mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-09-21 13:49:44 +02:00
[Core/MCD] added support for external VORBIS library
This commit is contained in:
EkeEke
twinaphex
parent
56d1471a35
commit
da76741bd2
@ -2,7 +2,7 @@
|
||||
* Genesis Plus
|
||||
* CD drive processor & CD-DA fader
|
||||
*
|
||||
* Copyright (C) 2012-2014 Eke-Eke (Genesis Plus GX)
|
||||
* Copyright (C) 2012-2015 Eke-Eke (Genesis Plus GX)
|
||||
*
|
||||
* Redistribution and use of this code or any derivative works are permitted
|
||||
* provided that the following conditions are met:
|
||||
@ -37,7 +37,7 @@
|
||||
****************************************************************************************/
|
||||
#include "shared.h"
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#define SUPPORTED_EXT 20
|
||||
#else
|
||||
#define SUPPORTED_EXT 10
|
||||
@ -126,7 +126,7 @@ static const unsigned char waveHeader[32] =
|
||||
/* supported WAVE file extensions */
|
||||
static const char extensions[SUPPORTED_EXT][16] =
|
||||
{
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
"%02d.ogg",
|
||||
" %02d.ogg",
|
||||
"-%02d.ogg",
|
||||
@ -150,7 +150,7 @@ static const char extensions[SUPPORTED_EXT][16] =
|
||||
" - %d.wav"
|
||||
};
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
static void ogg_free(int i)
|
||||
{
|
||||
@ -221,7 +221,7 @@ int cdd_context_load(uint8 *state)
|
||||
int lba;
|
||||
int bufferptr = 0;
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* close previous track VORBIS file structure to save memory */
|
||||
if (cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
@ -255,7 +255,7 @@ int cdd_context_load(uint8 *state)
|
||||
fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[cdd.index].vf.seekable)
|
||||
{
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
@ -479,7 +479,7 @@ int cdd_load(char *filename, char *header)
|
||||
/* adjust current track file read offset with WAVE header length */
|
||||
cdd.toc.tracks[cdd.toc.last].offset -= 44;
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (!ov_open(cdd.toc.tracks[cdd.toc.last].fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0))
|
||||
{
|
||||
/* retrieve stream infos */
|
||||
@ -576,7 +576,7 @@ int cdd_load(char *filename, char *header)
|
||||
/* adjust file read offset with previous track end time */
|
||||
cdd.toc.tracks[cdd.toc.last].offset += cdd.toc.end * 2352;
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
if (cdd.toc.tracks[cdd.toc.last].vf.datasource)
|
||||
{
|
||||
/* convert read offset to PCM sample offset */
|
||||
@ -709,7 +709,7 @@ int cdd_load(char *filename, char *header)
|
||||
/* increment track number */
|
||||
cdd.toc.last++;
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (!ov_open(fd,&cdd.toc.tracks[cdd.toc.last].vf,0,0))
|
||||
{
|
||||
/* retrieve stream infos */
|
||||
@ -744,7 +744,11 @@ int cdd_load(char *filename, char *header)
|
||||
|
||||
/* auto-detect PAUSE within audio files */
|
||||
ov_pcm_seek(&cdd.toc.tracks[cdd.toc.last].vf, 100 * 588);
|
||||
#if defined(USE_LIBVORBIS)
|
||||
ov_read(&cdd.toc.tracks[cdd.toc.last].vf, (char *)head, 32, 0, 2, 1, 0);
|
||||
#else
|
||||
ov_read(&cdd.toc.tracks[cdd.toc.last].vf, (char *)head, 32, 0);
|
||||
#endif
|
||||
ov_pcm_seek(&cdd.toc.tracks[cdd.toc.last].vf, 0);
|
||||
if (*(int32 *)head == 0)
|
||||
{
|
||||
@ -891,7 +895,7 @@ void cdd_unload(void)
|
||||
/* close CD tracks */
|
||||
for (i=0; i<cdd.toc.last; i++)
|
||||
{
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
if (cdd.toc.tracks[i].vf.datasource)
|
||||
{
|
||||
/* close VORBIS file (if still opened) */
|
||||
@ -962,7 +966,7 @@ void cdd_read_audio(unsigned int samples)
|
||||
int endVol = scd.regs[0x34>>1].w >> 4;
|
||||
|
||||
/* read samples from current block */
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
if (cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
{
|
||||
int len, done = 0;
|
||||
@ -970,7 +974,11 @@ void cdd_read_audio(unsigned int samples)
|
||||
samples = samples * 4;
|
||||
while (done < samples)
|
||||
{
|
||||
#ifdef USE_LIBVORBIS
|
||||
len = ov_read(&cdd.toc.tracks[cdd.index].vf, (char *)(cdc.ram + done), samples - done, 0, 2, 1, 0);
|
||||
#else
|
||||
len = ov_read(&cdd.toc.tracks[cdd.index].vf, (char *)(cdc.ram + done), samples - done, 0);
|
||||
#endif
|
||||
if (len <= 0)
|
||||
{
|
||||
