Mercurial > octave
view libinterp/dldfcn/audioread.cc @ 21200:fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
* builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc,
__ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc,
balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc,
c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc,
defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc,
errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc,
find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc,
givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc,
hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc,
jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc,
lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc,
ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc,
mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc,
oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc,
octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc,
profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc,
tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc,
utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc,
symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, pt-arg-list.cc,
pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc,
pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc:
Indent #ifdef blocks in libinterp.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 05 Feb 2016 16:29:08 -0800 |
parents | 228b65504557 |
children | 40de9f8f23a6 |
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/* Copyright (C) 2013-2015 Vytautas JanĨauskas This file is part of Octave. Octave 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 3 of the License, or (at your option) any later version. Octave 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 Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <string> #include <map> #include "oct-locbuf.h" #include "unwind-prot.h" #include "defun-dld.h" #include "error.h" #include "errwarn.h" #include "ovl.h" #include "ov.h" #include "ov-struct.h" #ifdef HAVE_SNDFILE # include <sndfile.h> #endif #ifdef HAVE_SNDFILE static void safe_close (SNDFILE *file) { sf_close (file); } #endif DEFUN_DLD (audioread, args, , "-*- texinfo -*-\n\ @deftypefn {} {[@var{y}, @var{fs}] =} audioread (@var{filename})\n\ @deftypefnx {} {[@var{y}, @var{fs}] =} audioread (@var{filename}, @var{samples})\n\ \n\ @deftypefnx {} {[@var{y}, @var{fs}] =} audioread (@var{filename}, @var{datatype})\n\ @deftypefnx {} {[@var{y}, @var{fs}] =} audioread (@var{filename}, @var{samples}, @var{datatype})\n\ Read the audio file @var{filename} and return the audio data @var{y} and\n\ sampling rate @var{fs}.\n\ \n\ The audio data is stored as matrix with rows corresponding to audio frames\n\ and columns corresponding to channels.\n\ \n\ The optional two-element vector argument @var{samples} specifies starting\n\ and ending frames.\n\ \n\ The optional argument @var{datatype} specifies the datatype to return.\n\ If it is @qcode{\"native\"}, then the type of data depends on how the data\n\ is stored in the audio file.\n\ @end deftypefn") { #ifdef HAVE_SNDFILE int nargin = args.length (); if (nargin < 1 || nargin > 3) print_usage (); std::string filename = args(0).xstring_value ("audioread: FILENAME must be a string"); SF_INFO info; info.format = 0; SNDFILE *file = sf_open (filename.c_str (), SFM_READ, &info); if (! file) error ("audioread: failed to open input file %s", filename.c_str ()); unwind_protect frame; frame.add_fcn (safe_close, file); OCTAVE_LOCAL_BUFFER (float, data, info.frames * info.channels); sf_read_float (file, data, info.frames * info.channels); sf_count_t start = 0; sf_count_t end = info.frames; if ((nargin == 2 && ! args(1).is_string ()) || nargin == 3) { RowVector range = args(1).row_vector_value (); if (range.numel () != 2) error ("audioread: invalid specification for range of frames"); double dstart = xisinf (range(0)) ? info.frames : range(0); double dend = xisinf (range(1)) ? info.frames : range(1); if (dstart < 1 || dstart > dend || dend > info.frames || D_NINT (dstart) != dstart || D_NINT (dend) != dend) error ("audioread: invalid specification for range of frames"); start = dstart - 1; end = dend; } sf_count_t items = end - start; Matrix audio (items, info.channels); double *paudio = audio.fortran_vec (); data += start * info.channels; for (int i = 0; i < items; i++) { for (int channel = 0; channel < info.channels; channel++) paudio[items*channel+i] = *data++; } octave_value ret_audio; if ((nargin == 2 && args(1).is_string ()) || nargin == 3) { std::string type; if (nargin == 3) type = args(2).string_value (); else type = args(1).string_value (); if (type == "native") { switch (info.format & SF_FORMAT_SUBMASK) { case SF_FORMAT_PCM_S8: ret_audio = int8NDArray (audio * 127); break; case SF_FORMAT_PCM_U8: ret_audio = uint8NDArray (audio * 127 + 127); break; case SF_FORMAT_PCM_16: ret_audio = int16NDArray (audio * 32767); break; case SF_FORMAT_PCM_24: ret_audio = int32NDArray (audio * 8388608); break; case SF_FORMAT_PCM_32: ret_audio = int32NDArray (audio * 2147483648); break; default: ret_audio = audio; break; } } else ret_audio = audio; } else ret_audio = audio; return ovl (ret_audio, info.samplerate); #else err_disabled_feature ("audioread", "reading and writing sound files through libsndfile"); #endif } #ifdef HAVE_SNDFILE static int extension_to_format (const std::string& ext) { static bool initialized = false; static std::map<std::string, int> table; if (! initialized) { table["wav"] = SF_FORMAT_WAV; table["aiff"] = SF_FORMAT_AIFF; table["au"] = SF_FORMAT_AU; table["raw"] = SF_FORMAT_RAW; table["paf"] = SF_FORMAT_PAF; table["svx"] = SF_FORMAT_SVX; table["nist"] = SF_FORMAT_NIST; table["voc"] = SF_FORMAT_VOC; table["ircam"] = SF_FORMAT_IRCAM; table["w64"] = SF_FORMAT_W64; table["mat4"] = SF_FORMAT_MAT4; table["mat5"] = SF_FORMAT_MAT5; table["pvf"] = SF_FORMAT_PVF; table["xi"] = SF_FORMAT_XI; table["htk"] = SF_FORMAT_HTK; table["sds"] = SF_FORMAT_SDS; table["avr"] = SF_FORMAT_AVR; table["wavex"] = SF_FORMAT_WAVEX; table["sd2"] = SF_FORMAT_SD2; table["flac"] = SF_FORMAT_FLAC; table["caf"] = SF_FORMAT_CAF; table["wve"] = SF_FORMAT_WVE; table["ogg"] = SF_FORMAT_OGG; table["mpc2k"] = SF_FORMAT_MPC2K; table["rf64"] = SF_FORMAT_RF64; initialized = true; } std::map<std::string, int>::const_iterator it = table.find (ext); return (it != table.end ()) ? it->second : 0; } #endif DEFUN_DLD (audiowrite, args, , "-*- texinfo -*-\n\ @deftypefn {} {} audiowrite (@var{filename}, @var{y}, @var{fs})\n\ @deftypefnx {} {} audiowrite (@var{filename}, @var{y}, @var{fs}, @var{name}, @var{value}, @dots{})\n\ \n\ Write audio data from the matrix @var{y} to @var{filename} at sampling rate\n\ @var{fs} with the file format determined by the file extension.\n\ \n\ Additional name/value argument pairs may be used to specify the\n\ following options:\n\ \n\ @table @samp\n\ @item BitsPerSample\n\ Number of bits per sample, valid values are 8, 16, 24 and 32. Default is 16.\n\ \n\ @item BitRate\n\ Valid argument name, but ignored. Left for compatibility with @sc{matlab}.\n\ \n\ @item Quality\n\ Quality setting for the Ogg Vorbis compressor. Values can range between 0\n\ and 100 with 100 being the highest quality setting. Default is 75.\n\ \n\ @item Title\n\ Title for the audio file.\n\ \n\ @item Artist\n\ Artist name.\n\ \n\ @item Comment\n\ Comment.\n\ @end table\n\ @end deftypefn") { #ifdef HAVE_SNDFILE int nargin = args.length (); if (nargin < 3) print_usage (); std::string filename = args(0).xstring_value ("audiowrite: FILENAME must be a string"); double bias = 0.0; double scale = 1.0; if (args(1).is_uint8_type ()) bias = scale = std::pow (2.0, 7); else if (args(1).is_int16_type ()) scale = std::pow (2.0, 15); else if (args(1).is_int32_type ()) scale = std::pow (2.0, 31); else if (args(1).is_integer_type ()) err_wrong_type_arg ("audiowrite", args(1)); Matrix audio = args(1).matrix_value (); int samplerate = args(2).int_value (); std::string ext; size_t dotpos = filename.find_last_of ("."); if (dotpos != std::string::npos) ext = filename.substr (dotpos + 1); std::transform (ext.begin (), ext.end (), ext.begin (), ::tolower); sf_count_t items_to_write = audio.rows () * audio.columns (); if (audio.rows () == 1) audio = audio.transpose (); OCTAVE_LOCAL_BUFFER (float, data, items_to_write); sf_count_t idx = 0; for (int i = 0; i < audio.rows (); i++) { for (int j = 0; j < audio.columns (); j++) { double elem = (audio.xelem (i, j) - bias) / scale; data[idx++] = std::min (std::max (elem, -1.0), 1.0); } } SF_INFO info; memset (&info, 0, sizeof (info)) ; sf_count_t