 || start>(int64_t)XTC_PROJECT_MAX_TICK)r=XTC_ERR_INVALID_ARGUMENT;
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else if(operation==XTC_CLIPS_DUPLICATE)r=xtc_project_duplicate_clip(copy,ids[i],c.track_id,(uint64_t)start,output+i);
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else r=xtc_project_edit_clip(copy,ids[i],c.track_id,(uint64_t)start,c.length_tick,c.offset_tick);
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}
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if(r==XTC_OK){publish(p,copy);if(out_ids)memcpy(out_ids,output,count*sizeof(*output));}
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xtc_project_destroy(copy);return r;
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}
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