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Using opus_int16 instead of short in LPCNet code

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Jean-Marc Valin 2023-06-22 18:06:38 -04:00
parent abe817c3fc
commit b64a89feca
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GPG key ID: 531A52533318F00A
7 changed files with 36 additions and 46 deletions
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30
dnn/lpcnet.h
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@ -27,7 +27,7 @@
#ifndef _LPCNET_H_
#define _LPCNET_H_
#include "opus_types.h"
#define NB_FEATURES 20
#define NB_TOTAL_FEATURES 36
@ -73,10 +73,10 @@ void lpcnet_decoder_destroy(LPCNetDecState *st);
/** Decodes a packet of LPCNET_COMPRESSED_SIZE bytes (currently 8) into LPCNET_PACKET_SAMPLES samples (currently 640).
* @param [in] st <tt>LPCNetDecState*</tt>: Decoder state
* @param [in] buf <tt>const unsigned char *</tt>: Compressed packet
* @param [out] pcm <tt>short *</tt>: Decoded audio
* @param [out] pcm <tt>opus_int16 *</tt>: Decoded audio
* @retval 0 Success
*/
int lpcnet_decode(LPCNetDecState *st, const unsigned char *buf, short *pcm);
int lpcnet_decode(LPCNetDecState *st, const unsigned char *buf, opus_int16 *pcm);
@ -106,27 +106,19 @@ void lpcnet_encoder_destroy(LPCNetEncState *st);
/** Encodes LPCNET_PACKET_SAMPLES speech samples (currently 640) into a packet of LPCNET_COMPRESSED_SIZE bytes (currently 8).
* @param [in] st <tt>LPCNetDecState*</tt>: Encoder state
* @param [in] pcm <tt>short *</tt>: Input speech to be encoded
* @param [in] pcm <tt>opus_int16 *</tt>: Input speech to be encoded
* @param [out] buf <tt>const unsigned char *</tt>: Compressed packet
* @retval 0 Success
*/
int lpcnet_encode(LPCNetEncState *st, const short *pcm, unsigned char *buf);
/** Compute features on LPCNET_PACKET_SAMPLES speech samples (currently 640) and output features for 4 10-ms frames at once.
* @param [in] st <tt>LPCNetDecState*</tt>: Encoder state
* @param [in] pcm <tt>short *</tt>: Input speech to be analyzed
* @param [out] features <tt>float[4][NB_TOTAL_FEATURES]</tt>: Four feature vectors
* @retval 0 Success
*/
int lpcnet_compute_features(LPCNetEncState *st, const short *pcm, float features[4][NB_TOTAL_FEATURES]);
int lpcnet_encode(LPCNetEncState *st, const opus_int16 *pcm, unsigned char *buf);
/** Compute features on LPCNET_FRAME_SIZE speech samples (currently 160) and output features for one 10-ms frame.
* @param [in] st <tt>LPCNetDecState*</tt>: Encoder state
* @param [in] pcm <tt>short *</tt>: Input speech to be analyzed
* @param [in] pcm <tt>opus_int16 *</tt>: Input speech to be analyzed
* @param [out] features <tt>float[NB_TOTAL_FEATURES]</tt>: Four feature vectors
* @retval 0 Success
*/
int lpcnet_compute_single_frame_features(LPCNetEncState *st, const short *pcm, float features[NB_TOTAL_FEATURES]);
int lpcnet_compute_single_frame_features(LPCNetEncState *st, const opus_int16 *pcm, float features[NB_TOTAL_FEATURES]);
/** Compute features on LPCNET_FRAME_SIZE speech samples (currently 160) and output features for one 10-ms frame.
@ -164,11 +156,11 @@ void lpcnet_destroy(LPCNetState *st);
/** Synthesizes speech from an LPCNet feature vector.
* @param [in] st <tt>LPCNetState*</tt>: Synthesis state
* @param [in] features <tt>const float *</tt>: Compressed packet
* @param [out] output <tt>short **</tt>: Synthesized speech
* @param [out] output <tt>opus_int16 **</tt>: Synthesized speech
* @param [in] N <tt>int</tt>: Number of samples to generate
* @retval 0 Success
*/
void lpcnet_synthesize(LPCNetState *st, const float *features, short *output, int N);
void lpcnet_synthesize(LPCNetState *st, const float *features, opus_int16 *output, int N);
#define LPCNET_PLC_CAUSAL 0
@ -184,9 +176,9 @@ LPCNetPLCState *lpcnet_plc_create(int options);
void lpcnet_plc_destroy(LPCNetPLCState *st);
int lpcnet_plc_update(LPCNetPLCState *st, short *pcm);
int lpcnet_plc_update(LPCNetPLCState *st, opus_int16 *pcm);
int lpcnet_plc_conceal(LPCNetPLCState *st, short *pcm);
int lpcnet_plc_conceal(LPCNetPLCState *st, opus_int16 *pcm);
void lpcnet_plc_fec_add(LPCNetPLCState *st, const float *features);