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added co64 (64bit chunk offset table) chunk (needed for mov files created with xawtv) and added depth detection in video track (tested with my *.mov files (about 15-20) and worked fine)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3653 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2001-12-22 00:33:35 +00:00
parent 13347b5376
commit 6f76545a73
1 changed files with 58 additions and 3 deletions
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61
libmpdemux/demux_mov.c
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@ -80,6 +80,20 @@ void mov_build_index(mov_track_t* trak){
int i,j,s;
int last=trak->chunks_size;
unsigned int pts=0;
#if 0
if (trak->chunks_size <= 0)
{
mp_msg(MSGT_DEMUX, MSGL_WARN, "No chunk offset table, trying to build one!\n");
trak->chunks_size = trak->samples_size;
trak->chunks = realloc(trak->chunks, sizeof(mov_chunk_t)*trak->chunks_size);
for (i=0; i < trak->chunks_size; i++)
trak->chunks[i].pos = -1;
}
#endif
mp_msg(MSGT_DEMUX, MSGL_HINT, "MOV track: %d chunks, %d samples\n",trak->chunks_size,trak->samples_size);
mp_msg(MSGT_DEMUX, MSGL_HINT, "pts=%d scale=%d time=%5.3f\n",trak->length,trak->timescale,(float)trak->length/(float)trak->timescale);
@ -94,6 +108,18 @@ void mov_build_index(mov_track_t* trak){
last=trak->chunkmap[i].first;
}
#if 0
for (i=0; i < trak->chunks_size; i++)
{
/* fixup position */
if (trak->chunks[i].pos == -1)
if (i > 0)
trak->chunks[i].pos = trak->chunks[i-1].pos + trak->chunks[i-1].size;
else
trak->chunks[i].pos = 0; /* FIXME: set initial pos */
}
#endif
// calc pts of chunks:
s=0;
for(j=0;j<trak->chunks_size;j++){
@ -390,6 +416,34 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
for(i=0;i<len;i++) trak->chunks[i].pos=stream_read_dword(demuxer->stream);
break;
}
case MOV_FOURCC('c','o','6','4'): {
int temp=stream_read_dword(demuxer->stream);
int len=stream_read_dword(demuxer->stream);
int i;
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*s64bit chunk offset table! (%d chunks)\n",level,"",len);
// extend array if needed:
if(len>trak->chunks_size){
trak->chunks=realloc(trak->chunks,sizeof(mov_chunk_t)*len);
trak->chunks_size=len;
}
// read elements:
for(i=0;i<len;i++)
{
int len1=stream_read_dword(demuxer->stream);
int len2=stream_read_dword(demuxer->stream);
mp_msg(MSGT_DEMUX, MSGL_DBG3, "Chunk #%d: len1=%d, len2=%d\n", i, len1, len2);
#ifndef _LARGEFILE_SOURCE /* is this right ?! -- alex */
if (len1)
mp_msg(MSGT_DEMUX, MSGL_WARN, "Chunk %d has got 64bit address, but you've MPlayer compiled without LARGEFILE support!\n", i);
trak->chunks[i].pos = len2;
#else
trak->chunks[i].pos = len1+len2; /* also off_t pos -> on 64bit platform off_t MUST be 64bit */
#endif
}
break;
}
case MOV_FOURCC('s','t','s','s'): {
int temp=stream_read_dword(demuxer->stream);
int entries=stream_read_dword(demuxer->stream);
@ -501,6 +555,7 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
}
case MOV_TRAK_VIDEO: {
sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
int depth = trak->stdata[43+32]; /* requested by Mike Melanson for Apple RLE decoder -- alex */
sh->format=trak->fourcc;
if(!sh->fps) sh->fps=trak->timescale;
sh->frametime=1.0f/sh->fps;
@ -514,11 +569,11 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
sh->bih->biWidth=sh->disp_w;
sh->bih->biHeight=sh->disp_h;
sh->bih->biPlanes=0;
sh->bih->biBitCount=16;
sh->bih->biBitCount=depth;
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, "Image size: %d x %d (%dbits)\n",sh->disp_w,sh->disp_h,sh->bih->biBitCount);
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){
@ -818,7 +873,7 @@ if(trak->samplesize){
}
else
x=trak->chunks[trak->pos].size;
printf("X = %d\n", x);
// printf("X = %d\n", x);
if(trak->stdata_len>=36){
// extended stsd header - works for CBR MP3:
x/=(trak->stdata[30]<<8)+trak->stdata[31]; // samples/packet