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handling free chunk (wide needs implementation) and displaying clip info (datas from udta chunk)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2430 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2001-10-23 16:21:24 +00:00
parent 77f285907e
commit b2d7a9f40f
1 changed files with 72 additions and 0 deletions
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72
libmpdemux/demux_mov.c
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@ -182,7 +182,11 @@ int mov_check_file(demuxer_t* demuxer){
priv->mdat_end=priv->mdat_start+len-8;
flags|=2;
break;
case MOV_FOURCC('f','r','e','e'):
break;
case MOV_FOURCC('w','i','d','e'):
default:
id = bswap_32(id);
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",&id,(int)len);
}
if(!stream_skip(demuxer->stream,len-8)) break;
@ -216,6 +220,9 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
//
if(trak){
switch(id){
case MOV_FOURCC('u','d','t','a'):
/* here not supported :p */
break;
case MOV_FOURCC('t','k','h','d'): {
mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sTrack header!\n",level,"");
// read codec data
@ -510,7 +517,72 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
}
#endif
else if (id==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,'i','n','f'):
case MOV_FOURCC(0xa9,'n','a','m'):
case MOV_FOURCC(0xa9,'A','R','T'):
case MOV_FOURCC(0xa9,'d','i','r'):
case MOV_FOURCC(0xa9,'c','m','t'):
case MOV_FOURCC(0xa9,'r','e','q'):
{
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,'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(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, " Requests(codec): %s\n", &text[2]);
break;
}
udta_size -= 4+text_len;
break;
}
default:
{
char dump[udta_len-4];
stream_read(demuxer->stream, (char *)&dump, udta_len-4-4);
udta_size -= udta_len;
}
}
}
} /* eof udta */
pos+=len+8;
if(pos>=endpos) break;
if(!stream_seek(demuxer->stream,pos)) break;