#define __STDC_FORMAT_MACROS
#include <inttypes.h>
-#include <pbd/error.h>
-#include <ardour/coreaudiosource.h>
-#include <ardour/utils.h>
+#include "pbd/error.h"
+#include "ardour/coreaudiosource.h"
+#include "ardour/utils.h"
#include <appleutility/CAAudioFile.h>
#include <appleutility/CAStreamBasicDescription.h>
using namespace PBD;
CoreAudioSource::CoreAudioSource (Session& s, const XMLNode& node)
- : AudioFileSource (s, node)
+ : Source (s, node)
+ , AudioFileSource (s, node)
{
- init ();
+ init_cafile ();
}
CoreAudioSource::CoreAudioSource (Session& s, const string& path, int chn, Flag flags)
/* files created this way are never writable or removable */
- : AudioFileSource (s, path,
+ : Source (s, DataType::AUDIO, path, Source::Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy))),
+ AudioFileSource (s, path,
Source::Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
{
_channel = chn;
- init ();
+ init_cafile ();
}
-void
-CoreAudioSource::init ()
+void
+CoreAudioSource::init_cafile ()
{
/* note that we temporarily truncated _id at the colon */
try {
CAStreamBasicDescription file_format (af.GetFileDataFormat());
n_channels = file_format.NumberChannels();
-
+
if (_channel >= n_channels) {
error << string_compose("CoreAudioSource: file only contains %1 channels; %2 is invalid as a channel number (%3)", n_channels, _channel, name()) << endmsg;
throw failed_constructor();
af.SetClientFormat (client_format);
} catch (CAXException& cax) {
-
- error << string_compose(_("CoreAudioSource: cannot open file \"%1\" for %2"),
+
+ error << string_compose(_("CoreAudioSource: cannot open file \"%1\" for %2"),
_path, (writable() ? "read+write" : "reading")) << endmsg;
throw failed_constructor ();
}
CoreAudioSource::~CoreAudioSource ()
{
- GoingAway (); /* EMIT SIGNAL */
}
int
nframes_t nread = 0;
while (nread < cnt) {
-
+
try {
af.Seek (start+nread);
} catch (CAXException& cax) {
error << string_compose("CoreAudioSource: %1 to %2 (%3)", cax.mOperation, start+nread, _name.substr (1)) << endmsg;
return -1;
}
-
+
UInt32 new_cnt = cnt - nread;
-
+
abl.mBuffers[0].mDataByteSize = new_cnt * n_channels * sizeof(Sample);
abl.mBuffers[0].mData = dst + nread;
-
+
try {
af.Read (new_cnt, &abl);
} catch (CAXException& cax) {
return 0;
}
}
-
+
nframes_t
-CoreAudioSource::read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const
+CoreAudioSource::read_unlocked (Sample *dst, framepos_t start, nframes_t cnt) const
{
nframes_t file_cnt;
AudioBufferList abl;
if (start > _length) {
/* read starts beyond end of data, just memset to zero */
-
+
file_cnt = 0;
} else if (start + cnt > _length) {
-
+
/* read ends beyond end of data, read some, memset the rest */
-
+
file_cnt = _length - start;
} else {
-
+
/* read is entirely within data */
file_cnt = cnt;
}
Sample* interleave_buf = get_interleave_buffer (file_cnt * n_channels);
-
+
if (safe_read (interleave_buf, start, file_cnt, abl) != 0) {
return 0;
}
_read_data_count = cnt * sizeof(float);
Sample *ptr = interleave_buf + _channel;
-
+
/* stride through the interleaved data */
-
+
for (uint32_t n = 0; n < file_cnt; ++n) {
dst[n] = *ptr;
ptr += n_channels;
}
int
-CoreAudioSource::update_header (nframes_t when, struct tm&, time_t)
+CoreAudioSource::update_header (framepos_t when, struct tm&, time_t)
{
return 0;
}
int
CoreAudioSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg)
{
- FSRef ref;
+ FSRef ref;
ExtAudioFileRef af = 0;
size_t size;
CFStringRef name;
if (FSPathMakeRef ((UInt8*)path.c_str(), &ref, 0) != noErr) {
goto out;
}
-
+
if (ExtAudioFileOpen(&ref, &af) != noErr) {
goto out;
}
-
+
AudioStreamBasicDescription absd;
memset(&absd, 0, sizeof(absd));
size = sizeof(AudioStreamBasicDescription);
if (ExtAudioFileGetProperty (af, kExtAudioFileProperty_FileDataFormat, &size, &absd) != noErr) {
goto out;
}
-
+
_info.samplerate = absd.mSampleRate;
_info.channels = absd.mChannelsPerFrame;
if (ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &size, &_info.length) != noErr) {
goto out;
}
-
+
size = sizeof(CFStringRef);
if (AudioFormatGetProperty(kAudioFormatProperty_FormatName, sizeof(absd), &absd, &size, &name) != noErr) {
goto out;
} else {
_info.format_name += "little-endian";
}
-
+
char buf[32];
snprintf (buf, sizeof (buf), " %" PRIu32 " bit", absd.mBitsPerChannel);
_info.format_name += buf;
_info.format_name += '\n';
-
+
if (absd.mFormatFlags & kAudioFormatFlagIsFloat) {
_info.format_name += "float";
} else {
}
/* integer is typical, do not show it */
}
-
+
if (_info.channels > 1) {
if (absd.mFormatFlags & kAudioFormatFlagIsNonInterleaved) {
_info.format_name += " noninterleaved";
}
/* interleaved is the normal case, do not show it */
}
-
+
_info.format_name += ' ';
}
_info.timecode = 0;
ret = 0;
-
+
out:
ExtAudioFileDispose (af);
return ret;
-
+
+}
+
+void
+CoreAudioSource::set_path (const string& p)
+{
+ FileSource::set_path (p);
}