static inline int sf_need_swap(sample_format_t sf)
{
#ifdef WORDS_BIGENDIAN
return !sf_get_bigendian(sf);
#else
return sf_get_bigendian(sf);
#endif
}
static int sndio_set_sf(sample_format_t sf)
{
struct sio_par apar;
sndio_sf = sf;
sio_initpar(&par);
par.pchan = sf_get_channels(sndio_sf);
par.rate = sf_get_rate(sndio_sf);
sndio_paused = 0;
if (sf_get_signed(sndio_sf))
par.sig = 1;
else
par.sig = 0;
if (sf_get_bigendian(sndio_sf))
par.le = 0;
else
par.le = 1;
switch (sf_get_bits(sndio_sf)) {
case 16:
par.bits = 16;
break;
case 8:
par.bits = 8;
break;
default:
return -OP_ERROR_SAMPLE_FORMAT;
}
par.appbufsz = par.rate * 300 / 1000;
apar = par;
if (!sio_setpar(hdl, &par))
return -OP_ERROR_INTERNAL;
if (!sio_getpar(hdl, &par))
return -OP_ERROR_INTERNAL;
if (apar.rate != par.rate || apar.pchan != par.pchan ||
apar.bits != par.bits || (par.bits > 8 && apar.le != par.le) ||
apar.sig != par.sig)
return -OP_ERROR_INTERNAL;
sndio_mixer_set_volume(sndio_volume, sndio_volume);
if (!sio_start(hdl))
return -OP_ERROR_INTERNAL;
return OP_ERROR_SUCCESS;
}
static int waveout_open(sample_format_t sf)
{
WAVEFORMATEX format;
int rc, i;
/* WAVEFORMATEX does not support channels > 2, waveOutWrite() wants little endian signed PCM */
if (sf_get_bigendian(sf) || !sf_get_signed(sf) || sf_get_channels(sf) > 2) {
return -OP_ERROR_SAMPLE_FORMAT;
}
memset(&format, 0, sizeof(format));
format.cbSize = sizeof(format);
format.wFormatTag = WAVE_FORMAT_PCM;
format.nChannels = sf_get_channels(sf);
format.nSamplesPerSec = sf_get_rate(sf);
format.wBitsPerSample = sf_get_bits(sf);
format.nAvgBytesPerSec = sf_get_second_size(sf);
format.nBlockAlign = sf_get_frame_size(sf);
if ((rc = waveOutOpen(&wave_out, WAVE_MAPPER, &format, 0, 0, CALLBACK_NULL)) != MMSYSERR_NOERROR) {
switch (rc) {
case MMSYSERR_ALLOCATED:
errno = EBUSY;
return -OP_ERROR_ERRNO;
case MMSYSERR_BADDEVICEID:
case MMSYSERR_NODRIVER:
errno = ENODEV;
return -OP_ERROR_ERRNO;
case MMSYSERR_NOMEM:
errno = ENOMEM;
return -OP_ERROR_ERRNO;
case WAVERR_BADFORMAT:
return -OP_ERROR_SAMPLE_FORMAT;
}
return -OP_ERROR_INTERNAL;
}
/* reset buffers */
for (i = 0; i < buffer_count; i++) {
buffers[i].dwFlags = 0;
}
buffer_idx = 0;
buffers_free = buffer_count;
waveout_sf = sf;
return 0;
}
static void scale_samples(char *buffer, unsigned int *countp)
{
unsigned int count = *countp;
int ch, bits, l, r;
BUG_ON(scale_pos < consumer_pos);
if (consumer_pos != scale_pos) {
unsigned int offs = scale_pos - consumer_pos;
if (offs >= count)
return;
buffer += offs;
count -= offs;
}
scale_pos += count;
if (replaygain_scale == 1.0 && soft_vol_l == 100 && soft_vol_r == 100)
return;
ch = sf_get_channels(buffer_sf);
bits = sf_get_bits(buffer_sf);
if (ch != 2 || (bits != 16 && bits != 24 && bits != 32))
return;
l = SOFT_VOL_SCALE;
r = SOFT_VOL_SCALE;
if (soft_vol && soft_vol_l != 100)
l = soft_vol_db[soft_vol_l];
if (soft_vol && soft_vol_r != 100)
r = soft_vol_db[soft_vol_r];
l *= replaygain_scale;
r *= replaygain_scale;
switch (bits) {
case 16:
SCALE_SAMPLES(int16_t, buffer, count, l, r, sf_need_swap(buffer_sf));
break;
case 24:
if (likely(!sf_get_bigendian(buffer_sf)))
scale_samples_s24le(buffer, count, l, r);
break;
case 32:
SCALE_SAMPLES(int32_t, buffer, count, l, r, sf_need_swap(buffer_sf));
break;
}
}
static int op_roar_open(sample_format_t sf, const channel_position_t *channel_map)
