mirror of https://github.com/mpv-player/mpv
897 lines
28 KiB
C
897 lines
28 KiB
C
// QuickTime MOV file parser by A'rpi
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// based on TOOLS/movinfo.c by me & Al3x
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// compressed header support from moov.c of the openquicktime lib.
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// References: http://openquicktime.sf.net/, http://www.heroinewarrior.com/
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// http://www.geocities.com/SiliconValley/Lakes/2160/fformats/files/mov.pdf
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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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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#include "bswap.h"
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#ifdef HAVE_ZLIB
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#include <zlib.h>
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#endif
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#include <fcntl.h>
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typedef struct {
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unsigned int pts; // duration
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unsigned int size;
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off_t pos;
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} mov_sample_t;
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typedef struct {
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unsigned int sample; // number of the first sample in the chunk
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unsigned int size; // number of samples in the chunk
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int desc; // for multiple codecs mode - not used
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off_t pos;
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} mov_chunk_t;
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typedef struct {
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unsigned int first;
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unsigned int spc;
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unsigned int sdid;
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} mov_chunkmap_t;
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typedef struct {
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unsigned int num;
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unsigned int dur;
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} mov_durmap_t;
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typedef struct {
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int id;
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int type;
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int pos;
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//
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int timescale;
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unsigned int length;
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int samplesize; // 0 = variable
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int duration; // 0 = variable
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int width,height; // for video
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unsigned int fourcc;
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//
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int tkdata_len; // track data
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unsigned char* tkdata;
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int stdata_len; // stream data
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unsigned char* stdata;
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int samples_size;
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mov_sample_t* samples;
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int chunks_size;
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mov_chunk_t* chunks;
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int chunkmap_size;
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mov_chunkmap_t* chunkmap;
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int durmap_size;
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mov_durmap_t* durmap;
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int keyframes_size;
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unsigned int* keyframes;
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} mov_track_t;
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void mov_build_index(mov_track_t* trak){
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int i,j,s;
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int last=trak->chunks_size;
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unsigned int pts=0;
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mp_msg(MSGT_DEMUX, MSGL_HINT, "MOV track: %d chunks, %d samples\n",trak->chunks_size,trak->samples_size);
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mp_msg(MSGT_DEMUX, MSGL_HINT, "pts=%d scale=%d time=%5.3f\n",trak->length,trak->timescale,(float)trak->length/(float)trak->timescale);
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// process chunkmap:
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i=trak->chunkmap_size;
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while(i>0){
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--i;
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for(j=trak->chunkmap[i].first;j<last;j++){
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trak->chunks[j].desc=trak->chunkmap[i].sdid;
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trak->chunks[j].size=trak->chunkmap[i].spc;
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}
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last=trak->chunkmap[i].first;
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}
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// calc pts of chunks:
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s=0;
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for(j=0;j<trak->chunks_size;j++){
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trak->chunks[j].sample=s;
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s+=trak->chunks[j].size;
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}
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if(!trak->samples_size){
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// constant sampesize
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if(trak->durmap_size==1 || (trak->durmap_size==2 && trak->durmap[1].num==1)){
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trak->duration=trak->durmap[0].dur;
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} else mp_msg(MSGT_DEMUX, MSGL_ERR, "*** constant samplesize & variable duration not yet supported! ***\nContact the author if you have such sample file!\n");
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return;
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}
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// calc pts:
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s=0;
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for(j=0;j<trak->durmap_size;j++){
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for(i=0;i<trak->durmap[j].num;i++){
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trak->samples[s].pts=pts;
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++s;
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pts+=trak->durmap[j].dur;
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}
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}
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// calc sample offsets
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s=0;
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for(j=0;j<trak->chunks_size;j++){
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off_t pos=trak->chunks[j].pos;
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for(i=0;i<trak->chunks[j].size;i++){
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trak->samples[s].pos=pos;
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mp_msg(MSGT_DEMUX, MSGL_DBG3, "Sample %5d: pts=%8d off=0x%08X size=%d\n",s,
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trak->samples[s].pts,
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(int)trak->samples[s].pos,
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trak->samples[s].size);
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pos+=trak->samples[s].size;
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++s;
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}
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}
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}
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#define MOV_MAX_TRACKS 256
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#define MOV_TRAK_UNKNOWN 0
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#define MOV_TRAK_VIDEO 1
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#define MOV_TRAK_AUDIO 2
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#define MOV_TRAK_FLASH 3
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#define MOV_TRAK_GENERIC 4
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typedef struct {
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off_t moov_start;
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off_t moov_end;
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off_t mdat_start;
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off_t mdat_end;
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int track_db;
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mov_track_t* tracks[MOV_MAX_TRACKS];
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} mov_priv_t;
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#warning "FIXME - mov support is only working perfectly on Little Endian systems?!"
