forked from Mirrors/freeswitch
dced381e66
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3759 d0543943-73ff-0310-b7d9-9358b9ac24b2
243 lines
7.3 KiB
C
243 lines
7.3 KiB
C
/* Copyright (C) 2005 Psi Systems, Inc.
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Author: Jean-Marc Valin
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File: testenc-TI-C64x.c
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Encoder/Decoder Loop Main file for TI TMS320C64xx processor
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for use with TI Code Composer (TM) DSP development tools.
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Modified from speexlib/testenc.c
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <speex/speex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <speex/speex_callbacks.h>
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#undef DECODE_ONLY
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#define CHECK_RESULT /* Compares original file with encoded/decoder file */
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#define TESTENC_BYTES_PER_FRAME 20 /* 8kbps */
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#define TESTENC_QUALITY 4 /* 8kbps */
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//#define TESTENC_BYTES_PER_FRAME 28 /* 11kbps */
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//#define TESTENC_QUALITY 5 /* 11 kbps */
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/* For narrowband, QUALITY maps to these bit rates (see modes.c, manual.pdf)
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* {1, 8, 2, 3, 3, 4, 4, 5, 5, 6, 7}
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* 0 -> 2150
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* 1 -> 3950
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* 2 -> 5950
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* 3 -> 8000
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* 4 -> 8000
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* 5 -> 11000
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* 6 -> 11000
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* 7 -> 15000
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* 8 -> 15000
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* 9 -> 18200
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*10 -> 26400 */
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#ifdef FIXED_DEBUG
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extern long long spx_mips;
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#endif
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#ifdef MANUAL_ALLOC
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/* Take all Speex space from this private heap */
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/* This is useful for multichannel applications */
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#pragma DATA_SECTION(spxHeap, ".myheap");
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static char spxHeap[SPEEX_PERSIST_STACK_SIZE];
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#pragma DATA_SECTION(spxScratch, ".myheap");
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static char spxScratch[SPEEX_SCRATCH_STACK_SIZE];
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char *spxGlobalHeapPtr, *spxGlobalHeapEnd;
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char *spxGlobalScratchPtr, *spxGlobalScratchEnd;
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#endif /* MANUAL_ALLOC */
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#include <math.h>
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void main()
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{
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char *outFile, *bitsFile;
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FILE *fout, *fbits=NULL;
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#if !defined(DECODE_ONLY) || defined(CHECK_RESULT)
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char *inFile;
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FILE *fin;
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short in_short[FRAME_SIZE];
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#endif
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short out_short[FRAME_SIZE];
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#ifndef DECODE_ONLY
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int nbBits;
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#endif
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#ifdef CHECK_RESULT
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float sigpow,errpow,snr, seg_snr=0;
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int snr_frames = 0;
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int i;
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#endif
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char cbits[200];
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void *st;
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void *dec;
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SpeexBits bits;
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spx_int32_t tmp;
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unsigned long bitCount=0;
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spx_int32_t skip_group_delay;
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SpeexCallback callback;
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#ifdef CHECK_RESULT
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sigpow = 0;
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errpow = 0;
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#endif
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#ifdef MANUAL_ALLOC
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spxGlobalHeapPtr = spxHeap;
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spxGlobalHeapEnd = spxHeap + sizeof(spxHeap);
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spxGlobalScratchPtr = spxScratch;
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spxGlobalScratchEnd = spxScratch + sizeof(spxScratch);
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#endif
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st = speex_encoder_init(&speex_nb_mode);
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#ifdef MANUAL_ALLOC
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spxGlobalScratchPtr = spxScratch; /* Reuse scratch for decoder */
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#endif
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dec = speex_decoder_init(&speex_nb_mode);
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callback.callback_id = SPEEX_INBAND_CHAR;
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callback.func = speex_std_char_handler;
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callback.data = stderr;
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speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback);
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callback.callback_id = SPEEX_INBAND_MODE_REQUEST;
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callback.func = speex_std_mode_request_handler;
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callback.data = st;
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speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback);
