1dd672fe32
unified to a single codec-only API, made a new codeclib, disabled the building of the *2wav plugins git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6812 a1c6a512-1295-4272-9138-f99709370657
270 lines
7.8 KiB
C
270 lines
7.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2005 Dave Chapman
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/* Various "helper functions" common to all the xxx2wav decoder plugins */
|
|
|
|
#if (CONFIG_HWCODEC == MASNONE)
|
|
/* software codec platforms, not for simulator */
|
|
|
|
#include "codecs.h"
|
|
#include "xxx2wav.h"
|
|
|
|
static struct codec_api* local_rb;
|
|
|
|
int mem_ptr;
|
|
int bufsize;
|
|
unsigned char* audiobuf; // The actual audio buffer from Rockbox
|
|
unsigned char* mallocbuf; // 512K from the start of audio buffer
|
|
unsigned char* filebuf; // The rest of the audio buffer
|
|
|
|
void* codec_malloc(size_t size)
|
|
{
|
|
void* x;
|
|
|
|
x=&mallocbuf[mem_ptr];
|
|
mem_ptr+=(size+3)&~3; // Keep memory 32-bit aligned (if it was already?)
|
|
/*
|
|
if(TIME_AFTER(*(local_rb->current_tick), last_tick + HZ)) {
|
|
char s[32];
|
|
static long last_tick = 0;
|
|
local_rb->snprintf(s,30,"Memory used: %d",mem_ptr);
|
|
local_rb->lcd_putsxy(0,80,s);
|
|
|
|
last_tick = *(local_rb->current_tick);
|
|
local_rb->lcd_update();
|
|
}*/
|
|
return(x);
|
|
}
|
|
|
|
void* codec_calloc(size_t nmemb, size_t size)
|
|
{
|
|
void* x;
|
|
x = codec_malloc(nmemb*size);
|
|
local_rb->memset(x,0,nmemb*size);
|
|
return(x);
|
|
}
|
|
|
|
void* codec_alloca(size_t size)
|
|
{
|
|
void* x;
|
|
x = codec_malloc(size);
|
|
return(x);
|
|
}
|
|
|
|
void codec_free(void* ptr) {
|
|
(void)ptr;
|
|
}
|
|
|
|
void* codec_realloc(void* ptr, size_t size) {
|
|
void* x;
|
|
(void)ptr;
|
|
x = codec_malloc(size);
|
|
return(x);
|
|
}
|
|
|
|
void *memcpy(void *dest, const void *src, size_t n) {
|
|
return(local_rb->memcpy(dest,src,n));
|
|
}
|
|
|
|
void *memset(void *s, int c, size_t n) {
|
|
return(local_rb->memset(s,c,n));
|
|
}
|
|
|
|
int memcmp(const void *s1, const void *s2, size_t n) {
|
|
return(local_rb->memcmp(s1,s2,n));
|
|
}
|
|
|
|
void* memchr(const void *s, int c, size_t n) {
|
|
/* TO DO: Implement for Tremor */
|
|
(void)s;
|
|
(void)c;
|
|
(void)n;
|
|
return(NULL);
|
|
}
|
|
|
|
void* memmove(const void *s1, const void *s2, size_t n) {
|
|
char* dest=(char*)s1;
|
|
char* src=(char*)s2;
|
|
size_t i;
|
|
|
|
for (i=0;i<n;i++) { dest[i]=src[i]; }
|
|
// while(n>0) { *(dest++)=*(src++); n--; }
|
|
return(dest);
|
|
}
|
|
|
|
void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *)) {
|
|
local_rb->qsort(base,nmemb,size,compar);
|
|
}
|
|
|
|
void display_status(file_info_struct* file_info) {
|
|
char s[32];
|
|
unsigned long ticks_taken;
|
|
unsigned long long speed;
|
|
unsigned long xspeed;
|
|
static long last_tick = 0;
|
|
|
|
if(TIME_AFTER(*(local_rb->current_tick), last_tick + HZ)) {
|
|
local_rb->snprintf(s,32,"Bytes read: %d",file_info->curpos);
|
|
local_rb->lcd_putsxy(0,0,s);
|
|
local_rb->snprintf(s,32,"Samples Decoded: %d",file_info->current_sample);
|
|
local_rb->lcd_putsxy(0,20,s);
|
|
local_rb->snprintf(s,32,"Frames Decoded: %d",file_info->frames_decoded);
|
|
local_rb->lcd_putsxy(0,40,s);
|
|
|
|
ticks_taken=*(local_rb->current_tick)-file_info->start_tick;
|
|
|
|
/* e.g.:
|
|
ticks_taken=500
|
|
sam_fmt.rate=44,100
|
|
samples_decoded=172,400
|
|
(samples_decoded/sam_fmt.rate)*100=400 (time it should have taken)
|
|
% Speed=(400/500)*100=80%
|
|
*/
|
|
|
|
if (ticks_taken==0) { ticks_taken=1; } // Avoid fp exception.
