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linphone_g729.c
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linphone_g729.c
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/*
mediastreamer2 library - modular sound and video processing and streaming
Copyright (C) 2006 Simon MORLAT (simon.morlat@linphone.org)
enable linphone to using ADI's libbfgdots g729 lib.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define IPPCORE_NO_SSE
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "mediastreamer2/msfilter.h"
#include <ipp_w7.h>
#include <ippcore.h>
#include <ipps.h>
#include <ippsc.h>
#include "g729fpapi.h"
#include "owng729fp.h"
#include "usc_cdcs.h"
#include "usc.h"
#define FMT_PACKED 0
#define FMT_UNPACKED 1
#define _ADSP_G729_H_LEN 2
#define _PCK_BITSTREAM_LEN 80
#define _PCK_BITSTREAM_LEN_BYTES (_PCK_BITSTREAM_LEN/8)
#define _PCK_LEN_MS 10
#define _SAMPLES (_PCK_LEN_MS * 8)
#define _PCK_SIZE (_SAMPLES * sizeof(short))
struct translator_pvt {
USC_CodecInfo pInfo;
USC_Handle codec; /* the encoder or decoder handle */
USC_MemBank* pBanks;
USC_PCMStream pcmStream; /* Signed linear data */
USC_Bitstream bitStream; /* G.729 bits */
int nbanks;
int maxbitsize;
//int inFrameSize;
//int outFrameSize;
short pcm_buf[160];
unsigned char bitstream_buf[20];
int tail;
};
#define g729_coder_pvt translator_pvt
static USC_Fxns *USC_CODEC_Fxns = NULL;
static struct g729_coder_pvt *enc_pvt = NULL;
static struct g729_coder_pvt *dec_pvt = NULL;
typedef struct EncState{
uint32_t ts;
int enc_vad;
int pck_len;
MSBufferizer *bufferizer; /* a queue */
} EncState;
static void enc_init(MSFilter *f){
int i;
USC_Status result;
EncState *s=ms_new(EncState, 1);
ippStaticInit();
if(!USC_CODEC_Fxns)
USC_CODEC_Fxns = &USC_G729AFP_Fxns;
memset(s, 0 , sizeof(*s));
s->enc_vad = 0;
s->ts=0;
s->pck_len = 20;
s->bufferizer=ms_bufferizer_new();
f->data=s;
enc_pvt = malloc(sizeof(struct g729_coder_pvt));
memset((void *)enc_pvt, 0, sizeof(struct g729_coder_pvt));
if(enc_pvt) {
result = USC_CODEC_Fxns->std.GetInfo((USC_Handle)NULL, &enc_pvt->pInfo);
enc_pvt->pInfo.params.modes.truncate = 1;
enc_pvt->pInfo.params.direction = 0;
enc_pvt->pInfo.params.modes.vad = 0;
result = USC_CODEC_Fxns->std.NumAlloc((const void *)&(enc_pvt->pInfo.params), &(enc_pvt->nbanks));
enc_pvt->pBanks = NULL;
enc_pvt->pBanks = (USC_MemBank*)ippsMalloc_8u(sizeof(USC_MemBank)*(enc_pvt->nbanks));
if(!enc_pvt->pBanks) {
ms_warning("enc_init malloc failed allocating %d bytes", sizeof(USC_MemBank)*(enc_pvt->nbanks));
return;
}
memset((void *)enc_pvt->pBanks, 0, sizeof(USC_MemBank)*(enc_pvt->nbanks));
result = USC_CODEC_Fxns->std.MemAlloc((const void *)&(enc_pvt->pInfo.params), enc_pvt->pBanks);
for(i=0; i<enc_pvt->nbanks;i++) {
if(enc_pvt->pBanks->nbytes > 0){
if(!(enc_pvt->pBanks[i].pMem = ippsMalloc_8u(enc_pvt->pBanks->nbytes))) {
ms_warning("enc_init malloc failed allocating %d bytes", enc_pvt->pBanks->nbytes);
return;
}else{
memset((void *)enc_pvt->pBanks[i].pMem, 0, enc_pvt->pBanks->nbytes);
}
}else{
ms_warning("enc_init enc_pvt->pBanks->nbytes %d\n", enc_pvt->pBanks->nbytes);
return;
}
}
//enc_pvt->inFrameSize = getInFrameSize();
//enc_pvt->outFrameSize = getOutFrameSize();
