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authorPaul Davis <paul@linuxaudiosystems.com>2008-03-17 20:54:03 +0000
committerPaul Davis <paul@linuxaudiosystems.com>2008-03-17 20:54:03 +0000
commit997e4b1f9cd7ccfc704b7c035051da7f60d831e7 (patch)
tree1236e40183b677abf4a2882e4cfe8e0a345eb24d /libs/ardour/resampled_source.cc
parent19a4b990325577fc949ccd5d5fbad4520eb1df56 (diff)
merge with 2.0-ongoing @ rev 3147
git-svn-id: svn://localhost/ardour2/branches/3.0@3152 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/resampled_source.cc')
-rw-r--r--libs/ardour/resampled_source.cc27
1 files changed, 13 insertions, 14 deletions
diff --git a/libs/ardour/resampled_source.cc b/libs/ardour/resampled_source.cc
index b5d23fb4a2..083fde95a1 100644
--- a/libs/ardour/resampled_source.cc
+++ b/libs/ardour/resampled_source.cc
@@ -26,15 +26,14 @@
using namespace ARDOUR;
using namespace PBD;
-const uint32_t ResampledImportableSource::blocksize = 4096U;
+const uint32_t ResampledImportableSource::blocksize = 16384U;
-ResampledImportableSource::ResampledImportableSource (const std::string& path,
- nframes_t rate, SrcQuality srcq)
- : ImportableSource (path)
+ResampledImportableSource::ResampledImportableSource (boost::shared_ptr<ImportableSource> src, nframes_t rate, SrcQuality srcq)
+ : source (src)
{
int err;
- sf_seek (in.get(), 0, SEEK_SET) ;
+ source->seek (0);
/* Initialize the sample rate converter. */
@@ -58,7 +57,7 @@ ResampledImportableSource::ResampledImportableSource (const std::string& path,
break;
}
- if ((src_state = src_new (src_type, sf_info.channels, &err)) == 0) {
+ if ((src_state = src_new (src_type, source->channels(), &err)) == 0) {
error << string_compose(_("Import: src_new() failed : %1"), src_strerror (err)) << endmsg ;
throw failed_constructor ();
}
@@ -70,7 +69,7 @@ ResampledImportableSource::ResampledImportableSource (const std::string& path,
src_data.input_frames = 0 ;
src_data.data_in = input ;
- src_data.src_ratio = ((float) rate) / sf_info.samplerate ;
+ src_data.src_ratio = ((float) rate) / source->samplerate();
input = new float[blocksize];
}
@@ -90,22 +89,22 @@ ResampledImportableSource::read (Sample* output, nframes_t nframes)
if (src_data.input_frames == 0) {
- src_data.input_frames = ImportableSource::read (input, blocksize);
+ src_data.input_frames = source->read (input, blocksize);
/* The last read will not be a full buffer, so set end_of_input. */
if ((nframes_t) src_data.input_frames < blocksize) {
- src_data.end_of_input = SF_TRUE ;
+ src_data.end_of_input = true;
}
- src_data.input_frames /= sf_info.channels;
- src_data.data_in = input ;
+ src_data.input_frames /= source->channels();
+ src_data.data_in = input;
}
src_data.data_out = output;
if (!src_data.end_of_input) {
- src_data.output_frames = nframes / sf_info.channels ;
+ src_data.output_frames = nframes / source->channels();
} else {
src_data.output_frames = src_data.input_frames;
}
@@ -121,9 +120,9 @@ ResampledImportableSource::read (Sample* output, nframes_t nframes)
return 0;
}
- src_data.data_in += src_data.input_frames_used * sf_info.channels ;
+ src_data.data_in += src_data.input_frames_used * source->channels();
src_data.input_frames -= src_data.input_frames_used ;
- return src_data.output_frames_gen * sf_info.channels;
+ return src_data.output_frames_gen * source->channels();
}