mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-17 08:30:06 +02:00
Fix to build on Linux, and error in destructor.
This commit is contained in:
v.audacity
parent
5460b5c668
commit
88d2c85c15
360
src/Resample.cpp
360
src/Resample.cpp
@ -35,8 +35,6 @@
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#include "Resample.h"
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#include <wx/intl.h>
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//v Currently unused.
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//void Resample::SetFastMethod(int index)
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//{
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@ -64,9 +62,8 @@
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ConstRateResample::~ConstRateResample()
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{
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delete mHandle;
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mHandle = NULL;
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soxr_delete((soxr_t)mHandle);
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mHandle = NULL;
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}
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//v Currently unused.
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@ -128,211 +125,186 @@
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#endif
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//vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
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// variable-rate resampler(s)
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#if USE_LIBRESAMPLE
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#include "libresample.h"
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bool Resample::ResamplingEnabled()
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{
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return true;
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}
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VarRateResample::VarRateResample(const bool useBestMethod, const double dMinFactor, const double dMaxFactor)
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{
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if (useBestMethod)
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mMethod = GetBestMethod();
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else
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mMethod = GetFastMethod();
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//v Currently unused.
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//wxString Resample::GetResamplingLibraryName()
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//{
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// return _("Libresample by Dominic Mazzoni and Julius Smith");
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//}
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int Resample::GetNumMethods()
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{
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return 2;
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}
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wxString Resample::GetMethodName(int index)
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{
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if (index == 1)
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return _("High-quality Sinc Interpolation");
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return _("Fast Sinc Interpolation");
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}
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const wxString Resample::GetFastMethodKey()
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{
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return wxT("/Quality/LibresampleSampleRateConverter");
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}
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const wxString Resample::GetBestMethodKey()
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{
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return wxT("/Quality/LibresampleHQSampleRateConverter");
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}
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int Resample::GetFastMethodDefault()
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{
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return 0;
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}
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int Resample::GetBestMethodDefault()
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{
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return 1;
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}
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Resample::Resample(bool useBestMethod, double minFactor, double maxFactor)
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{
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if (useBestMethod)
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mMethod = GetBestMethod();
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else
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mMethod = GetFastMethod();
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mHandle = resample_open(mMethod, minFactor, maxFactor);
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}
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bool Resample::Ok()
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{
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return (mHandle != NULL);
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}
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int Resample::Process(double factor,
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float *inBuffer,
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int inBufferLen,
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bool lastFlag,
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int *inBufferUsed,
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float *outBuffer,
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int outBufferLen)
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{
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return resample_process(mHandle, factor, inBuffer, inBufferLen,
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(int)lastFlag, inBufferUsed, outBuffer, outBufferLen);
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}
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Resample::~Resample()
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{
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resample_close(mHandle);
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}
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#elif USE_LIBSAMPLERATE
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#include <samplerate.h>
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bool Resample::ResamplingEnabled()
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{
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return true;
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}
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//v Currently unused.
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//wxString Resample::GetResamplingLibraryName()
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//{
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//#ifdef USE_LIBSAMPLERATE
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// return _("Libsamplerate by Erik de Castro Lopo");
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//#elif USE_LIBSOXR
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// return _("Libsoxr by Rob Sykes");
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//#else
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// return _("Unknown");
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//#endif
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//}
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int Resample::GetNumMethods()
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{
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int i = 0;
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while(src_get_name(i))
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i++;
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return i;
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}
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wxString Resample::GetMethodName(int index)
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{
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return wxString(wxString::FromAscii(src_get_name(index)));
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}
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const wxString Resample::GetFastMethodKey()
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{
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return wxT("/Quality/SampleRateConverter");
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}
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const wxString Resample::GetBestMethodKey()
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{
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return wxT("/Quality/HQSampleRateConverter");
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}
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int Resample::GetFastMethodDefault()
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{
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return SRC_SINC_FASTEST;
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}
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int Resample::GetBestMethodDefault()
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{
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return SRC_SINC_BEST_QUALITY;
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}
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Resample::Resample(bool useBestMethod, double minFactor, double maxFactor)
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{
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if (!src_is_valid_ratio (minFactor) || !src_is_valid_ratio (maxFactor)) {
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fprintf(stderr, "libsamplerate supports only resampling factors between 1/SRC_MAX_RATIO and SRC_MAX_RATIO.\n");
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// FIX-ME: Audacity will hang after this if branch.
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mHandle = NULL;
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return;
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mHandle = resample_open(mMethod, minFactor, maxFactor);
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}
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if (useBestMethod)
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mMethod = GetBestMethod();
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else
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mMethod = GetFastMethod();
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int err;
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SRC_STATE *state = src_new(mMethod, 1, &err);
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mHandle = (void *)state;
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mInitial = true;
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}
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bool Resample::Ok()
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{
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return (mHandle != NULL);
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}
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int Resample::Process(double factor,
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float *inBuffer,
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int inBufferLen,
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bool lastFlag,
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int *inBufferUsed,
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float *outBuffer,
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int outBufferLen)
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{
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if (mInitial) {
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src_set_ratio((SRC_STATE *)mHandle, factor);
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mInitial = false;
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VarRateResample::~VarRateResample()
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{
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resample_close(mHandle);
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}
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SRC_DATA data;
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//v Currently unused.
