From bf0290d8cc6fe6779b847c2ee8f06ad4c3e99685 Mon Sep 17 00:00:00 2001
From: drowe67 <drowe67@01035d8c-6547-0410-b346-abe4f91aad63>
Date: Wed, 17 Jun 2015 07:59:06 +0000
Subject: [PATCH] tweaks to help debug some freedv audio issues

git-svn-id: https://svn.code.sf.net/p/freetel/code@2200 01035d8c-6547-0410-b346-abe4f91aad63
---
 codec2-dev/src/CMakeLists.txt  | 5 +++++
 codec2-dev/src/codec2_cohpsk.h | 1 +
 codec2-dev/src/cohpsk.c        | 9 +++++++++
 codec2-dev/src/freedv_api.c    | 5 ++++-
 codec2-dev/src/freedv_rx.c     | 1 +
 5 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/codec2-dev/src/CMakeLists.txt b/codec2-dev/src/CMakeLists.txt
index dac874ae..d0df3f54 100644
--- a/codec2-dev/src/CMakeLists.txt
+++ b/codec2-dev/src/CMakeLists.txt
@@ -217,6 +217,11 @@ set(CODEC2_PUBLIC_HEADERS
     codec2_fm.h
     codec2_fifo.h
     comp.h
+    modem_stats.h
+    kiss_fft.h
+    freedv_api.h
+    varicode.h
+
 )
 
 #
diff --git a/codec2-dev/src/codec2_cohpsk.h b/codec2-dev/src/codec2_cohpsk.h
index 2b578601..cea97ab6 100644
--- a/codec2-dev/src/codec2_cohpsk.h
+++ b/codec2-dev/src/codec2_cohpsk.h
@@ -48,5 +48,6 @@ void cohpsk_mod(struct COHPSK *cohpsk, COMP tx_fdm[], int tx_bits[]);
 void cohpsk_clip(COMP tx_fdm[]);
 void cohpsk_demod(struct COHPSK *cohpsk, float rx_bits[], int *sync, COMP rx_fdm[], int *nin_frame);
 void cohpsk_get_demod_stats(struct COHPSK *cohpsk, struct MODEM_STATS *stats);
+void cohpsk_set_verbose(struct COHPSK *coh, int verbose);
 
 #endif
diff --git a/codec2-dev/src/cohpsk.c b/codec2-dev/src/cohpsk.c
index a8ec0c22..4c3231e4 100644
--- a/codec2-dev/src/cohpsk.c
+++ b/codec2-dev/src/cohpsk.c
@@ -1123,3 +1123,12 @@ void cohpsk_get_demod_stats(struct COHPSK *coh, struct MODEM_STATS *stats)
         }
     }
 }
+
+
+void cohpsk_set_verbose(struct COHPSK *coh, int verbose)
+{
+    assert(coh != NULL);
+    coh->verbose = verbose;
+}
+
+
diff --git a/codec2-dev/src/freedv_api.c b/codec2-dev/src/freedv_api.c
index efb69192..5d672beb 100644
--- a/codec2-dev/src/freedv_api.c
+++ b/codec2-dev/src/freedv_api.c
@@ -541,8 +541,10 @@ int freedv_comprx(struct freedv *f, short speech_out[], COMP demod_in[]) {
         else {
             /* if not in sync pass through analog samples */
             /* this lets us "hear" whats going on, e.g. during tuning */
+            
             for(i=0; i<nin_prev; i++)
                 speech_out[i] = FDMDV_SCALE*demod_in[i].real;
+            //fprintf(stderr, "%d %d %d\n", nin_prev, speech_out[0], speech_out[nin_prev-1]);
             nout = nin_prev;
         }
     }
@@ -600,7 +602,7 @@ int freedv_comprx(struct freedv *f, short speech_out[], COMP demod_in[]) {
             /* this lets us "hear" whats going on, e.g. during tuning */
             /* need to linearly interp as Fs in and out slightly different */
 
-            for(i=0, t=0.0; i<f->n_speech_samples; i++, t+=f->modem_sample_rate/FS) {
+            for(i=0, t=0.0; i<f->n_speech_samples; i++, t+=(float)f->modem_sample_rate/FS) {
                 t1 = floor(t); t2 = ceil(t);
                 a = t - t1;
                 b = t2 - t1;
@@ -608,6 +610,7 @@ int freedv_comprx(struct freedv *f, short speech_out[], COMP demod_in[]) {
                 speech_out[i] = FDMDV_SCALE*s;
             }
             nout = f->n_speech_samples;
+            //fprintf(stderr, "%d %d %d\n", f->n_speech_samples, speech_out[0], speech_out[nin_prev-1]);
         }
      }
 
diff --git a/codec2-dev/src/freedv_rx.c b/codec2-dev/src/freedv_rx.c
index eb1d8d91..285b619e 100644
--- a/codec2-dev/src/freedv_rx.c
+++ b/codec2-dev/src/freedv_rx.c
@@ -92,6 +92,7 @@ int main(int argc, char *argv[]) {
     }
     
     freedv = freedv_open(mode);
+    cohpsk_set_verbose(freedv->cohpsk, 1);
     assert(freedv != NULL);
 
     speech_out = (short*)malloc(sizeof(short)*freedv->n_speech_samples);
-- 
2.25.1