hedgewars: misc/libtremor/tremor/mapping0.c@767d3c4153a1 (annotated)

5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	1	/********************************************************************
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	2	* *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	3	* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	4	* *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	5	* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	6	* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	7	* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	8	* *
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	9	* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	10	* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	11	* *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	12	********************************************************************
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	13
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	14	function: channel mapping 0 implementation
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	15
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	16	********************************************************************/
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	17
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	18	#include <stdlib.h>
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	19	#include <stdio.h>
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	20	#include <string.h>
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	21	#include <math.h>
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	22	#include "ogg.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	23	#include "ivorbiscodec.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	24	#include "mdct.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	25	#include "codec_internal.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	26	#include "codebook.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	27	#include "misc.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	28
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	29	void mapping_clear_info(vorbis_info_mapping *info){
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	30	if(info){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	31	if(info->chmuxlist)_ogg_free(info->chmuxlist);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	32	if(info->submaplist)_ogg_free(info->submaplist);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	33	if(info->coupling)_ogg_free(info->coupling);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	34	memset(info,0,sizeof(*info));
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	35	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	36	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	37
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	38	static int ilog(unsigned int v){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	39	int ret=0;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	40	if(v)--v;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	41	while(v){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	42	ret++;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	43	v>>=1;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	44	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	45	return(ret);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	46	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	47
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	48	/* also responsible for range checking */
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	49	int mapping_info_unpack(vorbis_info_mapping info,vorbis_info vi,
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	50	oggpack_buffer *opb){
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	51	int i;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	52	codec_setup_info ci=(codec_setup_info )vi->codec_setup;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	53	memset(info,0,sizeof(*info));
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	54
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	55	if(oggpack_read(opb,1))
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	56	info->submaps=oggpack_read(opb,4)+1;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	57	else
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	58	info->submaps=1;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	59
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	60	if(oggpack_read(opb,1)){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	61	info->coupling_steps=oggpack_read(opb,8)+1;
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	62	info->coupling=
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	63	_ogg_malloc(info->coupling_stepssizeof(info->coupling));
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	64
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	65	for(i=0;i<info->coupling_steps;i++){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	66	int testM=info->coupling[i].mag=oggpack_read(opb,ilog(vi->channels));
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	67	int testA=info->coupling[i].ang=oggpack_read(opb,ilog(vi->channels));
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	68
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	69	if(testM<0 \|\|
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	70	testA<0 \|\|
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	71	testM==testA \|\|
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	72	testM>=vi->channels \|\|
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	73	testA>=vi->channels) goto err_out;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	74	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	75
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	76	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	77
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	78	if(oggpack_read(opb,2)>0)goto err_out; /* 2,3:reserved */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	79
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	80	if(info->submaps>1){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	81	info->chmuxlist=_ogg_malloc(sizeof(info->chmuxlist)vi->channels);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	82	for(i=0;i<vi->channels;i++){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	83	info->chmuxlist[i]=oggpack_read(opb,4);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	84	if(info->chmuxlist[i]>=info->submaps)goto err_out;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	85	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	86	}
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	87
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	88	info->submaplist=_ogg_malloc(sizeof(info->submaplist)info->submaps);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	89	for(i=0;i<info->submaps;i++){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	90	int temp=oggpack_read(opb,8);
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	91	info->submaplist[i].floor=oggpack_read(opb,8);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	92	if(info->submaplist[i].floor>=ci->floors)goto err_out;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	93	info->submaplist[i].residue=oggpack_read(opb,8);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	94	if(info->submaplist[i].residue>=ci->residues)goto err_out;
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	95	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	96
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	97	return 0;
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	98
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	99	err_out:
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	100	mapping_clear_info(info);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	101	return -1;
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	102	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	103
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	104	int mapping_inverse(vorbis_dsp_state vd,vorbis_info_mapping info){
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	105	vorbis_info *vi=vd->vi;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	106	codec_setup_info ci=(codec_setup_info )vi->codec_setup;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	107
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	108	int i,j;
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	109	long n=ci->blocksizes[vd->W];
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	110
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	111	ogg_int32_t **pcmbundle=
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	112	(ogg_int32_t *)alloca(sizeof(pcmbundle)*vi->channels);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	113	int *zerobundle=
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	114	(int )alloca(sizeof(zerobundle)*vi->channels);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	115	int *nonzero=
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	116	(int )alloca(sizeof(nonzero)*vi->channels);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	117	ogg_int32_t **floormemo=
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	118	(void *)alloca(sizeof(floormemo)*vi->channels);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	119
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	120	/* recover the spectral envelope; store it in the PCM vector for now */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	121	for(i=0;i<vi->channels;i++){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	122	int submap=0;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	123	int floorno;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	124