/* enc_pvt->bitstream_buf = ippsMalloc_8s(enc_pvt->pInfo.maxbitsize); */
enc_pvt->pcmStream.bitrate = enc_pvt->pInfo.params.modes.bitrate;
enc_pvt->maxbitsize = enc_pvt->pInfo.maxbitsize;
result = USC_CODEC_Fxns->std.Init((const void *)&(enc_pvt->pInfo.params), enc_pvt->pBanks, &(enc_pvt->codec));
#ifndef IPPCORE_NO_SSE
ippCoreSetFlushToZero( 1, NULL );
#endif
enc_pvt->pcmStream.pcmType.bitPerSample = enc_pvt->pInfo.pcmType.bitPerSample;
enc_pvt->pcmStream.nbytes = 160;
enc_pvt->pcmStream.pcmType.sample_frequency = enc_pvt->pInfo.pcmType.sample_frequency;
enc_pvt->bitStream.nbytes = enc_pvt->maxbitsize;
enc_pvt->bitStream.pBuffer = enc_pvt->bitstream_buf;
result = USC_CODEC_Fxns->std.Reinit((const void *)&(enc_pvt->pInfo.params.modes), enc_pvt->codec);
enc_pvt->tail = 0;
}
}
static void enc_uninit(MSFilter *f){
int i;
EncState *s=(EncState*)f->data;
ms_bufferizer_destroy(s->bufferizer);
ms_free(s);
for(i = 0; i < enc_pvt->nbanks; i++) {
if(enc_pvt->pBanks[i].pMem)
ippsFree(enc_pvt->pBanks[i].pMem);
enc_pvt->pBanks[i].pMem=NULL;
}
if(enc_pvt->pBanks)
ippsFree(enc_pvt->pBanks);
free(enc_pvt);
}
static void enc_process(MSFilter *f){
EncState *s=(EncState*)f->data;
mblk_t *im;
const int n_pck = s->pck_len/_PCK_LEN_MS;
int pck=0;
short ibuf[160];
int obuf_len_byte = n_pck * _PCK_BITSTREAM_LEN_BYTES;
while((im=ms_queue_get(f->inputs[0]))!=NULL){
ms_bufferizer_put(s->bufferizer,im);
}
enc_pvt->tail = 0;
while(ms_bufferizer_read(s->bufferizer,(uint8_t*)ibuf,sizeof(ibuf))==sizeof(ibuf)) {
mblk_t *om=allocb(obuf_len_byte,0);
memset(om->b_wptr, 0 , obuf_len_byte);
memcpy((enc_pvt->pcm_buf + enc_pvt->tail), ibuf, sizeof(ibuf));
enc_pvt->tail += sizeof(ibuf)/2;
for (pck=0;pck<n_pck;++pck){
/* Copy the frame to workspace, then encode it */
enc_pvt->pcmStream.pBuffer = (char *)enc_pvt->pcm_buf;
enc_pvt->bitStream.pBuffer = om->b_wptr;
USC_CODEC_Fxns->Encode (enc_pvt->codec, &enc_pvt->pcmStream, &enc_pvt->bitStream);
enc_pvt->tail -= 80;
if(enc_pvt->tail)
memmove(enc_pvt->pcm_buf, enc_pvt->pcm_buf + 80, enc_pvt->tail * 2);
om->b_wptr+=_PCK_BITSTREAM_LEN_BYTES;
}
mblk_set_timestamp_info(om,s->ts);
ms_queue_put(f->outputs[0],om); /* one frame per packet */
s->ts+=sizeof(ibuf)/sizeof(short);
}
}
#ifdef _MSC_VER
MSFilterDesc ms_g729_enc_desc={
MS_G729_ENC_ID,
"MSG729Enc",
"The G729a(b) codec",
MS_FILTER_ENCODER,
"g729",
1,
1,
enc_init,
NULL,
enc_process,
NULL,
enc_uninit,
NULL
};
#else
MSFilterDesc ms_g729_enc_desc={
.id=MS_G729_ENC_ID,
.name="MSG729Enc",
.text="The G729a(b) codec",
.category=MS_FILTER_ENCODER,
.enc_fmt="g729",
.ninputs=1,
.noutputs=1,
.init=enc_init,
.process=enc_process,
.uninit=enc_uninit,
};
#endif
static void dec_init(MSFilter *f){
int i;
USC_Status result;
ippStaticInit();
if(!USC_CODEC_Fxns)
USC_CODEC_Fxns = &USC_G729AFP_Fxns;
dec_pvt = malloc(sizeof(struct g729_coder_pvt));
memset((void *)dec_pvt, 0, sizeof(struct g729_coder_pvt));
if(dec_pvt) {
result = USC_CODEC_Fxns->std.GetInfo((USC_Handle)NULL, &(dec_pvt->pInfo));
//dec_pvt->pInfo.params.modes.bitrate = 0;
dec_pvt->pInfo.params.modes.bitrate = 8000;
dec_pvt->pInfo.params.modes.truncate = 1;
dec_pvt->pInfo.params.direction = 1;
