add a wip not working flac player.

i don't know how to code one. im trying to copy the oggplayer one and
trying to use the flac api but genuinely i don't know what i'm doing at
all.
This commit is contained in:
Fries 2024-06-26 00:28:16 -07:00
parent 9369bf4da5
commit 2b527cb917
3 changed files with 216 additions and 0 deletions

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@ -1,5 +1,6 @@
add_subdirectory(assets) add_subdirectory(assets)
add_subdirectory(duktape) add_subdirectory(duktape)
# add_subdirectory(flacplayer)
add_executable(WiiDuktape main.c) add_executable(WiiDuktape main.c)
target_link_libraries(WiiDuktape GRRLIB) target_link_libraries(WiiDuktape GRRLIB)

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@ -0,0 +1,6 @@
find_package(PkgConfig REQUIRED)
pkg_check_modules(FLAC REQUIRED flac)
add_library(flacplayer flacplayer.c)
target_link_libraries(flacplayer PRIVATE ${FLAC_LIBRARIES})
target_include_directories(flacplayer PRIVATE ${FLAC_INCLUDE_DIRS})

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@ -0,0 +1,209 @@
#include <FLAC/stream_decoder.h>
#include <gccore.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
static struct
{
char *mem;
int size;
int pos;
} file[4];
#define READ_SAMPLES 4096 // samples that it must read before to send
#define MAX_PCMOUT 4096 // minimum size to read ogg samples
typedef struct
{
// OggVorbis_File vf;
// vorbis_info *vi;
int current_section;
// OGG file operation
int fd;
int mode;
int eof;
int flag;
int volume;
int seek_time;
/* OGG buffer control */
short pcmout[2][READ_SAMPLES + MAX_PCMOUT * 2]; /* take 4k out of the data segment, not the stack */
int pcmout_pos;
int pcm_indx;
} private_data_flac;
static private_data_flac private_flac;
// i don't know what this is doing at all
static int mem_open(char * ogg, int size)
{
static int one = 1;
int n;
if (one)
{
one = 0;
for (n = 0; n < 4; n++)
file[n].size = 0;
}
for (n = 0; n < 4; n++)
{
if (file[n].size == 0)
{
file[n].mem = ogg;
file[n].size = size;
file[n].pos = 0;
return (0x666 + n);
}
}
return -1;
}
FLAC__StreamDecoderReadStatus f_read(const FLAC__StreamDecoder * decoder, FLAC__byte buffer[], size_t * bites, void * client_data) {
int bytes = sizeof(FLAC__byte);
int blocks = *bites;
int * f = client_data;
void * punt = buffer;
int b;
int c;
int d;
if (bytes * blocks <= 0)
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
blocks = bytes * blocks;
c = 0;
while (blocks > 0)
{
b = blocks;
if (b > 4096)
b = 4096;
if (*f >= 0x666 && *f <= 0x669)
{
d = (*f) - 0x666;
if (file[d].size == 0)
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
if ((file[d].pos + b) > file[d].size)
b = file[d].size - file[d].pos;
if (b > 0)
{
memcpy(punt, file[d].mem + file[d].pos, b);
file[d].pos += b;
}
}
else
b = read(*f, ((char *) punt) + c, b);
if (b <= 0)
{
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
c += b;
blocks -= b;
}
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
FLAC__StreamDecoderSeekStatus f_seek(const FLAC__StreamDecoder * decoder, FLAC__uint64 absolute_byte_offset, void * client_data) {
int * f = client_data;
int mode = SEEK_SET;
unsigned long offset = absolute_byte_offset;
if(f==NULL) return(FLAC__STREAM_DECODER_SEEK_STATUS_ERROR);
int k, d;
mode &= 3;
if (*f >= 0x666 && *f <= 0x669)
{
d = (*f) - 0x666;
k = 0;
if (file[d].size == 0)
return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
if (mode == 0)
{
if ((offset) >= file[d].size)
{
file[d].pos = file[d].size;
k = -1;
}
else if ((offset) < 0)
{
file[d].pos = 0;
k = -1;
}
else
file[d].pos = offset;
}
if (mode == 1)
{
if ((file[d].pos + offset) >= file[d].size)
{
file[d].pos = file[d].size;
k = -1;
}
else if ((file[d].pos + offset) < 0)
{
file[d].pos = 0;
k = -1;
}
else
file[d].pos += offset;
}
if (mode == 2)
{
if ((file[d].size + offset) >= file[d].size)
{
file[d].pos = file[d].size;
k = -1;
}
else if ((file[d].size + offset) < 0)
{
file[d].pos = 0;
k = -1;
}
else
file[d].pos = file[d].size + offset;
}
}
else
k = lseek(*f, (int) offset, mode);
if (k < 0)
k = -1;
else
k = 0;
if (k == -1) {
return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
} else {
return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
}
return k;
}
int PlayFlac(const void * buffer, signed int len) {
private_flac.fd = mem_open((char *)buffer, len);
FLAC__StreamDecoder * decoder;
FLAC__StreamDecoderInitStatus init_status;
decoder = FLAC__stream_decoder_new();
if (decoder == NULL) {
return 1;
}
// init_status = FLAC__stream_decoder_init_stream(decoder);
}