tests: codec: ecu_fr: Print XMAXC fields
This makes it easy to debug how XMAXC fields are decreased every
iteration in osmo_ecu_fr_conceal().
Change-Id: I678d4be5e0b15b05873b0d3bf5ea5bbee7bef839
diff --git a/tests/codec/codec_ecu_fr_test.c b/tests/codec/codec_ecu_fr_test.c
index 0fdc489..3a99fc7 100644
--- a/tests/codec/codec_ecu_fr_test.c
+++ b/tests/codec/codec_ecu_fr_test.c
@@ -1,12 +1,14 @@
#include <stdio.h>
#include <stdint.h>
#include <string.h>
+#include <inttypes.h>
#include <osmocom/core/bitvec.h>
#include <osmocom/core/utils.h>
#include <osmocom/codec/codec.h>
#include <osmocom/codec/ecu.h>
+#include <osmocom/codec/gsm610_bits.h>
/* Set with sample full-rate voice frames and some intentional dropouts */
static const char *fr_frames_hex[] = {
@@ -74,6 +76,28 @@
static const char *sample_frame_hex = \
"d9ec9be212901f802335598c501f805bad3d4ba01f809b69df5a501f809cd1b4da";
+#define GSM610_XMAXC_LEN 6
+static void parse_xmaxc_frame(uint8_t *frame, uint64_t xmaxc_res[4])
+{
+ unsigned int field_index, len;
+
+ struct bitvec *frame_bitvec = bitvec_alloc(GSM_FR_BYTES, NULL);
+ OSMO_ASSERT(frame_bitvec);
+ len = bitvec_unpack(frame_bitvec, frame);
+ OSMO_ASSERT(len == GSM_FR_BYTES);
+
+ field_index = GSM610_RTP_XMAXC00;
+ xmaxc_res[0] = bitvec_read_field(frame_bitvec, &field_index, GSM610_XMAXC_LEN);
+ field_index = GSM610_RTP_XMAXC10;
+ xmaxc_res[1] = bitvec_read_field(frame_bitvec, &field_index, GSM610_XMAXC_LEN);
+ field_index = GSM610_RTP_XMAXC20;
+ xmaxc_res[2] = bitvec_read_field(frame_bitvec, &field_index, GSM610_XMAXC_LEN);
+ field_index = GSM610_RTP_XMAXC30;
+ xmaxc_res[3] = bitvec_read_field(frame_bitvec, &field_index, GSM610_XMAXC_LEN);
+
+ bitvec_free(frame_bitvec);
+}
+
/**
* Start with a good voice frame and then simulate 20 consecutive bad frames,
* watching how the error concealment decreases the XMAXC parameters.
@@ -82,23 +106,28 @@
{
struct osmo_ecu_fr_state state;
uint8_t frame[GSM_FR_BYTES];
+ uint64_t xmaxc[4];
int i, rc;
/* Parse frame from string to hex */
osmo_hexparse(sample_frame_hex, frame, GSM_FR_BYTES);
-
- printf("Start with: %s\n", sample_frame_hex);
+ parse_xmaxc_frame(frame, xmaxc);
+ printf("Start with: %s, XMAXC: [%"PRIx64", %"PRIx64", %"PRIx64", %"PRIx64"]\n",
+ sample_frame_hex, xmaxc[0], xmaxc[1], xmaxc[2], xmaxc[3]);
/* Reset the ECU with the proposed known good frame */
osmo_ecu_fr_reset(&state, frame);
/* Now pretend that we do not receive any good frames anymore */
for (i = 0; i < 20; i++) {
+
rc = osmo_ecu_fr_conceal(&state, frame);
OSMO_ASSERT(rc == 0);
+ parse_xmaxc_frame(frame, xmaxc);
- printf("conceal: %02i, result: %s\n",
- i, osmo_hexdump_nospc(frame, GSM_FR_BYTES));
+ printf("conceal: %02i, result: %s XMAXC: [%"PRIx64", %"PRIx64", %"PRIx64", %"PRIx64"]\n",
+ i, osmo_hexdump_nospc(frame, GSM_FR_BYTES),
+ xmaxc[0], xmaxc[1], xmaxc[2], xmaxc[3]);
}
}