X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fcoreaudiosource.cc;h=90ab07b86d5df7ac1f5104b7cfea6b44ef9f8131;hb=cf52d6e4b40111eb04b244ec054055a4ec15dbe0;hp=d2a9a8c8e650f9df0d1c89748b583b90301480eb;hpb=d752986314eb37151983393c1d62efefe503e47c;p=ardour.git

diff --git a/libs/ardour/coreaudiosource.cc b/libs/ardour/coreaudiosource.cc
index d2a9a8c8e6..90ab07b86d 100644
--- a/libs/ardour/coreaudiosource.cc
+++ b/libs/ardour/coreaudiosource.cc
@@ -1,5 +1,6 @@
 /*
-    Copyright (C) 2006 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
@@ -17,210 +18,218 @@
 
 */
 
-#include <pbd/error.h>
-#include <ardour/coreaudiosource.h>
+#include <algorithm>
+#include <inttypes.h>
 
-#include "i18n.h"
+#include "pbd/error.h"
+#include "ardour/coreaudiosource.h"
+#include "ardour/utils.h"
+
+#ifdef COREAUDIO105
+#include "CAAudioFile.h"
+#else
+#include "CAExtAudioFile.h"
+#endif
+#include "CAStreamBasicDescription.h"
+
+#include <glibmm/fileutils.h>
+
+#include "pbd/i18n.h"
 
 #include <AudioToolbox/AudioFormat.h>
 
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-CoreAudioSource::CoreAudioSource (const XMLNode& node)
-	: AudioFileSource (node)
+/** Create a new CoreAudioSource using session state, which implies that the
+ *  file must already exist.
+ */
+CoreAudioSource::CoreAudioSource (Session& s, const XMLNode& node)
+	: Source (s, node)
+	, AudioFileSource (s, node)
 {
-	init (_name);
-	
-	SourceCreated (this); /* EMIT SIGNAL */
+	init_cafile ();
+
+        assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+	existence_check ();
 }
 
-CoreAudioSource::CoreAudioSource (const string& idstr, Flag flags)
-	: AudioFileSource(idstr, flags)
+/** Create a new CoreAudioSource from an existing file. Sources created with this
+ *  method are never writable or removable.
+ */
+CoreAudioSource::CoreAudioSource (Session& s, const string& path, int chn, Flag flags)
+	: Source (s, DataType::AUDIO, path, Source::Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy))),
+		AudioFileSource (s, path,
+			Source::Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
 {
-	init (idstr);
+	_channel = chn;
+	init_cafile ();
 
-	SourceCreated (this); /* EMIT SIGNAL */
+        assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+	existence_check ();
 }
 
-void 
-CoreAudioSource::init (const string& idstr)
+void
+CoreAudioSource::init_cafile ()
 {
-	string::size_type pos;
-	string file;
+	/* note that we temporarily truncated _id at the colon */
+	try {
+		af.Open(_path.c_str());
 
-	tmpbuf = 0;
-	tmpbufsize = 0;
-	af = 0;
-	OSStatus err = noErr;
+		CAStreamBasicDescription file_format (af.GetFileDataFormat());
+		n_channels = file_format.NumberChannels();
 
-	_name = idstr;
+		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();
+		}
 
-	if ((pos = idstr.find_last_of (':')) == string::npos) {
-		channel = 0;
-		file = idstr;
-	} else {
-		channel = atoi (idstr.substr (pos+1).c_str());
-		file = idstr.substr (0, pos);
-	}
+		_length = af.GetNumberFrames();
 
