ref: 2a131ff6fee54c1f67a08a2b4f0f566b76e41bf5
parent: be4f70bc7ed8ecfa89bf8545ae80f84a55b0ed26
author: Jean-Marc Valin <jmvalin@amazon.com>
date: Mon Oct 4 11:59:32 EDT 2021
Add lpcnet_compute_single_frame_features() to header
--- a/dnn/include/lpcnet.h
+++ b/dnn/include/lpcnet.h
@@ -86,7 +86,7 @@
/** 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>short *</tt>: Decoded audio
* @retval 0 Success
*/
LPCNET_EXPORT int lpcnet_decode(LPCNetDecState *st, const unsigned char *buf, short *pcm);
@@ -119,7 +119,7 @@
/** 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>short *</tt>: Input speech to be encoded
* @param [out] buf <tt>const unsigned char *</tt>: Compressed packet
* @retval 0 Success
*/
@@ -127,12 +127,19 @@
/** 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 [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
*/
LPCNET_EXPORT int lpcnet_compute_features(LPCNetEncState *st, const short *pcm, float features[4][NB_TOTAL_FEATURES]);
+/** 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 [out] features <tt>float[NB_TOTAL_FEATURES]</tt>: Four feature vectors
+ * @retval 0 Success
+ */
+LPCNET_EXPORT int lpcnet_compute_single_frame_features(LPCNetEncState *st, const short *pcm, float features[NB_TOTAL_FEATURES]);
/** Gets the size of an <code>LPCNetState</code> structure.
* @returns The size in bytes.
--
⑨