static void write_wav_header(int fd, int rate, int nchannels, int size){
wave_header_t header;
memcpy(&header.riff_chunk.riff,"RIFF",4);
header.riff_chunk.len=le_uint32(size+32);
memcpy(&header.riff_chunk.wave,"WAVE",4);
memcpy(&header.format_chunk.fmt,"fmt ",4);
header.format_chunk.len=le_uint32(0x10);
header.format_chunk.type=le_uint16(0x1);
header.format_chunk.channel=le_uint16(nchannels);
header.format_chunk.rate=le_uint32(rate);
header.format_chunk.bps=le_uint32(rate*2*nchannels);
header.format_chunk.blockalign=le_uint16(2*nchannels);
header.format_chunk.bitpspl=le_uint16(16);
memcpy(&header.data_chunk.data,"data",4);
header.data_chunk.len=le_uint32(size);
lseek(fd,0,SEEK_SET);
if (write(fd,&header,sizeof(header))!=sizeof(header)){
ms_warning("Fail to write wav header.");
}
}
static void write_wav_header(int rate,int size, char *filename){
wave_header_t header;
DWORD bytes_written=0;
HANDLE fd;
memcpy(&header.riff_chunk.riff,"RIFF",4);
header.riff_chunk.len=le_uint32(size+32);
memcpy(&header.riff_chunk.wave,"WAVE",4);
memcpy(&header.format_chunk.fmt,"fmt ",4);
header.format_chunk.len=le_uint32(0x10);
header.format_chunk.type=le_uint16(0x1);
header.format_chunk.channel=le_uint16(0x1);
header.format_chunk.rate=le_uint32(rate);
header.format_chunk.bps=le_uint32(rate*2);
header.format_chunk.blockalign=le_uint16(2);
header.format_chunk.bitpspl=le_uint16(16);
memcpy(&header.data_chunk.data,"data",4);
header.data_chunk.len=le_uint32(size);
/* TODO: replace with "lseek" equivalent for windows */
fd=CreateFile(filename, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (fd==INVALID_HANDLE_VALUE){
#if !defined(_WIN32_WCE)
ms_warning("Cannot open %s: %s",filename,strerror(errno));
#else
ms_warning("Cannot open %s: %i",filename,WSAGetLastError());
#endif
return;
}
WriteFile(fd,&header,sizeof(header), &bytes_written, NULL);
if (bytes_written!=sizeof(header)){
ms_warning("Fail to write wav header.");
}
CloseHandle(fd);
}
static int read_wav_header(PlayerData *d){
char header1[sizeof(riff_t)];
char header2[sizeof(format_t)];
char header3[sizeof(data_t)];
int count;
riff_t *riff_chunk=(riff_t*)header1;
format_t *format_chunk=(format_t*)header2;
data_t *data_chunk=(data_t*)header3;
unsigned long len=0;
len = read(d->fd, header1, sizeof(header1)) ;
if (len != sizeof(header1)){
goto not_a_wav;
}
if (0!=strncmp(riff_chunk->riff, "RIFF", 4) || 0!=strncmp(riff_chunk->wave, "WAVE", 4)){
goto not_a_wav;
}
len = read(d->fd, header2, sizeof(header2)) ;
if (len != sizeof(header2)){
ms_warning("Wrong wav header: cannot read file");
goto not_a_wav;
}
d->rate=le_uint32(format_chunk->rate);
d->nchannels=le_uint16(format_chunk->channel);
if (format_chunk->len-0x10>0)
{
lseek(d->fd,(format_chunk->len-0x10),SEEK_CUR);
}
d->hsize=sizeof(wave_header_t)-0x10+format_chunk->len;
len = read(d->fd, header3, sizeof(header3)) ;
if (len != sizeof(header3)){
ms_warning("Wrong wav header: cannot read file");
goto not_a_wav;
}
count=0;
while (strncmp(data_chunk->data, "data", 4)!=0 && count<30)
{
ms_warning("skipping chunk=%s len=%i", data_chunk->data, data_chunk->len);
lseek(d->fd,data_chunk->len,SEEK_CUR);
count++;
d->hsize=d->hsize+len+data_chunk->len;
len = read(d->fd, header3, sizeof(header3)) ;
if (len != sizeof(header3)){
ms_warning("Wrong wav header: cannot read file");
goto not_a_wav;
}
}
#ifdef WORDS_BIGENDIAN
if (le_uint16(format_chunk->blockalign)==le_uint16(format_chunk->channel) * 2)
d->swap=TRUE;
#endif
return 0;
not_a_wav:
/*rewind*/
lseek(d->fd,0,SEEK_SET);
d->hsize=0;
return -1;
}
static int read_wav_header(PlayerData *d){
char header1[sizeof(riff_t)];
char header2[sizeof(format_t)];
char header3[sizeof(data_t)];
int count;
riff_t *riff_chunk=(riff_t*)header1;
format_t *format_chunk=(format_t*)header2;
data_t *data_chunk=(data_t*)header3;
unsigned long len=0;
BOOL res;
res = ReadFile(d->fd, header1, sizeof(header1), &len, NULL) ;
if (!res || len != sizeof(header1)){
ms_warning("Wrong wav header: cannot read file");
return -1;
}
if (0!=strncmp(riff_chunk->riff, "RIFF", 4) || 0!=strncmp(riff_chunk->wave, "WAVE", 4)){
ms_warning("Wrong wav header (not RIFF/WAV)");
return -1;
}
res = ReadFile(d->fd, header2, sizeof(header2), &len, NULL) ;
if (!res || len != sizeof(header2)){
ms_warning("Wrong wav header: cannot read file");
return -1;
}
d->rate=le_uint32(format_chunk->rate);
d->nchannels=le_uint16(format_chunk->channel);
if (format_chunk->len-0x10>0)
{
SetFilePointer(d->fd, (format_chunk->len-0x10), NULL, FILE_CURRENT);
}
d->hsize=sizeof(wave_header_t)-0x10+format_chunk->len;
res = ReadFile(d->fd, header3, sizeof(header3), &len, NULL) ;
if (!res || len != sizeof(header3)){
ms_warning("Wrong wav header: cannot read file");
return -1;
}
count=0;
while (strncmp(data_chunk->data, "data", 4)!=0 && count<30)
{
SetFilePointer(d->fd, data_chunk->len, NULL, FILE_CURRENT);
count++;
d->hsize=d->hsize+len+data_chunk->len;
res = ReadFile(d->fd, header3, sizeof(header3), &len, NULL) ;
if (!res || len != sizeof(header3)){
ms_warning("Wrong wav header: cannot read file");
return -1;
}
}
#ifdef WORDS_BIGENDIAN
d->swap=TRUE;
#endif
return 0;
}