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#define MOV_FOURCC(a,b,c,d) ((a<<24)|(b<<16)|(c<<8)|(d))
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int mov_check_file(demuxer_t* demuxer){
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int flags=0;
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int no=0;
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mov_priv_t* priv=malloc(sizeof(mov_priv_t));
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mp_msg(MSGT_DEMUX,MSGL_V,"Checking for MOV\n");
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memset(priv,0,sizeof(mov_priv_t));
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demuxer->priv=priv;
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while(1){
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off_t len=stream_read_dword(demuxer->stream);
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unsigned int id=stream_read_dword(demuxer->stream);
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if(stream_eof(demuxer->stream)) break; // EOF
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if(len<8) break; // invalid chunk
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switch(id){
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case MOV_FOURCC('m','o','o','v'):
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie header found!\n");
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priv->moov_start=stream_tell(demuxer->stream);
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priv->moov_end=priv->moov_start+len-8;
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flags|=1;
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break;
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case MOV_FOURCC('m','d','a','t'):
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie DATA found!\n");
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priv->mdat_start=stream_tell(demuxer->stream);
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priv->mdat_end=priv->mdat_start+len-8;
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flags|=2;
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break;
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case MOV_FOURCC('f','r','e','e'):
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/* unused, if you edit a mov, you can use space provided by free atoms (redefining it) */
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break;
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case MOV_FOURCC('w','i','d','e'):
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break;
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default:
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if(no==0) return 0; // first chunk is bad!
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id = bswap_32(id);
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",&id,(int)len);
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}
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if(!stream_skip(demuxer->stream,len-8)) break;
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++no;
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}
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if(flags==1)
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mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing data (mdat) chunk! Maybe broken file...\n");
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else if(flags==2)
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mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing header (moov/cmov) chunk! Maybe broken file...\n");
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return (flags==3);
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}
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static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak){
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mov_priv_t* priv=demuxer->priv;
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while(1){
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off_t pos;
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off_t len;
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unsigned int id;
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//
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pos=stream_tell(demuxer->stream);
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// printf("stream_tell==%d\n",pos);
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if(pos>=endpos) return; // END
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len=stream_read_dword(demuxer->stream);
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// printf("len==%d\n",len);
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if(len<8) return; // error
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len-=8;
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id=stream_read_dword(demuxer->stream);
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//
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mp_msg(MSGT_DEMUX,MSGL_DBG2,"lschunks %.4s %d\n",&id,(int)len);
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//
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if(trak){
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switch(id){
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case MOV_FOURCC('u','d','t','a'):
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/* here not supported :p */
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break;
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case MOV_FOURCC('t','k','h','d'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sTrack header!\n",level,"");
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// read codec data
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trak->tkdata_len=len;
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trak->tkdata=malloc(trak->tkdata_len);
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stream_read(demuxer->stream,trak->tkdata,trak->tkdata_len);
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break;
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}
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case MOV_FOURCC('m','d','h','d'): {
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unsigned int tmp;
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sMedia header!\n",level,"");
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#if 0
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tmp=stream_read_dword(demuxer->stream);
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printf("dword1: 0x%08X (%d)\n",tmp,tmp);
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tmp=stream_read_dword(demuxer->stream);
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printf("dword2: 0x%08X (%d)\n",tmp,tmp);
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tmp=stream_read_dword(demuxer->stream);
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printf("dword3: 0x%08X (%d)\n",tmp,tmp);
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tmp=stream_read_dword(demuxer->stream);
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printf("dword4: 0x%08X (%d)\n",tmp,tmp);
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tmp=stream_read_dword(demuxer->stream);
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printf("dword5: 0x%08X (%d)\n",tmp,tmp);
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tmp=stream_read_dword(demuxer->stream);
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printf("dword6: 0x%08X (%d)\n",tmp,tmp);
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#endif
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stream_skip(demuxer->stream,12);
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// read timescale
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trak->timescale=stream_read_dword(demuxer->stream);
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// read length
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trak->length=stream_read_dword(demuxer->stream);
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break;
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}
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case MOV_FOURCC('v','m','h','d'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sVideo header!\n",level,"");
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trak->type=MOV_TRAK_VIDEO;
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// read video data
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break;
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}
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case MOV_FOURCC('s','m','h','d'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sSound header!\n",level,"");
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trak->type=MOV_TRAK_AUDIO;
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// read audio data
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break;
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}
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case MOV_FOURCC('g','m','h','d'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sGeneric header!\n",level,"");
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trak->type=MOV_TRAK_GENERIC;
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break;
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}
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case MOV_FOURCC('s','t','s','d'): {
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int i=stream_read_dword(demuxer->stream); // temp!