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tmp=0;
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speex_decoder_ctl(dec, SPEEX_SET_ENH, &tmp);
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tmp=0;
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speex_encoder_ctl(st, SPEEX_SET_VBR, &tmp);
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tmp=TESTENC_QUALITY;
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speex_encoder_ctl(st, SPEEX_SET_QUALITY, &tmp);
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tmp=1; /* Lowest */
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speex_encoder_ctl(st, SPEEX_SET_COMPLEXITY, &tmp);
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speex_encoder_ctl(st, SPEEX_GET_LOOKAHEAD, &skip_group_delay);
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speex_decoder_ctl(dec, SPEEX_GET_LOOKAHEAD, &tmp);
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skip_group_delay += tmp;
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fprintf (stderr, "decoder lookahead = %d\n", skip_group_delay);
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#ifdef DECODE_ONLY
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bitsFile = "c:\\speextrunktest\\samples\\malebitsin.dat";
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fbits = fopen(bitsFile, "rb");
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#else
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bitsFile = "c:\\speextrunktest\\samples\\malebits6x.dat";
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fbits = fopen(bitsFile, "wb");
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#endif
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#if !defined(DECODE_ONLY) || defined(CHECK_RESULT)
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inFile = "c:\\speextrunktest\\samples\\male.snd";
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fin = fopen(inFile, "rb");
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#endif
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outFile = "c:\\speextrunktest\\samples\\maleout6x.snd";
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fout = fopen(outFile, "wb+");
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speex_bits_init(&bits);
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#ifndef DECODE_ONLY
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while (!feof(fin))
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{
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fread(in_short, sizeof(short), FRAME_SIZE, fin);
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if (feof(fin))
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break;
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speex_bits_reset(&bits);
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speex_encode_int(st, in_short, &bits);
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nbBits = speex_bits_write(&bits, cbits, 200);
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bitCount+=bits.nbBits;
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fwrite(cbits, 1, nbBits, fbits);
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speex_bits_rewind(&bits);
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#else /* DECODE_ONLY */
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while (!feof(fbits))
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{
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fread(cbits, 1, TESTENC_BYTES_PER_FRAME, fbits);
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if (feof(fbits))
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break;
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speex_bits_read_from(&bits, cbits, TESTENC_BYTES_PER_FRAME);
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// bitCount+=160; /* only correct for 8kbps, but just for the printf */
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bitCount+=bits.nbBits;
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#endif
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speex_decode_int(dec, &bits, out_short);
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speex_bits_reset(&bits);
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fwrite(&out_short[skip_group_delay], sizeof(short), FRAME_SIZE-skip_group_delay, fout);
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skip_group_delay = 0;
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#if 1
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fprintf (stderr, "Bits so far: %lu \n", bitCount);
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#endif
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}
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fprintf (stderr, "Total encoded size: %lu bits\n", bitCount);
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speex_encoder_destroy(st);
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speex_decoder_destroy(dec);
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#ifdef CHECK_RESULT
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rewind(fin);
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rewind(fout);
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while ( FRAME_SIZE == fread(in_short, sizeof(short), FRAME_SIZE, fin)
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&&
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FRAME_SIZE == fread(out_short, sizeof(short), FRAME_SIZE,fout) )
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{
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float s=0, e=0;
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for (i=0;i<FRAME_SIZE;++i) {
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s += (float)in_short[i] * in_short[i];
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e += ((float)in_short[i]-out_short[i]) * ((float)in_short[i]-out_short[i]);
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}
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seg_snr += 10*log10((s+160)/(e+160));
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sigpow += s;
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errpow += e;
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snr_frames++;
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}
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snr = 10 * log10( sigpow / errpow );
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seg_snr /= snr_frames;
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fprintf(stderr,"SNR = %f\nsegmental SNR = %f\n",snr, seg_snr);
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#ifdef FIXED_DEBUG
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printf ("Total: %f MIPS\n", (float)(1e-6*50*spx_mips/snr_frames));
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#endif
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#endif /* CHECK_RESULT */
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#if !defined(DECODE_ONLY) || defined(CHECK_RESULT)
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fclose(fin);
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#endif
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fclose(fout);
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fclose(fbits);
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}
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