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-rw-r--r--libs/ardour/import.cc380
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diff --git a/libs/ardour/import.cc b/libs/ardour/import.cc
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+/*
+ Copyright (C) 2000 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.
+
+ $Id$
+*/
+
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+#include <climits>
+#include <cerrno>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <time.h>
+
+#include <sndfile.h>
+#include <samplerate.h>
+
+#include <pbd/basename.h>
+#include <ardour/ardour.h>
+#include <ardour/session.h>
+#include <ardour/diskstream.h>
+#include <ardour/filesource.h>
+#include <ardour/sndfile_helpers.h>
+#include <ardour/audioregion.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+
+#define BLOCKSIZE 2048U
+
+int
+Session::import_audiofile (import_status& status)
+{
+ SNDFILE *in;
+ FileSource **newfiles = 0;
+ ARDOUR::AudioRegion::SourceList sources;
+ SF_INFO info;
+ float *data = 0;
+ Sample **channel_data = 0;
+ long nfiles = 0;
+ long n;
+ string basepath;
+ string sounds_dir;
+ jack_nframes_t so_far;
+ char buf[PATH_MAX+1];
+ int ret = -1;
+ vector<AudioRegion *> new_regions;
+ vector<string> new_paths;
+ struct tm* now;
+ string tmp_convert_file;
+
+ if ((in = sf_open (status.pathname.c_str(), SFM_READ, &info)) == 0) {
+ error << compose(_("Import: cannot open input sound file \"%1\""), status.pathname) << endmsg;
+ return -1;
+ } else {
+ if ((uint32_t) info.samplerate != frame_rate()) {
+ sf_close(in);
+ status.doing_what = _("resampling audio");
+ // resample to session frame_rate
+ if (sample_rate_convert(status, status.pathname, tmp_convert_file)) {
+ if ((in = sf_open (tmp_convert_file.c_str(), SFM_READ, &info)) == 0) {
+ error << compose(_("Import: cannot open converted sound file \"%1\""), tmp_convert_file) << endmsg;
+ return -1;
+ }
+ } else if (!status.cancel){
+ // error
+ error << compose(_("Import: error while resampling sound file \"%1\""), status.pathname) << endmsg;
+ return -1;
+ } else {
+ // canceled
+ goto out;
+ }
+ }
+ }
+
+ newfiles = new FileSource *[info.channels];
+ for (n = 0; n < info.channels; ++n) {
+ newfiles[n] = 0;
+ }
+
+ sounds_dir = discover_best_sound_dir ();
+ basepath = PBD::basename_nosuffix (status.pathname);
+
+ for (n = 0; n < info.channels; ++n) {
+
+ bool goodfile = false;
+
+ do {
+ if (info.channels == 2) {
+ if (n == 0) {
+ snprintf (buf, sizeof(buf), "%s%s-L.wav", sounds_dir.c_str(), basepath.c_str());
+ } else {
+ snprintf (buf, sizeof(buf), "%s%s-R.wav", sounds_dir.c_str(), basepath.c_str());
+ }
+ } else if (info.channels > 1) {
+ snprintf (buf, sizeof(buf), "%s%s-c%lu.wav", sounds_dir.c_str(), basepath.c_str(), n+1);
+ } else {
+ snprintf (buf, sizeof(buf), "%s%s.wav", sounds_dir.c_str(), basepath.c_str());
+ }
+
+ if (::access (buf, F_OK) == 0) {
+
+ /* if the file already exists, we must come up with
+ * a new name for it. for now we just keep appending
+ * _ to basepath
+ */
+
+ basepath += "_";
+
+ } else {
+
+ goodfile = true;
+ }
+
+ } while ( !goodfile);
+
+
+ try {
+ newfiles[n] = new FileSource (buf, frame_rate());
+ }
+
+ catch (failed_constructor& err) {
+ error << compose(_("Session::import_audiofile: cannot open new file source for channel %1"), n+1) << endmsg;
+ goto out;
+ }
+
+ new_paths.push_back (buf);
+ nfiles++;
+ }
+
+
+ data = new float[BLOCKSIZE * info.channels];
+ channel_data = new Sample * [ info.channels ];
+
+ for (n = 0; n < info.channels; ++n) {
+ channel_data[n] = new Sample[BLOCKSIZE];
+ }
+
+ so_far = 0;
+
+ status.doing_what = _("converting audio");
+ status.progress = 0.0;
+
+ while (!status.cancel) {
+
+ long nread;
+ long x;
+ long chn;
+
+ if ((nread = sf_readf_float (in, data, BLOCKSIZE)) == 0) {
+ break;
+ }
+
+ /* de-interleave */
+
+ for (chn = 0; chn < info.channels; ++chn) {
+ for (x = chn, n = 0; n < nread; x += info.channels, ++n) {
+ channel_data[chn][n] = (Sample) data[x];
+ }
+ }
+
+ /* flush to disk */
+
+ for (chn = 0; chn < info.channels; ++chn) {
+ newfiles[chn]->write (channel_data[chn], nread);
+ }
+
+ so_far += nread;
+ status.progress = so_far / (float) (info.frames * info.channels);
+ }
+
+ if (status.multichan) {
+ status.doing_what = _("building region");
+ } else {
+ status.doing_what = _("building regions");
+ }
+
+ status.freeze = true;
+
+ time_t xnow;
+ time (&xnow);
+ now = localtime (&xnow);
+
+ if (status.cancel) {
+ goto out;
+ }
+
+ if (status.multichan) {
+ /* all sources are used in a single multichannel region */
+ for (n = 0; n < nfiles && !status.cancel; ++n) {
+ /* flush the final length to the header */
+ newfiles[n]->update_header(0, *now, xnow);
+ sources.push_back(newfiles[n]);
+ }
+
+ AudioRegion *r = new AudioRegion (sources, 0, newfiles[0]->length(), region_name_from_path (PBD::basename(basepath)),
+ 0, AudioRegion::Flag (AudioRegion::DefaultFlags | AudioRegion::WholeFile));
+
+ new_regions.push_back (r);
+
+ } else {
+ for (n = 0; n < nfiles && !status.cancel; ++n) {
+
+ /* flush the final length to the header */
+
+ newfiles[n]->update_header(0, *now, xnow);
+
+ /* The sources had zero-length when created, which means that the Session
+ did not bother to create whole-file AudioRegions for them. Do it now.
