int main(int argc, char **argv){
FILE *infile, *outfile;
HeaderType inHeader, outHeader;
uint16_t *indata, *outdata = NULL;
// verifica o uso
if(argc != 3){
printf("use: %s infile outfile\n", argv[0]);
return 1;
}
// abre arquivo de entrada
infile = fopen(argv[1], "rb");
if(infile == NULL){
perror(argv[1]);
exit(1);
}
// le arquivo de entrada
fread(&inHeader, sizeof(HeaderType), 1, infile);
indata = malloc(inHeader.Subchunk2Size);
fread(indata, 1, inHeader.Subchunk2Size, infile);
// verifica formato
if(inHeader.AudioFormat == PCM_FORMAT){
adpcm_code(&outHeader, &outdata, inHeader, &indata);
}else if(inHeader.AudioFormat == ADPCM_FORMAT){
adpcm_decode(&outHeader, &outdata, inHeader, &indata);
}else{
printf("Invalid file format\n");
exit(1);
}
// abre arquivo de saida
outfile = fopen(argv[2], "wb");
if(outfile == NULL){
perror(argv[2]);
exit(1);
}
// escreve arquivo de saida
fwrite(&outHeader, sizeof(HeaderType), 1, outfile);
fwrite(outdata, 1, outHeader.Subchunk2Size, outfile);
if(outdata != NULL){
free(outdata);
}
free(indata);
fclose(outfile);
fclose(infile);
return 0;
}
void sb_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
{
// printf("DMA timer expire\n");
if (tid)
{
device_serial_interface::device_timer(timer, tid, param, ptr);
return;
}
UINT16 lsample, rsample;
switch (m_dsp.flags) {
case 0: // 8-bit unsigned mono
m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
break;
case SIGNED: // 8-bit signed mono
m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
break;
case STEREO: // 8-bit unsigned stereo
m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr]);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
break;
case SIGNED | STEREO: // 8-bit signed stereo
m_dacl->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dacr->write_unsigned8(m_dsp.data[m_dsp.d_rptr] + 128);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
break;
case SIXTEENBIT: // 16-bit unsigned mono
lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dacl->write_unsigned16(lsample);
m_dacr->write_unsigned16(lsample);
break;
case SIXTEENBIT | SIGNED: // 16-bit signed mono
lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dacl->write_unsigned16(lsample + 32768);
m_dacr->write_unsigned16(lsample + 32768);
break;
case SIXTEENBIT | STEREO: // 16-bit unsigned stereo
lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dsp.d_rptr %= 128;
rsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dacl->write_unsigned16(lsample);
m_dacr->write_unsigned16(rsample);
break;
case SIXTEENBIT | SIGNED | STEREO: // 16-bit signed stereo
lsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.d_rptr %= 128;
rsample = m_dsp.data[m_dsp.d_rptr] | (m_dsp.data[m_dsp.d_rptr+1] << 8);
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dsp.data[m_dsp.d_rptr++] = 0x00;
m_dacl->write_unsigned16(lsample + 32768);
m_dacr->write_unsigned16(rsample + 32768);
break;
case ADPCM2:
if(m_dsp.adpcm_new_ref)
{
m_dsp.adpcm_ref = m_dsp.data[m_dsp.d_rptr++];
m_dsp.adpcm_new_ref = false;
m_dacl->write_unsigned8(m_dsp.adpcm_ref);
m_dacr->write_unsigned8(m_dsp.adpcm_ref);
break;
}
lsample = m_dsp.data[m_dsp.d_rptr];
switch(m_dsp.adpcm_count++)
{
case 0:
adpcm_decode(lsample >> 6, 2);
break;
case 1:
adpcm_decode((lsample >> 4) & 3, 2);
break;
case 2:
adpcm_decode((lsample >> 2) & 3, 2);
break;
case 3:
adpcm_decode(lsample & 3, 2);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dsp.adpcm_count = 0;
break;
}
break;
case ADPCM3:
if(m_dsp.adpcm_new_ref)
{
m_dsp.adpcm_ref = m_dsp.data[m_dsp.d_rptr++];
m_dsp.adpcm_new_ref = false;
m_dacl->write_unsigned8(m_dsp.adpcm_ref);
m_dacr->write_unsigned8(m_dsp.adpcm_ref);
break;
}
lsample = m_dsp.data[m_dsp.d_rptr];
switch(m_dsp.adpcm_count++)
{
case 0:
adpcm_decode(lsample >> 5, 3);
break;
case 1:
adpcm_decode((lsample >> 2) & 7, 3);
break;
case 2:
adpcm_decode(((lsample & 2) << 1) | (lsample & 1), 3);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dsp.adpcm_count = 0;
break;
}
break;
case ADPCM4:
if(m_dsp.adpcm_new_ref)
{
m_dsp.adpcm_ref = m_dsp.data[m_dsp.d_rptr++];
m_dsp.adpcm_new_ref = false;
m_dacl->write_unsigned8(m_dsp.adpcm_ref);
m_dacr->write_unsigned8(m_dsp.adpcm_ref);
break;
}
lsample = m_dsp.data[m_dsp.d_rptr];
switch(m_dsp.adpcm_count++)
{
case 0:
adpcm_decode(lsample >> 4, 4);
break;
case 1:
adpcm_decode(lsample & 15, 4);
m_dsp.data[m_dsp.d_rptr++] = 0x80;
m_dsp.adpcm_count = 0;
break;
}
break;
default:
logerror("SB: unimplemented sample type %x\n", m_dsp.flags);
}
m_dsp.d_rptr %= 128;
if (m_dsp.dma_throttled)
{
if (m_dsp.d_rptr == m_dsp.d_wptr)
{
// printf("unthrottling DRQ\n");
if(m_dsp.flags & SIXTEENBIT) // 16-bit audio through 8-bit dma?