{
struct roar_audio_info info;
int ret;
memset(&info, 0, sizeof(info));
ROAR_DBG("op_roar_open(*) = ?");
format = sf;
info.rate = sf_get_rate(sf);
info.channels = sf_get_channels(sf);
info.bits = sf_get_bits(sf);
if (sf_get_bigendian(sf)) {
if (sf_get_signed(sf)) {
info.codec = ROAR_CODEC_PCM_S_BE;
} else {
info.codec = ROAR_CODEC_PCM_U_BE;
}
} else {
if (sf_get_signed(sf)) {
info.codec = ROAR_CODEC_PCM_S_LE;
} else {
info.codec = ROAR_CODEC_PCM_U_LE;
}
}
ROAR_DBG("op_roar_open(*) = ?");
if (roar_libroar_set_server(host) == -1) {
ROAR_DBG("op_roar_open(*) = ?");
roar_err_to_errno();
return -OP_ERROR_ERRNO;
}
if ( roar_simple_connect2(&con, NULL, "C* Music Player (cmus)", ROAR_ENUM_FLAG_NONBLOCK, 0) == -1 ) {
ROAR_DBG("op_roar_open(*) = ?");
roar_err_to_errno();
return -OP_ERROR_ERRNO;
}
vss = roar_vs_new_from_con(&con, &err);
if (vss == NULL) {
ROAR_DBG("op_roar_open(*) = ?");
roar_disconnect(&con);
_err_to_errno();
return -OP_ERROR_ERRNO;
}
if (roar_vs_stream(vss, &info, ROAR_DIR_PLAY, &err) == -1) {
ROAR_DBG("op_roar_open(*) = ?");
roar_disconnect(&con);
_err_to_errno();
return -OP_ERROR_ERRNO;
}
ROAR_DBG("op_roar_open(*) = ?");
if (roar_vs_buffer(vss, 2048*8, &err) == -1) {
roar_vs_close(vss, ROAR_VS_TRUE, NULL);
roar_disconnect(&con);
_err_to_errno();
return -OP_ERROR_ERRNO;
}
ROAR_DBG("op_roar_open(*) = ?");
ret = _set_role();
if (ret != 0) {
roar_vs_close(vss, ROAR_VS_TRUE, NULL);
roar_disconnect(&con);
_err_to_errno();
return ret;
}
ROAR_DBG("op_roar_open(*) = ?");
if (roar_vs_blocking(vss, ROAR_VS_FALSE, &err) == -1) {
/* FIXME: handle this error */
}
ROAR_DBG("op_roar_open(*) = 0");
return 0;
}
static int oss_set_sf(sample_format_t sf)
{
int tmp, log2_fragment_size, nr_fragments, bytes_per_second;
oss_reset();
oss_sf = sf;
#ifdef SNDCTL_DSP_CHANNELS
tmp = sf_get_channels(oss_sf);
if (ioctl(oss_fd, SNDCTL_DSP_CHANNELS, &tmp) == -1)
return -1;
#else
tmp = sf_get_channels(oss_sf) - 1;
if (ioctl(oss_fd, SNDCTL_DSP_STEREO, &tmp) == -1)
return -1;
#endif
if (sf_get_bits(oss_sf) == 16) {
if (sf_get_signed(oss_sf)) {
if (sf_get_bigendian(oss_sf)) {
tmp = AFMT_S16_BE;
} else {
tmp = AFMT_S16_LE;
}
} else {
if (sf_get_bigendian(oss_sf)) {
tmp = AFMT_U16_BE;
} else {
tmp = AFMT_U16_LE;
}
}
} else if (sf_get_bits(oss_sf) == 8) {
if (sf_get_signed(oss_sf)) {
tmp = AFMT_S8;
} else {
tmp = AFMT_U8;
}
} else if (sf_get_bits(oss_sf) == 32 && sf_get_signed(oss_sf)) {
if (sf_get_bigendian(oss_sf)) {
tmp = AFMT_S32_BE;
} else {
tmp = AFMT_S32_LE;
}
} else if (sf_get_bits(oss_sf) == 24 && sf_get_signed(oss_sf) && !sf_get_bigendian(oss_sf)) {
tmp = AFMT_S24_PACKED;
} else {
d_print("unsupported sample format: %c%u_%s\n",
sf_get_signed(oss_sf) ? 'S' : 'U', sf_get_bits(oss_sf),
sf_get_bigendian(oss_sf) ? "BE" : "LE");
return -1;
}
if (ioctl(oss_fd, SNDCTL_DSP_SAMPLESIZE, &tmp) == -1)
return -1;
tmp = sf_get_rate(oss_sf);
if (ioctl(oss_fd, SNDCTL_DSP_SPEED, &tmp) == -1)
return -1;
bytes_per_second = sf_get_second_size(oss_sf);
log2_fragment_size = 0;
while (1 << log2_fragment_size < bytes_per_second / 25)
log2_fragment_size++;
log2_fragment_size--;
nr_fragments = 32;
/* bits 0..15 = size of fragment, 16..31 = log2(number of fragments) */
tmp = (nr_fragments << 16) + log2_fragment_size;
if (ioctl(oss_fd, SNDCTL_DSP_SETFRAGMENT, &tmp) == -1)
return -1;
return 0;
}
