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-rw-r--r--mp3lib/sr1.c605
1 files changed, 0 insertions, 605 deletions
diff --git a/mp3lib/sr1.c b/mp3lib/sr1.c
deleted file mode 100644
index 57f05787e2..0000000000
--- a/mp3lib/sr1.c
+++ /dev/null
@@ -1,605 +0,0 @@
-// #define NEWBUFFERING
-//#define DEBUG_RESYNC
-
-/* 1 frame = 4608 byte PCM */
-
-#define LOCAL static inline
-
-//#undef LOCAL
-//#define LOCAL
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-
-#include "mpg123.h"
-#include "huffman.h"
-#include "mp3.h"
-#include "mpbswap.h"
-#include "cpudetect.h"
-#include "mp_msg.h"
-#include "libmpcodecs/ad_mp3lib.h"
-#include "libvo/fastmemcpy.h"
-
-#include "libavutil/common.h"
-
-#if ARCH_X86_64
-// 3DNow! and 3DNow!Ext routines don't compile under AMD64
-#undef HAVE_AMD3DNOW
-#undef HAVE_AMD3DNOWEXT
-#define HAVE_AMD3DNOW 0
-#define HAVE_AMD3DNOWEXT 0
-#endif
-
-//static FILE* mp3_file=NULL;
-
-int MP3_frames=0;
-int MP3_eof=0;
-int MP3_pause=0;
-int MP3_filesize=0;
-int MP3_fpos=0; // current file position
-int MP3_framesize=0; // current framesize
-int MP3_bitrate=0; // current bitrate
-int MP3_samplerate=0; // current samplerate
-int MP3_resync=0;
-int MP3_channels=0;
-int MP3_bps=2;
-
-static long outscale = 32768;
-#include "tabinit.c"
-
-#if 1
-LOCAL int mp3_read(char *buf,int size){
-// int len=fread(buf,1,size,mp3_file);
- int len=mplayer_audio_read(buf,size);
- if(len>0) MP3_fpos+=len;
-// if(len!=size) MP3_eof=1;
- return len;
-}
-#else
-int mp3_read(char *buf,int size);
-#endif
-/*
- * Modified for use with MPlayer, for details see the changelog at
- * http://svn.mplayerhq.hu/mplayer/trunk/
- * $Id$
- */
-
-
-//void mp3_seek(int pos){
-// fseek(mp3_file,pos,SEEK_SET);
-// return MP3_fpos = ftell(mp3_file);
-//}
-
-/* Frame reader */
-
-#define MAXFRAMESIZE 1280
-#define MAXFRAMESIZE2 (512+MAXFRAMESIZE)
-
-static int fsizeold=0,ssize=0;
-static unsigned char bsspace[2][MAXFRAMESIZE2]; /* !!!!! */
-static unsigned char *bsbufold=bsspace[0]+512;
-static unsigned char *bsbuf=bsspace[1]+512;
-static int bsnum=0;
-
-static int bitindex;
-static unsigned char *wordpointer;
-static int bitsleft;
-
-static unsigned char *pcm_sample; /* outbuffer address */
-static int pcm_point = 0; /* outbuffer offset */
-
-static struct frame fr;
-
-static int tabsel_123[2][3][16] = {
- { {0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,},
- {0,32,48,56, 64, 80, 96,112,128,160,192,224,256,320,384,},
- {0,32,40,48, 56, 64, 80, 96,112,128,160,192,224,256,320,} },
-
- { {0,32,48,56,64,80,96,112,128,144,160,176,192,224,256,},
- {0,8,16,24,32,40,48,56,64,80,96,112,128,144,160,},
- {0,8,16,24,32,40,48,56,64,80,96,112,128,144,160,} }
-};
-
-static int freqs[9] = { 44100, 48000, 32000, 22050, 24000, 16000 , 11025 , 12000 , 8000 };
-
-LOCAL unsigned int getbits(short number_of_bits)
-{
- unsigned rval;
-// if(MP3_frames>=7741) printf("getbits: bits=%d bitsleft=%d wordptr=%x\n",number_of_bits,bitsleft,wordpointer);
- if((bitsleft-=number_of_bits)<0) return 0;
- if(!number_of_bits) return 0;
- rval = wordpointer[0];
- rval <<= 8;
- rval |= wordpointer[1];
- rval <<= 8;
- rval |= wordpointer[2];
- rval <<= bitindex;
- rval &= 0xffffff;
- bitindex += number_of_bits;
- rval >>= (24-number_of_bits);
- wordpointer += (bitindex>>3);
- bitindex &= 7;
- return rval;
-}
-
-
-LOCAL unsigned int getbits_fast(short number_of_bits)
-{
- unsigned rval;
-// if(MP3_frames>=7741) printf("getbits_fast: bits=%d bitsleft=%d wordptr=%x\n",number_of_bits,bitsleft,wordpointer);
- if((bitsleft-=number_of_bits)<0) return 0;
- if(!number_of_bits) return 0;
-#if ARCH_X86
- rval = bswap_16(*((uint16_t *)wordpointer));
-#else
- /*
- * we may not be able to address unaligned 16-bit data on non-x86 cpus.
