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authorPaul Davis <paul@linuxaudiosystems.com>2017-09-18 12:39:17 -0400
committerPaul Davis <paul@linuxaudiosystems.com>2017-09-18 12:39:17 -0400
commit30b087ab3d28f1585987fa3f6ae006562ae192e3 (patch)
tree620ae0250b5d77f90a18f8c2b83be61e4fe7b0b5 /libs/ardour/sndfilesource.cc
parentcb956e3e480716a3efd280a5287bdd7bee1cedc5 (diff)
globally change all use of "frame" to refer to audio into "sample".
Generated by tools/f2s. Some hand-editing will be required in a few places to fix up comments related to timecode and video in order to keep the legible
Diffstat (limited to 'libs/ardour/sndfilesource.cc')
-rw-r--r--libs/ardour/sndfilesource.cc122
1 files changed, 61 insertions, 61 deletions
diff --git a/libs/ardour/sndfilesource.cc b/libs/ardour/sndfilesource.cc
index 7436263cc3..9c49e1e1fb 100644
--- a/libs/ardour/sndfilesource.cc
+++ b/libs/ardour/sndfilesource.cc
@@ -51,7 +51,7 @@ using std::string;
gain_t* SndFileSource::out_coefficient = 0;
gain_t* SndFileSource::in_coefficient = 0;
-framecnt_t SndFileSource::xfade_frames = 64;
+samplecnt_t SndFileSource::xfade_samples = 64;
const Source::Flag SndFileSource::default_writable_flags = Source::Flag (
Source::Writable |
Source::Removable |
@@ -108,7 +108,7 @@ SndFileSource::SndFileSource (Session& s, const string& path, int chn, Flag flag
not open existing ones.
*/
SndFileSource::SndFileSource (Session& s, const string& path, const string& origin,
- SampleFormat sfmt, HeaderFormat hf, framecnt_t rate, Flag flags)
+ SampleFormat sfmt, HeaderFormat hf, samplecnt_t rate, Flag flags)
: Source(s, DataType::AUDIO, path, flags)
, AudioFileSource (s, path, origin, flags, sfmt, hf)
, _sndfile (0)
@@ -277,12 +277,12 @@ SndFileSource::SndFileSource (Session& s, const AudioFileSource& other, const st
}
Sample buf[8192];
- framecnt_t off = 0;
+ samplecnt_t off = 0;
float peak = 0;
float norm = 1.f;
/* normalize before converting to fixed point, calc gain factor */
- framecnt_t len = other.read (buf, off, 8192, /*channel*/0);
+ samplecnt_t len = other.read (buf, off, 8192, /*channel*/0);
while (len > 0) {
peak = compute_peak (buf, len, peak);
off += len;
@@ -302,7 +302,7 @@ SndFileSource::SndFileSource (Session& s, const AudioFileSource& other, const st
len = other.read (buf, off, 8192, /*channel*/0);
while (len > 0) {
if (norm != 1.f) {
- for (framecnt_t i = 0; i < len; ++i) {
+ for (samplecnt_t i = 0; i < len; ++i) {
buf[i] *= norm;
}
}
@@ -325,7 +325,7 @@ SndFileSource::init_sndfile ()
memset (&_info, 0, sizeof(_info));
if (destructive()) {
- xfade_buf = new Sample[xfade_frames];
+ xfade_buf = new Sample[xfade_samples];
_timeline_position = header_position_offset;
}
@@ -486,15 +486,15 @@ SndFileSource::sample_rate () const
return _info.samplerate;
}
-framecnt_t
-SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const
+samplecnt_t
+SndFileSource::read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const
{
assert (cnt >= 0);
- framecnt_t nread;
+ samplecnt_t nread;
float *ptr;
- framecnt_t real_cnt;
- framepos_t file_cnt;
+ samplecnt_t real_cnt;
+ samplepos_t file_cnt;
if (writable() && !_sndfile) {
/* file has not been opened yet - nothing written to it */
@@ -529,7 +529,7 @@ SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
assert (file_cnt >= 0);
if (file_cnt != cnt) {
- framepos_t delta = cnt - file_cnt;
+ samplepos_t delta = cnt - file_cnt;
memset (dst+file_cnt, 0, sizeof (Sample) * delta);
}
@@ -538,19 +538,19 @@ SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
if (sf_seek (_sndfile, (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.val().substr (1), errbuf) << endmsg;
+ error << string_compose(_("SndFileSource: could not seek to sample %1 within %2 (%3)"), start, _name.val().substr (1), errbuf) << endmsg;
return 0;
}
if (_info.channels == 1) {
- framecnt_t ret = sf_read_float (_sndfile, dst, file_cnt);
+ samplecnt_t ret = sf_read_float (_sndfile, dst, file_cnt);
if (ret != file_cnt) {