-	/* note that we temporarily truncated _id at the colon */
-	FSRef fsr;
-	err = FSPathMakeRef ((UInt8*)file.c_str(), &fsr, 0);
-	if (err != noErr) {
-		error << string_compose (_("Could not make reference to file: %1"), name()) << endmsg;
-		throw failed_constructor();
-	}
-
-	err = ExtAudioFileOpen (&fsr, &af);
-	if (err != noErr) {
-		error << string_compose (_("Could not open file: %1"), name()) << endmsg;
-		ExtAudioFileDispose (af);
-		throw failed_constructor();
-	}
-
-	AudioStreamBasicDescription file_asbd;
-	memset(&file_asbd, 0, sizeof(AudioStreamBasicDescription));
-	size_t asbd_size = sizeof(AudioStreamBasicDescription);
-	err = ExtAudioFileGetProperty(af,
-			kExtAudioFileProperty_FileDataFormat, &asbd_size, &file_asbd);
-	if (err != noErr) {
-		error << string_compose (_("Could not get file data format for file: %1"), name()) << endmsg;
-		ExtAudioFileDispose (af);
-		throw failed_constructor();
-	}
-	n_channels = file_asbd.mChannelsPerFrame;
-
-	cerr << "number of channels: " << n_channels << endl;
-	
-	if (channel >= n_channels) {
-		error << string_compose(_("CoreAudioSource: file only contains %1 channels; %2 is invalid as a channel number"), n_channels, channel) << endmsg;
-		ExtAudioFileDispose (af);
-		throw failed_constructor();
-	}
-
-	int64_t ca_frames;
-	size_t prop_size = sizeof(int64_t);
-
-	err = ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &prop_size, &ca_frames);
-	if (err != noErr) {
-		error << string_compose (_("Could not get file length for file: %1"), name()) << endmsg;
-		ExtAudioFileDispose (af);
-		throw failed_constructor();
-	}
-
-	_length = ca_frames;
-	_path = file;
-
-	AudioStreamBasicDescription client_asbd;
-	memset(&client_asbd, 0, sizeof(AudioStreamBasicDescription));
-	client_asbd.mSampleRate = file_asbd.mSampleRate;
-	client_asbd.mFormatID = kAudioFormatLinearPCM;
-	client_asbd.mFormatFlags = kLinearPCMFormatFlagIsFloat;
-	client_asbd.mBytesPerPacket = file_asbd.mChannelsPerFrame * 4;
-	client_asbd.mFramesPerPacket = 1;
-	client_asbd.mBytesPerFrame = client_asbd.mBytesPerPacket;
-	client_asbd.mChannelsPerFrame = file_asbd.mChannelsPerFrame;
-	client_asbd.mBitsPerChannel = 32;
-
-	err = ExtAudioFileSetProperty (af, kExtAudioFileProperty_ClientDataFormat, asbd_size, &client_asbd);
-	if (err != noErr) {
-		error << string_compose (_("Could not set client data format for file: %1"), name()) << endmsg;
-		ExtAudioFileDispose (af);
+		CAStreamBasicDescription client_format (file_format);
+
+		/* set canonial form (PCM, native float packed, 32 bit, with the correct number of channels
+		   and interleaved (since we plan to deinterleave ourselves)
+		*/
+
+		client_format.SetCanonical(client_format.NumberChannels(), true);
+		af.SetClientFormat (client_format);
+
+	} catch (CAXException& cax) {
+
+		error << string_compose(_("CoreAudioSource: cannot open file \"%1\" for %2"),
+					_path, (writable() ? "read+write" : "reading")) << endmsg;
 		throw failed_constructor ();
 	}
-	
-	if (_build_peakfiles) {
-		if (initialize_peakfile (false, file)) {
-			error << string_compose(_("initialize peakfile failed for file %1"), name()) << endmsg;
-			ExtAudioFileDispose (af);
-			throw failed_constructor ();
-		}
-	}
 }
 
 CoreAudioSource::~CoreAudioSource ()
 {
-	GoingAway (this); /* EMIT SIGNAL */
-
-	if (af) {
-		ExtAudioFileDispose (af);
-	}
+}
 
-	if (tmpbuf) {
-		delete [] tmpbuf;
-	}
+void
+CoreAudioSource::close ()
+{
+	af.Close ();
 }
 
