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feature: Add 2.5 ms and 5 ms LC3 plus frame durations

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fix: Check TNS bitstream data

fix: LTPF Activation with 2.5 ms frame sizes
This commit is contained in:
anonymix007
2023-12-13 10:56:20 -08:00
committed by Antoine Soulier
parent a75f187e00
commit 149cb6537e
43 changed files with 3095 additions and 1628 deletions
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21
include/lc3.h
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@@ -135,7 +135,7 @@ extern "C" {
#define LC3_MIN_FRAME_BYTES 20
#define LC3_MAX_FRAME_BYTES 400
#define LC3_MIN_FRAME_SAMPLES __LC3_NS( 7500, 8000)
#define LC3_MIN_FRAME_SAMPLES __LC3_NS( 2500, 8000)
#define LC3_MAX_FRAME_SAMPLES __LC3_NS(10000, 48000)
@@ -146,7 +146,8 @@ extern "C" {
*/
#define LC3_CHECK_DT_US(us) \
( ((us) == 7500) || ((us) == 10000) )
( ((us) == 2500) || ((us) == 5000) || \
((us) == 7500) || ((us) == 10000) )
#define LC3_CHECK_SR_HZ(sr) \
( ((sr) == 8000) || ((sr) == 16000) || ((sr) == 24000) || \
@@ -196,7 +197,7 @@ typedef LC3_DECODER_MEM_T(10000, 48000) lc3_decoder_mem_48k_t;
/**
* Return the number of PCM samples in a frame
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* return Number of PCM samples, -1 on bad parameters
*/
@@ -204,7 +205,7 @@ int lc3_frame_samples(int dt_us, int sr_hz);
/**
* Return the size of frames, from bitrate
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* bitrate Target bitrate in bit per second
* return The floor size in bytes of the frames, -1 on bad parameters
*/
@@ -212,7 +213,7 @@ int lc3_frame_bytes(int dt_us, int bitrate);
/**
* Resolve the bitrate, from the size of frames
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* nbytes Size in bytes of the frames
* return The according bitrate in bps, -1 on bad parameters
*/
@@ -220,7 +221,7 @@ int lc3_resolve_bitrate(int dt_us, int nbytes);
/**
* Return algorithmic delay, as a number of samples
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* return Number of algorithmic delay samples, -1 on bad parameters
*/
@@ -228,7 +229,7 @@ int lc3_delay_samples(int dt_us, int sr_hz);
/**
* Return size needed for an encoder
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* return Size of then encoder in bytes, 0 on bad parameters
*
@@ -239,7 +240,7 @@ unsigned lc3_encoder_size(int dt_us, int sr_hz);
/**
* Setup encoder
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* sr_pcm_hz Input samplerate, downsampling option of input, or 0
* mem Encoder memory space, aligned to pointer type
@@ -268,7 +269,7 @@ int lc3_encode(lc3_encoder_t encoder, enum lc3_pcm_format fmt,
/**
* Return size needed for an decoder
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* return Size of then decoder in bytes, 0 on bad parameters
*
@@ -279,7 +280,7 @@ unsigned lc3_decoder_size(int dt_us, int sr_hz);
/**
* Setup decoder
* dt_us Frame duration in us, 7500 or 10000
* dt_us Frame duration in us, 2500, 5000, 7500 or 10000
* sr_hz Samplerate in Hz, 8000, 16000, 24000, 32000 or 48000
* sr_pcm_hz Output samplerate, upsampling option of output (or 0)
* mem Decoder memory space, aligned to pointer type