- * Fall back to some portable code.
- */
- rval = wordpointer[0] << 8 | wordpointer[1];
-#endif
- rval <<= bitindex;
- rval &= 0xffff;
- bitindex += number_of_bits;
- rval >>= (16-number_of_bits);
- wordpointer += (bitindex>>3);
- bitindex &= 7;
- return rval;
-}
-
-LOCAL unsigned int get1bit(void)
-{
- unsigned char rval;
-// if(MP3_frames>=7741) printf("get1bit: bitsleft=%d wordptr=%x\n",bitsleft,wordpointer);
- if((--bitsleft)<0) return 0;
- rval = *wordpointer << bitindex;
- bitindex++;
- wordpointer += (bitindex>>3);
- bitindex &= 7;
- return (rval >> 7) & 1;
-}
-
-LOCAL void set_pointer(int backstep)
-{
-// if(backstep!=512 && backstep>fsizeold)
-// printf("\rWarning! backstep (%d>%d) \n",backstep,fsizeold);
- wordpointer = bsbuf + ssize - backstep;
- if (backstep) fast_memcpy(wordpointer,bsbufold+fsizeold-backstep,backstep);
- bitindex = 0;
- bitsleft+=8*backstep;
-// printf("Backstep %d (bitsleft=%d)\n",backstep,bitsleft);
-}
-
-LOCAL int stream_head_read(unsigned char *hbuf,uint32_t *newhead){
- if(mp3_read(hbuf,4) != 4) return FALSE;
-#if ARCH_X86
- *newhead = bswap_32(*((uint32_t*)hbuf));
-#else
- /*
- * we may not be able to address unaligned 32-bit data on non-x86 cpus.
- * Fall back to some portable code.
- */
- *newhead =
- hbuf[0] << 24 |
- hbuf[1] << 16 |
- hbuf[2] << 8 |
- hbuf[3];
-#endif
- return TRUE;
-}
-
-LOCAL int stream_head_shift(unsigned char *hbuf,uint32_t *head){
- *((uint32_t*)hbuf) >>= 8;
- if(mp3_read(hbuf+3,1) != 1) return 0;
- *head <<= 8;
- *head |= hbuf[3];
- return 1;
-}
-
-/*
- * decode a header and write the information
- * into the frame structure
- */
-LOCAL int decode_header(struct frame *fr,uint32_t newhead){
-
- // head_check:
- if( (newhead & 0xffe00000) != 0xffe00000 ||
- (newhead & 0x0000fc00) == 0x0000fc00) return FALSE;
-
- fr->lay = 4-((newhead>>17)&3);
-// if(fr->lay!=3) return FALSE;
-
- if( newhead & (1<<20) ) {
- fr->lsf = (newhead & (1<<19)) ? 0x0 : 0x1;
- fr->mpeg25 = 0;
- } else {
- fr->lsf = 1;
- fr->mpeg25 = 1;
- }
-
- if(fr->mpeg25)
- fr->sampling_frequency = 6 + ((newhead>>10)&0x3);
- else
- fr->sampling_frequency = ((newhead>>10)&0x3) + (fr->lsf*3);
-
- if(fr->sampling_frequency>8) return FALSE; // valid: 0..8
-
- fr->error_protection = ((newhead>>16)&0x1)^0x1;
- fr->bitrate_index = ((newhead>>12)&0xf);
- fr->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;
-
- MP3_channels = fr->stereo = (fr->mode == MPG_MD_MONO) ? 1 : 2;
-
- if(!fr->bitrate_index){
-// fprintf(stderr,"Free format not supported.\n");
- return FALSE;
- }
-
-switch(fr->lay){
- case 2:
- MP3_bitrate=tabsel_123[fr->lsf][1][fr->bitrate_index];
- MP3_samplerate=freqs[fr->sampling_frequency];
