2001-02-24 20:28:24 +00:00
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2001-04-23 03:42:17 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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2001-10-29 00:55:15 +00:00
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#include <string.h>
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2002-12-27 22:43:20 +00:00
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#include <inttypes.h>
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2001-10-29 00:55:15 +00:00
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2001-10-30 17:03:11 +00:00
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#include "config.h"
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2002-08-29 21:37:45 +00:00
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#include "../version.h"
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2001-10-30 17:03:11 +00:00
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2001-10-29 00:55:15 +00:00
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//#include "stream.h"
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//#include "demuxer.h"
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//#include "stheader.h"
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2001-04-23 03:42:17 +00:00
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#include "wine/mmreg.h"
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#include "wine/avifmt.h"
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#include "wine/vfw.h"
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2002-08-05 11:26:26 +00:00
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#include "bswap.h"
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2001-04-23 03:42:17 +00:00
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2002-12-27 22:43:20 +00:00
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#include "muxer.h"
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2002-08-05 11:26:26 +00:00
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#include "aviheader.h"
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2001-04-23 03:42:17 +00:00
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2002-08-29 20:50:49 +00:00
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extern char *info_name;
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extern char *info_artist;
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extern char *info_genre;
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extern char *info_subject;
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extern char *info_copyright;
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extern char *info_sourceform;
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extern char *info_comment;
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2002-12-27 22:43:20 +00:00
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static muxer_stream_t* avifile_new_stream(muxer_t *muxer,int type){
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muxer_stream_t* s;
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if(muxer->avih.dwStreams>=MUXER_MAX_STREAMS){
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printf("Too many streams! increase MUXER_MAX_STREAMS !\n");
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2001-10-29 00:55:15 +00:00
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return NULL;
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}
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2002-12-27 22:43:20 +00:00
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s=malloc(sizeof(muxer_stream_t));
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memset(s,0,sizeof(muxer_stream_t));
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2001-10-29 00:55:15 +00:00
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if(!s) return NULL; // no mem!?
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muxer->streams[muxer->avih.dwStreams]=s;
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s->type=type;
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s->id=muxer->avih.dwStreams;
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s->timer=0.0;
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2001-11-03 20:57:13 +00:00
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s->size=0;
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2001-10-29 00:55:15 +00:00
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switch(type){
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_VIDEO:
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2001-10-29 00:55:15 +00:00
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s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
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s->h.fccType=streamtypeVIDEO;
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if(!muxer->def_v) muxer->def_v=s;
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break;
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_AUDIO:
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2001-10-29 00:55:15 +00:00
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s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'w','b');
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s->h.fccType=streamtypeAUDIO;
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break;
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default:
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printf("WarninG! unknown stream type: %d\n",type);
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return NULL;
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}
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muxer->avih.dwStreams++;
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return s;
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}
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2001-02-24 20:28:24 +00:00
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2001-10-29 00:55:15 +00:00
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static void write_avi_chunk(FILE *f,unsigned int id,int len,void* data){
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2002-08-05 11:26:26 +00:00
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int le_len = le2me_32(len);
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int le_id = le2me_32(id);
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fwrite(&le_id,4,1,f);
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fwrite(&le_len,4,1,f);
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2001-02-24 20:28:24 +00:00
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if(len>0){
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if(data){
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// DATA
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fwrite(data,len,1,f);
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if(len&1){ // padding
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unsigned char zerobyte=0;
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fwrite(&zerobyte,1,1,f);
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}
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} else {
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// JUNK
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char *avi_junk_data="[= MPlayer junk data! =]";
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if(len&1) ++len; // padding
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while(len>0){
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int l=strlen(avi_junk_data);
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if(l>len) l=len;
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fwrite(avi_junk_data,l,1,f);
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len-=l;
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}
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}
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}
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}
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2002-12-27 22:43:20 +00:00
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static void avifile_write_chunk(muxer_t *muxer,muxer_stream_t *s, FILE *f,size_t len,unsigned int flags){
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2001-02-24 20:28:24 +00:00
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2001-10-29 00:55:15 +00:00
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// add to the index:
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if(muxer->idx_pos>=muxer->idx_size){
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muxer->idx_size+=256; // 4kB
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muxer->idx=realloc(muxer->idx,16*muxer->idx_size);
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}
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muxer->idx[muxer->idx_pos].ckid=s->ckid;
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muxer->idx[muxer->idx_pos].dwFlags=flags; // keyframe?