char errbuf[256];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
error << string_compose(_("SndFileSource: @ %1 could not read %2 within %3 (%4) (len = %5, ret was %6)"), start, file_cnt, _name.val().substr (1), errbuf, _length, ret) << endl;
}
if (_gain != 1.f) {
- for (framecnt_t i = 0; i < ret; ++i) {
+ for (samplecnt_t i = 0; i < ret; ++i) {
dst[i] *= _gain;
}
}
@@ -569,12 +569,12 @@ SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
/* stride through the interleaved data */
if (_gain != 1.f) {
- for (framecnt_t n = 0; n < nread; ++n) {
+ for (samplecnt_t n = 0; n < nread; ++n) {
dst[n] = *ptr * _gain;
ptr += _info.channels;
}
} else {
- for (framecnt_t n = 0; n < nread; ++n) {
+ for (samplecnt_t n = 0; n < nread; ++n) {
dst[n] = *ptr;
ptr += _info.channels;
}
@@ -583,8 +583,8 @@ SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
return nread;
}
-framecnt_t
-SndFileSource::write_unlocked (Sample *data, framecnt_t cnt)
+samplecnt_t
+SndFileSource::write_unlocked (Sample *data, samplecnt_t cnt)
{
if (open()) {
return 0; // failure
@@ -597,8 +597,8 @@ SndFileSource::write_unlocked (Sample *data, framecnt_t cnt)
}
}
-framecnt_t
-SndFileSource::nondestructive_write_unlocked (Sample *data, framecnt_t cnt)
+samplecnt_t
+SndFileSource::nondestructive_write_unlocked (Sample *data, samplecnt_t cnt)
{
if (!writable()) {
warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
@@ -611,23 +611,23 @@ SndFileSource::nondestructive_write_unlocked (Sample *data, framecnt_t cnt)
return 0;
}
- framepos_t frame_pos = _length;
+ samplepos_t sample_pos = _length;
- if (write_float (data, frame_pos, cnt) != cnt) {
+ if (write_float (data, sample_pos, cnt) != cnt) {
return 0;
}
update_length (_length + cnt);
if (_build_peakfiles) {
- compute_and_write_peaks (data, frame_pos, cnt, true, true);
+ compute_and_write_peaks (data, sample_pos, cnt, true, true);
}
return cnt;
}
-framecnt_t
-SndFileSource::destructive_write_unlocked (Sample* data, framecnt_t cnt)
+samplecnt_t
+SndFileSource::destructive_write_unlocked (Sample* data, samplecnt_t cnt)
{
if (!writable()) {
warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
@@ -644,11 +644,11 @@ SndFileSource::destructive_write_unlocked (Sample* data, framecnt_t cnt)
_capture_end = false;
/* move to the correct location place */
- file_pos = capture_start_frame - _timeline_position;
+ file_pos = capture_start_sample - _timeline_position;
// split cnt in half
- framecnt_t subcnt = cnt / 2;
- framecnt_t ofilepos = file_pos;
+ samplecnt_t subcnt = cnt / 2;
+ samplecnt_t ofilepos = file_pos;
// fade in
if (crossfade (data, subcnt, 1) != subcnt) {
@@ -676,7 +676,7 @@ SndFileSource::destructive_write_unlocked (Sample* data, framecnt_t cnt)
_capture_end = false;
/* move to the correct location place */
- file_pos = capture_start_frame - _timeline_position;
+ file_pos = capture_start_sample - _timeline_position;
if (crossfade (data, cnt, 1) != cnt) {
return 0;
@@ -716,7 +716,7 @@ SndFileSource::destructive_write_unlocked (Sample* data, framecnt_t cnt)
}
int
-SndFileSource::update_header (framepos_t when, struct tm& now, time_t tnow)
+SndFileSource::update_header (samplepos_t when, struct tm& now, time_t tnow)
{
set_timeline_position (when);
@@ -765,7 +765,7 @@ SndFileSource::flush ()
}
int
-SndFileSource::setup_broadcast_info (framepos_t /*when*/, struct tm& now, time_t /*tnow*/)
+SndFileSource::setup_broadcast_info (samplepos_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;
@@ -811,16 +811,16 @@ SndFileSource::set_header_timeline_position ()
}
}
-framecnt_t
-SndFileSource::write_float (Sample* data, framepos_t frame_pos, framecnt_t cnt)
+samplecnt_t
+SndFileSource::write_float (Sample* data, samplepos_t sample_pos, samplecnt_t cnt)
{
if ((_info.format & SF_FORMAT_TYPEMASK ) == SF_FORMAT_FLAC) {
- assert (_length == frame_pos);
+ assert (_length == sample_pos);
}
- else if (_sndfile == 0 || sf_seek (_sndfile, frame_pos, SEEK_SET|SFM_WRITE) < 0) {