- fr->framesize = MP3_bitrate * 144000;
- fr->framesize /= MP3_samplerate;
- MP3_framesize=fr->framesize;
- fr->framesize += fr->padding - 4;
- break;
- case 3:
- if(fr->lsf)
- ssize = (fr->stereo == 1) ? 9 : 17;
- else
- ssize = (fr->stereo == 1) ? 17 : 32;
- if(fr->error_protection) ssize += 2;
-
- MP3_bitrate=tabsel_123[fr->lsf][2][fr->bitrate_index];
- MP3_samplerate=freqs[fr->sampling_frequency];
- fr->framesize = MP3_bitrate * 144000;
- fr->framesize /= MP3_samplerate<<(fr->lsf);
- MP3_framesize=fr->framesize;
- fr->framesize += fr->padding - 4;
- break;
- case 1:
-// fr->jsbound = (fr->mode == MPG_MD_JOINT_STEREO) ? (fr->mode_ext<<2)+4 : 32;
- MP3_bitrate=tabsel_123[fr->lsf][0][fr->bitrate_index];
- MP3_samplerate=freqs[fr->sampling_frequency];
- fr->framesize = MP3_bitrate * 12000;
- fr->framesize /= MP3_samplerate;
- MP3_framesize = ((fr->framesize+fr->padding)<<2);
- fr->framesize = MP3_framesize-4;
-// printf("framesize=%d\n",fr->framesize);
- break;
- default:
- MP3_framesize=fr->framesize=0;
-// fprintf(stderr,"Sorry, unsupported layer type.\n");
- return 0;
-}
- if(fr->framesize<=0 || fr->framesize>MAXFRAMESIZE) return FALSE;
-
- return 1;
-}
-
-
-LOCAL int stream_read_frame_body(int size){
-
- /* flip/init buffer for Layer 3 */
- bsbufold = bsbuf;
- bsbuf = bsspace[bsnum]+512;
- bsnum = (bsnum + 1) & 1;
-
- if( mp3_read(bsbuf,size) != size) return 0; // broken frame
-
- bitindex = 0;
- wordpointer = (unsigned char *) bsbuf;
- bitsleft=8*size;
-
- return 1;
-}
-
-
-/*****************************************************************
- * read next frame return number of frames read.
- */
-LOCAL int read_frame(struct frame *fr){
- uint32_t newhead;
- union {
- unsigned char buf[8];
- unsigned long dummy; // for alignment
- } hbuf;
- int skipped,resyncpos;
- int frames=0;
-
-resync:
- skipped=MP3_fpos;
- resyncpos=MP3_fpos;
-
- set_pointer(512);
- fsizeold=fr->framesize; /* for Layer3 */
- if(!stream_head_read(hbuf.buf,&newhead)) return 0;
- if(!decode_header(fr,newhead)){
- // invalid header! try to resync stream!
-#ifdef DEBUG_RESYNC
- printf("ReSync: searching for a valid header... (pos=%X)\n",MP3_fpos);
-#endif
-retry1:
- while(!decode_header(fr,newhead)){
- if(!stream_head_shift(hbuf.buf,&newhead)) return 0;
- }
- resyncpos=MP3_fpos-4;
- // found valid header
-#ifdef DEBUG_RESYNC
- printf("ReSync: found valid hdr at %X fsize=%ld ",resyncpos,fr->framesize);
-#endif
- if(!stream_read_frame_body(fr->framesize)) return 0; // read body
- set_pointer(512);
- fsizeold=fr->framesize; /* for Layer3 */
- if(!stream_head_read(hbuf.buf,&newhead)) return 0;
- if(!decode_header(fr,newhead)){
- // invalid hdr! go back...
