version = 3, removed flac support, only ao type is supported from now, i.e. channel interleaved samples

This commit is contained in:
2026-05-04 11:10:03 +02:00
parent 2606634c11
commit 9a0ef7d76e
3 changed files with 5 additions and 112 deletions
+4 -111
View File
@@ -579,44 +579,6 @@ void ao_stop_async(void *ao_handle)
fprintf(stderr, "async handle freed\n");
}
/*
(define (abs x) (if (>= x 0) x (* x -1)))
(define (make-sample-bytes sample bytes-per-sample endianess)
(letrec ((mk (lambda (i d)
(if (< i bytes-per-sample)
(cons (bitwise-and d 255)
(mk (+ i 1) (arithmetic-shift d -8)))
'()))))
(let ((bytes (mk 0 sample)))
(if (eq? endianess 'big-endian)
(reverse bytes)
bytes))))
;(get-sample (lambda (k channel)
; (let ((chan-buf (list-ref buffer channel)))
; (vector-ref chan-buf k))))
)
;(letrec ((i 0)
; (fill (lambda (k channel)
; (if (< k buf-len)
; (if (< channel channels)
; (let* ((sample (get-sample k channel))
; (bytes (make-sample-bytes sample bytes-per-sample endianess))
; )
; (for-each (lambda (byte)
; (ptr-set! audio _byte i byte)
; (set! i (+ i 1)))
; bytes)
; ;; process sample
; (fill k (+ channel 1)))
; (fill (+ k 1) 0))
; 'filled))
; ))
; (fill 0 0)
*/
#define AO_FMT_LITTLE 1
#define AO_FMT_BIG 2
#define AO_FMT_NATIVE 4
@@ -640,87 +602,18 @@ static inline void make_sample_bytes(int32_t sample, int bytes_per_sample, int b
}
}
void *convertFlac(void *mem, int buf_len, BufferInfo_t *info, int *audio_size)
{
// buf_size equals number of samples of 32bit for all channels. So buf_size for flac = 4 * buf_len * channels
int bytes = info->sample_bits / 8;
int endianess = info->endiannes;
int little_endian = (endianess == AO_FMT_LITTLE);
if (!little_endian && endianess == AO_FMT_NATIVE) little_endian = littleEndian();
int big_endian = !little_endian;
int store_size = info->channels * bytes * buf_len;
unsigned char *new_mem = (unsigned char *) malloc(store_size);
*audio_size = store_size;
int32_t **buffer = (int32_t **) mem;
int i, k, channel;
i = 0;
for(k = 0; k < buf_len; k++) {
for(channel = 0; channel < info->channels; channel++) {
int32_t *chan = buffer[channel];
int32_t sample = chan[k];
unsigned char b[4];
make_sample_bytes(sample, bytes, big_endian, b);
for(int j = 0; j < bytes; j++) {
new_mem[i++] = b[j];
}
}
}
return (void *) new_mem;
}
void ao_play_async(void *ao_handle, int music_id, double at_second, double music_duration, int buf_size, void *mem, BufferInfo_t info)
{
AO_Handle *h = (AO_Handle *) ao_handle;
Queue_t *q = NULL;
switch(info.type) {
case flac: {
int store_size = 0;
void *store_mem = convertFlac(mem, buf_size, &info, &store_size);
int ao_size = 0;
void *ao_mem = convert_req_to_real(ao_handle, mem, buf_size, &info, &ao_size);
int ao_size = 0;
void *ao_mem = convert_req_to_real(ao_handle, store_mem, store_size, &info, &ao_size);
q = new_elem(PLAY, music_id, at_second, music_duration, ao_size, ao_mem);
q = new_elem(PLAY, music_id, at_second, music_duration, ao_size, ao_mem);
free(store_mem);
free(ao_mem);
}
break;
case ao: {
int ao_size = 0;
void *ao_mem = convert_req_to_real(ao_handle, mem, buf_size, &info, &ao_size);
q = new_elem(PLAY, music_id, at_second, music_duration, ao_size, ao_mem);
free(ao_mem);
}
break;
case mpg123: {
static int warned = 0;
if (!warned) {
warned = 1;
fprintf(stderr, "format mpg123 not supported yet\n");
}
return;
}
break;
case ao_ogg: {
static int warned = 0;
if (!warned) {
warned = 1;
fprintf(stderr, "format ao_ogg not supported yet\n");
}
return;
}
break;
}
free(ao_mem);
add(h, q);
}
+1 -1
View File
@@ -11,7 +11,7 @@
#define AOPLAYASYNC_EXPORT extern
#endif
#define VERSION 2
#define VERSION 3
typedef enum {
ao = 1,