+ */
+
+ AudioRegion *r = new AudioRegion (*newfiles[n], 0, newfiles[n]->length(), region_name_from_path (PBD::basename (newfiles[n]->name())),
+ 0, AudioRegion::Flag (AudioRegion::DefaultFlags | AudioRegion::WholeFile | AudioRegion::Import));
+
+ new_regions.push_back (r);
+ }
+ }
+
+ /* save state so that we don't lose these new Sources */
+
+ if (!status.cancel) {
+ save_state (_name);
+ }
+
+ ret = 0;
+
+ out:
+
+ if (data) {
+ delete [] data;
+ }
+
+ if (channel_data) {
+ for (n = 0; n < info.channels; ++n) {
+ delete [] channel_data[n];
+ }
+ delete [] channel_data;
+ }
+
+ if (status.cancel) {
+ for (vector<AudioRegion *>::iterator i = new_regions.begin(); i != new_regions.end(); ++i) {
+ delete *i;
+ }
+
+ for (vector<string>::iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
+ unlink ((*i).c_str());
+ }
+ }
+
+ if (newfiles) {
+ delete [] newfiles;
+ }
+
+ if (tmp_convert_file.length()) {
+ unlink(tmp_convert_file.c_str());
+ }
+
+ sf_close (in);
+ status.done = true;
+ return ret;
+}
+
+string
+Session::build_tmp_convert_name(string infile)
+{
+ string tmp_name(_path + "/." + PBD::basename (infile.c_str()) + "XXXXXX");
+ char* tmp = new char[tmp_name.length() + 1];
+ tmp_name.copy(tmp, string::npos);
+ tmp[tmp_name.length()] = 0;
+ mkstemp(tmp);
+ string outfile = tmp;
+ delete [] tmp;
+
+ return outfile;
+}
+
+bool
+Session::sample_rate_convert (import_status& status, string infile, string& outfile)
+{
+ float input [BLOCKSIZE] ;
+ float output [BLOCKSIZE] ;
+
+ SF_INFO sf_info;
+ SRC_STATE* src_state ;
+ SRC_DATA src_data ;
+ int err ;
+ sf_count_t output_count = 0 ;
+ sf_count_t input_count = 0;
+
+ SNDFILE* in = sf_open(infile.c_str(), SFM_READ, &sf_info);
+ sf_count_t total_input_frames = sf_info.frames;
+
+ outfile = build_tmp_convert_name(infile);
+ SNDFILE* out = sf_open(outfile.c_str(), SFM_RDWR, &sf_info);
+ if(!out) {
+ error << compose(_("Import: could not open temp file: %1"), outfile) << endmsg;
+ return false;
+ }
+
+ sf_seek (in, 0, SEEK_SET) ;
+ sf_seek (out, 0, SEEK_SET) ;
+
+ /* Initialize the sample rate converter. */
+ if ((src_state = src_new (SRC_SINC_BEST_QUALITY, sf_info.channels, &err)) == 0) {
+ error << compose(_("Import: src_new() failed : %1"), src_strerror (err)) << endmsg ;
+ return false ;
+ }
+
+ src_data.end_of_input = 0 ; /* Set this later. */
+
+ /* Start with zero to force load in while loop. */
+ src_data.input_frames = 0 ;
+ src_data.data_in = input ;
+
+ src_data.src_ratio = (1.0 * frame_rate()) / sf_info.samplerate ;
+
+ src_data.data_out = output ;
+ src_data.output_frames = BLOCKSIZE / sf_info.channels ;
+
+ while (!status.cancel) {
+ /* If the input buffer is empty, refill it. */
+ if (src_data.input_frames == 0) {
+ src_data.input_frames = sf_readf_float (in, input, BLOCKSIZE / sf_info.channels) ;
+ src_data.data_in = input ;
+
+ /* The last read will not be a full buffer, so snd_of_input. */
+ if (src_data.input_frames < (int)BLOCKSIZE / sf_info.channels) {
+ src_data.end_of_input = SF_TRUE ;
+ }
+ }
+
+ if ((err = src_process (src_state, &src_data))) {
+ error << compose(_("Import: %1"), src_strerror (err)) << endmsg ;
+ return false ;
+ }
+
+ /* Terminate if at end */
+ if (src_data.end_of_input && src_data.output_frames_gen == 0) {
+ break ;
+ }
+
+ /* Write output. */
+ sf_writef_float (out, output, src_data.output_frames_gen) ;
+ output_count += src_data.output_frames_gen ;
+ input_count += src_data.input_frames_used;
+
+ src_data.data_in += src_data.input_frames_used * sf_info.channels ;
+ src_data.input_frames -= src_data.input_frames_used ;
+
+ status.progress = (float) input_count / total_input_frames;
+ }
+
+ src_state = src_delete (src_state) ;
+ sf_close(in);
+ sf_close(out);
+
+ status.done = true;
+
+ if (status.cancel) {
+ return false;
+ } else {
+ return true ;
+ }
+}
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