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int count=stream_read_dword(demuxer->stream);
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sDescription list! (cnt:%d)\n",level,"",count);
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for(i=0;i<count;i++){
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off_t pos=stream_tell(demuxer->stream);
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off_t len=stream_read_dword(demuxer->stream);
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unsigned int fourcc=stream_read_dword_le(demuxer->stream);
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if(len<8) break; // error
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*s desc #%d: %.4s",level,"",i,&fourcc);
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if(!i){
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trak->fourcc=fourcc;
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// read codec data
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trak->stdata_len=len-8;
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trak->stdata=malloc(trak->stdata_len);
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stream_read(demuxer->stream,trak->stdata,trak->stdata_len);
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if(trak->type==MOV_TRAK_VIDEO && trak->stdata_len>43){
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mp_msg(MSGT_DEMUX,MSGL_V," '%.*s'",trak->stdata_len-43,trak->stdata+43);
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}
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}
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mp_msg(MSGT_DEMUX,MSGL_V,"\n");
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if(fourcc!=trak->fourcc && i)
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mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_MOVvariableFourCC);
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if(!stream_seek(demuxer->stream,pos+len)) break;
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}
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break;
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}
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case MOV_FOURCC('s','t','t','s'): {
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int temp=stream_read_dword(demuxer->stream);
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int len=stream_read_dword(demuxer->stream);
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int i;
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int x=0;
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unsigned int pts=0;
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sSample duration table! (%d blocks)\n",level,"",len);
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trak->durmap=malloc(sizeof(mov_durmap_t)*len);
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memset(trak->durmap,0,sizeof(mov_durmap_t)*len);
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trak->durmap_size=len;
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for(i=0;i<len;i++){
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trak->durmap[i].num=stream_read_dword(demuxer->stream);
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trak->durmap[i].dur=stream_read_dword(demuxer->stream);
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pts+=trak->durmap[i].num*trak->durmap[i].dur;
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if(i==0 && trak->type == MOV_TRAK_VIDEO)
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{
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sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
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if (!sh->fps)
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sh->fps = trak->timescale/trak->durmap[i].dur;
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/* initial fps */
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}
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}
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if(trak->length!=pts) mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! pts=%d length=%d\n",pts,trak->length);
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break;
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}
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case MOV_FOURCC('s','t','s','c'): {
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int temp=stream_read_dword(demuxer->stream);
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int len=stream_read_dword(demuxer->stream);
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int ver = (temp << 24);
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int flags = (temp << 16)|(temp<<8)|temp;
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int i;
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sSample->Chunk mapping table! (%d blocks) (ver:%d,flags:%ld)\n",
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level,"",len,ver,flags);
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// read data:
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trak->chunkmap_size=len;
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trak->chunkmap=malloc(sizeof(mov_chunkmap_t)*len);
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for(i=0;i<len;i++){
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trak->chunkmap[i].first=stream_read_dword(demuxer->stream)-1;
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trak->chunkmap[i].spc=stream_read_dword(demuxer->stream);
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trak->chunkmap[i].sdid=stream_read_dword(demuxer->stream);
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}
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break;
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}
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case MOV_FOURCC('s','t','s','z'): {
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int temp=stream_read_dword(demuxer->stream);
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int ss=stream_read_dword(demuxer->stream);
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int ver = (temp << 24);
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int flags = (temp << 16)|(temp<<8)|temp;
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int entries=stream_read_dword(demuxer->stream);
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int i;
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sSample size table! (entries=%d ss=%d) (ver:%d,flags:%ld)\n",
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level,"",entries,ss,ver,flags);
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trak->samplesize=ss;
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if (!ss) {
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// variable samplesize
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trak->samples=realloc(trak->samples,sizeof(mov_sample_t)*entries);
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trak->samples_size=entries;
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for(i=0;i<entries;i++)
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trak->samples[i].size=stream_read_dword(demuxer->stream);
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}
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break;
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}
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case MOV_FOURCC('s','t','c','o'): {
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int temp=stream_read_dword(demuxer->stream);
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int len=stream_read_dword(demuxer->stream);
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int i;
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sChunk offset table! (%d chunks)\n",level,"",len);
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// extend array if needed:
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if(len>trak->chunks_size){
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trak->chunks=realloc(trak->chunks,sizeof(mov_chunk_t)*len);
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trak->chunks_size=len;
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}
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// read elements:
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for(i=0;i<len;i++) trak->chunks[i].pos=stream_read_dword(demuxer->stream);
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break;
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}
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case MOV_FOURCC('s','t','s','s'): {
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int temp=stream_read_dword(demuxer->stream);
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int entries=stream_read_dword(demuxer->stream);
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int ver = (temp << 24);
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int flags = (temp << 16)|(temp<<8)|temp;
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int i;
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mp_msg(MSGT_DEMUX, MSGL_V,"MOV: %*sSyncing samples (keyframes) table! (%d entries) (ver:%d,flags:%ld)\n",
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level, "",entries, ver, flags);
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trak->keyframes_size=entries;
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trak->keyframes=malloc(sizeof(unsigned int)*entries);
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for (i=0;i<entries;i++)
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trak->keyframes[i]=stream_read_dword(demuxer->stream)-1;
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// for (i=0;i<entries;i++) printf("%3d: %d\n",i,trak->keyframes[i]);
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break;
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}
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case MOV_FOURCC('m','d','i','a'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sMedia stream!\n",level,"");
