[MPlayer-cvslog] r34923 - trunk/libmpdemux/mp3_hdr.c
reimar
subversion at mplayerhq.hu
Fri May 18 22:52:12 CEST 2012
Author: reimar
Date: Fri May 18 22:52:12 2012
New Revision: 34923
Log:
Remove unused code from mp_get_mp3_header.
Modified:
trunk/libmpdemux/mp3_hdr.c
Modified: trunk/libmpdemux/mp3_hdr.c
==============================================================================
--- trunk/libmpdemux/mp3_hdr.c Fri May 18 20:34:26 2012 (r34922)
+++ trunk/libmpdemux/mp3_hdr.c Fri May 18 22:52:12 2012 (r34923)
@@ -43,7 +43,7 @@ static const int freqs[9] = { 44100, 480
* return frame size or -1 (bad frame)
*/
int mp_get_mp3_header(unsigned char* hbuf,int* chans, int* srate, int* spf, int* mpa_layer, int* br){
- int stereo,ssize,lsf,framesize,padding,bitrate_index,sampling_frequency, divisor;
+ int stereo,lsf,framesize,padding,bitrate_index,sampling_frequency, divisor;
int bitrate;
int layer;
static const int mult[3] = { 12000, 144000, 144000 };
@@ -53,8 +53,6 @@ int mp_get_mp3_header(unsigned char* hbu
hbuf[2] << 8 |
hbuf[3];
-// printf("head=0x%08X\n",newhead);
-
// head_check:
if( (newhead & 0xffe00000) != 0xffe00000 ){
mp_msg(MSGT_DEMUXER,MSGL_DBG2,"head_check failed\n");
@@ -83,30 +81,11 @@ int mp_get_mp3_header(unsigned char* hbu
sampling_frequency += 6;
}
-// crc = ((newhead>>16)&0x1)^0x1;
bitrate_index = (newhead>>12)&0xf; // valid: 1..14
padding = (newhead>>9)&0x1;
-// fr->extension = (newhead>>8)&0x1;
-// fr->mode = (newhead>>6)&0x3;
-// fr->mode_ext = (newhead>>4)&0x3;
-// fr->copyright = (newhead>>3)&0x1;
-// fr->original = (newhead>>2)&0x1;
-// fr->emphasis = newhead & 0x3;
stereo = ( ((newhead>>6)&0x3) == 3) ? 1 : 2;
-// !checked later through tabsel_123[]!
-// if(!bitrate_index || bitrate_index==15){
-// mp_msg(MSGT_DEMUXER,MSGL_DBG2,"Free format not supported.\n");
-// return -1;
-// }
-
- if(lsf)
- ssize = (stereo == 1) ? 9 : 17;
- else
- ssize = (stereo == 1) ? 17 : 32;
- if(!(newhead & (1 << 16))) ssize += 2; // CRC
-
bitrate = tabsel_123[lsf][layer-1][bitrate_index];
framesize = bitrate * mult[layer-1];
@@ -123,7 +102,6 @@ int mp_get_mp3_header(unsigned char* hbu
if(layer==1)
framesize *= 4;
-// if(framesize<=0 || framesize>MAXFRAMESIZE) return FALSE;
if(srate)
*srate = freqs[sampling_frequency];
if(spf) {
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