diff options
Diffstat (limited to 'src/libspeex/testenc.c')
-rw-r--r-- | src/libspeex/testenc.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/libspeex/testenc.c b/src/libspeex/testenc.c deleted file mode 100644 index 44c132f1..00000000 --- a/src/libspeex/testenc.c +++ /dev/null @@ -1,146 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <speex/speex.h> -#include <stdio.h> -#include <stdlib.h> -#include <speex/speex_callbacks.h> - -#ifdef FIXED_DEBUG -extern long long spx_mips; -#endif - -#define FRAME_SIZE 160 -#include <math.h> -int main(int argc, char **argv) -{ - char *inFile, *outFile, *bitsFile; - FILE *fin, *fout, *fbits=NULL; - short in_short[FRAME_SIZE]; - short out_short[FRAME_SIZE]; - int snr_frames = 0; - char cbits[200]; - int nbBits; - int i; - void *st; - void *dec; - SpeexBits bits; - spx_int32_t tmp; - int bitCount=0; - spx_int32_t skip_group_delay; - SpeexCallback callback; - - st = speex_encoder_init(speex_lib_get_mode(SPEEX_MODEID_NB)); - dec = speex_decoder_init(speex_lib_get_mode(SPEEX_MODEID_NB)); - - /* BEGIN: You probably don't need the following in a real application */ - callback.callback_id = SPEEX_INBAND_CHAR; - callback.func = speex_std_char_handler; - callback.data = stderr; - speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback); - - callback.callback_id = SPEEX_INBAND_MODE_REQUEST; - callback.func = speex_std_mode_request_handler; - callback.data = st; - speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback); - /* END of unnecessary stuff */ - - tmp=1; - speex_decoder_ctl(dec, SPEEX_SET_ENH, &tmp); - tmp=0; - speex_encoder_ctl(st, SPEEX_SET_VBR, &tmp); - tmp=8; - speex_encoder_ctl(st, SPEEX_SET_QUALITY, &tmp); - tmp=1; - speex_encoder_ctl(st, SPEEX_SET_COMPLEXITY, &tmp); - - /* Turn this off if you want to measure SNR (on by default) */ - tmp=1; - speex_encoder_ctl(st, SPEEX_SET_HIGHPASS, &tmp); - speex_decoder_ctl(dec, SPEEX_SET_HIGHPASS, &tmp); - - speex_encoder_ctl(st, SPEEX_GET_LOOKAHEAD, &skip_group_delay); - speex_decoder_ctl(dec, SPEEX_GET_LOOKAHEAD, &tmp); - skip_group_delay += tmp; - - if (argc != 4 && argc != 3) - { - fprintf (stderr, "Usage: encode [in file] [out file] [bits file]\nargc = %d", argc); - exit(1); - } - inFile = argv[1]; - fin = fopen(inFile, "rb"); - outFile = argv[2]; - fout = fopen(outFile, "wb+"); - if (argc==4) - { - bitsFile = argv[3]; - fbits = fopen(bitsFile, "wb"); - } - speex_bits_init(&bits); - while (!feof(fin)) - { - fread(in_short, sizeof(short), FRAME_SIZE, fin); - if (feof(fin)) - break; - speex_bits_reset(&bits); - - speex_encode_int(st, in_short, &bits); - nbBits = speex_bits_write(&bits, cbits, 200); - bitCount+=bits.nbBits; - - if (argc==4) - fwrite(cbits, 1, nbBits, fbits); - speex_bits_rewind(&bits); - - speex_decode_int(dec, &bits, out_short); - speex_bits_reset(&bits); - - fwrite(&out_short[skip_group_delay], sizeof(short), FRAME_SIZE-skip_group_delay, fout); - skip_group_delay = 0; - } - fprintf (stderr, "Total encoded size: %d bits\n", bitCount); - speex_encoder_destroy(st); - speex_decoder_destroy(dec); - speex_bits_destroy(&bits); - -#ifndef DISABLE_FLOAT_API - { - float sigpow,errpow,snr, seg_snr=0; - sigpow = 0; - errpow = 0; - - /* This code just computes SNR, so you don't need it either */ - rewind(fin); - rewind(fout); - - while ( FRAME_SIZE == fread(in_short, sizeof(short), FRAME_SIZE, fin) - && - FRAME_SIZE == fread(out_short, sizeof(short), FRAME_SIZE,fout) ) - { - float s=0, e=0; - for (i=0;i<FRAME_SIZE;++i) { - s += (float)in_short[i] * in_short[i]; - e += ((float)in_short[i]-out_short[i]) * ((float)in_short[i]-out_short[i]); - } - seg_snr += 10*log10((s+160)/(e+160)); - sigpow += s; - errpow += e; - snr_frames++; - } - snr = 10 * log10( sigpow / errpow ); - seg_snr /= snr_frames; - fprintf(stderr,"SNR = %f\nsegmental SNR = %f\n",snr, seg_snr); - -#ifdef FIXED_DEBUG - printf ("Total: %f MIPS\n", (float)(1e-6*50*spx_mips/snr_frames)); -#endif - } -#endif - - fclose(fin); - fclose(fout); - - return 0; -} |