static int op_jack_open(sample_format_t sf, const channel_position_t *cm)
{
sample_format = sf;
if (fail) {
/* jack went away so lets see if we can recover */
if (client != NULL) {
op_jack_exit();
}
if (op_jack_init() != OP_ERROR_SUCCESS) {
return -OP_ERROR_INTERNAL;
}
}
if (cm == NULL) {
d_print("no channel_map\n");
return -OP_ERROR_NOT_SUPPORTED;
}
channel_map = cm;
#ifdef HAVE_SAMPLERATE
op_jack_reset_src();
resample_ratio = (float) jack_sample_rate / (float) sf_get_rate(sf);
#else
if (jack_sample_rate != sf_get_rate(sf)) {
d_print("jack sample rate of %d does not match %d\n", jack_get_sample_rate(client), sf_get_rate(sf));
return -OP_ERROR_SAMPLE_FORMAT;
}
#endif
if (sf_get_channels(sf) < CHANNELS) {
d_print("%d channels not supported\n", sf_get_channels(sf));
return -OP_ERROR_SAMPLE_FORMAT;
}
int bits = sf_get_bits(sf);
if (bits == 16) {
sample_bytes = 2;
read_sample = sf_get_signed(sf) ? &read_sample_le16 : &read_sample_le16u;
} else if (bits == 24) {
sample_bytes = 3;
read_sample = sf_get_signed(sf) ? &read_sample_le24 : &read_sample_le24u;
} else if (bits == 32) {
sample_bytes = 4;
read_sample = sf_get_signed(sf) ? &read_sample_le32 : &read_sample_le32u;
} else {
d_print("%d bits not supported\n", sf_get_bits(sf));
return -OP_ERROR_SAMPLE_FORMAT;
}
paused = false;
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 int change_sf(int drop)
{
int old_sf = buffer_sf;
CHANNEL_MAP(old_channel_map);
channel_map_copy(old_channel_map, buffer_channel_map);
set_buffer_sf();
if (buffer_sf != old_sf || !channel_map_equal(buffer_channel_map, old_channel_map, sf_get_channels(buffer_sf))) {
/* reopen */
int rc;
if (drop)
op_drop();
op_close();
rc = op_open(buffer_sf, buffer_channel_map);
if (rc) {
player_op_error(rc, "opening audio device");
__consumer_status_update(CS_STOPPED);
__producer_stop();
return rc;
}
} else if (consumer_status == CS_PAUSED) {
op_drop();
op_unpause();
}
__consumer_status_update(CS_PLAYING);
return 0;
}
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 void set_buffer_sf(void)
{
buffer_sf = ip_get_sf(ip);
ip_get_channel_map(ip, buffer_channel_map);
/* ip_read converts samples to this format */
if (sf_get_channels(buffer_sf) <= 2 && sf_get_bits(buffer_sf) <= 16) {
buffer_sf &= SF_RATE_MASK;
buffer_sf |= sf_channels(2) | sf_bits(16) | sf_signed(1);
buffer_sf |= sf_host_endian();
channel_map_init_stereo(buffer_channel_map);
}
}
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_arts_open(sample_format_t sf, const channel_position_t *channel_map)
{
int buffer_time, server_latency, total_latency;
int blocking;
arts_sf = sf;
arts_stream = arts_play_stream(sf_get_rate(arts_sf), sf_get_bits(arts_sf),
sf_get_channels(arts_sf), "cmus");
blocking = arts_stream_set(arts_stream, ARTS_P_BLOCKING, 0);
if (blocking) {
}
arts_buffer_size = arts_stream_get(arts_stream, ARTS_P_BUFFER_SIZE);
if (arts_buffer_size < 0) {
}
buffer_time = arts_stream_get(arts_stream, ARTS_P_BUFFER_TIME);
server_latency = arts_stream_get(arts_stream, ARTS_P_SERVER_LATENCY);
total_latency = arts_stream_get(arts_stream, ARTS_P_TOTAL_LATENCY);
d_print("buffer_time: %d\n", buffer_time);
d_print("server_latency: %d\n", server_latency);
d_print("total_latency: %d\n", total_latency);
return 0;
}
