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standard GSM support for .mov files

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7411 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-09-15 21:23:59 +00:00
parent a3d81b74f9
commit bb8a55c4f8
1 changed files with 14 additions and 2 deletions
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16
libmpcodecs/ad_msgsm.c
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@ -7,7 +7,7 @@
static ad_info_t info =
{
"native MSGSM audio decoder",
"native GSM/MSGSM audio decoder",
"msgsm",
"A'rpi",
"XAnim",
@ -28,7 +28,12 @@ static int init(sh_audio_t *sh_audio)
// decodes 65 byte -> 320 short
// 1 sec: sh_audio->channels*sh_audio->samplerate samples
// 1 frame: 320 samples
sh_audio->i_bps=65*(sh_audio->channels*sh_audio->samplerate)/320; // 1:10
if(sh_audio->format==0x31 || sh_audio->format==0x32){
sh_audio->ds->ss_mul=65; sh_audio->ds->ss_div=320;
} else {
sh_audio->ds->ss_mul=33; sh_audio->ds->ss_div=160;
}
sh_audio->i_bps=sh_audio->ds->ss_mul*(sh_audio->channels*sh_audio->samplerate)/sh_audio->ds->ss_div; // 1:10
return 1;
}
@ -49,8 +54,15 @@ static int control(sh_audio_t *sh,int cmd,void* arg, ...)
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
if(sh_audio->format==0x31 || sh_audio->format==0x32){
unsigned char ibuf[65]; // 65 bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,65)!=65) return -1; // EOF
XA_MSGSM_Decoder(ibuf,(unsigned short *) buf); // decodes 65 byte -> 320 short
return 2*320;
} else {
unsigned char ibuf[33]; // 33 bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,33)!=33) return -1; // EOF
XA_GSM_Decoder(ibuf,(unsigned short *) buf); // decodes 33 byte -> 160 short
return 2*160;
}
}