From 9c0d7d72d70082a54f823cd44c0ccda5da64bb6f Mon Sep 17 00:00:00 2001 From: Doug McLain Date: Mon, 2 Jun 2008 05:02:28 +0000 Subject: remove empty sigc++2 directory git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf --- libs/ardour/sndfilesource.cc | 900 ------------------------------------------- 1 file changed, 900 deletions(-) delete mode 100644 libs/ardour/sndfilesource.cc (limited to 'libs/ardour/sndfilesource.cc') diff --git a/libs/ardour/sndfilesource.cc b/libs/ardour/sndfilesource.cc deleted file mode 100644 index ab090381b4..0000000000 --- a/libs/ardour/sndfilesource.cc +++ /dev/null @@ -1,900 +0,0 @@ -/* - 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. - -*/ - -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include - -#include "i18n.h" - -using namespace std; -using namespace ARDOUR; -using namespace PBD; -using Glib::ustring; - -gain_t* SndFileSource::out_coefficient = 0; -gain_t* SndFileSource::in_coefficient = 0; -nframes_t SndFileSource::xfade_frames = 64; -const AudioFileSource::Flag SndFileSource::default_writable_flags = AudioFileSource::Flag (AudioFileSource::Writable| - AudioFileSource::Removable| - AudioFileSource::RemovableIfEmpty| - AudioFileSource::CanRename); -SndFileSource::SndFileSource (Session& s, const XMLNode& node) - : AudioFileSource (s, node) -{ - init (); - - if (open()) { - throw failed_constructor (); - } -} - -SndFileSource::SndFileSource (Session& s, ustring path, int chn, Flag flags) - /* files created this way are never writable or removable */ - : AudioFileSource (s, path, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy))) -{ - _channel = chn; - - init (); - - if (open()) { - throw failed_constructor (); - } -} - -SndFileSource::SndFileSource (Session& s, ustring path, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags) - : AudioFileSource (s, path, flags, sfmt, hf) -{ - int fmt = 0; - - init (); - - /* this constructor is used to construct new files, not open - existing ones. - */ - - file_is_new = true; - - switch (hf) { - case CAF: - fmt = SF_FORMAT_CAF; - _flags = Flag (_flags & ~Broadcast); - break; - - case AIFF: - fmt = SF_FORMAT_AIFF; - _flags = Flag (_flags & ~Broadcast); - break; - - case BWF: - fmt = SF_FORMAT_WAV; - _flags = Flag (_flags | Broadcast); - break; - - case WAVE: - fmt = SF_FORMAT_WAV; - _flags = Flag (_flags & ~Broadcast); - break; - - case WAVE64: - fmt = SF_FORMAT_W64; - _flags = Flag (_flags & ~Broadcast); - break; - - default: - fatal << string_compose (_("programming error: %1"), X_("unsupported audio header format requested")) << endmsg; - /*NOTREACHED*/ - break; - - } - - switch (sfmt) { - case FormatFloat: - fmt |= SF_FORMAT_FLOAT; - break; - - case FormatInt24: - fmt |= SF_FORMAT_PCM_24; - break; - - case FormatInt16: - fmt |= SF_FORMAT_PCM_16; - break; - } - - _info.channels = 1; - _info.samplerate = rate; - _info.format = fmt; - - if (open()) { - throw failed_constructor(); - } - - if (writable() && (_flags & Broadcast)) { - - _broadcast_info = new SF_BROADCAST_INFO; - memset (_broadcast_info, 0, sizeof (*_broadcast_info)); - - snprintf (_broadcast_info->description, sizeof (_broadcast_info->description), "BWF %s", _name.c_str()); - - struct utsname utsinfo; - - if (uname (&utsinfo)) { - error << string_compose(_("FileSource: cannot get host information for BWF header (%1)"), strerror(errno)) << endmsg; - return; - } - - snprintf (_broadcast_info->originator, sizeof (_broadcast_info->originator), "ardour:%s:%s:%s:%s:%s)", - Glib::get_real_name().c_str(), - utsinfo.nodename, - utsinfo.sysname, - utsinfo.release, - utsinfo.version); - - _broadcast_info->version = 1; - _broadcast_info->time_reference_low = 0; - _broadcast_info->time_reference_high = 0; - - /* XXX do something about this field */ - - snprintf (_broadcast_info->umid, sizeof (_broadcast_info->umid), "%s", "fnord"); - - /* coding history is added by libsndfile */ - - if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (_broadcast_info)) != SF_TRUE) { - char errbuf[256]; - sf_error_str (0, errbuf, sizeof (errbuf) - 