From f81d03f7dd67db4a814fea8559e4d459c7a31ec9 Mon Sep 17 00:00:00 2001 From: Pau Espin Pedrol Date: Thu, 19 Jul 2018 13:49:41 +0200 Subject: libosmocoding: clarify return values for TCH decoding functions Change-Id: I7d6c61e6a1b5d1fae26f385b420ff55246c4b62f --- src/coding/gsm0503_coding.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/src/coding/gsm0503_coding.c b/src/coding/gsm0503_coding.c index 2eb8cba2..c72aabc0 100644 --- a/src/coding/gsm0503_coding.c +++ b/src/coding/gsm0503_coding.c @@ -1792,7 +1792,7 @@ static void tch_amr_unmerge(ubit_t *d, ubit_t *p, const ubit_t *u, int len, int * \param[in] efr Is this channel using EFR (1) or FR (0) * \param[out] n_errors Number of detected bit errors * \param[out] n_bits_total Total number of bits - * \returns length of bytes used in \a tch_data output buffer */ + * \returns length of bytes used in \a tch_data output buffer; negative on error */ int gsm0503_tch_fr_decode(uint8_t *tch_data, const sbit_t *bursts, int net_order, int efr, int *n_errors, int *n_bits_total) { @@ -1941,7 +1941,7 @@ coding_efr_fr: * \param[in] odd Odd (1) or even (0) frame number * \param[out] n_errors Number of detected bit errors * \param[out] n_bits_total Total number of bits - * \returns length of bytes used in \a tch_data output buffer */ + * \returns length of bytes used in \a tch_data output buffer; negative on error */ int gsm0503_tch_hr_decode(uint8_t *tch_data, const sbit_t *bursts, int odd, int *n_errors, int *n_bits_total) { @@ -2082,7 +2082,9 @@ int gsm0503_tch_hr_encode(ubit_t *bursts, const uint8_t *tch_data, int len) * \param[out] cmr Output in \a codec_mode_req = 1 * \param[out] n_errors Number of detected bit errors * \param[out] n_bits_total Total number of bits - * \returns length of bytes used in \a tch_data output buffer */ + * \returns (>=4) length of bytes used in \a tch_data output buffer; ([0,3]) + * codec out of range; negative on error + */ int gsm0503_tch_afs_decode(uint8_t *tch_data, const sbit_t *bursts, int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, uint8_t *cmr, int *n_errors, int *n_bits_total) @@ -2459,7 +2461,9 @@ invalid_length: * \param[out] cmr Output in \a codec_mode_req = 1 * \param[out] n_errors Number of detected bit errors * \param[out] n_bits_total Total number of bits - * \returns length of bytes used in \a tch_data output buffer */ + * \returns (>=4) length of bytes used in \a tch_data output buffer; ([0,3]) + * codec out of range; negative on error + */ int gsm0503_tch_ahs_decode(uint8_t *tch_data, const sbit_t *bursts, int odd, int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, uint8_t *cmr, int *n_errors, int *n_bits_total) -- cgit v1.2.3