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//wxString VarRateResample::GetResamplingLibraryName()
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//{
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// return _("Libresample by Dominic Mazzoni and Julius Smith");
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//}
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data.data_in = inBuffer;
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data.data_out = outBuffer;
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data.input_frames = inBufferLen;
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data.output_frames = outBufferLen;
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data.input_frames_used = 0;
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data.output_frames_gen = 0;
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data.end_of_input = (int)lastFlag;
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data.src_ratio = factor;
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int VarRateResample::GetNumMethods() { return 2; }
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int err = src_process((SRC_STATE *)mHandle, &data);
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if (err) {
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wxFprintf(stderr, _("Libsamplerate error: %d\n"), err);
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wxString VarRateResample::GetMethodName(int index)
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{
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if (index == 1)
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return _("High-quality Sinc Interpolation");
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return _("Fast Sinc Interpolation");
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}
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const wxString VarRateResample::GetFastMethodKey()
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{
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return wxT("/Quality/LibresampleSampleRateConverter");
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}
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const wxString VarRateResample::GetBestMethodKey()
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{
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return wxT("/Quality/LibresampleHQSampleRateConverter");
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}
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int VarRateResample::GetFastMethodDefault()
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{
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return 0;
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}
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*inBufferUsed = (int)data.input_frames_used;
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return (int)data.output_frames_gen;
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}
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int VarRateResample::GetBestMethodDefault()
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{
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return 1;
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}
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Resample::~Resample()
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{
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src_delete((SRC_STATE *)mHandle);
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}
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int VarRateResample::Process(double factor,
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float *inBuffer,
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int inBufferLen,
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bool lastFlag,
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int *inBufferUsed,
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float *outBuffer,
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int outBufferLen)
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{
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return resample_process(mHandle, factor, inBuffer, inBufferLen,
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(int)lastFlag, inBufferUsed, outBuffer, outBufferLen);
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}
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#elif USE_LIBSAMPLERATE
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#include <samplerate.h>
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VarRateResample::VarRateResample(const bool useBestMethod, const double dMinFactor, const double dMaxFactor)
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{
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if (!src_is_valid_ratio (dMinFactor) || !src_is_valid_ratio (dMaxFactor)) {
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fprintf(stderr, "libsamplerate supports only resampling factors between 1/SRC_MAX_RATIO and SRC_MAX_RATIO.\n");
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// FIX-ME: Audacity will hang after this if branch.
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mHandle = NULL;
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return;
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}
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if (useBestMethod)
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mMethod = GetBestMethod();
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else
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mMethod = GetFastMethod();
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int err;
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SRC_STATE *state = src_new(mMethod, 1, &err);
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mHandle = (void *)state;
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mInitial = true;
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}
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VarRateResample::~VarRateResample()
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{
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src_delete((SRC_STATE *)mHandle);
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}
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//v Currently unused.
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//wxString Resample::GetResamplingLibraryName()
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//{
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// return _("Libsamplerate by Erik de Castro Lopo");
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//}
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int VarRateResample::GetNumMethods()
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{
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int i = 0;
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while(src_get_name(i))
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i++;
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return i;
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}
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wxString VarRateResample::GetMethodName(int index)
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{
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return wxString(wxString::FromAscii(src_get_name(index)));
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}
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const wxString VarRateResample::GetFastMethodKey()
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{
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return wxT("/Quality/SampleRateConverter");
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}
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const wxString VarRateResample::GetBestMethodKey()
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{
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return wxT("/Quality/HQSampleRateConverter");
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}
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int VarRateResample::GetFastMethodDefault()
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{
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return SRC_SINC_FASTEST;
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}
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int VarRateResample::GetBestMethodDefault()
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{
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return SRC_SINC_BEST_QUALITY;
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}
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int VarRateResample::Process(double factor,
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float *inBuffer,
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int inBufferLen,
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bool lastFlag,
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int *inBufferUsed,
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float *outBuffer,
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int outBufferLen)
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{
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if (mInitial) {
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src_set_ratio((SRC_STATE *)mHandle, factor);
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mInitial = false;
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}
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SRC_DATA data;
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data.data_in = inBuffer;
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data.data_out = outBuffer;
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data.input_frames = inBufferLen;
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data.output_frames = outBufferLen;
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data.input_frames_used = 0;
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data.output_frames_gen = 0;
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data.end_of_input = (int)lastFlag;
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data.src_ratio = factor;
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int err = src_process((SRC_STATE *)mHandle, &data);
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if (err) {
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wxFprintf(stderr, _("Libsamplerate error: %d\n"), err);
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return 0;
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}
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*inBufferUsed = (int)data.input_frames_used;
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return (int)data.output_frames_gen;
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}
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#else // no var-rate resampler
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VarRateResample::VarRateResample(const bool useBestMethod, const double dFactor)
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: Resample()
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{
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}
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VarRateResample::~VarRateResample()
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{
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}
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#endif
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@ -14,6 +14,7 @@
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#include "Audacity.h"
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#include <wx/intl.h>
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#include <wx/string.h>
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#include "Prefs.h"
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@ -140,4 +141,30 @@ class ConstRateResample : public Resample
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#endif
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};
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class VarRateResample : public Resample
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{
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public:
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VarRateResample(const bool useBestMethod, const double dMinFactor, const double dMaxFactor);
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virtual ~VarRateResample();
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// Override base class methods only if we actually have a var-rate library.
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#if USE_LIBRESAMPLE || USE_LIBSAMPLERATE
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static int GetNumMethods();
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static wxString GetMethodName(int index);
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static const wxString GetFastMethodKey();
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static const wxString GetBestMethodKey();
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static int GetFastMethodDefault();
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static int GetBestMethodDefault();
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virtual int Process(double factor,
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float *inBuffer,
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int inBufferLen,
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bool lastFlag,
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int *inBufferUsed,
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float *outBuffer,
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int outBufferLen);
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#endif
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};
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#endif // __AUDACITY_RESAMPLE_H__
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