nils/shairport-sync
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If the output rate is different to the input rate, look for the deepest output bit depth, to give the transcoder the chance to minimise transcoding inaccuracies.

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Mike Brady
2026-08-20 15:47:37 +01:00
parent c4e17b60ef
commit 6966a74c82
1 changed files with 4 additions and 4 deletions
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audio.c
+4 -4
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@@ -994,7 +994,7 @@ int32_t search_for_suitable_configuration(unsigned int channels, unsigned int ra
}
#ifdef CONFIG_FFMPEG
if (local_format == SPS_FORMAT_UNKNOWN) {
debug(3, "check for the next highest rate above %u with %u channels.", rate,
debug(3, "check for the next highest rate above %u with %u channels and the best format.", rate,
local_channels);
unsigned int rate_pointer = 0;
while ((rate_pointer < sizeof(rates) / sizeof(unsigned int)) &&
@@ -1002,7 +1002,7 @@ int32_t search_for_suitable_configuration(unsigned int channels, unsigned int ra
local_rate = rates[rate_pointer];
if (local_rate > rate) {
local_format = check_configuration_with_formats(
local_channels, local_rate, (sps_format_t)format, check_configuration);
local_channels, local_rate, SPS_FORMAT_S32, check_configuration);
}
if (local_format == SPS_FORMAT_UNKNOWN) {
rate_pointer++;
@@ -1012,13 +1012,13 @@ int32_t search_for_suitable_configuration(unsigned int channels, unsigned int ra
if (local_format == SPS_FORMAT_UNKNOWN) {
int rate_pointer = (int)(sizeof(rates) / sizeof(unsigned int) - 1);
debug(3, "check for the next lowest rate below %u with %u channels.", rate,
debug(3, "check for the next lowest rate below %u with %u channels and the best format.", rate,
local_channels);
while ((rate_pointer >= 0) && (local_format == SPS_FORMAT_UNKNOWN)) {
local_rate = rates[rate_pointer];
if (local_rate < rate) {
local_format = check_configuration_with_formats(
local_channels, local_rate, (sps_format_t)format, check_configuration);
local_channels, local_rate, SPS_FORMAT_S32, check_configuration);
}
if (local_format == SPS_FORMAT_UNKNOWN) {
rate_pointer--;