k
/
FFmpegAndroid
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

remove avr.c

Browse Source
dev
xufulong 3 years ago
parent ce2b7d3b24
commit 7cb01e9171
2 changed files with 1 additions and 288 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 287
      app/src/main/cpp/sox/avr.c
  2. 2
      app/src/main/cpp/sox/formats.h

287
app/src/main/cpp/sox/avr.c
Unescape View File

@ -1,287 +0,0 @@
/* AVR file format handler for SoX
* Copyright (C) 1999 Jan Paul Schmidt <jps@fundament.org>
*
* This library 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 library 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 library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "sox_i.h"
#include <stdio.h>
#include <string.h>
#define AVR_MAGIC "2BIT"
/* Taken from the Audio File Formats FAQ */
typedef struct {
char magic [5]; /* 2BIT */
char name [8]; /* null-padded sample name */
unsigned short mono; /* 0 = mono, 0xffff = stereo */
unsigned short rez; /* 8 = 8 bit, 16 = 16 bit */
unsigned short sign; /* 0 = unsigned, 0xffff = signed */
unsigned short loop; /* 0 = no loop, 0xffff = looping sample */
unsigned short midi; /* 0xffff = no MIDI note assigned,
0xffXX = single key note assignment
0xLLHH = key split, low/hi note */
uint32_t rate; /* sample frequency in hertz */
uint32_t size; /* sample length in bytes or words (see rez) */
uint32_t lbeg; /* offset to start of loop in bytes or words.
set to zero if unused. */
uint32_t lend; /* offset to end of loop in bytes or words.
set to sample length if unused. */
unsigned short res1; /* Reserved, MIDI keyboard split */
unsigned short res2; /* Reserved, sample compression */
unsigned short res3; /* Reserved */
char ext[20]; /* Additional filename space, used
if (name[7] != 0) */
char user[64]; /* User defined. Typically ASCII message. */
} priv_t;
/*
* Do anything required before you start reading samples.
* Read file header.
* Find out sampling rate,
* size and encoding of samples,
* mono/stereo/quad.
*/
static int startread(sox_format_t * ft)
{
priv_t * avr = (priv_t *)ft->priv;
int rc;
lsx_reads(ft, avr->magic, (size_t)4);
if (strncmp (avr->magic, AVR_MAGIC, (size_t)4)) {
lsx_fail_errno(ft,SOX_EHDR,"AVR: unknown header");
return(SOX_EOF);
}
lsx_readbuf(ft, avr->name, sizeof(avr->name));
lsx_readw (ft, &(avr->mono));
if (avr->mono) {
ft->signal.channels = 2;
}
else {
ft->signal.channels = 1;
}
lsx_readw (ft, &(avr->rez));
if (avr->rez == 8) {
ft->encoding.bits_per_sample = 8;
}
else if (avr->rez == 16) {
ft->encoding.bits_per_sample = 16;
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: unsupported sample resolution");
return(SOX_EOF);
}
lsx_readw (ft, &(avr->sign));
if (avr->sign) {
ft->encoding.encoding = SOX_ENCODING_SIGN2;
}
else {
ft->encoding.encoding = SOX_ENCODING_UNSIGNED;
}
lsx_readw (ft, &(avr->loop));
lsx_readw (ft, &(avr->midi));
lsx_readdw (ft, &(avr->rate));
/*
* No support for AVRs created by ST-Replay,
* Replay Proffesional and PRO-Series 12.
*
* Just masking the upper byte out.
*/
ft->signal.rate = (avr->rate & 0x00ffffff);
lsx_readdw (ft, &(avr->size));
lsx_readdw (ft, &(avr->lbeg));
lsx_readdw (ft, &(avr->lend));