-jack_nframes_t
-CoreAudioSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt) const
+int
+CoreAudioSource::safe_read (Sample* dst, framepos_t start, framecnt_t cnt, AudioBufferList& abl) const
 {
-	OSStatus err = noErr;
+	framecnt_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.val().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) {
+			error << string_compose("CoreAudioSource: %1 (%2)", cax.mOperation, _name);
+			return -1;
+		}
+
+		if (new_cnt == 0) {
+			/* EOF */
+			if (start+cnt == _length) {
+				/* we really did hit the end */
+				nread = cnt;
+			}
+			break;
+		}
 
-	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;
+		nread += new_cnt;
+	}
+
+	if (nread < cnt) {
+		return -1;
+	} else {
 		return 0;
 	}
+}
+
 
+framecnt_t
+CoreAudioSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const
+{
+	framecnt_t file_cnt;
 	AudioBufferList abl;
+
 	abl.mNumberBuffers = 1;
 	abl.mBuffers[0].mNumberChannels = n_channels;
-	abl.mBuffers[0].mDataByteSize = cnt * sizeof(Sample);
-	abl.mBuffers[0].mData = dst;
 
-	if (n_channels == 1) {
-		err = ExtAudioFileRead(af, (UInt32*) &cnt, &abl);
-		_read_data_count = cnt * sizeof(float);
-		return cnt;
+	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;
 	}
 
-	uint32_t real_cnt = cnt * n_channels;
+	if (file_cnt != cnt) {
+		frameoffset_t delta = cnt - file_cnt;
+		memset (dst+file_cnt, 0, sizeof (Sample) * delta);
+	}
 
-	{
-		Glib::Mutex::Lock lm (_tmpbuf_lock);
-		
-		if (tmpbufsize < real_cnt) {
-			
-			if (tmpbuf) {
-				delete [] tmpbuf;
+	if (file_cnt) {
+
+		if (n_channels == 1) {
+			if (safe_read (dst, start, file_cnt, abl) == 0) {
+				return cnt;
 			}
-			tmpbufsize = real_cnt;
-			tmpbuf = new float[tmpbufsize];
+			return 0;
 		}
+	}
 
-		abl.mBuffers[0].mDataByteSize = real_cnt * sizeof(Sample);
-		abl.mBuffers[0].mData = tmpbuf;
-		
-		err = ExtAudioFileRead(af, (UInt32*) &real_cnt, &abl);
-		float *ptr = tmpbuf + channel;
-		real_cnt /= n_channels;
-		
-		/* stride through the interleaved data */
-		
-		for (uint32_t n = 0; n < real_cnt; ++n) {
-			dst[n] = *ptr;
-			ptr += n_channels;
-		}
+	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);
-		
-	return real_cnt;
+	Sample *ptr = interleave_buf + _channel;
+
+	/* stride through the interleaved data */
+
+	for (framecnt_t n = 0; n < file_cnt; ++n) {
+		dst[n] = *ptr;
+		ptr += n_channels;
+	}
+
+	return cnt;
 }
 
 float
 CoreAudioSource::sample_rate() const
 {
-        AudioStreamBasicDescription client_asbd;
-        memset(&client_asbd, 0, sizeof(AudioStreamBasicDescription));
-
-	OSStatus err = noErr;
-	size_t asbd_size = sizeof(AudioStreamBasicDescription);
+	CAStreamBasicDescription client_asbd;
 
-        err = ExtAudioFileSetProperty (af, kExtAudioFileProperty_ClientDataFormat, asbd_size, &client_asbd);
-        if (err != noErr) {
-		error << string_compose(_("Could not detect samplerate for: %1"), name()) << endmsg;
+	try {
+		client_asbd = af.GetClientDataFormat ();
+	} catch (CAXException& cax) {
+		error << string_compose("CoreAudioSource: %1 (%2)", cax.mOperation, _name);
 		return 0.0;
 	}
 
