diff options
Diffstat (limited to 'tests/codec/codec_ecu_fr_test.c')
| -rw-r--r-- | tests/codec/codec_ecu_fr_test.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/tests/codec/codec_ecu_fr_test.c b/tests/codec/codec_ecu_fr_test.c index 0fdc489d..3a99fc72 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 *fr_frames_hex[] = { 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 @@ void test_fr_concealment(void) { 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]); } } |