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livetrax/libs/ardour/audiofilesource.cc
Paul Davis 2cb3cbe491 change the semantics of AudioFileSource::peak_path() and Session::peak_path() a little.
If given a full path that points outside the current session but is within another ardour session,
attempt to use the peakfiles present in that other session.
2015-05-28 19:08:47 -04:00

432 lines
9.7 KiB
C++

/*
Copyright (C) 2006 Paul Davis
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <vector>
#include <sys/time.h>
#include <sys/stat.h>
#include <stdio.h> // for rename(), sigh
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "pbd/convert.h"
#include "pbd/basename.h"
#include "pbd/file_utils.h"
#include "pbd/mountpoint.h"
#include "pbd/stl_delete.h"
#include "pbd/strsplit.h"
#include "pbd/shortpath.h"
#include "pbd/stacktrace.h"
#include "pbd/enumwriter.h"
#include <sndfile.h>
#include <glib/gstdio.h>
#include <glibmm/miscutils.h>
#include <glibmm/fileutils.h>
#include <glibmm/threads.h>
#include "ardour/audiofilesource.h"
#include "ardour/debug.h"
#include "ardour/sndfilesource.h"
#include "ardour/session.h"
#include "ardour/filename_extensions.h"
// if these headers come before sigc++ is included
// the parser throws ObjC++ errors. (nil is a keyword)
#ifdef HAVE_COREAUDIO
#include "ardour/coreaudiosource.h"
#include <AudioToolbox/ExtendedAudioFile.h>
#include <AudioToolbox/AudioFormat.h>
#endif // HAVE_COREAUDIO
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Glib;
string AudioFileSource::peak_dir = "";
PBD::Signal0<void> AudioFileSource::HeaderPositionOffsetChanged;
framecnt_t AudioFileSource::header_position_offset = 0;
/* XXX maybe this too */
char AudioFileSource::bwf_serial_number[13] = "000000000000";
struct SizedSampleBuffer {
framecnt_t size;
Sample* buf;
SizedSampleBuffer (framecnt_t sz) : size (sz) {
buf = new Sample[size];
}
~SizedSampleBuffer() {
delete [] buf;
}
};
Glib::Threads::Private<SizedSampleBuffer> thread_interleave_buffer;
/** Constructor used for existing external-to-session files. */
AudioFileSource::AudioFileSource (Session& s, const string& path, Source::Flag flags)
: Source (s, DataType::AUDIO, path, flags)
, AudioSource (s, path)
/* note that external files have their own path as "origin" */
, FileSource (s, DataType::AUDIO, path, path, flags)
{
if (init (_path, true)) {
throw failed_constructor ();
}
}
/** Constructor used for new internal-to-session files. */
AudioFileSource::AudioFileSource (Session& s, const string& path, const string& origin, Source::Flag flags,
SampleFormat /*samp_format*/, HeaderFormat /*hdr_format*/)
: Source (s, DataType::AUDIO, path, flags)
, AudioSource (s, path)
, FileSource (s, DataType::AUDIO, path, origin, flags)
{
/* note that origin remains empty */
if (init (_path, false)) {
throw failed_constructor ();
}
}
/** Constructor used for existing internal-to-session files during crash
* recovery. File must exist
*/
AudioFileSource::AudioFileSource (Session& s, const string& path, Source::Flag flags, bool /* ignored-exists-for-prototype differentiation */)
: Source (s, DataType::AUDIO, path, flags)
, AudioSource (s, path)
, FileSource (s, DataType::AUDIO, path, string(), flags)
{
/* note that origin remains empty */
if (init (_path, true)) {
throw failed_constructor ();
}
}
/** Constructor used for existing internal-to-session files via XML. File must exist. */
AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exist)
: Source (s, node)
, AudioSource (s, node)
, FileSource (s, node, must_exist)
{
if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor ();
}
if (init (_path, must_exist)) {
throw failed_constructor ();
}
}
AudioFileSource::~AudioFileSource ()
{
DEBUG_TRACE (DEBUG::Destruction, string_compose ("AudioFileSource destructor %1, removable? %2\n", _path, removable()));
if (removable()) {
::g_unlink (_path.c_str());
::g_unlink (peakpath.c_str());
}
}
int
AudioFileSource::init (const string& pathstr, bool must_exist)
{
return FileSource::init (pathstr, must_exist);
}
string
AudioFileSource::peak_path (string audio_path)
{
string base;
string::size_type suffix = audio_path.find_last_of ('.');
if (suffix != string::npos) {
base = audio_path.substr (0, suffix);
} else {
warning << string_compose (_("Odd audio file path: %1"), audio_path) << endmsg;
base = audio_path;
}
base += '%';
base += (char) ('A' + _channel);
/* pass in the name/path of the source, with no audio file type suffix
*/
return _session.peak_path (base);
}
string
AudioFileSource::find_broken_peakfile (string peak_path, string audio_path)
{
string str;
/* check for the broken location in use by 2.0 for several months */
str = broken_peak_path (audio_path);
if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
if (!within_session()) {
/* it would be nice to rename it but the nature of
the bug means that we can't reliably use it.
*/
peak_path = str;
} else {
/* all native files are mono, so we can just rename
it.
