X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/e775f23a10c4ba37fc1a762299f52cd0d71593b7:/interpretor/libsndfile-1.0.25/src/mpc2k.c..f1f94803668061f90a5ce88bf06ee72bba8e41a5:/interpretor/lib/src/libsndfile-1.0.25/src/static/gitweb.js diff --git a/interpretor/libsndfile-1.0.25/src/mpc2k.c b/interpretor/libsndfile-1.0.25/src/mpc2k.c deleted file mode 100644 index 0170f7c..0000000 --- a/interpretor/libsndfile-1.0.25/src/mpc2k.c +++ /dev/null @@ -1,204 +0,0 @@ -/* -** Copyright (C) 2008-2011 Erik de Castro Lopo -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU Lesser General Public License as published by -** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. -** -** You should have received a copy of the GNU Lesser General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -#include "sfconfig.h" - -#include -#include -#include -#include - -#include "sndfile.h" -#include "sfendian.h" -#include "common.h" - -/* -** Info from Olivier Tristan -** -** HEADER -** 2 magic bytes: 1 and 4. -** 17 char for the name of the sample. -** 3 bytes: level, tune and channels (0 for channels is mono while 1 is stereo) -** 4 uint32: sampleStart, loopEnd, sampleFrames and loopLength -** 1 byte: loopMode (0 no loop, 1 forward looping) -** 1 byte: number of beat in loop -** 1 uint16: sampleRate -** -** DATA -** Data are always non compressed 16 bits interleaved -*/ - -#define HEADER_LENGTH 42 /* Sum of above data fields. */ -#define HEADER_NAME_LEN 17 /* Length of name string. */ - -#define SFE_MPC_NO_MARKER 666 - -/*------------------------------------------------------------------------------ -** Private static functions. -*/ - -static int mpc2k_close (SF_PRIVATE *psf) ; - -static int mpc2k_write_header (SF_PRIVATE *psf, int calc_length) ; -static int mpc2k_read_header (SF_PRIVATE *psf) ; - -/*------------------------------------------------------------------------------ -** Public function. -*/ - -int -mpc2k_open (SF_PRIVATE *psf) -{ int error = 0 ; - - if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) - { if ((error = mpc2k_read_header (psf))) - return error ; - } ; - - if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_MPC2K) - return SFE_BAD_OPEN_FORMAT ; - - if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) - { if (mpc2k_write_header (psf, SF_FALSE)) - return psf->error ; - - psf->write_header = mpc2k_write_header ; - } ; - - psf->container_close = mpc2k_close ; - - psf->blockwidth = psf->bytewidth * psf->sf.channels ; - - error = pcm_init (psf) ; - - return error ; -} /* mpc2k_open */ - -/*------------------------------------------------------------------------------ -*/ - -static int -mpc2k_close (SF_PRIVATE *psf) -{ - if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) - mpc2k_write_header (psf, SF_TRUE) ; - - return 0 ; -} /* mpc2k_close */ - -static int -mpc2k_write_header (SF_PRIVATE *psf, int calc_length) -{ char sample_name [HEADER_NAME_LEN + 1] ; - sf_count_t current ; - - if (psf->pipeoffset > 0) - return 0 ; - - current = psf_ftell (psf) ; - - if (calc_length) - { psf->filelength = psf_get_filelen (psf) ; - - psf->dataoffset = HEADER_LENGTH ; - psf->datalength = psf->filelength - psf->dataoffset ; - - psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; - } ; - - /* Reset the current header length to zero. */ - psf->header [0] = 0 ; - psf->headindex = 0 ; - - /* - ** Only attempt to seek if we are not writng to a pipe. If we are - ** writing to a pipe we shouldn't be here anyway. - */ - if (psf->is_pipe == SF_FALSE) - psf_fseek (psf, 0, SEEK_SET) ; - - snprintf (sample_name, sizeof (sample_name), "%s ", psf->file.name.c) ; - - psf_binheader_writef (psf, "e11b", 1, 4, sample_name, make_size_t (HEADER_NAME_LEN)) ; - psf_binheader_writef (psf, "e111", 100, 0, (psf->sf.channels - 1) & 1) ; - psf_binheader_writef (psf, "et4888", 0, psf->sf.frames, psf->sf.frames, psf->sf.frames) ; - psf_binheader_writef (psf, "e112", 0, 1, (uint16_t) psf->sf.samplerate) ; - - /* Always 16 bit little endian data. */ - psf->bytewidth = 2 ; - psf->endian = SF_ENDIAN_LITTLE ; - - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - if (psf->error) - return psf->error ; - - psf->dataoffset = psf->headindex ; - - if (current > 0) - psf_fseek (psf, current, SEEK_SET) ; - - return psf->error ; -} /* mpc2k_write_header */ - -static int -mpc2k_read_header (SF_PRIVATE *psf) -{ char sample_name [HEADER_NAME_LEN + 1] ; - unsigned char bytes [4] ; - uint32_t sample_start, loop_end, sample_frames, loop_length ; - uint16_t sample_rate ; - - psf_binheader_readf (psf, "pebb", 0, bytes, 2, sample_name, make_size_t (HEADER_NAME_LEN)) ; - - if (bytes [0] != 1 || bytes [1] != 4) - return SFE_MPC_NO_MARKER ; - - sample_name [HEADER_NAME_LEN] = 0 ; - - psf_log_printf (psf, "MPC2000\n Name : %s\n", sample_name) ; - - psf_binheader_readf (psf, "eb4444", bytes, 3, &sample_start, &loop_end, &sample_frames, &loop_length) ; - - psf->sf.channels = bytes [2] ? 2 : 1 ; - - psf_log_printf (psf, " Level : %d\n Tune : %d\n Stereo : %s\n", bytes [0], bytes [1], bytes [2] ? "Yes" : "No") ; - - psf_log_printf (psf, " Sample start : %d\n Loop end : %d\n Frames : %d\n Length : %d\n", sample_start, loop_end, sample_frames, loop_length) ; - - psf_binheader_readf (psf, "eb2", bytes, 2, &sample_rate) ; - - psf_log_printf (psf, " Loop mode : %s\n Beats : %d\n Sample rate : %d\nEnd\n", bytes [0] ? "None" : "Fwd", bytes [1], sample_rate) ; - - psf->sf.samplerate = sample_rate ; - - psf->sf.format = SF_FORMAT_MPC2K | SF_FORMAT_PCM_16 ; - - psf->dataoffset = psf_ftell (psf) ; - - /* Always 16 bit little endian data. */ - psf->bytewidth = 2 ; - psf->endian = SF_ENDIAN_LITTLE ; - - psf->datalength = psf->filelength - psf->dataoffset ; - psf->blockwidth = psf->sf.channels * psf->bytewidth ; - psf->sf.frames = psf->datalength / psf->blockwidth ; - - psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ; - - return 0 ; -} /* mpc2k_read_header */ -