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muxer->idx[muxer->idx_pos].dwChunkOffset=ftell(f)-(muxer->movi_start-4);
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muxer->idx[muxer->idx_pos].dwChunkLength=len;
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++muxer->idx_pos;
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// write out the chunk:
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2002-08-05 11:26:26 +00:00
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write_avi_chunk(f,s->ckid,len,s->buffer); /* unsigned char */
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2001-10-29 00:55:15 +00:00
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// alter counters:
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if(s->h.dwSampleSize){
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// CBR
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s->h.dwLength+=len/s->h.dwSampleSize;
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if(len%s->h.dwSampleSize) printf("Warning! len isn't divisable by samplesize!\n");
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} else {
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// VBR
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s->h.dwLength++;
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}
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s->timer=(double)s->h.dwLength*s->h.dwScale/s->h.dwRate;
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2001-11-03 20:57:13 +00:00
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s->size+=len;
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2002-12-27 22:43:20 +00:00
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if((unsigned int)len>s->h.dwSuggestedBufferSize) s->h.dwSuggestedBufferSize=len;
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2001-10-29 00:55:15 +00:00
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}
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static void write_avi_list(FILE *f,unsigned int id,int len){
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2001-02-24 20:28:24 +00:00
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unsigned int list_id=FOURCC_LIST;
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2002-08-05 11:26:26 +00:00
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int le_len;
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int le_id;
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2001-02-24 20:28:24 +00:00
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len+=4; // list fix
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2002-08-05 11:26:26 +00:00
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list_id = le2me_32(list_id);
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le_len = le2me_32(len);
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le_id = le2me_32(id);
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2001-02-24 20:28:24 +00:00
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fwrite(&list_id,4,1,f);
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2002-08-05 11:26:26 +00:00
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fwrite(&le_len,4,1,f);
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fwrite(&le_id,4,1,f);
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2001-02-24 20:28:24 +00:00
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}
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2001-11-02 17:43:05 +00:00
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// muxer->streams[i]->wf->cbSize
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#define WFSIZE(wf) (sizeof(WAVEFORMATEX)+(((wf)->cbSize)?((wf)->cbSize-2):0))
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2002-12-27 22:43:20 +00:00
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static void avifile_write_header(muxer_t *muxer,FILE *f){
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uint32_t riff[3];
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unsigned int i;
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2001-10-29 00:55:15 +00:00
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unsigned int hdrsize;
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2002-12-27 22:43:20 +00:00
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muxer_info_t info[16];
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2002-08-29 20:50:49 +00:00
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2001-02-24 20:28:24 +00:00
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// RIFF header:
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riff[0]=mmioFOURCC('R','I','F','F');
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2002-08-29 20:21:59 +00:00
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riff[1]=muxer->file_end-2*sizeof(unsigned int); // filesize
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2001-02-24 20:28:24 +00:00
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riff[2]=formtypeAVI; // 'AVI '
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2002-08-05 11:26:26 +00:00
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riff[0]=le2me_32(riff[0]);
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riff[1]=le2me_32(riff[1]);
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riff[2]=le2me_32(riff[2]);
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2001-02-24 20:28:24 +00:00
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fwrite(&riff,12,1,f);
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2001-10-29 00:55:15 +00:00
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// update AVI header:
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if(muxer->def_v){
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muxer->avih.dwMicroSecPerFrame=1000000.0*muxer->def_v->h.dwScale/muxer->def_v->h.dwRate;
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2001-11-02 17:43:05 +00:00
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// muxer->avih.dwMaxBytesPerSec=1000000; // dummy!!!!! FIXME
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// muxer->avih.dwPaddingGranularity=2; // ???