*/
::rename (str.c_str(), peak_path.c_str());
}
} else {
/* Nasty band-aid for older sessions that were created before we
used libsndfile for all audio files.
*/
#ifndef PLATFORM_WINDOWS // there's no old_peak_path() for windows
str = old_peak_path (audio_path);
if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
peak_path = str;
}
#endif
}
return peak_path;
}
string
AudioFileSource::broken_peak_path (string audio_path)
{
return _session.peak_path (basename_nosuffix (audio_path));
}
string
AudioFileSource::old_peak_path (string audio_path)
{
/* XXX hardly bombproof! fix me */
struct stat stat_file;
struct stat stat_mount;
string mp = mountpoint (audio_path);
stat (audio_path.c_str(), &stat_file);
stat (mp.c_str(), &stat_mount);
char buf[32];
#ifdef __APPLE__
snprintf (buf, sizeof (buf), "%llu-%llu-%d.peak",
(unsigned long long)stat_mount.st_ino,
(unsigned long long)stat_file.st_ino,
_channel);
#else
snprintf (buf, sizeof (buf), "%" PRId64 "-%" PRId64 "-%d.peak", (int64_t) stat_mount.st_ino, (int64_t) stat_file.st_ino, _channel);
#endif
string res = peak_dir;
res += buf;
res += peakfile_suffix;
return res;
}
bool
AudioFileSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg)
{
/* try sndfile first because it gets timecode info from .wav (BWF) if it exists,
which at present, ExtAudioFile from Apple seems unable to do.
*/
if (SndFileSource::get_soundfile_info (path, _info, error_msg) != 0) {
return true;
}
#ifdef HAVE_COREAUDIO
if (CoreAudioSource::get_soundfile_info (path, _info, error_msg) == 0) {
return true;
}
#endif // HAVE_COREAUDIO
return false;
}
XMLNode&
AudioFileSource::get_state ()
{
XMLNode& root (AudioSource::get_state());
char buf[32];
snprintf (buf, sizeof (buf), "%u", _channel);
root.add_property (X_("channel"), buf);
root.add_property (X_("origin"), _origin);
return root;
}
int
AudioFileSource::set_state (const XMLNode& node, int version)
{
if (Source::set_state (node, version)) {
return -1;
}
if (AudioSource::set_state (node, version)) {
return -1;
}
if (FileSource::set_state (node, version)) {
return -1;
}
return 0;
}
void
AudioFileSource::mark_streaming_write_completed (const Lock& lock)
{
if (!writable()) {
return;
}
AudioSource::mark_streaming_write_completed (lock);
}
int
AudioFileSource::move_dependents_to_trash()
{
return ::g_unlink (peakpath.c_str());
}
void
AudioFileSource::set_header_position_offset (framecnt_t offset)
{
header_position_offset = offset;
HeaderPositionOffsetChanged ();
}
bool
AudioFileSource::is_empty (Session& /*s*/, string path)
{
SoundFileInfo info;
string err;
if (!get_soundfile_info (path, info, err)) {
/* dangerous: we can't get info, so assume that its not empty */
return false;
}
return info.length == 0;
}
int
AudioFileSource::setup_peakfile ()
{
if (!(_flags & NoPeakFile)) {
return initialize_peakfile (_path);
} else {
return 0;
}
}
bool
AudioFileSource::safe_audio_file_extension(const string& file)
{
const char* suffixes[] = {
".aif", ".AIF",
".aifc", ".AIFC",
".aiff", ".AIFF",
".amb", ".AMB",
".au", ".AU",
".caf", ".CAF",
".cdr", ".CDR",
".flac", ".FLAC",
".htk", ".HTK",
".iff", ".IFF",
".mat", ".MAT",
".oga", ".OGA",
".ogg", ".OGG",
".paf", ".PAF",
".pvf", ".PVF",
".sf", ".SF",
".smp", ".SMP",
".snd", ".SND",
".maud", ".MAUD",
".voc", ".VOC"
".vwe", ".VWE",
".w64", ".W64",
".wav", ".WAV",
#ifdef HAVE_COREAUDIO
".aac", ".AAC",
".adts", ".ADTS",
".ac3", ".AC3",
".amr", ".AMR",
".mpa", ".MPA",
".mpeg", ".MPEG",
".mp1", ".MP1",
".mp2", ".MP2",
".mp3", ".MP3",
".mp4", ".MP4",
".m4a", ".M4A",
".sd2", ".SD2", // libsndfile supports sd2 also, but the resource fork is required to open.
#endif // HAVE_COREAUDIO
};
for (size_t n = 0; n < sizeof(suffixes)/sizeof(suffixes[0]); ++n) {
if (file.rfind (suffixes[n]) == file.length() - strlen (suffixes[n])) {
return true;
}
}
return false;
}
Sample*
AudioFileSource::get_interleave_buffer (framecnt_t size)
{
SizedSampleBuffer* ssb;
if ((ssb = thread_interleave_buffer.get()) == 0) {
ssb = new SizedSampleBuffer (size);
thread_interleave_buffer.set (ssb);
}
if (ssb->size < size) {
ssb = new SizedSampleBuffer (size);
thread_interleave_buffer.set (ssb);
}
return ssb->buf;
}