/* dec_pvt->bitstream_buf = ippsMalloc_8s(size); */
result = USC_CODEC_Fxns->std.NumAlloc((const void *)&(dec_pvt->pInfo.params), &(dec_pvt->nbanks));
dec_pvt->pBanks = NULL;
dec_pvt->pBanks = (USC_MemBank*)ippsMalloc_8u(sizeof(USC_MemBank)*(dec_pvt->nbanks));
if(!dec_pvt->pBanks) {
ms_warning("dec_init malloc failed allocating %d bytes", sizeof(USC_MemBank)*(dec_pvt->nbanks));
return;
}else{
memset((void *)dec_pvt->pBanks, 0, sizeof(USC_MemBank)*(dec_pvt->nbanks));
}
dec_pvt->pInfo.params.direction = 1;
result = USC_CODEC_Fxns->std.MemAlloc((const void *)&(dec_pvt->pInfo.params), dec_pvt->pBanks);
for(i=0; i<dec_pvt->nbanks;i++) {
if(dec_pvt->pBanks->nbytes>0){
if(!(dec_pvt->pBanks[i].pMem = ippsMalloc_8u(dec_pvt->pBanks->nbytes))) {
ms_warning("dec_init malloc failed allocating %d bytes", dec_pvt->pBanks->nbytes);
return;
}
}else{
ms_warning("dec_init dec_pvt->pBanks->nbytes %d\n", dec_pvt->pBanks->nbytes);
return;
}
}
//dec_pvt->outFrameSize = getOutFrameSize();
/* pcm_buf ippsMalloc_8s(getOutFrameSize()); */
dec_pvt->maxbitsize = dec_pvt->pInfo.maxbitsize;
result = USC_CODEC_Fxns->std.Init((const void *)&(dec_pvt->pInfo.params), dec_pvt->pBanks, &(dec_pvt->codec));
#ifndef IPPCORE_NO_SSE
ippCoreSetFlushToZero( 1, NULL );
#endif
dec_pvt->bitStream.nbytes = dec_pvt->maxbitsize;
//dec_pvt->bitStream.bitrate = 0;
dec_pvt->bitStream.bitrate = 8000;
dec_pvt->bitStream.frametype = 3;
dec_pvt->pcmStream.pBuffer = (char *)dec_pvt->pcm_buf;
dec_pvt->pcmStream.pcmType.bitPerSample = 0;
dec_pvt->pcmStream.pcmType.sample_frequency = 0;
result = USC_CODEC_Fxns->std.Reinit((const void *)&(dec_pvt->pInfo.params.modes), dec_pvt->codec);
dec_pvt->tail = 0;
}
return;
}
static void dec_uninit(MSFilter *f){
int i;
for(i = 0; i < dec_pvt->nbanks; i++) {
if(dec_pvt->pBanks){
if(dec_pvt->pBanks[i].pMem)
ippsFree(dec_pvt->pBanks[i].pMem);
dec_pvt->pBanks[i].pMem=NULL;
}
}
if(dec_pvt->pBanks)
ippsFree(dec_pvt->pBanks);
free(dec_pvt);
}
static void dec_process(MSFilter *f){
mblk_t *im;
mblk_t *om;
//int i,byte,bit;
//short _pck[_ADSP_G729_H_LEN + _PCK_BITSTREAM_LEN];
dec_pvt->tail = 0;
while((im=ms_queue_get(f->inputs[0]))!=NULL){
while (im->b_wptr - im->b_rptr >= _PCK_BITSTREAM_LEN_BYTES){
om=allocb(_PCK_SIZE,0); /* 80 * 2 */
dec_pvt->bitStream.pBuffer = (char *)im->b_rptr;
dec_pvt->pcmStream.pBuffer = (char *)(dec_pvt->pcm_buf + dec_pvt->tail);
USC_CODEC_Fxns->Decode(dec_pvt->codec, &dec_pvt->bitStream, &dec_pvt->pcmStream);
/*copy g729 data from dec_pvt->pcmStream to om*/
memcpy(om->b_wptr, dec_pvt->pcm_buf+dec_pvt->tail, _PCK_SIZE);
om->b_wptr += _PCK_SIZE;
ms_queue_put(f->outputs[0],om);
im->b_rptr += 10;
dec_pvt->tail += 80;
}
freemsg(im);
dec_pvt->tail = 0;
}
}
#ifdef _MSC_VER
MSFilterDesc ms_g729_dec_desc={
MS_G729_DEC_ID,
"MSG729Dec",
"The G729 codec",
MS_FILTER_DECODER,
"g729",
1,
1,
dec_init,
NULL,
dec_process,
NULL,
dec_uninit,
NULL
};
#else
MSFilterDesc ms_g729_dec_desc={
.id=MS_G729_DEC_ID,
.name="MSG729Dec",
.text="The G729 codec",
.category=MS_FILTER_DECODER,
.enc_fmt="g729",
.ninputs=1,
.noutputs=1,
.init=dec_init,
.process=dec_process,
.uninit=dec_uninit
};
#endif
MS_FILTER_DESC_EXPORT(ms_g729_dec_desc)
MS_FILTER_DESC_EXPORT(ms_g729_enc_desc)