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	125	if(info->submaps>1)
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	126	submap=info->chmuxlist[i];
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	127	floorno=info->submaplist[submap].floor;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	128
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	129	if(ci->floor_type[floorno]){
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	130	/* floor 1 */
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	131	floormemo[i]=alloca(sizeof(floormemo[i])
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	132	floor1_memosize(ci->floor_param[floorno]));
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	133	floormemo[i]=floor1_inverse1(vd,ci->floor_param[floorno],floormemo[i]);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	134	}else{
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	135	/* floor 0 */
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	136	floormemo[i]=alloca(sizeof(floormemo[i])
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	137	floor0_memosize(ci->floor_param[floorno]));
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	138	floormemo[i]=floor0_inverse1(vd,ci->floor_param[floorno],floormemo[i]);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	139	}
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	140
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	141	if(floormemo[i])
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	142	nonzero[i]=1;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	143	else
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	144	nonzero[i]=0;
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	145	memset(vd->work[i],0,sizeof(vd->work[i])n/2);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	146	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	147
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	148	/* channel coupling can 'dirty' the nonzero listing */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	149	for(i=0;i<info->coupling_steps;i++){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	150	if(nonzero[info->coupling[i].mag] \|\|
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	151	nonzero[info->coupling[i].ang]){
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	152	nonzero[info->coupling[i].mag]=1;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	153	nonzero[info->coupling[i].ang]=1;
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	154	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	155	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	156
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	157	/* recover the residue into our working vectors */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	158	for(i=0;i<info->submaps;i++){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	159	int ch_in_bundle=0;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	160	for(j=0;j<vi->channels;j++){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	161	if(!info->chmuxlist \|\| info->chmuxlist[j]==i){
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	162	if(nonzero[j])
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	163	zerobundle[ch_in_bundle]=1;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	164	else
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	165	zerobundle[ch_in_bundle]=0;
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	166	pcmbundle[ch_in_bundle++]=vd->work[j];
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	167	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	168	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	169
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	170	res_inverse(vd,ci->residue_param+info->submaplist[i].residue,
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	171	pcmbundle,zerobundle,ch_in_bundle);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	172	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	173
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	174	//for(j=0;j<vi->channels;j++)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	175	//_analysis_output("coupled",seq+j,vb->pcm[j],-8,n/2,0,0);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	176
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	177	/* channel coupling */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	178	for(i=info->coupling_steps-1;i>=0;i--){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	179	ogg_int32_t *pcmM=vd->work[info->coupling[i].mag];
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	180	ogg_int32_t *pcmA=vd->work[info->coupling[i].ang];
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	181
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	182	for(j=0;j<n/2;j++){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	183	ogg_int32_t mag=pcmM[j];
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	184	ogg_int32_t ang=pcmA[j];
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	185
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	186	if(mag>0)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	187	if(ang>0){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	188	pcmM[j]=mag;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	189	pcmA[j]=mag-ang;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	190	}else{
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	191	pcmA[j]=mag;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	192	pcmM[j]=mag+ang;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	193	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	194	else
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	195	if(ang>0){
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	196	pcmM[j]=mag;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	197	pcmA[j]=mag+ang;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	198	}else{
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	199	pcmA[j]=mag;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	200	pcmM[j]=mag-ang;
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	201	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	202	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	203	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	204
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	205	//for(j=0;j<vi->channels;j++)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	206	//_analysis_output("residue",seq+j,vb->pcm[j],-8,n/2,0,0);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	207
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	208	/* compute and apply spectral envelope */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	209	for(i=0;i<vi->channels;i++){
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	210	ogg_int32_t *pcm=vd->work[i];
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	211	int submap=0;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	212	int floorno;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	213
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	214	if(info->submaps>1)
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	215	submap=info->chmuxlist[i];
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	216	floorno=info->submaplist[submap].floor;
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	217
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	218	if(ci->floor_type[floorno]){
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	219	/* floor 1 */
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	220	floor1_inverse2(vd,ci->floor_param[floorno],floormemo[i],pcm);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	221	}else{
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	222	/* floor 0 */
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	223	floor0_inverse2(vd,ci->floor_param[floorno],floormemo[i],pcm);
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	224	}
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	225	}
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	226
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	227	//for(j=0;j<vi->channels;j++)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	228	//_analysis_output("mdct",seq+j,vb->pcm[j],-24,n/2,0,1);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	229
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	230	/* transform the PCM data; takes PCM vector, vb; modifies PCM vector */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	231	/* only MDCT right now.... */
7697 767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	232	for(i=0;i<vi->channels;i++)
767d3c4153a1 switch the Tremor implementation from the Cocos2D one to the lowmem-no-byte branch and let's see what happens koda parents: 6045 diff changeset	233	mdct_backward(n,vd->work[i]);
5170 f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	234
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	235	//for(j=0;j<vi->channels;j++)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	236	//_analysis_output("imdct",seq+j,vb->pcm[j],-24,n,0,0);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	237
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	238	/* all done! */
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	239	return(0);
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project koda parents: diff changeset	240	}

author	koda
	Fri, 21 Sep 2012 00:50:04 +0200
changeset 7697	767d3c4153a1
parent 6045	9a7cc0f29430
child 7849	a12155461b34
permissions	-rw-r--r--