diff options
Diffstat (limited to 'src/pcm/PcmResampleLibsamplerate.cxx')
| -rw-r--r-- | src/pcm/PcmResampleLibsamplerate.cxx | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/pcm/PcmResampleLibsamplerate.cxx b/src/pcm/PcmResampleLibsamplerate.cxx index 1986e8821..9eac2d545 100644 --- a/src/pcm/PcmResampleLibsamplerate.cxx +++ b/src/pcm/PcmResampleLibsamplerate.cxx @@ -19,6 +19,7 @@ #include "config.h" #include "PcmResampleInternal.hxx" +#include "PcmUtils.hxx" #include "util/ASCII.hxx" #include "util/Error.hxx" #include "util/Domain.hxx" @@ -283,3 +284,27 @@ pcm_resample_lsr_32(PcmResampler *state, return dest_buffer; } + +const int32_t * +pcm_resample_lsr_24(PcmResampler *state, + unsigned channels, + unsigned src_rate, + const int32_t *src_buffer, size_t src_size, + unsigned dest_rate, size_t *dest_size_r, + Error &error) +{ + const auto result = pcm_resample_lsr_32(state, channels, + src_rate, src_buffer, src_size, + dest_rate, dest_size_r, + error); + if (result != nullptr) + /* src_float_to_int_array() clamps for 32 bit + integers; now make sure everything's fine for 24 + bit */ + /* TODO: eliminate the 32 bit clamp to reduce overhead */ + PcmClampN<int32_t, int32_t, 24>(const_cast<int32_t *>(result), + result, + *dest_size_r / sizeof(*result)); + + return result; +} |