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2001-10-29 00:55:15 +00:00
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muxer->avih.dwFlags|=AVIF_ISINTERLEAVED|AVIF_TRUSTCKTYPE;
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muxer->avih.dwTotalFrames=muxer->def_v->h.dwLength;
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2001-11-02 17:43:05 +00:00
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// muxer->avih.dwSuggestedBufferSize=muxer->def_v->h.dwSuggestedBufferSize;
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2001-10-29 00:55:15 +00:00
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muxer->avih.dwWidth=muxer->def_v->bih->biWidth;
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muxer->avih.dwHeight=muxer->def_v->bih->biHeight;
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}
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2001-02-24 20:28:24 +00:00
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// AVI header:
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2001-10-29 00:55:15 +00:00
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hdrsize=sizeof(muxer->avih)+8;
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// calc total header size:
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for(i=0;i<muxer->avih.dwStreams;i++){
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hdrsize+=12; // LIST
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hdrsize+=sizeof(muxer->streams[i]->h)+8; // strh
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switch(muxer->streams[i]->type){
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_VIDEO:
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2001-10-29 00:55:15 +00:00
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hdrsize+=muxer->streams[i]->bih->biSize+8; // strf
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break;
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_AUDIO:
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2001-11-02 17:43:05 +00:00
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hdrsize+=WFSIZE(muxer->streams[i]->wf)+8; // strf
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2001-10-29 00:55:15 +00:00
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break;
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}
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}
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write_avi_list(f,listtypeAVIHEADER,hdrsize);
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2002-08-05 11:26:26 +00:00
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le2me_MainAVIHeader(&muxer->avih);
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write_avi_chunk(f,ckidAVIMAINHDR,sizeof(muxer->avih),&muxer->avih); /* MainAVIHeader */
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le2me_MainAVIHeader(&muxer->avih);
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2001-10-29 00:55:15 +00:00
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// stream headers:
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for(i=0;i<muxer->avih.dwStreams;i++){
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hdrsize=sizeof(muxer->streams[i]->h)+8; // strh
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switch(muxer->streams[i]->type){
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_VIDEO:
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2001-10-29 00:55:15 +00:00
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hdrsize+=muxer->streams[i]->bih->biSize+8; // strf
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break;
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_AUDIO:
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2001-11-02 17:43:05 +00:00
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hdrsize+=WFSIZE(muxer->streams[i]->wf)+8; // strf
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2001-10-29 00:55:15 +00:00
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break;
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}
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write_avi_list(f,listtypeSTREAMHEADER,hdrsize);
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2002-08-05 11:26:26 +00:00
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le2me_AVIStreamHeader(&muxer->streams[i]->h);
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write_avi_chunk(f,ckidSTREAMHEADER,sizeof(muxer->streams[i]->h),&muxer->streams[i]->h); /* AVISTreamHeader */ // strh
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le2me_AVIStreamHeader(&muxer->streams[i]->h);
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2001-10-29 00:55:15 +00:00
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switch(muxer->streams[i]->type){
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_VIDEO:
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2002-08-05 11:26:26 +00:00
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{
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int biSize=muxer->streams[i]->bih->biSize;
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le2me_BITMAPINFOHEADER(muxer->streams[i]->bih);
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write_avi_chunk(f,ckidSTREAMFORMAT,biSize,muxer->streams[i]->bih); /* BITMAPINFOHEADER */
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le2me_BITMAPINFOHEADER(muxer->streams[i]->bih);
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}
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2001-10-29 00:55:15 +00:00
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break;
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2002-12-27 22:43:20 +00:00
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case MUXER_TYPE_AUDIO:
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2002-08-05 11:26:26 +00:00
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{
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int wfsize = WFSIZE(muxer->streams[i]->wf);
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le2me_WAVEFORMATEX(muxer->streams[i]->wf);
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write_avi_chunk(f,ckidSTREAMFORMAT,wfsize,muxer->streams[i]->wf); /* WAVEFORMATEX */
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le2me_WAVEFORMATEX(muxer->streams[i]->wf);
