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Add support for S32_LE, S32_BE, S24_LE and S24_BE wqhen generating frames of dithered silence

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Mike Brady
2019-05-29 16:18:51 +01:00
parent 76ad4e6a73
commit 7f2e6b1aac
1 changed files with 47 additions and 1 deletions
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common.c
+47 -1
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@@ -1442,6 +1442,30 @@ int64_t generate_zero_frames(char *outp, size_t number_of_frames, enum sps_forma
*(int32_t *)op = hyper_sample;
result = 4;
break;
case SPS_FORMAT_S32_LE:
hyper_sample >>= (64 - 32);
byt = (uint8_t)hyper_sample;
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 8);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 16);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 24);
*op++ = byt;
result = 4;
break;
case SPS_FORMAT_S32_BE:
hyper_sample >>= (64 - 32);
byt = (uint8_t)(hyper_sample >> 24);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 16);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 8);
*op++ = byt;
byt = (uint8_t)hyper_sample;
*op++ = byt;
result = 4;
break;
case SPS_FORMAT_S24_3LE:
hyper_sample >>= (64 - 24);
byt = (uint8_t)hyper_sample;
@@ -1467,6 +1491,28 @@ int64_t generate_zero_frames(char *outp, size_t number_of_frames, enum sps_forma
*(int32_t *)op = hyper_sample;
result = 4;
break;
case SPS_FORMAT_S24_LE:
hyper_sample >>= (64 - 24);
byt = (uint8_t)hyper_sample;
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 8);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 16);
*op++ = byt;
*op++ = 0;
result = 4;
break;
case SPS_FORMAT_S24_BE:
hyper_sample >>= (64 - 24);
*op++ = 0;
byt = (uint8_t)(hyper_sample >> 16);
*op++ = byt;
byt = (uint8_t)(hyper_sample >> 8);
*op++ = byt;
byt = (uint8_t)hyper_sample;
*op++ = byt;
result = 4;
break;
case SPS_FORMAT_S16_LE:
hyper_sample >>= (64 - 16);
byt = (uint8_t)hyper_sample;
@@ -1501,7 +1547,7 @@ int64_t generate_zero_frames(char *outp, size_t number_of_frames, enum sps_forma
break;
default:
result = 0; // stop a compiler warning
die("Unexpected SPS_FORMAT_UNKNOWN while outputting samples");
die("Unexpected SPS_FORMAT_* with index %d while outputting silence",format);
}
p += result;
previous_random_number = r;