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;
}
0, NULL, layout_size, layout);
if (err != noErr)
d_print("Cannot set the channel layout successfully.\n");
free(layout);
}
static AudioStreamBasicDescription coreaudio_fill_format_description(sample_format_t sf)
{
AudioStreamBasicDescription desc = {
.mSampleRate = (Float64)sf_get_rate(sf),
.mFormatID = kAudioFormatLinearPCM,
.mFormatFlags = kAudioFormatFlagIsPacked,
.mBytesPerPacket = sf_get_frame_size(sf),
.mFramesPerPacket = 1,
.mChannelsPerFrame = sf_get_channels(sf),
.mBitsPerChannel = sf_get_bits(sf),
.mBytesPerFrame = sf_get_frame_size(sf),
};
d_print("Bits:%d\n", sf_get_bits(sf));
if (sf_get_bigendian(sf))
desc.mFormatFlags |= kAudioFormatFlagIsBigEndian;
if (sf_get_signed(sf))
desc.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
return desc;
}
static void coreaudio_sync_device_sample_rate(AudioDeviceID dev_id, AudioStreamBasicDescription desc)
{
static int op_jack_write(const char *buffer, int count)
{
if (fail) {
op_jack_exit();
return -OP_ERROR_INTERNAL;
}
if (!drop_done) {
return 0;
}
int frame_size = sf_get_frame_size(sample_format);
int channels = sf_get_channels(sample_format);
size_t frames = count / frame_size;
/* since this is the only place where the ringbuffers get
* written, available space will only grow, therefore frames_min
* is safe.
*/
size_t frames_min = SIZE_MAX;
for (int c = 0; c < CHANNELS; c++) {
size_t frames_available = jack_ringbuffer_write_space(ringbuffer[c]) / sizeof(jack_default_audio_sample_t);
if (frames_available < frames_min) {
frames_min = frames_available;
}
}
if (frames > frames_min) {
frames = frames_min;
}
jack_default_audio_sample_t buf[CHANNELS][buffer_size];
/* demux and convert to float */
for (int pos = 0; pos < count; ) {
int frame = pos / frame_size;
for (int c = 0; c < channels; c++) {
int idx = pos + c * sample_bytes;
/* for now, only 2 channels and mono are supported */
if (channel_map[c] == CHANNEL_POSITION_LEFT || channel_map[c] == CHANNEL_POSITION_MONO) {
buf[0][frame] = read_sample(&buffer[idx]);
} else if (channel_map[c] == CHANNEL_POSITION_RIGHT || channel_map[c] == CHANNEL_POSITION_MONO) {
buf[1][frame] = read_sample(&buffer[idx]);
}
}
pos += frame_size;
}
#ifdef HAVE_SAMPLERATE
if (resample_ratio > 1.01f || resample_ratio < 0.99) {
jack_default_audio_sample_t converted[buffer_size];
SRC_DATA src_data;
for (int c = 0; c < CHANNELS; c++) {
src_data.data_in = buf[c];
src_data.data_out = converted;
src_data.input_frames = frames;
src_data.output_frames = frames_min;
src_data.src_ratio = resample_ratio;
src_data.end_of_input = 0;
int err = src_process(src_state[c], &src_data);
if (err) {
d_print("libsamplerate err %s\n", src_strerror(err));
}
int byte_length = src_data.output_frames_gen * sizeof(jack_default_audio_sample_t);
jack_ringbuffer_write(ringbuffer[c], (const char*) converted, byte_length);
}
return src_data.input_frames_used * frame_size;
} else {
#endif
int byte_length = frames * sizeof(jack_default_audio_sample_t);
for (int c = 0; c < CHANNELS; c++) {
jack_ringbuffer_write(ringbuffer[c], (const char*) buf[c], byte_length);
}
return frames * frame_size;
#ifdef HAVE_SAMPLERATE
}
#endif
}
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;
}