drq16_w(1);
else
drq_w(1); // raise DRQ
m_dsp.dma_throttled = false;
}
}
}
void Hes_Apu_Adpcm::run_until( blip_time_t end_time )
{
int volume = state.volume;
int fadetimer = state.fadetimer;
int fadecount = state.fadecount;
int last_time = this->last_time;
double next_timer = this->next_timer;
int last_amp = this->last_amp;
Blip_Buffer* output = this->output; // cache often-used values
while ( state.playflag && last_time < end_time )
{
while ( last_time >= next_timer )
{
if ( fadetimer )
{
if ( fadecount > 0 )
{
fadecount--;
volume = 0xFF * fadecount / fadetimer;
}
else if ( fadecount < 0 )
{
fadecount++;
volume = 0xFF - ( 0xFF * fadecount / fadetimer );
}
}
next_timer += 7159.091;
}
int amp;
if ( state.ad_low_nibble )
{
amp = adpcm_decode( state.pcmbuf[ state.playptr ] & 0x0F );
state.ad_low_nibble = false;
state.playptr++;
state.playedsamplecount++;
if ( state.playedsamplecount == state.playlength )
{
state.playflag = 0;
}
}
else
{
amp = adpcm_decode( state.pcmbuf[ state.playptr ] >> 4 );
state.ad_low_nibble = true;
}
amp = amp * volume / 0xFF;
int delta = amp - last_amp;
if ( output && delta )
{
last_amp = amp;
synth.offset_inline( last_time, delta, output );
}
last_time += state.freq;
}
if ( !state.playflag )
{
while ( next_timer <= end_time ) next_timer += 7159.091;
last_time = end_time;
}
this->last_time = last_time;
this->next_timer = next_timer;
this->last_amp = last_amp;
state.volume = volume;
state.fadetimer = fadetimer;
state.fadecount = fadecount;
}
BOOLEAN adpcm_voice_encode(tBTA_ATT_HSDATA *att_data)
{
//BTM_TRACE_DEBUG0("adpcm_voice_encode");
uint8_t buffer[MAX_FRAME_SIZE];
int size;
int frame_size;
UINT8 *p = NULL;
FILE *fp;
fp = fopen (RTK_STORAGE_PCM_FILE, "a+");
if (fp == NULL)
{
BTM_TRACE_WARNING0("open file failed\n");
return FALSE;
}
p = (UINT8*)(att_data->data+3);
size = att_data->data_len - 3;
/* we must receive 12 20-bytes packets followed by a 19-bytes packet */
switch (size) {
case 20:
adpcm_rec_cb.n_20bytes_pkts++;
if (adpcm_rec_cb.n_20bytes_pkts > 12){
BTM_TRACE_DEBUG0("20bytes pkt is exceed 12");
adpcm_rec_cb.n_20bytes_pkts = 1;
memcpy(adpcm_rec_cb.buffer + (adpcm_rec_cb.n_20bytes_pkts - 1) * 20,p, 20);
} else {
memcpy(adpcm_rec_cb.buffer + (adpcm_rec_cb.n_20bytes_pkts - 1) * 20,p, 20);
}
break;
case 19:
if (adpcm_rec_cb.n_20bytes_pkts != 12) {
BTM_TRACE_DEBUG0("20bytes pkt!=12,discard the frame");
adpcm_rec_cb.n_20bytes_pkts = 0;
} else {
memcpy(adpcm_rec_cb.buffer + adpcm_rec_cb.n_20bytes_pkts * 20, p, 19);
adpcm_rec_cb.n_20bytes_pkts = 0;
frame_size = adpcm_decode(adpcm_rec_cb.adpcm_state, buffer, adpcm_rec_cb.buffer,ADPCM_ENCODED_FRAME_SIZE);
BTM_TRACE_DEBUG1("frame size= %d",frame_size);
if(frame_size == 1020)
{
fwrite(buffer, frame_size, 1, fp);