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lschunks(demuxer,level+1,pos+len,trak);
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break;
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}
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case MOV_FOURCC('m','i','n','f'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sMedia info!\n",level,"");
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lschunks(demuxer,level+1,pos+len,trak);
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break;
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}
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case MOV_FOURCC('s','t','b','l'): {
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mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sSample info!\n",level,"");
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lschunks(demuxer,level+1,pos+len,trak);
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break;
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}
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case MOV_FOURCC('e','d','t','s'): {
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mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sEdit atom!\n", level, "");
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lschunks(demuxer,level+1,pos+len,trak);
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break;
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}
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case MOV_FOURCC('e','l','s','t'): {
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int temp=stream_read_dword(demuxer->stream);
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int entries=stream_read_dword(demuxer->stream);
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int ver = (temp << 24);
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int flags = (temp << 16)|(temp<<8)|temp;
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int i;
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mp_msg(MSGT_DEMUX, MSGL_V,"MOV: %*sEdit list table (%d entries) (ver:%d,flags:%ld)\n",
|
|
level, "",entries, ver, flags);
|
|
#if 0
|
|
for (i=0;i<entries;i++)
|
|
{
|
|
printf("entry#%d: dur: %ld mtime: %ld mrate: %ld\n",
|
|
i, stream_read_dword(demuxer->stream),
|
|
stream_read_dword(demuxer->stream),
|
|
stream_read_dword(demuxer->stream));
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
case MOV_FOURCC('c','o','d','e'):
|
|
{
|
|
#warning Implement atom 'code' for FLASH
|
|
}
|
|
default:
|
|
id = bswap_32(id);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",&id,(int)len);
|
|
break;
|
|
}//switch(id)
|
|
} else { /* not in track */
|
|
switch(id) {
|
|
case MOV_FOURCC('t','r','a','k'): {
|
|
// if(trak) printf("MOV: Warning! trak in trak?\n");
|
|
if(priv->track_db>=MOV_MAX_TRACKS){
|
|
mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_MOVtooManyTrk);
|
|
return;
|
|
}
|
|
trak=malloc(sizeof(mov_track_t));
|
|
memset(trak,0,sizeof(mov_track_t));
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Track #%d:\n",priv->track_db);
|
|
trak->id=priv->track_db;
|
|
priv->tracks[priv->track_db]=trak;
|
|
lschunks(demuxer,level+1,pos+len,trak);
|
|
mov_build_index(trak);
|
|
switch(trak->type){
|
|
case MOV_TRAK_AUDIO: {
|
|
sh_audio_t* sh=new_sh_audio(demuxer,priv->track_db);
|
|
sh->format=trak->fourcc;
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Audio bits: %d chans: %d\n",trak->stdata[19],trak->stdata[17]);
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Fourcc: %.4s\n",&trak->fourcc);
|
|
#if 0
|
|
{ FILE* f=fopen("stdata.dat","wb");
|
|
fwrite(trak->stdata,trak->stdata_len,1,f);
|
|
fclose(f); }
|
|
{ FILE* f=fopen("tkdata.dat","wb");
|
|
fwrite(trak->tkdata,trak->tkdata_len,1,f);
|
|
fclose(f); }
|
|
#endif
|
|
// Emulate WAVEFORMATEX struct:
|
|
sh->wf=malloc(sizeof(WAVEFORMATEX));
|
|
memset(sh->wf,0,sizeof(WAVEFORMATEX));
|
|
sh->wf->nChannels=(trak->stdata[16]<<8)+trak->stdata[17];
|
|
sh->wf->wBitsPerSample=(trak->stdata[18]<<8)+trak->stdata[19];
|
|
// sh->wf->nSamplesPerSec=trak->timescale;
|
|
sh->wf->nSamplesPerSec=(trak->stdata[24]<<8)+trak->stdata[25];
|
|
sh->wf->nAvgBytesPerSec=sh->wf->nChannels*sh->wf->wBitsPerSample*sh->wf->nSamplesPerSec/8;
|
|
// Selection:
|
|
if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){
|
|
// (auto)selected audio track:
|
|
demuxer->audio->id=priv->track_db;
|
|
demuxer->audio->sh=sh; sh->ds=demuxer->audio;
|
|
}
|
|
break;
|
|
}
|
|
case MOV_TRAK_VIDEO: {
|
|
sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
|
|
sh->format=trak->fourcc;
|
|
if(!sh->fps) sh->fps=trak->timescale;
|
|
sh->frametime=1.0f/sh->fps;
|
|
sh->disp_w=trak->tkdata[77]|(trak->tkdata[76]<<8);
|
|
sh->disp_h=trak->tkdata[81]|(trak->tkdata[80]<<8);
|
|
|
|
// emulate BITMAPINFOHEADER:
|
|
sh->bih=malloc(sizeof(BITMAPINFOHEADER));
|
|
memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
|
|
sh->bih->biSize=40;
|
|
sh->bih->biWidth=sh->disp_w;
|
|
sh->bih->biHeight=sh->disp_h;
|
|
sh->bih->biPlanes=0;
|
|
sh->bih->biBitCount=16;
|
|
sh->bih->biCompression=trak->fourcc;
|
|
sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Image size: %d x %d\n",sh->disp_w,sh->disp_h);
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Fourcc: %.4s Codec: '%.*s'\n",&trak->fourcc,trak->stdata_len-43,trak->stdata+43);
|
|
|
|
if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){
|
|
// (auto)selected video track:
|
|
demuxer->video->id=priv->track_db;
|
|
demuxer->video->sh=sh; sh->ds=demuxer->video;
|
|
}
|
|
break;
|
|
}
|
|
case MOV_TRAK_GENERIC:
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Generic track - not completly understood! (id: %d)\n",
|
|
trak->id);
|
|
#warning Also this contains the FLASH data
|
|
#if 0
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Extracting samples to files (possibly this is an flash anim)\n");
|
|
{
|
|
int pos = stream_tell(demuxer->stream);
|
|
int i;
|
|
int fd;
|
|
char name[20];
|
|
|
|
for (i=0; i<trak->samples_size; i++)
|
|
{
|
|
char buf[trak->samples[i].size];
|
|
stream_seek(demuxer->stream, trak->samples[i].pos);
|
|
snprintf((char *)&name[0], 20, "samp%d", i);
|
|
fd = open((char *)&name[0], O_CREAT|O_WRONLY);
|
|
stream_read(demuxer->stream, &buf[0], trak->samples[i].size);
|
|
write(fd, &buf[0], trak->samples[i].size);
|
|
close(fd);
|
|
}
|
|
for (i=0; i<trak->chunks_size; i++)
|
|
{
|
|
char buf[trak->length];
|
|
stream_seek(demuxer->stream, trak->chunks[i].pos);
|
|
snprintf((char *)&name[0], 20, "chunk%d", i);
|
|
fd = open((char *)&name[0], O_CREAT|O_WRONLY);
|
|
stream_read(demuxer->stream, &buf[0], trak->length);
|
|
write(fd, &buf[0], trak->length);
|
|
close(fd);
|
|
}
|
|
if (trak->samplesize > 0)
|
|
{
|
|
char *buf;
|
|
|
|
buf = malloc(trak->samplesize);
|
|
stream_seek(demuxer->stream, trak->chunks[0].pos);
|
|
snprintf((char *)&name[0], 20, "trak%d", trak->id);
|
|
fd = open((char *)&name[0], O_CREAT|O_WRONLY);
|
|
stream_read(demuxer->stream, buf, trak->samplesize);
|
|
write(fd, buf, trak->samplesize);
|
|
close(fd);
|
|
}
|
|
stream_seek(demuxer->stream, pos);
|
|
}
|
|
#endif
|
|
break;
|
|
default:
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Unknown track type found (type: %d)\n", trak->type);
|
|
break;
|
|
}
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "--------------\n");
|
|
priv->track_db++;
|
|
trak=NULL;
|
|
break;
|
|
}
|
|
#ifndef HAVE_ZLIB
|
|
case MOV_FOURCC('c','m','o','v'): {
|
|
mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
|
|
return;
|
|
}
|
|
#else
|
|
case MOV_FOURCC('c','m','o','v'): {
|
|
// mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
|
|
lschunks(demuxer,level+1,pos+len,NULL);
|
|
break;
|
|
}
|
|
case MOV_FOURCC('d','c','o','m'): {
|
|
// int temp=stream_read_dword(demuxer->stream);
|
|
unsigned int len=bswap_32(stream_read_dword(demuxer->stream));
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Compressed header uses %.4s algo!\n",&len);
|
|
break;
|
|
}
|
|
case MOV_FOURCC('c','m','v','d'): {
|
|
// int temp=stream_read_dword(demuxer->stream);
|
|
unsigned int moov_sz=stream_read_dword(demuxer->stream);
|
|
unsigned int cmov_sz=len-4;
|
|
unsigned char* cmov_buf=malloc(cmov_sz);
|
|
unsigned char* moov_buf=malloc(moov_sz+16);
|
|
int zret;
|
|
z_stream zstrm;
|
|
stream_t* backup;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Compressed header size: %d / %d\n",cmov_sz,moov_sz);
|
|
|
|
stream_read(demuxer->stream,cmov_buf,cmov_sz);
|
|
|
|
zstrm.zalloc = (alloc_func)0;
|
|
zstrm.zfree = (free_func)0;
|
|
zstrm.opaque = (voidpf)0;
|
|
zstrm.next_in = cmov_buf;
|
|
zstrm.avail_in = cmov_sz;
|
|
zstrm.next_out = moov_buf;
|
|
zstrm.avail_out = moov_sz;
|
|
|
|
zret = inflateInit(&zstrm);
|
|
if (zret != Z_OK)
|
|
{ mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov: inflateInit err %d\n",zret);
|
|
return;
|
|
}
|
|
zret = inflate(&zstrm, Z_NO_FLUSH);
|
|
if ((zret != Z_OK) && (zret != Z_STREAM_END))
|
|
{ mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov inflate: ERR %d\n",zret);
|
|
return;
|
|
}
|
|
#if 0
|
|
else {
|
|
FILE *DecOut;
|
|
DecOut = fopen("Out.bin", "w");
|
|
fwrite(moov_buf, 1, moov_sz, DecOut);
|
|
fclose(DecOut);
|
|
}
|
|
#endif
|
|
if(moov_sz != zstrm.total_out)
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! moov size differs cmov: %d zlib: %d\n",moov_sz,zstrm.total_out);
|
|
zret = inflateEnd(&zstrm);
|
|
|
|
backup=demuxer->stream;
|
|
demuxer->stream=new_memory_stream(moov_buf,moov_sz);
|
|
stream_skip(demuxer->stream,8);
|
|
lschunks(demuxer,level+1,moov_sz,NULL); // parse uncompr. 'moov'
|
|
//free_stream(demuxer->stream);
|
|
demuxer->stream=backup;
|
|
free(cmov_buf);
|
|
free(moov_buf);
|
|
break;
|
|
}
|
|
#endif
|
|
case MOV_FOURCC('u','d','t','a'):
|
|
{
|
|
unsigned int udta_id;
|
|
off_t udta_len;
|
|
off_t udta_size = len;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2, "mov: user data record found\n");
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Quicktime Clip Info:\n");
|
|
|
|
while((len > 8) && (udta_size > 8))
|
|
{
|
|
udta_len = stream_read_dword(demuxer->stream);
|
|
udta_id = stream_read_dword(demuxer->stream);
|
|
udta_size -= 8;