1); - error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"), _path, errbuf) << endmsg; - _flags = Flag (_flags & ~Broadcast); - delete _broadcast_info; - _broadcast_info = 0; - } - } -} - -void -SndFileSource::init () -{ - ustring file; - - // lets try to keep the object initalizations here at the top - xfade_buf = 0; - sf = 0; - _broadcast_info = 0; - - if (is_embedded()) { - _name = _path; - } else { - _name = Glib::path_get_basename (_path); - } - - /* although libsndfile says we don't need to set this, - valgrind and source code shows us that we do. - */ - - memset (&_info, 0, sizeof(_info)); - - _capture_start = false; - _capture_end = false; - file_pos = 0; - - if (destructive()) { - xfade_buf = new Sample[xfade_frames]; - timeline_position = header_position_offset; - } - - AudioFileSource::HeaderPositionOffsetChanged.connect (mem_fun (*this, &SndFileSource::handle_header_position_change)); -} - -int -SndFileSource::open () -{ - if ((sf = sf_open (_path.c_str(), (writable() ? SFM_RDWR : SFM_READ), &_info)) == 0) { - char errbuf[256]; - sf_error_str (0, errbuf, sizeof (errbuf) - 1); -#ifndef HAVE_COREAUDIO - /* if we have CoreAudio, we will be falling back to that if libsndfile fails, - so we don't want to see this message. - */ - - error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"), - _path, (writable() ? "read+write" : "reading"), errbuf) << endmsg; -#endif - return -1; - } - - if (_channel >= _info.channels) { -#ifndef HAVE_COREAUDIO - error << string_compose(_("SndFileSource: file only contains %1 channels; %2 is invalid as a channel number"), _info.channels, _channel) << endmsg; -#endif - sf_close (sf); - sf = 0; - return -1; - } - - _length = _info.frames; - - _broadcast_info = new SF_BROADCAST_INFO; - memset (_broadcast_info, 0, sizeof (*_broadcast_info)); - - bool timecode_info_exists; - - set_timeline_position (get_timecode_info (sf, _broadcast_info, timecode_info_exists)); - - if (_length != 0 && !timecode_info_exists) { - delete _broadcast_info; - _broadcast_info = 0; - _flags = Flag (_flags & ~Broadcast); - } - - if (writable()) { - sf_command (sf, SFC_SET_UPDATE_HEADER_AUTO, 0, SF_FALSE); - } - - return 0; -} - -SndFileSource::~SndFileSource () -{ - GoingAway (); /* EMIT SIGNAL */ - - if (sf) { - sf_close (sf); - sf = 0; - - /* stupid libsndfile updated the headers on close, - so touch the peakfile if it exists and has data - to make sure its time is as new as the audio - file. - */ - - touch_peakfile (); - } - - if (_broadcast_info) { - delete _broadcast_info; - } - - if (xfade_buf) { - delete [] xfade_buf; - } -} - -float -SndFileSource::sample_rate () const -{ - return _info.samplerate; -} - -nframes_t -SndFileSource::read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const -{ - int32_t nread; - float *ptr; - uint32_t real_cnt; - nframes_t file_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; - } - - if (file_cnt != cnt) { - nframes_t delta = cnt - file_cnt; - memset (dst+file_cnt, 0, sizeof (Sample) * delta); - } - - if (file_cnt) { - - if (sf_seek (sf, (sf_count_t) start, SEEK_SET|SFM_READ) != (sf_count_t) start) { - char errbuf[256]; - sf_error_str (0, errbuf, sizeof (errbuf) - 1); - error << string_compose(_("SndFileSource: could not seek to frame %1 within %2 (%3)"), start, _name.substr (1), errbuf) << endmsg; - return 0; - } - - if (_info.channels == 1) { - nframes_t ret = sf_read_float (sf, dst, file_cnt); - _read_data_count = cnt * sizeof(float); - return ret; - } - } - - real_cnt = cnt * _info.channels; - - Sample* interleave_buf = get_interleave_buffer (real_cnt); - - nread = sf_read_float (sf, interleave_buf, real_cnt); - ptr = interleave_buf + _channel; - nread /= _info.channels; - - /* stride through the interleaved data */ - - for (int32_t n = 0; n < nread; ++n) { - dst[n] = *ptr; - ptr += _info.channels; - } - - _read_data_count = cnt * sizeof(float); - - return nread; -} - -nframes_t -SndFileSource::write_unlocked (Sample *data, nframes_t cnt) -{ - if (destructive()) { - return destructive_write_unlocked (data, cnt); - } else { - return nondestructive_write_unlocked (data, cnt); - } -} - -nframes_t -SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt) -{ - if (!writable()) { - warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg; - return 0; - } - - if (_info.channels != 1) { - fatal << string_compose (_("programming error: %1 %2"), X_("SndFileSource::write called on non-mono file"), _path) << endmsg; - /*NOTREACHED*/ - return 0; - } - - nframes_t oldlen; - int32_t frame_pos = _length; - - if (write_float (data, frame_pos, cnt) != cnt) { - return 0; - } - - oldlen = _length; - update_length (oldlen, cnt); - - if (_build_peakfiles) { - compute_and_write_peaks (data, frame_pos, cnt, false, true); - } - - _write_data_count = cnt; - - return cnt; -} - -nframes_t -SndFileSource::destructive_write_unlocked (Sample* data, nframes_t cnt) -{ - nframes_t old_file_pos; - - if (!writable()) { - warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg; - return 0; - } - - if (_capture_start && _capture_end) { - - /* start and end of capture both occur within the data we are writing, - so do both crossfades. - */ - - _capture_start = false; - _capture_end = false; - - /* move to the correct location place */ - file_pos = capture_start_frame - timeline_position; - - // split cnt in half - nframes_t subcnt = cnt / 2; - nframes_t ofilepos = file_pos; - - // fade in - if (crossfade (data, subcnt, 1) != subcnt) { - return 0; - } - - file_pos += subcnt; - Sample * tmpdata = data + subcnt; - - // fade out - subcnt = cnt - subcnt; - if (crossfade (tmpdata, subcnt, 0) != subcnt) { - return 0; - } - - file_pos = ofilepos; // adjusted below - - } else if (_capture_start) { - - /* start of capture both occur within the data we are writing, - so do the fade in - */ - - _capture_start = false; - _capture_end = false; - - /* move to the correct location place */ - file_pos = capture_start_frame - timeline_position; - - if (crossfade (data, cnt, 1) != cnt) { - return 0; - } - - } else if (_capture_end) { - - /* end of capture both occur within the data we are writing, - so do the fade out - */ - - _capture_start = false; - _capture_end = false; - - if (crossfade (data, cnt, 0) != cnt) { - return 0; - } - - } else { - - /* in the middle of recording */ - - if (write_float (data, file_pos, cnt) != cnt) { - return 0; - } - } - - old_file_pos = file_pos; - update_length (file_pos, cnt); - - if (_build_peakfiles) { - compute_and_write_peaks (data, file_pos, cnt, false, true); - } - - file_pos += cnt; - - return cnt; -} - -int -SndFileSource::update_header (nframes_t when, struct tm& now, time_t tnow) -{ - set_timeline_position (when); - - if (_flags & Broadcast) { - if (setup_broadcast_info (when, now, tnow)) { - return -1; - } - } - - return flush_header (); -} - -int -SndFileSource::flush_header () -{ - if (!writable() || (sf == 0)) { - warning << string_compose (_("attempt to flush a non-writable audio file source (%1)"), _path) << endmsg; - return -1; - } - return (sf_command (sf, SFC_UPDATE_HEADER_NOW, 0, 0) != SF_TRUE); -} - -int -SndFileSource::setup_broadcast_info (nframes_t when, struct tm& now, time_t tnow) -{ - if (!writable()) { - warning << string_compose (_("attempt to store broadcast info in a non-writable audio file source (%1)"), _path) << endmsg; - return -1; - } - - if (!(_flags & Broadcast)) { - return 0; - } - - /* random code is 9 digits */ - - int random_code = random() % 999999999; - - snprintf (_broadcast_info->originator_reference, sizeof (_broadcast_info->originator_reference), "%2s%3s%12s%02d%02d%02d%9d", - Config->get_bwf_country_code().c_str(), - Config->get_bwf_organization_code().c_str(), - bwf_serial_number, - now.tm_hour, - now.tm_min, - now.tm_sec, - random_code); - - snprintf (_broadcast_info->origination_date, sizeof (_broadcast_info->origination_date), "%4d-%02d-%02d", - 1900 + now.tm_year, - now.tm_mon, - now.tm_mday); - - snprintf (_broadcast_info->origination_time, sizeof (_broadcast_info->origination_time), "%02d:%02d:%02d", - now.tm_hour, - now.tm_min, - now.tm_sec); - - /* now update header position taking header offset into account */ - - set_header_timeline_position (); - - if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) { - error << string_compose (_("cannot set broadcast info for audio file %1; Dropping broadcast info for this file"), _path) << endmsg; - _flags = Flag (_flags & ~Broadcast); - delete _broadcast_info; - _broadcast_info = 0; - return -1; - } - - return 0; -} - -void -SndFileSource::set_header_timeline_position () -{ - if (!