@@ -228,8 +237,171 @@ CoreAudioSource::sample_rate() const
 }
 
 int
-CoreAudioSource::update_header (jack_nframes_t when, struct tm&, time_t)
+CoreAudioSource::update_header (framepos_t, struct tm&, time_t)
 {
 	return 0;
 }
 
+int
+CoreAudioSource::get_soundfile_info (string path, SoundFileInfo& _info, string&)
+{
+#ifdef COREAUDIO105
+	FSRef ref;
+#endif
+	ExtAudioFileRef af = 0;
+	UInt32 size;
+	CFStringRef name;
+	int ret = -1;
+
+#ifdef COREAUDIO105
+	if (FSPathMakeRef ((UInt8*)path.c_str(), &ref, 0) != noErr) {
+		goto out;
+	}
+
+	if (ExtAudioFileOpen(&ref, &af) != noErr) {
+		goto out;
+	}
+#else
+	CFURLRef url = CFURLCreateFromFileSystemRepresentation (kCFAllocatorDefault, (const UInt8*)path.c_str (), strlen (path.c_str ()), false);
+	OSStatus res = ExtAudioFileOpenURL(url, &af);
+	if (url) CFRelease (url);
+
+	if (res != noErr) {
+		goto out;
+	}
+#endif
+
+	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;
+
+	size = sizeof(_info.length);
+	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;
+	}
+
+	_info.format_name = "";
+
+	if (absd.mFormatID == kAudioFormatLinearPCM) {
+		if (absd.mFormatFlags & kAudioFormatFlagIsBigEndian) {
+			_info.format_name += "big-endian";
+		} 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 {
+			if (absd.mFormatFlags & kAudioFormatFlagIsSignedInteger) {
+				_info.format_name += "signed";
+			} else {
+				_info.format_name += "unsigned";
+			}
+			/* 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 += ' ';
+	}
+
+	switch (absd.mFormatID) {
+		case kAudioFormatLinearPCM:
+			_info.format_name += "PCM";
+			break;
+
+		case kAudioFormatAC3:
+			_info.format_name += "AC3";
+			break;
+
+		case kAudioFormat60958AC3:
+			_info.format_name += "60958 AC3";
+			break;
+
+		case kAudioFormatMPEGLayer1:
+			_info.format_name += "MPEG-1";
+			break;
+
+		case kAudioFormatMPEGLayer2:
+			_info.format_name += "MPEG-2";
+			break;
+
+		case kAudioFormatMPEGLayer3:
+			_info.format_name += "MPEG-3";
+			break;
+
+		case kAudioFormatAppleIMA4:
+			_info.format_name += "IMA-4";
+			break;
+
+		case kAudioFormatMPEG4AAC:
+			_info.format_name += "AAC";
+			break;
+
+		case kAudioFormatMPEG4CELP:
+			_info.format_name += "CELP";
+			break;
+
+		case kAudioFormatMPEG4HVXC:
+			_info.format_name += "HVXC";
+			break;
+
+		case kAudioFormatMPEG4TwinVQ:
+			_info.format_name += "TwinVQ";
+			break;
+
+			/* these really shouldn't show up, but we should do something
+			   somewhere else to make sure that doesn't happen. until
+			   that is guaranteed, print something anyway.
+			   */
+
+		case kAudioFormatTimeCode:
+			_info.format_name += "timecode";
+			break;
+
+		case kAudioFormatMIDIStream:
+			_info.format_name += "MIDI";
+			break;
+
+		case kAudioFormatParameterValueStream:
+			_info.format_name += "parameter values";
+			break;
+	}
+
+	// XXX it would be nice to find a way to get this information if it exists
+
+	_info.timecode = 0;
+	ret = 0;
+
+out:
+	ExtAudioFileDispose (af);
+	return ret;
+
+}
+
+void
+CoreAudioSource::set_path (const string& p)
+{
+        FileSource::set_path (p);
+}