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coreaudio_source.cc compiles. (finally)

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git-svn-id: svn://localhost/trunk/ardour2@355 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Taybin Rutkin 2006-03-07 17:55:12 +00:00
parent 874ba08fb4
commit c3defb425a
3 changed files with 50 additions and 45 deletions
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2
libs/ardour/SConscript
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@ -164,7 +164,7 @@ if conf.CheckCHeader('/System/Library/Frameworks/CoreMIDI.framework/Headers/Core
if conf.CheckCHeader('/System/Library/Frameworks/AudioToolbox.framework/Headers/ExtendedAudioFile.h'):
ardour.Append(LINKFLAGS="-framework AudioToolbox")
#extra_sources += coreaudio_files
extra_sources += coreaudio_files
ardour = conf.Finish ()

13
libs/ardour/ardour/coreaudio_source.h
View File

@ -15,15 +15,13 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __coreaudio_source_h__
#define __coreaudio_source_h__
#include <ardour/source.h>
#include <AudioToolbox/AudioFile.h>
#include <AudioToolbox/ExtendedAudioFile.h>
namespace ARDOUR {
@ -34,7 +32,7 @@ class CoreAudioSource : public Source {
~CoreAudioSource ();
jack_nframes_t length() const { return _length; }
jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
void mark_for_remove() {} // we never remove external sndfiles
string peak_path(string audio_path);
string old_peak_path(string audio_path);
@ -45,17 +43,16 @@ class CoreAudioSource : public Source {
private:
static string peak_dir;
AudioFileID af;
AudioStreamBasicDescription _info;
ExtAudioFileRef af;
uint16_t channel;
uint16_t n_channels;
mutable float *tmpbuf;
mutable jack_nframes_t tmpbufsize;
mutable PBD::Lock _tmpbuf_lock;
string _path;
void init (const string &str, bool build_peak);
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const;
jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
};
}; /* namespace ARDOUR */

80
libs/ardour/coreaudio_source.cc
View File

@ -1,5 +1,6 @@
/*
Copyright (C) 2000 Paul Davis
Copyright (C) 2006 Paul Davis
Written by Taybin Rutkin
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -15,7 +16,6 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <string>
@ -40,7 +40,7 @@ CoreAudioSource::CoreAudioSource (const XMLNode& node)
}
init (_name, true);
SourceCreated (this); /* EMIT SIGNAL */
SourceCreated (this); /* EMIT SIGNAL */
}
CoreAudioSource::CoreAudioSource (const string& idstr, bool build_peak)
@ -61,7 +61,8 @@ CoreAudioSource::init (const string& idstr, bool build_peak)
tmpbuf = 0;
tmpbufsize = 0;
af_ref = 0;
af = 0;
OSStatus err = noErr;
_name = idstr;
@ -73,32 +74,33 @@ CoreAudioSource::init (const string& idstr, bool build_peak)
file = idstr.substr (0, pos);
}
/* note that we temporarily truncated _id at the colon */
FSRef* ref;
OSStatus err = FSPathMakeRef ((UInt8*)file.c_str(), ref, 0);
if (err) {
err = FSPathMakeRef ((UInt8*)file.c_str(), ref, 0);
if (err != noErr) {
throw failed_constructor();
}
err = AudioFileOpen (ref, 0, fsRdPerm, &af);
if (err) {
err = ExtAudioFileOpen (ref, &af);
if (err != noErr) {
throw failed_constructor();
}
/* XXX get value for n_channels */
UInt32 size = sizeof(AudioStreamBasicDescription);
memset (_info, 0, size);
/* TODO get channels */
n_channels = 0;
if (channel >= n_channels) {
error << string_compose(_("CoreAudioSource: file only contains %1 channels; %2 is invalid as a channel number"), n_channels, channel) << endmsg;
AudioFileClose(af);
ExtAudioFileDispose (af);
throw failed_constructor();
}
int64_t ca_frames;
size_t prop_size = sizeof(ca_frames);
err = ExtAudioFileGetProperty(*af_ref, kExtAudioFileProperty_FileLengthFrames, &prop_size, &ca_frames);
if (err) {
err = ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &prop_size, &ca_frames);
if (err != noErr) {
throw failed_constructor();
}
_length = ca_frames;
@ -107,7 +109,7 @@ CoreAudioSource::init (const string& idstr, bool build_peak)
if (build_peak) {
if (initialize_peakfile (false, file)) {
AudioFileClose(af);
ExtAudioFileDispose (af);
throw failed_constructor ();
}
}
@ -118,8 +120,8 @@ CoreAudioSource::~CoreAudioSource ()
{
GoingAway (this); /* EMIT SIGNAL */
if (af_ref) {
ExtAudioFileDispose(*af_ref);
if (af) {
ExtAudioFileDispose (af);
}
if (tmpbuf) {
@ -128,35 +130,38 @@ CoreAudioSource::~CoreAudioSource ()
}
jack_nframes_t
CoreAudioSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const
CoreAudioSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const
{
return read (dst, start, cnt);
return read (dst, start, cnt, workbuf);
}
jack_nframes_t
CoreAudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const
CoreAudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const
{
uint32_t nread;
int32_t nread;
float *ptr;
uint32_t real_cnt;
OSStatus err = noErr;
OSStatus err = ExtAudioFileSeek(*af_ref, start);
if (err) {
error << string_compose(_("CoreAudioSource: could not seek to frame %1 within %2"), start, _name.substr (1)) << endmsg;
err = ExtAudioFileSeek(af, start);
if (err != noErr) {
error << string_compose(_("CoreAudioSource: could not seek to frame %1 within %2 (%3)"), start, _name.substr (1), err) << endmsg;
return 0;
}
AudioBuffer ab;
ab.mNumberChannels = n_channels;
ab.mDataByteSize = cnt;
ab.mData = dst;
AudioBufferList abl;
abl.mNumberBuffers = 1;
abl.mBuffers[0].mNumberChannels = n_channels;
abl.mBuffers[1] = ab;
if (n_channels == 1) {
abl.mBuffers[0].mDataByteSize = cnt * sizeof(float);
abl.mBuffers[0].mData = dst;
nread = cnt;
err = ExtAudioFileRead(*af_ref, (UInt32*)&nread, &abl);
err = ExtAudioFileRead(af, (UInt32*) &cnt, &abl);
_read_data_count = cnt * sizeof(float);
return nread;
return cnt;
}
real_cnt = cnt * n_channels;
@ -172,15 +177,17 @@ CoreAudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) co
tmpbufsize = real_cnt;
tmpbuf = new float[tmpbufsize];
}
ab.mDataByteSize = real_cnt;
ab.mData = tmpbuf;
nread = real_cnt;
err = ExtAudioFileRead(*af_ref, (UInt32*)&nread, tmpbuf);
err = ExtAudioFileRead(af, (UInt32*) &real_cnt, &abl);
// nread = sf_read_float (af, tmpbuf, real_cnt);
ptr = tmpbuf + channel;
nread /= n_channels;
/* stride through the interleaved data */
for (uint32_t n = 0; n < nread; ++n) {
for (int32_t n = 0; n < nread; ++n) {
dst[n] = *ptr;
ptr += n_channels;
}
@ -188,7 +195,7 @@ CoreAudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) co
_read_data_count = cnt * sizeof(float);
return nread;
return real_cnt;
}
string
@ -218,3 +225,4 @@ CoreAudioSource::old_peak_path (string audio_path)
{
return peak_path (audio_path);
}