(_flags & Broadcast)) { - return; - } - - _broadcast_info->time_reference_high = (timeline_position >> 32); - _broadcast_info->time_reference_low = (timeline_position & 0xffffffff); - - if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) { - error << string_compose (_("cannot set broadcast info for audio file %1; Dropping broadcast info for this file"), _path) << endmsg; - _flags = Flag (_flags & ~Broadcast); - delete _broadcast_info; - _broadcast_info = 0; - } -} - -nframes_t -SndFileSource::write_float (Sample* data, nframes_t frame_pos, nframes_t cnt) -{ - if (sf_seek (sf, frame_pos, SEEK_SET|SFM_WRITE) < 0) { - char errbuf[256]; - sf_error_str (0, errbuf, sizeof (errbuf) - 1); - error << string_compose (_("%1: cannot seek to %2 (libsndfile error: %3"), _path, frame_pos, errbuf) << endmsg; - return 0; - } - - if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) { - return 0; - } - - return cnt; -} - -nframes_t -SndFileSource::natural_position() const -{ - return timeline_position; -} - -bool -SndFileSource::set_destructive (bool yn) -{ - if (yn) { - _flags = Flag (_flags | Destructive); - if (!xfade_buf) { - xfade_buf = new Sample[xfade_frames]; - } - clear_capture_marks (); - timeline_position = header_position_offset; - } else { - _flags = Flag (_flags & ~Destructive); - timeline_position = 0; - /* leave xfade buf alone in case we need it again later */ - } - - return true; -} - -void -SndFileSource::clear_capture_marks () -{ - _capture_start = false; - _capture_end = false; -} - -void -SndFileSource::mark_capture_start (nframes_t pos) -{ - if (destructive()) { - if (pos < timeline_position) { - _capture_start = false; - } else { - _capture_start = true; - capture_start_frame = pos; - } - } -} - -void -SndFileSource::mark_capture_end() -{ - if (destructive()) { - _capture_end = true; - } -} - -nframes_t -SndFileSource::crossfade (Sample* data, nframes_t cnt, int fade_in) -{ - nframes_t xfade = min (xfade_frames, cnt); - nframes_t nofade = cnt - xfade; - Sample* fade_data = 0; - nframes_t fade_position = 0; // in frames - ssize_t retval; - nframes_t file_cnt; - - if (fade_in) { - fade_position = file_pos; - fade_data = data; - } else { - fade_position = file_pos + nofade; - fade_data = data + nofade; - } - - if (fade_position > _length) { - - /* read starts beyond end of data, just memset to zero */ - - file_cnt = 0; - - } else if (fade_position + xfade > _length) { - - /* read ends beyond end of data, read some, memset the rest */ - - file_cnt = _length - fade_position; - - } else { - - /* read is entirely within data */ - - file_cnt = xfade; - } - - if (file_cnt) { - - if ((retval = read_unlocked (xfade_buf, fade_position, file_cnt)) != (ssize_t) file_cnt) { - if (retval >= 0 && errno == EAGAIN) { - /* XXX - can we really trust that errno is meaningful here? yes POSIX, i'm talking to you. - * short or no data there */ - memset (xfade_buf, 0, xfade * sizeof(Sample)); - } else { - error << string_compose(_("SndFileSource: \"%1\" bad read retval: %2 of %5 (%3: %4)"), _path, retval, errno, strerror (errno), xfade) << endmsg; - return 0; - } - } - } - - if (file_cnt != xfade) { - nframes_t delta = xfade - file_cnt; - memset (xfade_buf+file_cnt, 0, sizeof (Sample) * delta); - } - - if (nofade && !fade_in) { - if (write_float (data, file_pos, nofade) != nofade) { - error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg; - return 0; - } - } - - if (xfade == xfade_frames) { - - nframes_t n; - - /* use the standard xfade curve */ - - if (fade_in) { - - /* fade new material in */ - - for (n = 0; n < xfade; ++n) { - xfade_buf[n] = (xfade_buf[n] * out_coefficient[n]) + (fade_data[n] * in_coefficient[n]); - } - - } else { - - - /* fade new material out */ - - for (n = 0; n < xfade; ++n) { - xfade_buf[n] = (xfade_buf[n] * in_coefficient[n]) + (fade_data[n] * out_coefficient[n]); - } - } - - } else if (xfade < xfade_frames) { - - gain_t in[xfade]; - gain_t out[xfade]; - - /* short xfade, compute custom curve */ - - compute_equal_power_fades (xfade, in, out); - - for (nframes_t n = 0; n < xfade; ++n) { - xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]); - } - - } else if (xfade) { - - /* long xfade length, has to be computed across several calls */ - - } - - if (xfade) { - if (write_float (xfade_buf, fade_position, xfade) != xfade) { - error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg; - return 0; - } - } - - if (fade_in && nofade) { - if (write_float (data + xfade, file_pos + xfade, nofade) != nofade) { - error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg; - return 0; - } - } - - return cnt; -} - -nframes_t -SndFileSource::last_capture_start_frame () const -{ - if (destructive()) { - return capture_start_frame; - } else { - return 0; - } -} - -void -SndFileSource::handle_header_position_change () -{ - if (destructive()) { - if ( _length != 0 ) { - error << string_compose(_("Filesource: start time is already set for existing file (%1): Cannot change start time."), _path ) << endmsg; - //in the future, pop up a dialog here that allows user to regenerate file with new start offset - } else if (writable()) { - timeline_position = header_position_offset; - set_header_timeline_position (); //this will get flushed if/when the file is recorded to - } - } -} - -void -SndFileSource::setup_standard_crossfades (nframes_t rate) -{ - /* This static method is assumed to have been called by the Session - before any DFS's are created. - */ - - xfade_frames = (nframes_t) floor ((Config->get_destructive_xfade_msecs () / 1000.0) * rate); - - if (out_coefficient) { - delete [] out_coefficient; - } - - if (in_coefficient) { - delete [] in_coefficient; - } - - out_coefficient = new gain_t[xfade_frames]; - in_coefficient = new gain_t[xfade_frames]; - - compute_equal_power_fades (xfade_frames, in_coefficient, out_coefficient); -} - -void -SndFileSource::set_timeline_position (int64_t pos) -{ - // destructive track timeline postion does not change - // except at instantion or when header_position_offset - // (session start) changes - - if (!destructive()) { - AudioFileSource::set_timeline_position (pos); - } -} - -int -SndFileSource::get_soundfile_info (const ustring& path, SoundFileInfo& info, string& error_msg) -{ - SNDFILE *sf; - SF_INFO sf_info; - SF_BROADCAST_INFO binfo; - bool timecode_exists; - - sf_info.format = 0; // libsndfile says to clear this before sf_open(). - - if ((sf = sf_open ((char*) path.c_str(), SFM_READ, &sf_info)) == 0) { - char errbuf[256]; - error_msg = sf_error_str (0, errbuf, sizeof (errbuf) - 1); - return false; - } - - info.samplerate = sf_info.samplerate; - info.channels = sf_info.channels; - info.length = sf_info.frames; - info.format_name = string_compose("Format: %1, %2", - sndfile_major_format(sf_info.format), - sndfile_minor_format(sf_info.format)); - - memset (&binfo, 0, sizeof (binfo)); - info.timecode = get_timecode_info (sf, &binfo, timecode_exists); - - if (!timecode_exists) { - info.timecode = 0; - } - - sf_close (sf); - - return true; -} - -int64_t -SndFileSource::get_timecode_info (SNDFILE* sf, SF_BROADCAST_INFO* binfo, bool& exists) -{ - if (sf_command (sf, SFC_GET_BROADCAST_INFO, binfo, sizeof (*binfo)) != SF_TRUE) { - exists = false; - return (header_position_offset); - } - - /* XXX 64 bit alert: when JACK switches to a 64 bit frame count, this needs to use the high bits - of the time reference. - */ - - exists = true; - int64_t ret = (uint32_t) binfo->time_reference_high; - ret <<= 32; - ret |= (uint32_t) binfo->time_reference_low; - return ret; -} - -bool -SndFileSource::one_of_several_channels () const -{ - return _info.channels > 1; -} - -- cgit v1.2.3