+ else if (_sndfile == 0 || sf_seek (_sndfile, sample_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;
+ error << string_compose (_("%1: cannot seek to %2 (libsndfile error: %3)"), _path, sample_pos, errbuf) << endmsg;
return 0;
}
@@ -831,7 +831,7 @@ SndFileSource::write_float (Sample* data, framepos_t frame_pos, framecnt_t cnt)
return cnt;
}
-framepos_t
+samplepos_t
SndFileSource::natural_position() const
{
return _timeline_position;
@@ -844,16 +844,16 @@ SndFileSource::clear_capture_marks ()
_capture_end = false;
}
-/** @param pos Capture start position in session frames */
+/** @param pos Capture start position in session samples */
void
-SndFileSource::mark_capture_start (framepos_t pos)
+SndFileSource::mark_capture_start (samplepos_t pos)
{
if (destructive()) {
if (pos < _timeline_position) {
_capture_start = false;
} else {
_capture_start = true;
- capture_start_frame = pos;
+ capture_start_sample = pos;
}
}
}
@@ -866,15 +866,15 @@ SndFileSource::mark_capture_end()
}
}
-framecnt_t
-SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
+samplecnt_t
+SndFileSource::crossfade (Sample* data, samplecnt_t cnt, int fade_in)
{
- framecnt_t xfade = min (xfade_frames, cnt);
- framecnt_t nofade = cnt - xfade;
+ samplecnt_t xfade = min (xfade_samples, cnt);
+ samplecnt_t nofade = cnt - xfade;
Sample* fade_data = 0;
- framepos_t fade_position = 0; // in frames
+ samplepos_t fade_position = 0; // in samples
ssize_t retval;
- framecnt_t file_cnt;
+ samplecnt_t file_cnt;
if (fade_in) {
fade_position = file_pos;
@@ -918,7 +918,7 @@ SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
}
if (file_cnt != xfade) {
- framecnt_t delta = xfade - file_cnt;
+ samplecnt_t delta = xfade - file_cnt;
memset (xfade_buf+file_cnt, 0, sizeof (Sample) * delta);
}
@@ -929,9 +929,9 @@ SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
}
}
- if (xfade == xfade_frames) {
+ if (xfade == xfade_samples) {
- framecnt_t n;
+ samplecnt_t n;
/* use the standard xfade curve */
@@ -953,7 +953,7 @@ SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
}
}
- } else if (xfade < xfade_frames) {
+ } else if (xfade < xfade_samples) {
std::vector<gain_t> in(xfade);
std::vector<gain_t> out(xfade);
@@ -962,7 +962,7 @@ SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
compute_equal_power_fades (xfade, &in[0], &out[0]);
- for (framecnt_t n = 0; n < xfade; ++n) {
+ for (samplecnt_t n = 0; n < xfade; ++n) {
xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]);
}
@@ -989,11 +989,11 @@ SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
return cnt;
}
-framepos_t
-SndFileSource::last_capture_start_frame () const
+samplepos_t
+SndFileSource::last_capture_start_sample () const
{
if (destructive()) {
- return capture_start_frame;
+ return capture_start_sample;
} else {
return 0;
}
@@ -1014,25 +1014,25 @@ SndFileSource::handle_header_position_change ()
}
void
-SndFileSource::setup_standard_crossfades (Session const & s, framecnt_t rate)
+SndFileSource::setup_standard_crossfades (Session const & s, samplecnt_t rate)
{
/* This static method is assumed to have been called by the Session
before any DFS's are created.
*/
- xfade_frames = (framecnt_t) floor ((s.config.get_destructive_xfade_msecs () / 1000.0) * rate);
+ xfade_samples = (samplecnt_t) floor ((s.config.get_destructive_xfade_msecs () / 1000.0) * rate);
delete [] out_coefficient;
delete [] in_coefficient;
- out_coefficient = new gain_t[xfade_frames];
- in_coefficient = new gain_t[xfade_frames];
+ out_coefficient = new gain_t[xfade_samples];
+ in_coefficient = new gain_t[xfade_samples];
- compute_equal_power_fades (xfade_frames, in_coefficient, out_coefficient);
+ compute_equal_power_fades (xfade_samples, in_coefficient, out_coefficient);
}
void
-SndFileSource::set_timeline_position (framepos_t pos)
+SndFileSource::set_timeline_position (samplepos_t pos)
{
// destructive track timeline postion does not change
// except at instantion or when header_position_offset