chunk_size = 0; if (ext == "ogg") { info.format = SF_FORMAT_VORBIS; // FIXME: there seems to be a bug writing ogg files in one shot // that causes a segfault. Breaking it up into a series of // smaller chunks seems to avoid the problem and produce valid // files. chunk_size = 0x1FFFFE; } else info.format = SF_FORMAT_PCM_16; info.channels = audio.columns (); info.samplerate = samplerate; info.channels = audio.cols (); info.format |= extension_to_format (ext); std::string title = ""; std::string artist = ""; std::string comment = ""; // Quality is currently unused? // // float quality = 0.75; for (int i = 3; i < nargin; i += 2) { if (args(i).string_value () == "BitsPerSample") { info.format &= ~SF_FORMAT_SUBMASK; int bits = args(i + 1).int_value (); if (bits == 8) { if ((info.format & SF_FORMAT_TYPEMASK) == SF_FORMAT_WAV) info.format |= SF_FORMAT_PCM_U8; else info.format |= SF_FORMAT_PCM_S8; } else if (bits == 16) info.format |= SF_FORMAT_PCM_16; else if (bits == 24) info.format |= SF_FORMAT_PCM_24; else if (bits == 32) info.format |= SF_FORMAT_PCM_32; else error ("audiowrite: wrong number of bits specified"); } else if (args(i).string_value () == "BitRate") ; // Quality is currently unused? // // else if (args(i).string_value () == "Quality") // quality = args(i + 1).int_value () * 0.01; else if (args(i).string_value () == "Title") title = args(i + 1).string_value (); else if (args(i).string_value () == "Artist") artist = args(i + 1).string_value (); else if (args(i).string_value () == "Comment") comment = args(i + 1).string_value (); else error ("audiowrite: wrong argument name"); } SNDFILE *file = sf_open (filename.c_str (), SFM_WRITE, &info); if (! file) error ("audiowrite: failed to open output file %s", filename.c_str ()); unwind_protect frame; frame.add_fcn (safe_close, file); if (title != "") sf_set_string (file, SF_STR_TITLE, title.c_str ()); if (artist != "") sf_set_string (file, SF_STR_ARTIST, artist.c_str ()); if (comment != "") sf_set_string (file, SF_STR_COMMENT, comment.c_str ()); sf_count_t total_items_written = 0; sf_count_t offset = 0; if (chunk_size == 0) chunk_size = items_to_write; while (total_items_written < items_to_write) { if (items_to_write - offset < chunk_size) chunk_size = items_to_write - offset; sf_count_t items_written = sf_write_float (file, data+offset, chunk_size); if (items_written != chunk_size) error ("audiowrite: write failed, wrote %ld of %ld items\n", items_written, chunk_size); total_items_written += items_written; offset += chunk_size; } // FIXME: shouldn't we return something to indicate whether the file // was written successfully? return ovl (); #else err_disabled_feature ("audiowrite", "reading and writing sound files through libsndfile"); #endif } DEFUN_DLD (audioinfo, args, , "-*- texinfo -*-\n\ @deftypefn {} {@var{info} =} audioinfo (@var{filename})\n\ Return information about an audio file specified by @var{filename}.\n\ @end deftypefn") { #ifdef HAVE_SNDFILE if (args.length () != 1) print_usage (); std::string filename = args(0).xstring_value ("audioinfo: FILENAME must be a string"); SF_INFO info; info.format = 0; SNDFILE *file = sf_open (filename.c_str (), SFM_READ, &info); if (! file) error ("audioinfo: failed to open file %s", filename.c_str ()); unwind_protect frame; frame.add_fcn (safe_close, file); octave_scalar_map result; result.assign ("Filename", filename); result.assign ("CompressionMethod", ""); result.assign ("NumChannels", info.channels); result.assign ("SampleRate", info.samplerate); result.assign ("TotalSamples", info.frames); double dframes = info.frames; double drate = info.samplerate; result.assign ("Duration", dframes / drate); int bits; switch (info.format & SF_FORMAT_SUBMASK) { case SF_FORMAT_PCM_S8: bits = 8; break; case SF_FORMAT_PCM_U8: bits = 8; break; case SF_FORMAT_PCM_16: bits = 16; break; case SF_FORMAT_PCM_24: bits = 24; break; case SF_FORMAT_PCM_32: bits = 32; break; default: bits = -1; break; } result.assign ("BitsPerSample", bits); result.assign ("BitRate", -1); result.assign ("Title", sf_get_string (file, SF_STR_TITLE)); result.assign ("Artist", sf_get_string (file, SF_STR_ARTIST)); result.assign ("Comment", sf_get_string (file, SF_STR_COMMENT)); return ovl (result); #else err_disabled_feature ("audioinfo", "reading and writing sound files through libsndfile"); #endif }