lsx_readw (ft, &(avr->res1));
lsx_readw (ft, &(avr->res2));
lsx_readw (ft, &(avr->res3));
lsx_readbuf(ft, avr->ext, sizeof(avr->ext));
lsx_readbuf(ft, avr->user, sizeof(avr->user));
rc = lsx_rawstartread (ft);
if (rc)
return rc;
return(SOX_SUCCESS);
}
static int startwrite(sox_format_t * ft)
{
priv_t * avr = (priv_t *)ft->priv;
int rc;
if (!ft->seekable) {
lsx_fail_errno(ft,SOX_EOF,"AVR: file is not seekable");
return(SOX_EOF);
}
rc = lsx_rawstartwrite (ft);
if (rc)
return rc;
/* magic */
lsx_writes(ft, AVR_MAGIC);
/* name */
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
/* mono */
if (ft->signal.channels == 1) {
lsx_writew (ft, 0);
}
else if (ft->signal.channels == 2) {
lsx_writew (ft, 0xffff);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: number of channels not supported");
return(0);
}
/* rez */
if (ft->encoding.bits_per_sample == 8) {
lsx_writew (ft, 8);
}
else if (ft->encoding.bits_per_sample == 16) {
lsx_writew (ft, 16);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: unsupported sample resolution");
return(SOX_EOF);
}
/* sign */
if (ft->encoding.encoding == SOX_ENCODING_SIGN2) {
lsx_writew (ft, 0xffff);
}
else if (ft->encoding.encoding == SOX_ENCODING_UNSIGNED) {
lsx_writew (ft, 0);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: unsupported encoding");
return(SOX_EOF);
}
/* loop */
lsx_writew (ft, 0xffff);
/* midi */
lsx_writew (ft, 0xffff);
/* rate */
lsx_writedw(ft, (unsigned)(ft->signal.rate + .5));
/* size */
/* Don't know the size yet. */
lsx_writedw (ft, 0);
/* lbeg */
lsx_writedw (ft, 0);
/* lend */
/* Don't know the size yet, so we can't set lend, either. */
lsx_writedw (ft, 0);
/* res1 */
lsx_writew (ft, 0);
/* res2 */
lsx_writew (ft, 0);
/* res3 */
lsx_writew (ft, 0);
/* ext */
lsx_writebuf(ft, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(avr->ext));
/* user */
lsx_writebuf(ft,
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0", sizeof (avr->user));
return(SOX_SUCCESS);
}
static size_t write_samples(sox_format_t * ft, const sox_sample_t *buf, size_t nsamp)
{
priv_t * avr = (priv_t *)ft->priv;
avr->size += nsamp;
return (lsx_rawwrite (ft, buf, nsamp));
}
static int stopwrite(sox_format_t * ft)
{
priv_t * avr = (priv_t *)ft->priv;
unsigned size = avr->size / ft->signal.channels;
/* Fix size */
lsx_seeki(ft, (off_t)26, SEEK_SET);
lsx_writedw (ft, size);
/* Fix lend */
lsx_seeki(ft, (off_t)34, SEEK_SET);
lsx_writedw (ft, size);
return(SOX_SUCCESS);
}
LSX_FORMAT_HANDLER(avr)
{
static char const * const names[] = { "avr", NULL };
static unsigned const write_encodings[] = {
SOX_ENCODING_SIGN2, 16, 8, 0,
SOX_ENCODING_UNSIGNED, 16, 8, 0,
0};
static sox_format_handler_t handler = {SOX_LIB_VERSION_CODE,
"Audio Visual Research format; used on the Mac",
names, SOX_FILE_BIG_END | SOX_FILE_MONO | SOX_FILE_STEREO,
startread, lsx_rawread, NULL,
startwrite, write_samples, stopwrite,
NULL, write_encodings, NULL, sizeof(priv_t)
};
return &handler;
}

2
app/src/main/cpp/sox/formats.h
Unescape View File

@ -21,7 +21,7 @@
// FORMAT(aiff)
FORMAT(al)
// FORMAT(au)
FORMAT(avr)
// FORMAT(avr)
FORMAT(cdr)
FORMAT(cvsd)
FORMAT(cvu)

Write Preview
Loading…
Cancel
Save