if(adpcm_rec_cb.channel_status)
{
if(isEmpty())
{
BTM_TRACE_DEBUG0("the buffer empty,send data to socket");
VOHOG_LOCK();
if(!UIPC_RTKBT_VR_Send_noblock(UIPC_CH_ID_RTKBT_VR_AUDIO, 0, buffer, frame_size))
{
BTM_TRACE_WARNING0("send data fail, save data to buffer");
saveDATAtobuffer(buffer, frame_size);
}
VOHOG_UNLOCK();
} else {
BTM_TRACE_DEBUG0("the buffer is not empty, save data to buffer");
saveDATAtobuffer(buffer, frame_size);
}
} else {
if(!adpcm_rec_cb.channel_status)
{
BTM_TRACE_DEBUG0("socket is close");
}
saveDATAtobuffer(buffer, frame_size);
}
}else {
BTM_TRACE_DEBUG0("frame_size is error");
}
}
break;
default:
BTM_TRACE_DEBUG0("size is error");
}
//BTM_TRACE_DEBUG1("20bytes pkt= %d",adpcm_rec_cb.n_20bytes_pkts);
free(att_data);
//fseek(fp,0,SEEK_END);
//int lSize = ftell(fp);
//BTM_TRACE_WARNING1("file length %d\n",lSize);
fclose(fp);
return TRUE;
}
int borplay(FILE *fd, char *fname, unsigned int off, unsigned int size) {
bor_header bh;
int len, kb = 0;
short *out;
unsigned char *in;
char *p, *artist, *title;
if(fseek(fd, off, SEEK_SET) < 0) std_err();
if(!fread(&bh, sizeof(bh), 1, fd)) return(-1);
size -= sizeof(bh);
if(strncmp(bh.identifier, BOR_IDENTIFIER, sizeof(bh.identifier))) return(0);
if((bh.version != BOR_MUSIC_VERSION) && (bh.version != NEW_MUSIC_VERSION)) {
printf("- warning: unknown file version (%08x)\n", bh.version);
}
// fix title
for(p = bh.title; *p; p++) {
if (*p == '_') *p = ' ';
}
// fix artist
for(p = bh.artist; *p; p++) {
if (*p == '_') *p = ' ';
}
// force mono if it's a v1 file
if ((bh.version == BOR_MUSIC_VERSION) && (bh.channels != 1))
{
printf("- warning: forcing mono playback because of file version; "
"use the newest Wav2Bor from LavaLit.com to create BOR files "
"with more than 1 channel of audio\n");
bh.channels = 1;
}
printf("- %08x (%dhz %dch) %s\n",
off,
bh.frequency, bh.channels,
fname);
// only print title and artist if at least one of them is specified
if (strlen(bh.artist) && strlen(bh.title))
printf(" %s - %s\n", bh.artist, bh.title);
else if (strlen(bh.artist))
printf(" %s\n", bh.artist);
else if (strlen(bh.title))
printf(" %s\n", bh.title);
if(bh.datastart > sizeof(bh)) {
bh.datastart -= sizeof(bh);
if(fseek(fd, bh.datastart, SEEK_CUR) < 0) std_err();
size -= bh.datastart;
}
in = malloc(MUSIC_BUF_SIZE);
if(!in) std_err();
out = malloc(MUSIC_BUF_SIZE * 4);
if(!out) std_err();
aoinit_fmt(bh.channels, bh.frequency);
#ifndef WIN32
init_keyboard();
#endif
while(size && (len = fread(in, 1, MUSIC_BUF_SIZE, fd))) {
if(size < len) len = size;
size -= len;
adpcm_decode(in, out, len, bh.channels);
if(!ao_play(device, (void *)out, len * 4)) break;
kb = check_kbhit();
if(kb) break;
}
#ifndef WIN32
close_keyboard();
#endif
ao_close(device);
free(in);
free(out);
return(kb);
}