-#ifdef DEBUG_RESYNC
- printf("INVALID\n");
-#endif
-// mp3_seek(resyncpos+1);
- if(!stream_head_read(hbuf.buf,&newhead)) return 0;
- goto retry1;
- }
-#ifdef DEBUG_RESYNC
- printf("OK!\n");
- ++frames;
-#endif
- }
-
- skipped=resyncpos-skipped;
-// if(skipped && !MP3_resync) printf("\r%d bad bytes skipped (resync at 0x%X) \n",skipped,resyncpos);
-
-// printf("%8X [%08X] %d %d (%d)%s%s\n",MP3_fpos-4,newhead,fr->framesize,fr->mode,fr->mode_ext,fr->error_protection?" CRC":"",fr->padding?" PAD":"");
-
- /* read main data into memory */
- if(!stream_read_frame_body(fr->framesize)){
- printf("\nBroken frame at 0x%X \n",resyncpos);
- return 0;
- }
- ++frames;
-
- if(MP3_resync){
- MP3_resync=0;
- if(frames==1) goto resync;
- }
-
- return frames;
-}
-
-static int _has_mmx = 0; // used by layer2.c, layer3.c to pre-scale coeffs
-
-/******************************************************************************/
-/* PUBLIC FUNCTIONS */
-/******************************************************************************/
-
-void (*dct64_MMX_func)(short *, short *, real *);
-
-#include "layer2.c"
-#include "layer3.c"
-#include "layer1.c"
-
-#include "cpudetect.h"
-
-// Init decoder tables. Call first, once!
-#ifdef CONFIG_FAKE_MONO
-void MP3_Init(int fakemono){
-#else
-void MP3_Init(void){
-#endif
-
-//gCpuCaps.hasMMX=gCpuCaps.hasMMX2=gCpuCaps.hasSSE=0; // for testing!
-
- _has_mmx = 0;
- dct36_func = dct36;
-
- make_decode_tables(outscale);
-
-#if HAVE_MMX
- if (gCpuCaps.hasMMX)
- {
- _has_mmx = 1;
- synth_func = synth_1to1_MMX;
- }
-#endif
-
-#if HAVE_AMD3DNOWEXT
- if (gCpuCaps.has3DNowExt)
- {
- dct36_func=dct36_3dnowex;
- dct64_MMX_func= dct64_MMX_3dnowex;
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using 3DNow!Ex optimized decore!\n");
- }
- else
-#endif
-#if HAVE_AMD3DNOW
- if (gCpuCaps.has3DNow)
- {
- dct36_func = dct36_3dnow;
- dct64_MMX_func = dct64_MMX_3dnow;
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using 3DNow! optimized decore!\n");
- }
- else
-#endif
-#if HAVE_SSE
- if (gCpuCaps.hasSSE)
- {
- dct64_MMX_func = dct64_sse;
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using SSE optimized decore!\n");
- }
- else
-#endif
-#if ARCH_X86_32
-#if HAVE_MMX
- if (gCpuCaps.hasMMX)
- {
- dct64_MMX_func = dct64_MMX;
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using MMX optimized decore!\n");
- }
- else
-#endif
- if (gCpuCaps.cpuType >= CPUTYPE_I586)
- {
- synth_func = synth_1to1_pent;
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using Pentium optimized decore!\n");
- }
- else
-#endif /* ARCH_X86_32 */
-#if HAVE_ALTIVEC
- if (gCpuCaps.hasAltiVec)
- {
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using AltiVec optimized decore!\n");
- }
- else
-#endif
- {
- synth_func = NULL; /* use default c version */
- mp_msg(MSGT_DECAUDIO,MSGL_V,"mp3lib: using generic C decore!\n");
- }
-
-#ifdef CONFIG_FAKE_MONO
- if (fakemono == 1)
- fr.synth=synth_1to1_l;
- else if (fakemono == 2)
- fr.synth=synth_1to1_r;
- else
- fr.synth=synth_1to1;
-#else
- fr.synth=synth_1to1;
-#endif
- fr.synth_mono=synth_1to1_mono2stereo;
- fr.down_sample=0;
- fr.down_sample_sblimit = SBLIMIT>>(fr.down_sample);
-
- init_layer2();
- init_layer3(fr.down_sample_sblimit);
- mp_msg(MSGT_DECAUDIO,MSGL_V,"MP3lib: init layer2&3 finished, tables done\n");
-}
-
-#if 0
-
-void MP3_Close(void){
- MP3_eof=1;
- if(mp3_file) fclose(mp3_file);
- mp3_file=NULL;
-}
-
-// Open a file, init buffers. Call once per file!