|
|
|
|
speed=(100*file_info->current_sample)/file_info->samplerate;
|
|
xspeed=(speed*10000)/ticks_taken;
|
|
local_rb->snprintf(s,32,"Speed %ld.%02ld %% Secs: %d",(xspeed/100),(xspeed%100),ticks_taken/100);
|
|
local_rb->lcd_putsxy(0,60,s);
|
|
|
|
last_tick = *(local_rb->current_tick);
|
|
local_rb->lcd_update();
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
static unsigned char wav_header[44]={'R','I','F','F', // 0 - ChunkID
|
|
0,0,0,0, // 4 - ChunkSize (filesize-8)
|
|
'W','A','V','E', // 8 - Format
|
|
'f','m','t',' ', // 12 - SubChunkID
|
|
16,0,0,0, // 16 - SubChunk1ID // 16 for PCM
|
|
1,0, // 20 - AudioFormat (1=16-bit)
|
|
2,0, // 22 - NumChannels
|
|
0,0,0,0, // 24 - SampleRate in Hz
|
|
0,0,0,0, // 28 - Byte Rate (SampleRate*NumChannels*(BitsPerSample/8)
|
|
4,0, // 32 - BlockAlign (== NumChannels * BitsPerSample/8)
|
|
16,0, // 34 - BitsPerSample
|
|
'd','a','t','a', // 36 - Subchunk2ID
|
|
0,0,0,0 // 40 - Subchunk2Size
|
|
};
|
|
#endif
|
|
|
|
void xxx2wav_set_api(struct codec_api* rb)
|
|
{
|
|
local_rb = rb;
|
|
}
|
|
|
|
#if 0
|
|
int local_init(char* infilename, char* outfilename,
|
|
file_info_struct* file_info,
|
|
struct codec_api* rb)
|
|
{
|
|
char s[32];
|
|
int i,n,bytesleft;
|
|
|
|
local_rb=rb;
|
|
|
|
mem_ptr=0;
|
|
audiobuf=local_rb->plugin_get_audio_buffer(&bufsize);
|
|
mallocbuf=audiobuf;
|
|
filebuf=&audiobuf[MALLOC_BUFSIZE];
|
|
|
|
local_rb->snprintf(s,32,"audio bufsize: %d",bufsize);
|
|
local_rb->lcd_putsxy(0,100,s);
|
|
local_rb->lcd_update();
|
|
|
|
file_info->infile=local_rb->open(infilename,O_RDONLY);
|
|
file_info->outfile=local_rb->creat(outfilename,O_WRONLY);
|
|
local_rb->write(file_info->outfile,wav_header,sizeof(wav_header));
|
|
file_info->curpos=0;
|
|
file_info->current_sample=0;
|
|
file_info->frames_decoded=0;
|
|
file_info->filesize=local_rb->filesize(file_info->infile);
|
|
|
|
local_rb->splash(HZ, true, "in: %d, size: %d", file_info->infile, file_info->filesize);
|
|
|
|
if (file_info->filesize > (bufsize-MALLOC_BUFSIZE)) {
|
|
local_rb->close(file_info->infile);
|
|
local_rb->splash(HZ*2, true, "File too large");
|
|
return(1);
|
|
}
|
|
|
|
local_rb->snprintf(s,32,"Loading file...");
|
|
local_rb->lcd_putsxy(0,0,s);
|
|
local_rb->lcd_update();
|
|
|
|
bytesleft=file_info->filesize;
|
|
i=0;
|
|
while (bytesleft > 0) {
|
|
n=local_rb->read(file_info->infile,&filebuf[i],bytesleft);
|
|
if (n < 0) {
|
|
local_rb->close(file_info->infile);
|
|
local_rb->splash(HZ*2, true, "ERROR READING FILE");
|
|
return(1);
|
|
}
|
|
i+=n; bytesleft-=n;
|
|
}
|
|
local_rb->close(file_info->infile);
|
|
local_rb->lcd_clear_display();
|
|
return(0);
|
|
}
|
|
|
|
void close_wav(file_info_struct* file_info)
|
|
{
|
|
int x;
|
|
int filesize=local_rb->filesize(file_info->outfile);
|
|
|
|
/* We assume 16-bit, Stereo */
|
|
|
|
local_rb->lseek(file_info->outfile,0,SEEK_SET);
|
|
|
|
// ChunkSize
|
|
x=filesize-8;
|
|
wav_header[4]=(x&0xff);
|
|
wav_header[5]=(x&0xff00)>>8;
|
|
wav_header[6]=(x&0xff0000)>>16;
|
|
wav_header[7]=(x&0xff000000)>>24;
|
|
|
|
// Samplerate
|
|
wav_header[24]=file_info->samplerate&0xff;
|
|
wav_header[25]=(file_info->samplerate&0xff00)>>8;
|
|
wav_header[26]=(file_info->samplerate&0xff0000)>>16;
|
|
wav_header[27]=(file_info->samplerate&0xff000000)>>24;
|
|
|
|
// ByteRate
|
|
x=file_info->samplerate*4;
|
|
wav_header[28]=(x&0xff);
|
|
wav_header[29]=(x&0xff00)>>8;
|
|
wav_header[30]=(x&0xff0000)>>16;
|
|
wav_header[31]=(x&0xff000000)>>24;
|
|
|
|
// Subchunk2Size
|
|
x=filesize-44;
|
|
wav_header[40]=(x&0xff);
|
|
wav_header[41]=(x&0xff00)>>8;
|
|
wav_header[42]=(x&0xff0000)>>16;
|
|
wav_header[43]=(x&0xff000000)>>24;
|
|
|
|
local_rb->write(file_info->outfile,wav_header,sizeof(wav_header));
|
|
local_rb->close(file_info->outfile);
|
|
}
|
|
#endif /* 0 */
|
|
|
|
#endif /* CONFIG_HWCODEC == MASNONE */
|