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authorFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
committerFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
commit3bf9df6b2785fa6d951086978a3e66f49427166a (patch)
tree2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /engine/voice_codecs/speex/source/libspeex/testenc_uwb.c
downloadarchived-source-engine-2018-hl2-src-master.tar.xz
archived-source-engine-2018-hl2-src-master.zip
Diffstat (limited to 'engine/voice_codecs/speex/source/libspeex/testenc_uwb.c')
-rw-r--r--engine/voice_codecs/speex/source/libspeex/testenc_uwb.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/engine/voice_codecs/speex/source/libspeex/testenc_uwb.c b/engine/voice_codecs/speex/source/libspeex/testenc_uwb.c
new file mode 100644
index 0000000..9d83263
--- /dev/null
+++ b/engine/voice_codecs/speex/source/libspeex/testenc_uwb.c
@@ -0,0 +1,106 @@
+#include "speex.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+#define FRAME_SIZE 640
+#include <math.h>
+int main(int argc, char **argv)
+{
+ char *inFile, *outFile, *bitsFile;
+ FILE *fin, *fout, *fbits=NULL;
+ short in[FRAME_SIZE];
+ float input[FRAME_SIZE], bak[FRAME_SIZE], bak2[FRAME_SIZE];
+ char cbits[200];
+ int nbBits;
+ int i;
+ void *st;
+ void *dec;
+ SpeexBits bits;
+ int tmp;
+ int bitCount=0;
+
+ for (i=0;i<FRAME_SIZE;i++)
+ bak2[i]=0;
+ st = speex_encoder_init(&speex_uwb_mode);
+ dec = speex_decoder_init(&speex_uwb_mode);
+
+ tmp=0;
+ /*speex_decoder_ctl(dec, SPEEX_SET_ENH, &tmp);
+ tmp=0;
+ speex_encoder_ctl(st, SPEEX_SET_VBR, &tmp);
+ tmp=10;
+ 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);
+ */
+ 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, "r");
+ outFile = argv[2];
+ fout = fopen(outFile, "w");
+ if (argc==4)
+ {
+ bitsFile = argv[3];
+ fbits = fopen(bitsFile, "w");
+ }
+ speex_bits_init(&bits);
+ while (!feof(fin))
+ {
+ fread(in, sizeof(short), FRAME_SIZE, fin);
+ if (feof(fin))
+ break;
+ for (i=0;i<FRAME_SIZE;i++)
+ bak[i]=input[i]=in[i];
+ speex_bits_reset(&bits);
+ speex_encode(st, input, &bits);
+ nbBits = speex_bits_write(&bits, cbits, 200);
+ bitCount+=bits.nbBits;
+ printf ("Encoding frame in %d bits\n", nbBits*8);
+ if (argc==4)
+ fwrite(cbits, 1, nbBits, fbits);
+ {
+ float enoise=0, esig=0, snr;
+ for (i=0;i<FRAME_SIZE;i++)
+ {
+ enoise+=(bak2[i]-input[i])*(bak2[i]-input[i]);
+ esig += bak2[i]*bak2[i];
+ }
+ snr = 10*log10((esig+1)/(enoise+1));
+ printf ("real SNR = %f\n", snr);
+ }
+ speex_bits_rewind(&bits);
+
+ speex_decode(dec, &bits, input);
+
+ /* Save the bits here */
+ for (i=0;i<FRAME_SIZE;i++)
+ {
+ if (input[i]>32000)
+ input[i]=32000;
+ else if (input[i]<-32000)
+ input[i]=-32000;
+ }
+ speex_bits_reset(&bits);
+ for (i=0;i<FRAME_SIZE;i++)
+ in[i]=(short)input[i];
+ for (i=0;i<FRAME_SIZE;i++)
+ bak2[i]=bak[i];
+ fwrite(in, sizeof(short), FRAME_SIZE, fout);
+ }
+
+ fprintf (stderr, "Total encoded size: %d bits\n", bitCount);
+ speex_encoder_destroy(st);
+ speex_decoder_destroy(dec);
+ speex_bits_destroy(&bits);
+ fclose(fin);
+ fclose(fout);
+ return 1;
+}