# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1715670839 0
# Node ID ea89eb8291bfc0d793a66a5d5002666e544a6ef2
# Parent  7c50864deaff8f2c9208428d2eab58b2e9576aef
libgsmefr: add RTP-encoded DHF const datum to public API

diff -r 7c50864deaff -r ea89eb8291bf libgsmefr/Makefile
--- a/libgsmefr/Makefile	Mon May 13 21:06:58 2024 +0000
+++ b/libgsmefr/Makefile	Tue May 14 07:13:59 2024 +0000
@@ -1,9 +1,9 @@
 OBJS=	agc.o autocorr.o az_lsp.o basicops.o bfi_nodata.o c1035pf.o cod_12k2.o \
 	convolve.o d1035pf.o d_gains.o d_homing.o d_plsf_5.o dec_12k2.o \
-	dec_create.o dec_lag6.o dec_main.o dec_wrap.o dtx_common.o dtx_dec.o \
-	dtx_enc.o e_homing.o enc_create.o enc_lag6.o enc_main.o enc_wrap.o \
-	frame2params.o g_code.o g_pitch.o int_lpc.o inter_6.o inv_sqrt.o \
-	lag_wind.o levinson.o log2.o lsp_az.o lsp_lsf.o oper_32b.o \
+	dec_create.o dec_lag6.o dec_main.o dec_wrap.o dhf.o dtx_common.o \
+	dtx_dec.o dtx_enc.o e_homing.o enc_create.o enc_lag6.o enc_main.o \
+	enc_wrap.o frame2params.o g_code.o g_pitch.o int_lpc.o inter_6.o \
+	inv_sqrt.o lag_wind.o levinson.o log2.o lsp_az.o lsp_lsf.o oper_32b.o \
 	params2frame.o pitch_f6.o pitch_ol.o pow2.o pre_proc.o pred_lt6.o \
 	preemph.o pstfilt2.o q_gains.o q_plsf5_tab.o q_plsf_5.o reorder.o \
 	residu.o sid_class.o sid_insert.o syn_filt.o tls_flags.o vad.o \
diff -r 7c50864deaff -r ea89eb8291bf libgsmefr/dhf.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgsmefr/dhf.c	Tue May 14 07:13:59 2024 +0000
@@ -0,0 +1,17 @@
+/*
+ * This C module provides the RTP-encoded form of EFR DHF as an API-exported
+ * const array.  It is not used by the library itself (DHF check in the decoder
+ * is done on the unpacked array of params, not on the RTP-encoded frame),
+ * but we provide this const datum as part of API because it may be useful
+ * to some users, and for consistency with libgsmfr2.
+ */
+
+#include <stdint.h>
+#include "gsm_efr.h"
+
+const uint8_t EFR_decoder_homing_frame[EFR_RTP_FRAME_LEN] = {
+	0xC0, 0x85, 0xEB, 0x49, 0x0F, 0xAA, 0xD6, 0x03,
+	0xE3, 0xA1, 0x86, 0x07, 0xB0, 0xC4, 0x2C, 0x08,
+	0x04, 0x80, 0x55, 0x80, 0x00, 0x00, 0x00, 0x00,
+	0x03, 0x6B, 0x00, 0x00, 0x00, 0x00, 0x00
+};
diff -r 7c50864deaff -r ea89eb8291bf libgsmefr/gsm_efr.h
--- a/libgsmefr/gsm_efr.h	Mon May 13 21:06:58 2024 +0000
+++ b/libgsmefr/gsm_efr.h	Tue May 14 07:13:59 2024 +0000
@@ -51,4 +51,8 @@
 extern void EFR_params2frame(const int16_t *params, uint8_t *frame);
 extern void EFR_insert_sid_codeword(uint8_t *frame);
 
+/* public const data item */
+
+extern const uint8_t EFR_decoder_homing_frame[EFR_RTP_FRAME_LEN];
+
 #endif	/* include guard */