Upgraded Speex version to the latest and reorganized it in local copy (since Speex is now using Git)
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2002 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/third_party/speex/libspeex/testenc_wb.c b/third_party/speex/libspeex/testenc_wb.c
new file mode 100644
index 0000000..3f13184
--- /dev/null
+++ b/third_party/speex/libspeex/testenc_wb.c
@@ -0,0 +1,140 @@
+#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 320
+#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];
+ float sigpow,errpow,snr, seg_snr=0;
+ 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;
+
+ sigpow = 0;
+ errpow = 0;
+
+ st = speex_encoder_init(speex_lib_get_mode(SPEEX_MODEID_WB));
+ dec = speex_decoder_init(speex_lib_get_mode(SPEEX_MODEID_WB));
+
+ 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);
+
+ 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=3;
+ speex_encoder_ctl(st, SPEEX_SET_COMPLEXITY, &tmp);
+ /*tmp=3;
+ speex_encoder_ctl(st, SPEEX_SET_HIGH_MODE, &tmp);
+ tmp=6;
+ speex_encoder_ctl(st, SPEEX_SET_LOW_MODE, &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);
+
+ 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++;
+ }
+ fclose(fin);
+ fclose(fout);
+
+ 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
+
+ return 1;
+}