static void *create_encoder(const struct PluginCodec_Definition *codec) { CodState *coder; coder = Init_Coder_ld8a(); Init_Pre_Process(coder); return (void *)coder; }
static int tdav_codec_g729ab_open(tmedia_codec_t* self) { tdav_codec_g729ab_t* g729a = (tdav_codec_g729ab_t*)self; // Initialize the decoder bad_lsf = 0; g729a->decoder.synth = (g729a->decoder.synth_buf + M); Init_Decod_ld8a(); Init_Post_Filter(); Init_Post_Process(); /* for G.729B */ Init_Dec_cng(); // Initialize the encoder Init_Pre_Process(); Init_Coder_ld8a(); Set_zero(g729a->encoder.prm, PRM_SIZE + 1); /* for G.729B */ Init_Cod_cng(); return 0; }
int main(int argc, char *argv[] ) { FILE *f_speech; /* File of speech data */ FILE *f_serial; /* File of serial bits for transmission */ extern Word16 *new_speech; /* Pointer to new speech data */ Word16 prm[PRM_SIZE+1]; /* Analysis parameters + frame type */ Word16 serial[SERIAL_SIZE]; /* Output bitstream buffer */ Word16 frame; /* frame counter */ Word32 count_frame; /* For G.729B */ Word16 nb_words; Word16 vad_enable; printf("\n"); printf("*********** ITU G.729A 8 KBIT/S SPEECH CODER ***********\n"); printf(" (WITH ANNEX B) \n"); printf("\n"); printf("------------------- Fixed point C simulation -----------------\n"); printf("\n"); printf("------------ Version 1.5 (Release 2, November 2006) ----------\n"); printf("\n"); /*--------------------------------------------------------------------------* * Open speech file and result file (output serial bit stream) * *--------------------------------------------------------------------------*/ if ( argc != 4 ){ printf("Usage :%s speech_file bitstream_file VAD_flag\n", argv[0]); printf("\n"); printf("Format for speech_file:\n"); printf(" Speech is read from a binary file of 16 bits PCM data.\n"); printf("\n"); printf("Format for bitstream_file:\n"); printf(" One (2-byte) synchronization word \n"); printf(" One (2-byte) size word,\n"); printf(" 80 words (2-byte) containing 80 bits.\n"); printf("\n"); printf("VAD flag:\n"); printf(" 0 to disable the VAD\n"); printf(" 1 to enable the VAD\n"); exit(1); } if ( (f_speech = fopen(argv[1], "rb")) == NULL) { printf("%s - Error opening file %s !!\n", argv[0], argv[1]); exit(0); } printf(" Input speech file: %s\n", argv[1]); if ( (f_serial = fopen(argv[2], "wb")) == NULL) { printf("%s - Error opening file %s !!\n", argv[0], argv[2]); exit(0); } printf(" Output bitstream file: %s\n", argv[2]); vad_enable = (Word16)atoi(argv[3]); if (vad_enable == 1) printf(" VAD enabled\n"); else printf(" VAD disabled\n"); #ifndef OCTET_TX_MODE printf(" OCTET TRANSMISSION MODE is disabled\n"); #endif /*--------------------------------------------------------------------------* * Initialization of the coder. * *--------------------------------------------------------------------------*/ Init_Pre_Process(); Init_Coder_ld8a(); Set_zero(prm, PRM_SIZE+1); /* for G.729B */ Init_Cod_cng(); /* Loop for each "L_FRAME" speech data. */ frame = 0; count_frame = 0L; while( fread(new_speech, sizeof(Word16), L_FRAME, f_speech) == L_FRAME) { printf("Frame = %ld\r", count_frame++); if (frame == 32767) frame = 256; else frame++; Pre_Process(new_speech, L_FRAME); Coder_ld8a(prm, frame, vad_enable); prm2bits_ld8k( prm, serial); nb_words = serial[1] + (Word16)2; fwrite(serial, sizeof(Word16), nb_words, f_serial); } printf("%ld frames processed\n", count_frame); return (0); }
void G729aCoder_Init() { Init_Pre_Process(); Init_Coder_ld8a(); }
int main(int argc, char *argv[] ) { FILE *f_speech; /* File of speech data */ FILE *f_serial; /* File of serial bits for transmission */ extern Word16 *new_speech; /* Pointer to new speech data */ Word16 prm[PRM_SIZE]; /* Analysis parameters. */ Word16 serial[SERIAL_SIZE]; /* Output bitstream buffer */ Word16 frame; /* frame counter */ printf("\n"); printf("*********** ITU G.729A 8 KBIT/S SPEECH CODER ***********\n"); printf("\n"); printf("------------------- Fixed point C simulation -----------------\n"); printf("\n"); printf("------------ Version 1.1 (Release 2, November 2006) --------\n"); printf("\n"); /*--------------------------------------------------------------------------* * Open speech file and result file (output serial bit stream) * *--------------------------------------------------------------------------*/ if ( argc != 3 ) { printf("Usage : coder speech_file bitstream_file\n"); printf("\n"); printf("Format for speech_file:\n"); printf(" Speech is read from a binary file of 16 bits PCM data.\n"); printf("\n"); printf("Format for bitstream_file:\n"); printf(" One (2-byte) synchronization word \n"); printf(" One (2-byte) size word,\n"); printf(" 80 words (2-byte) containing 80 bits.\n"); printf("\n"); exit(1); } if ( (f_speech = fopen(argv[1], "rb")) == NULL) { printf("%s - Error opening file %s !!\n", argv[0], argv[1]); exit(0); } printf(" Input speech file : %s\n", argv[1]); if ( (f_serial = fopen(argv[2], "wb")) == NULL) { printf("%s - Error opening file %s !!\n", argv[0], argv[2]); exit(0); } printf(" Output bitstream file: %s\n", argv[2]); /*--------------------------------------------------------------------------* * Initialization of the coder. * *--------------------------------------------------------------------------*/ Init_Pre_Process(); Init_Coder_ld8a(); Set_zero(prm, PRM_SIZE); /* Loop for each "L_FRAME" speech data. */ frame =0; while( fread(new_speech, sizeof(Word16), L_FRAME, f_speech) == L_FRAME) { printf("Frame =%d\r", frame++); Pre_Process(new_speech, L_FRAME); Coder_ld8a(prm); prm2bits_ld8k( prm, serial); fwrite(serial, sizeof(Word16), SERIAL_SIZE, f_serial); } return (0); }