done = samples;
|
||||
@ -1035,24 +1043,24 @@ void cdd_read_audio(unsigned int samples)
|
||||
mul = (curVol & 0x7fc) ? (curVol & 0x7fc) : (curVol & 0x03);
|
||||
|
||||
/* left channel */
|
||||
#ifdef LSB_FIRST
|
||||
#ifdef LSB_FIRST
|
||||
delta = ((ptr[0] * mul) / 1024) - l;
|
||||
ptr++;
|
||||
#else
|
||||
#else
|
||||
delta = (((int16)((ptr[0] + ptr[1]*256)) * mul) / 1024) - l;
|
||||
ptr += 2;
|
||||
#endif
|
||||
#endif
|
||||
l += delta;
|
||||
blip_add_delta_fast(snd.blips[2][0], i, delta);
|
||||
|
||||
/* right channel */
|
||||
#ifdef LSB_FIRST
|
||||
#ifdef LSB_FIRST
|
||||
delta = ((ptr[0] * mul) / 1024) - r;
|
||||
ptr++;
|
||||
#else
|
||||
#else
|
||||
delta = (((int16)((ptr[0] + ptr[1]*256)) * mul) / 1024) - r;
|
||||
ptr += 2;
|
||||
#endif
|
||||
#endif
|
||||
r += delta;
|
||||
blip_add_delta_fast(snd.blips[2][1], i, delta);
|
||||
|
||||
@ -1168,7 +1176,7 @@ void cdd_update(void)
|
||||
/* check end of current track */
|
||||
if (cdd.lba >= cdd.toc.tracks[cdd.index].end)
|
||||
{
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* close previous track VORBIS file structure to save memory */
|
||||
if (cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
@ -1184,7 +1192,7 @@ void cdd_update(void)
|
||||
scd.regs[0x36>>1].byte.h = 0x01;
|
||||
|
||||
/* seek to next audio track start */
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
if (cdd.toc.tracks[cdd.index].vf.seekable)
|
||||
{
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
@ -1211,7 +1219,7 @@ void cdd_update(void)
|
||||
/* check current track limits */
|
||||
if (cdd.lba >= cdd.toc.tracks[cdd.index].end)
|
||||
{
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* close previous track VORBIS file structure to save memory */
|
||||
if (cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
@ -1234,7 +1242,7 @@ void cdd_update(void)
|
||||
}
|
||||
else if (cdd.lba < cdd.toc.tracks[cdd.index].start)
|
||||
{
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* close previous track VORBIS file structure to save memory */
|
||||
if (cdd.toc.tracks[cdd.index].vf.datasource)
|
||||
@ -1278,7 +1286,7 @@ void cdd_update(void)
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, cdd.lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[cdd.index].vf.seekable)
|
||||
{
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
@ -1470,7 +1478,7 @@ void cdd_process(void)
|
||||
/* get track index */
|
||||
while ((cdd.toc.tracks[index].end <= lba) && (index < cdd.toc.last)) index++;
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* check if track index has changed */
|
||||
if (index != cdd.index)
|
||||
@ -1505,7 +1513,7 @@ void cdd_process(void)
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[index].vf.seekable)
|
||||
{
|
||||
/* VORBIS AUDIO track */
|
||||
@ -1562,7 +1570,7 @@ void cdd_process(void)
|
||||
/* get current track index */
|
||||
while ((cdd.toc.tracks[index].end <= lba) && (index < cdd.toc.last)) index++;
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
#ifdef DISABLE_MANY_OGG_OPEN_FILES
|
||||
/* check if track index has changed */
|
||||
if (index != cdd.index)
|
||||
@ -1597,7 +1605,7 @@ void cdd_process(void)
|
||||
/* DATA track */
|
||||
fseek(cdd.toc.tracks[0].fd, lba * cdd.sectorSize, SEEK_SET);
|
||||
}
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
else if (cdd.toc.tracks[index].vf.seekable)
|
||||
{
|
||||
/* VORBIS AUDIO track */
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* Genesis Plus
|
||||
* CD drive processor & CD-DA fader
|
||||
*
|
||||
* Copyright (C) 2012-2014 Eke-Eke (Genesis Plus GX)
|
||||
* Copyright (C) 2012-2015 Eke-Eke (Genesis Plus GX)
|
||||
*
|
||||
* Redistribution and use of this code or any derivative works are permitted
|
||||
* provided that the following conditions are met:
|
||||
@ -40,7 +40,9 @@
|
||||
|
||||
#include "blip_buf.h"
|
||||
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBVORBIS)
|
||||
#include <vorbis/vorbisfile.h>
|
||||
#elif defined(USE_LIBTREMOR)
|
||||
#include "tremor/ivorbisfile.h"
|
||||
#endif
|
||||
|
||||
@ -65,7 +67,7 @@
|
||||
typedef struct
|
||||
{
|
||||
FILE *fd;
|
||||
#ifdef USE_LIBTREMOR
|
||||
#if defined(USE_LIBTREMOR) || defined(USE_LIBVORBIS)
|
||||
OggVorbis_File vf;
|
||||
#endif
|
||||
int offset;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user