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2, "udta_id: %.4s (len: %d)\n", &udta_id, udta_len);
|
|
switch (udta_id)
|
|
{
|
|
case MOV_FOURCC(0xa9,'c','p','y'):
|
|
case MOV_FOURCC(0xa9,'d','a','y'):
|
|
case MOV_FOURCC(0xa9,'d','i','r'):
|
|
/* 0xa9,'e','d','1' - '9' : edit timestamps */
|
|
case MOV_FOURCC(0xa9,'f','m','t'):
|
|
case MOV_FOURCC(0xa9,'i','n','f'):
|
|
case MOV_FOURCC(0xa9,'p','r','d'):
|
|
case MOV_FOURCC(0xa9,'p','r','f'):
|
|
case MOV_FOURCC(0xa9,'r','e','q'):
|
|
case MOV_FOURCC(0xa9,'s','r','c'):
|
|
case MOV_FOURCC('n','a','m','e'):
|
|
case MOV_FOURCC(0xa9,'n','a','m'):
|
|
case MOV_FOURCC(0xa9,'A','R','T'):
|
|
case MOV_FOURCC(0xa9,'c','m','t'):
|
|
case MOV_FOURCC(0xa9,'a','u','t'):
|
|
case MOV_FOURCC(0xa9,'s','w','r'):
|
|
{
|
|
off_t text_len = stream_read_word(demuxer->stream);
|
|
char text[text_len+2+1];
|
|
stream_read(demuxer->stream, (char *)&text, text_len+2);
|
|
text[text_len+2] = 0x0;
|
|
switch(udta_id)
|
|
{
|
|
case MOV_FOURCC(0xa9,'a','u','t'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Author: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'c','p','y'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Copyright: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'i','n','f'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Info: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC('n','a','m','e'):
|
|
case MOV_FOURCC(0xa9,'n','a','m'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Name: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'A','R','T'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Artist: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'d','i','r'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Director: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'c','m','t'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Comment: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'r','e','q'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Requirements: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'s','w','r'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Software: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'d','a','y'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Creation timestamp: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'f','m','t'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Format: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'p','r','d'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Producer: %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'p','r','f'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Performer(s): %s\n", &text[2]);
|
|
break;
|
|
case MOV_FOURCC(0xa9,'s','r','c'):
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Source providers: %s\n", &text[2]);
|
|
break;
|
|
}
|
|
udta_size -= 4+text_len;
|
|
break;
|
|
}
|
|
/* some other shits: WLOC - window location,
|
|
LOOP - looping style,
|
|
SelO - play only selected frames
|
|
AllF - play all frames
|
|
*/
|
|
case MOV_FOURCC('W','L','O','C'):
|
|
case MOV_FOURCC('L','O','O','P'):
|
|
case MOV_FOURCC('S','e','l','O'):
|
|
case MOV_FOURCC('A','l','l','F'):
|
|
default:
|
|
{
|
|
char dump[udta_len-4];
|
|
stream_read(demuxer->stream, (char *)&dump, udta_len-4-4);
|
|
udta_size -= udta_len;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
} /* eof udta */
|
|
default:
|
|
id = bswap_32(id);
|
|
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",&id,(int)len);
|
|
} /* endof switch */
|
|
} /* endof else */
|
|
|
|
pos+=len+8;
|
|
if(pos>=endpos) break;
|
|
if(!stream_seek(demuxer->stream,pos)) break;
|
|
}
|
|
}
|
|
|
|
int mov_read_header(demuxer_t* demuxer){
|
|
mov_priv_t* priv=demuxer->priv;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG3, "mov_read_header!\n");
|
|
|
|
// Parse header:
|
|
stream_reset(demuxer->stream);
|
|
if(!stream_seek(demuxer->stream,priv->moov_start)) return 0; // ???
|
|
lschunks(demuxer, 0, priv->moov_end, NULL);
|
|
|
|
return 1;
|
|
}
|
|
|
|
// return value:
|
|
// 0 = EOF or no stream found
|
|
// 1 = successfully read a packet
|
|
int demux_mov_fill_buffer(demuxer_t *demuxer,demux_stream_t* ds){
|
|
mov_priv_t* priv=demuxer->priv;
|
|
mov_track_t* trak=NULL;
|
|
float pts;
|
|
|
|
if(ds->id<0 || ds->id>=priv->track_db) return 0;
|
|
trak=priv->tracks[ds->id];
|
|
|
|
if(trak->samplesize){
|
|
// read chunk:
|
|
int x;
|
|
if(trak->pos>=trak->chunks_size) return 0; // EOF
|
|
stream_seek(demuxer->stream,trak->chunks[trak->pos].pos);
|
|
pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
|
|
x=trak->chunks[trak->pos].size;
|
|
// x=trak->chunks[trak->pos].size*trak->samplesize;
|
|
if(trak->samplesize!=1) printf("WARNING! Samplesize=%d \n",trak->samplesize);
|
|
if(trak->stdata_len>=36){
|
|
// extended stsd header - works for CBR MP3:
|
|
x/=(trak->stdata[30]<<8)+trak->stdata[31]; // samples/packet
|
|
// x*=(trak->stdata[34]<<8)+trak->stdata[35]; // bytes/packet
|
|
x*=(trak->stdata[38]<<8)+trak->stdata[39]; // bytes/frame
|
|
} else {
|
|
// works for ima4: -- we should find this info in mov headers!
