[Mplayer-cvslog] CVS: main/libmpdemux demux_real.c,1.38,1.39
Arpi
arpi at thot.banki.hu
Fri Mar 7 11:03:08 CET 2003
Hi,
very nice!! :)
> Update of /cvsroot/mplayer/main/libmpdemux
> In directory mail:/var/tmp.root/cvs-serv30098
>
> Modified Files:
> demux_real.c
> Log Message:
> rv40 pict_type parser
>
>
> Index: demux_real.c
> ===================================================================
> RCS file: /cvsroot/mplayer/main/libmpdemux/demux_real.c,v
> retrieving revision 1.38
> retrieving revision 1.39
> diff -u -r1.38 -r1.39
> --- demux_real.c 21 Feb 2003 12:55:26 -0000 1.38
> +++ demux_real.c 7 Mar 2003 02:05:59 -0000 1.39
> @@ -313,17 +313,31 @@
>
> void hexdump(char *, unsigned long);
>
> +#define SKIP_BITS(n) buffer<<=n
> +#define SHOW_BITS(n) ((buffer)>>(32-(n)))
> +
> static float real_fix_timestamp(real_priv_t* priv, unsigned char* s, int
> timestamp, float frametime, unsigned int format){
> float v_pts;
> + uint32_t buffer= (s[0]<<24) + (s[1]<<16) + (s[2]<<8) + s[3];
> int kf=timestamp;
> - if(format==0x30335652){ // RV30 timestamps:
> - kf=2*(((s[1]&15)<<8)+s[2]); // 12-bit timestamp from frame header
> - //kf=((s[1]<<8)+s[2])>>3; // 12-bit timestamp from frame header
> - if(verbose>1) printf("\nTS: %08X (%04X) %02X %02X %02X %02X\n"
> ,timestamp,kf,s[0],s[1],s[2],s[3]);
> + int pict_type;
> +
> + if(format==mmioFOURCC('R','V','3','0') || format==mmioFOURCC('R','V'
> ,'4','0')){
> + if(format==mmioFOURCC('R','V','3','0')){
> + SKIP_BITS(3);
> + pict_type= SHOW_BITS(2);
> + SKIP_BITS(2 + 7);
> + }else{
> + SKIP_BITS(1);
> + pict_type= SHOW_BITS(2);
> + SKIP_BITS(2 + 7 + 1);
> + }
> + kf= 2*SHOW_BITS(12);
> + if(verbose>1) printf("\nTS: %08X (%04X) %d %02X %02X %02X %02X\n"
> ,timestamp,kf,pict_type,s[0],s[1],s[2],s[3]);
> kf|=timestamp&(~0x1fff); // combine with packet timestamp
> if(kf<timestamp-4096) kf+=8192; else // workaround wrap-around problems
> if(kf>timestamp+4096) kf-=8192;
> - if(!(s[0]&0x8) || !(s[0]&0x10)){ // P || I frame -> swap timestamps
> + if(pict_type != 3){ // P || I frame -> swap timestamps
> int tmp=kf;
> kf=priv->kf_pts;
> priv->kf_pts=tmp;
>
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>
>
A'rpi / Astral & ESP-team
--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
"However, many people beg for its inclusion in Debian. Why?" - Gabucino
"Because having new software in Debian is good." - Josselin Mouette
"Because having good software in Debian is new." - Gabucino
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