-int MP3_Open(char *filename,int buffsize){
- MP3_eof=1; // lock decoding
- MP3_pause=1; // lock playing
- if(mp3_file) MP3_Close(); // close prev. file
- MP3_frames=0;
-
- mp3_file=fopen(filename,"rb");
-// printf("MP3_Open: file='%s'",filename);
-// if(!mp3_file){ printf(" not found!\n"); return 0;} else printf("Ok!\n");
- if(!mp3_file) return 0;
-
- MP3_filesize=MP3_PrintTAG();
- fseek(mp3_file,0,SEEK_SET);
-
- MP3_InitBuffers(buffsize);
- if(!tables_done_flag) MP3_Init();
- MP3_eof=0; // allow decoding
- MP3_pause=0; // allow playing
- return MP3_filesize;
-}
-
-#endif
-
-// Read & decode a single frame. Called by sound driver.
-int MP3_DecodeFrame(unsigned char *hova,short single){
- pcm_sample = hova;
- pcm_point = 0;
- if(!read_frame(&fr)) return 0;
- if(single==-2){ set_pointer(512); return 1; }
- if(fr.error_protection) getbits(16); /* skip crc */
- fr.single=single;
- switch(fr.lay){
- case 2: do_layer2(&fr,single);break;
- case 3: do_layer3(&fr,single);break;
- case 1: do_layer1(&fr,single);break;
- default:
- return 0; // unsupported
- }
-// ++MP3_frames;
- return pcm_point ? pcm_point : 2;
-}
-
-// Prints last frame header in ascii.
-void MP3_PrintHeader(void){
- static char *modes[4] = { "Stereo", "Joint-Stereo", "Dual-Channel", "Single-Channel" };
- static char *layers[4] = { "???" , "I", "II", "III" };
-
- mp_msg(MSGT_DECAUDIO,MSGL_V,"\rMPEG %s, Layer %s, %d Hz %d kbit %s, BPF: %d\n",
- fr.mpeg25 ? "2.5" : (fr.lsf ? "2.0" : "1.0"),
- layers[fr.lay],freqs[fr.sampling_frequency],
- tabsel_123[fr.lsf][fr.lay-1][fr.bitrate_index],
- modes[fr.mode],fr.framesize+4);
- mp_msg(MSGT_DECAUDIO,MSGL_V,"Channels: %d, copyright: %s, original: %s, CRC: %s, emphasis: %d\n",
- fr.stereo,fr.copyright?"Yes":"No",
- fr.original?"Yes":"No",fr.error_protection?"Yes":"No",
- fr.emphasis);
-}
-
-#if 0
-#include "genre.h"
-
-// Read & print ID3 TAG. Do not call when playing!!! returns filesize.
-int MP3_PrintTAG(void){
- struct id3tag {
- char tag[3];
- char title[30];
- char artist[30];
- char album[30];
- char year[4];
- char comment[30];
- unsigned char genre;
- };
- struct id3tag tag;
- char title[31]={0,};
- char artist[31]={0,};
- char album[31]={0,};
- char year[5]={0,};
- char comment[31]={0,};
- char genre[31]={0,};
- int fsize;
- int ret;
-
- fseek(mp3_file,0,SEEK_END);
- fsize=ftell(mp3_file);
- if(fseek(mp3_file,-128,SEEK_END)) return fsize;
- ret=fread(&tag,128,1,mp3_file);
- if(ret!=1 || tag.tag[0]!='T' || tag.tag[1]!='A' || tag.tag[2]!='G') return fsize;
-
- strncpy(title,tag.title,30);
- strncpy(artist,tag.artist,30);
- strncpy(album,tag.album,30);
- strncpy(year,tag.year,4);
- strncpy(comment,tag.comment,30);
-
- if ( tag.genre <= sizeof(genre_table)/sizeof(*genre_table) ) {
- strncpy(genre, genre_table[tag.genre], 30);
- } else {
- strncpy(genre,"Unknown",30);
- }
-
-// printf("\n");
- printf("Title : %30s Artist: %s\n",title,artist);
- printf("Album : %30s Year : %4s\n",album,year);
- printf("Comment: %30s Genre : %s\n",comment,genre);
- printf("\n");
- return fsize-128;
-}
-
-#endif
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