diff options
Diffstat (limited to 'codec/ambe.c')
| -rw-r--r-- | codec/ambe.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/codec/ambe.c b/codec/ambe.c index 705ffab..210af0d 100644 --- a/codec/ambe.c +++ b/codec/ambe.c @@ -97,12 +97,12 @@ ir77_ambe_decode_speech(struct ir77_ambe_decoder *dec, return 0; } -/*! \brief Decodes an AMBE superframe to audio +/*! \brief Decodes an AMBE superframe (=2 frames) to audio * \param[in] dec Decoder object * \param[out] audio Output audio buffers * \param[in] N number of audio samples to produce (== 720 for now) * \param[in] superframe SuperFrame data (39 bytes = 312 bits) - * \returns 0 for success. Negative error code otherwise. + * \returns Number of successfully decoded frames. Negative error code otherwise. */ int ir77_ambe_decode_superframe(struct ir77_ambe_decoder *dec, @@ -111,7 +111,7 @@ ir77_ambe_decode_superframe(struct ir77_ambe_decoder *dec, { ubit_t superframe_bits[312]; ubit_t frame_bits[156]; - int i; + int frames = 0, i; /* Unpack to ubits */ osmo_pbit2ubit_ext(superframe_bits, 0, superframe, 0, 312, 1); @@ -146,6 +146,8 @@ ir77_ambe_decode_superframe(struct ir77_ambe_decoder *dec, continue; } + frames++; + /* De-prioritize */ ir77_ambe_prioritize(frame_lin, frame, 1); @@ -170,7 +172,7 @@ ir77_ambe_decode_superframe(struct ir77_ambe_decoder *dec, } } - return 0; + return frames; } /*! @} */ |