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}
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2001-10-29 00:55:15 +00:00
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break;
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}
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}
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2002-08-29 20:50:49 +00:00
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// ============= INFO ===============
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// always include software info
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info[0].id=mmioFOURCC('I','S','F','T'); // Software:
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info[0].text="MEncoder " VERSION;
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// include any optional strings
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i=1;
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if(info_name!=NULL){
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info[i].id=mmioFOURCC('I','N','A','M'); // Name:
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info[i++].text=info_name;
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}
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if(info_artist!=NULL){
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info[i].id=mmioFOURCC('I','A','R','T'); // Artist:
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info[i++].text=info_artist;
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}
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if(info_genre!=NULL){
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info[i].id=mmioFOURCC('I','G','N','R'); // Genre:
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info[i++].text=info_genre;
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}
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if(info_subject!=NULL){
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info[i].id=mmioFOURCC('I','S','B','J'); // Subject:
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info[i++].text=info_subject;
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}
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if(info_copyright!=NULL){
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info[i].id=mmioFOURCC('I','C','O','P'); // Copyright:
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info[i++].text=info_copyright;
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}
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if(info_sourceform!=NULL){
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info[i].id=mmioFOURCC('I','S','R','F'); // Source Form:
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info[i++].text=info_sourceform;
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}
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if(info_comment!=NULL){
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info[i].id=mmioFOURCC('I','C','M','T'); // Comment:
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info[i++].text=info_comment;
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}
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info[i].id=0;
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hdrsize=0;
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// calc info size:
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for(i=0;info[i].id!=0;i++) if(info[i].text){
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size_t sz=strlen(info[i].text)+1;
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hdrsize+=sz+8+sz%2;
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}
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// write infos:
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if (hdrsize!=0){
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write_avi_list(f,mmioFOURCC('I','N','F','O'),hdrsize);
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for(i=0;info[i].id!=0;i++) if(info[i].text){
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write_avi_chunk(f,info[i].id,strlen(info[i].text)+1,info[i].text);
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}
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}
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2001-10-29 00:55:15 +00:00
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// JUNK:
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2002-08-05 11:26:26 +00:00
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write_avi_chunk(f,ckidAVIPADDING,2048-(ftell(f)&2047)-8,NULL); /* junk */
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2001-02-24 20:28:24 +00:00
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// 'movi' header:
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2001-10-29 00:55:15 +00:00
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write_avi_list(f,listtypeAVIMOVIE,muxer->movi_end-ftell(f)-12);
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muxer->movi_start=ftell(f);
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2001-02-24 20:28:24 +00:00
|
|
|
}
|
|
|
|
|
2002-12-27 22:43:20 +00:00
|
|
|
static void avifile_write_index(muxer_t *muxer,FILE *f){
|
2001-10-29 00:55:15 +00:00
|
|
|
muxer->movi_end=ftell(f);
|
|
|
|
if(muxer->idx && muxer->idx_pos>0){
|
2002-08-05 11:26:26 +00:00
|
|
|
int i;
|
2001-10-29 00:55:15 +00:00
|
|
|
// fixup index entries:
|
|
|
|
// for(i=0;i<muxer->idx_pos;i++) muxer->idx[i].dwChunkOffset-=muxer->movi_start-4;
|
|
|
|
// write index chunk:
|
2002-08-05 11:26:26 +00:00
|
|
|
for (i=0; i<muxer->idx_pos; i++) le2me_AVIINDEXENTRY((&muxer->idx[i]));
|
|
|
|
write_avi_chunk(f,ckidAVINEWINDEX,16*muxer->idx_pos,muxer->idx); /* AVIINDEXENTRY */
|
|
|
|
for (i=0; i<muxer->idx_pos; i++) le2me_AVIINDEXENTRY((&muxer->idx[i]));
|
2001-10-29 00:55:15 +00:00
|
|
|
muxer->avih.dwFlags|=AVIF_HASINDEX;
|
2001-02-24 20:28:24 +00:00
|
|
|
}
|
2001-10-29 00:55:15 +00:00
|
|
|
muxer->file_end=ftell(f);
|
2001-02-24 20:28:24 +00:00
|
|
|
}
|
|
|
|
|
2002-12-27 22:43:20 +00:00
|
|
|
void muxer_init_muxer_avi(muxer_t *muxer){
|
|
|
|
muxer->cont_new_stream = &avifile_new_stream;
|
|
|
|
muxer->cont_write_chunk = &avifile_write_chunk;
|
|
|
|
muxer->cont_write_header = &avifile_write_header;
|
|
|
|
muxer->cont_write_index = &avifile_write_index;
|
|
|
|
}
|