|
|
if(ds->ss_div!=1 || ds->ss_mul!=1){
|
|
x/=ds->ss_div; x*=ds->ss_mul; // compression ratio fix ! HACK !
|
|
} else {
|
|
x*=(trak->stdata[18]<<8)+trak->stdata[19];x/=8; // bits/sample
|
|
}
|
|
}
|
|
ds_read_packet(ds,demuxer->stream,x,pts,trak->chunks[trak->pos].pos,0);
|
|
if(ds==demuxer->audio) mp_msg(MSGT_DEMUX, MSGL_DBG2, "sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts);
|
|
} else {
|
|
// read sample:
|
|
if(trak->pos>=trak->samples_size) return 0; // EOF
|
|
stream_seek(demuxer->stream,trak->samples[trak->pos].pos);
|
|
pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale;
|
|
ds_read_packet(ds,demuxer->stream,trak->samples[trak->pos].size,pts,trak->samples[trak->pos].pos,0);
|
|
}
|
|
++trak->pos;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
static float mov_seek_track(mov_track_t* trak,float pts,int flags){
|
|
|
|
// printf("MOV track seek called %5.3f \n",pts);
|
|
if(flags&2) pts*=trak->length; else pts*=(float)trak->timescale;
|
|
|
|
if(trak->samplesize){
|
|
int sample=pts/trak->duration;
|
|
// printf("MOV track seek - chunk: %d (pts: %5.3f dur=%d) \n",sample,pts,trak->duration);
|
|
if(!(flags&1)) sample+=trak->chunks[trak->pos].sample; // relative
|
|
trak->pos=0;
|
|
while(trak->pos<trak->chunks_size && trak->chunks[trak->pos].sample<sample) ++trak->pos;
|
|
pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
|
|
} else {
|
|
unsigned int ipts;
|
|
if(!(flags&1)) pts+=trak->samples[trak->pos].pts;
|
|
if(pts<0) pts=0;
|
|
ipts=pts;
|
|
//printf("MOV track seek - sample: %d \n",ipts);
|
|
for(trak->pos=0;trak->pos<trak->samples_size;++trak->pos){
|
|
if(trak->samples[trak->pos].pts>=ipts) break; // found it!
|
|
}
|
|
if(trak->keyframes_size){
|
|
// find nearest keyframe
|
|
int i;
|
|
for(i=0;i<trak->keyframes_size;i++){
|
|
if(trak->keyframes[i]>=trak->pos) break;
|
|
}
|
|
if(i>0 && (trak->keyframes[i]-trak->pos) > (trak->pos-trak->keyframes[i-1]))
|
|
--i;
|
|
trak->pos=trak->keyframes[i];
|
|
// printf("nearest keyframe: %d \n",trak->pos);
|
|
}
|
|
pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale;
|
|
}
|
|
|
|
// printf("MOV track seek done: %5.3f \n",pts);
|
|
|
|
return pts;
|
|
}
|
|
|
|
void demux_seek_mov(demuxer_t *demuxer,float pts,int flags){
|
|
mov_priv_t* priv=demuxer->priv;
|
|
demux_stream_t* ds;
|
|
|
|
// printf("MOV seek called %5.3f flag=%d \n",pts,flags);
|
|
|
|
ds=demuxer->video;
|
|
if(ds && ds->id>=0 && ds->id<priv->track_db){
|
|
mov_track_t* trak=priv->tracks[ds->id];
|
|
//if(flags&2) pts*=(float)trak->length/(float)trak->timescale;
|
|
//if(!(flags&1)) pts+=ds->pts;
|
|
pts=ds->pts=mov_seek_track(trak,pts,flags);
|
|
flags=1; // absolute seconds
|
|
}
|
|
|
|
ds=demuxer->audio;
|
|
if(ds && ds->id>=0 && ds->id<priv->track_db){
|
|
mov_track_t* trak=priv->tracks[ds->id];
|
|
//if(flags&2) pts*=(float)trak->length/(float)trak->timescale;
|
|
//if(!(flags&1)) pts+=ds->pts;
|
|
ds->pts=mov_seek_track(trak,pts,flags);
|
|
}
|
|
|
|
}
|
|
|