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Introduce float and 24 bits packed input/output formats

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This commit is contained in:
Antoine SOULIER
2022-06-01 11:56:53 +02:00
parent aa9eb7b234
commit f73a7468e9
4 changed files with 124 additions and 19 deletions
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tools/dlc3.c
+2 -2
View File
@@ -176,7 +176,7 @@ int main(int argc, char *argv[])
error(EINVAL, "Samplerate %d Hz", srate_hz);
int pcm_sbits = p.bitdepth;
int pcm_sbytes = 2 + 2*(pcm_sbits > 16);
int pcm_sbytes = pcm_sbits / 8;
int pcm_srate_hz = !p.srate_hz ? srate_hz : p.srate_hz;
int pcm_samples = !p.srate_hz ? nsamples :
@@ -195,7 +195,7 @@ int main(int argc, char *argv[])
uint8_t in[nch * LC3_MAX_FRAME_BYTES];
int8_t alignas(int32_t) pcm[nch * frame_samples * pcm_sbytes];
enum lc3_pcm_format pcm_fmt =
pcm_sbits == 24 ? LC3_PCM_FORMAT_S24 : LC3_PCM_FORMAT_S16;
pcm_sbits == 24 ? LC3_PCM_FORMAT_S24_3LE : LC3_PCM_FORMAT_S16;
for (int ich = 0; ich < nch; ich++)
dec[ich] = lc3_setup_decoder(frame_us, srate_hz, p.srate_hz,
tools/elc3.c
+4 -2
View File
@@ -177,7 +177,8 @@ int main(int argc, char *argv[])
if (pcm_sbits != 16 && pcm_sbits != 24)
error(EINVAL, "Bitdepth %d", pcm_sbits);
if (pcm_sbytes != (pcm_sbits == 16 ? 2 : 4))
if ((pcm_sbits == 16 && pcm_sbytes != 16/8) ||
(pcm_sbits == 24 && pcm_sbytes != 24/8 && pcm_sbytes != 32/8))
error(EINVAL, "Sample storage on %d bytes", pcm_sbytes);
if (nch < 1 || nch > 2)
@@ -199,7 +200,8 @@ int main(int argc, char *argv[])
lc3_encoder_t enc[nch];
int8_t alignas(int32_t) pcm[nch * frame_samples * pcm_sbytes];
enum lc3_pcm_format pcm_fmt =
pcm_sbits == 24 ? LC3_PCM_FORMAT_S24 : LC3_PCM_FORMAT_S16;
pcm_sbytes == 32/8 ? LC3_PCM_FORMAT_S24 :
pcm_sbytes == 24/8 ? LC3_PCM_FORMAT_S24_3LE : LC3_PCM_FORMAT_S16;
uint8_t out[nch][frame_bytes];
for (int ich = 0; ich < nch; ich++)