JackNetOneDriver.cpp
/*
Copyright (C) 2008-2011 Torben Horn
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef WIN32
#include <malloc.h>
#endif
#include "JackNetOneDriver.h"
#include "JackEngineControl.h"
#include "JackLockedEngine.h"
#include "JackGraphManager.h"
#include "JackWaitThreadedDriver.h"
#include "JackTools.h"
#include "driver_interface.h"
#include "netjack.h"
#include "netjack_packet.h"
#if HAVE_SAMPLERATE
#include <samplerate.h>
#endif
#if HAVE_CELT
#include <celt/celt.h>
#endif
#if HAVE_OPUS
#include <opus/opus.h>
#include <opus/opus_custom.h>
#endif
#define MIN(x,y) ((x)<(y) ? (x) : (y))
using namespace std;
namespace Jack
{
JackNetOneDriver::JackNetOneDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table,
int port, int mtu, int capture_ports, int playback_ports, int midi_input_ports, int midi_output_ports,
int sample_rate, int period_size, int resample_factor,
const char* net_name, uint transport_sync, int bitdepth, int use_autoconfig,
int latency, int redundancy, int dont_htonl_floats, int always_deadline, int jitter_val)
: JackWaiterDriver(name, alias, engine, table)
{
jack_log("JackNetOneDriver::JackNetOneDriver port %d", port);
#ifdef WIN32
WSADATA wsa;
WSAStartup(MAKEWORD(2, 0), &wsa);
#endif
netjack_init(& (this->netj),
NULL, // client
name,
capture_ports,
playback_ports,
midi_input_ports,
midi_output_ports,
sample_rate,
period_size,
port,
transport_sync,
resample_factor,
0,
bitdepth,
use_autoconfig,
latency,
redundancy,
dont_htonl_floats,
always_deadline,
jitter_val);
}
JackNetOneDriver::~JackNetOneDriver()
{
// No destructor yet.
}
//open, close, attach and detach------------------------------------------------------
int JackNetOneDriver::Close()
{
// Generic audio driver close
int res = JackWaiterDriver::Close();
FreePorts();
netjack_release(&netj);
return res;
}
int JackNetOneDriver::Attach()
{
return 0;
}
int JackNetOneDriver::Detach()
{
return 0;
}
int JackNetOneDriver::AllocPorts()
{
jack_port_id_t port_index;
char buf[64];
unsigned int chn;
//if (netj.handle_transport_sync)
// jack_set_sync_callback(netj.client, (JackSyncCallback) net_driver_sync_cb, NULL);
for (chn = 0; chn < netj.capture_channels_audio; chn++) {
snprintf (buf, sizeof(buf) - 1, "system:capture_%u", chn + 1);
if (fEngine->PortRegister(fClientControl.fRefNum, buf, JACK_DEFAULT_AUDIO_TYPE,
CaptureDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {
jack_error("driver: cannot register port for %s", buf);
return -1;
}
//port = fGraphManager->GetPort(port_index);
netj.capture_ports = jack_slist_append (netj.capture_ports, (void *)(intptr_t)port_index);
if (netj.bitdepth == CELT_MODE) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
celt_int32 lookahead;
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, netj.period_size, NULL);
netj.capture_srcs = jack_slist_append(netj.capture_srcs, celt_decoder_create_custom(celt_mode, 1, NULL));
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
celt_int32 lookahead;
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, netj.period_size, NULL);
netj.capture_srcs = jack_slist_append(netj.capture_srcs, celt_decoder_create(celt_mode, 1, NULL));
#else
celt_int32_t lookahead;
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, 1, netj.period_size, NULL);
netj.capture_srcs = jack_slist_append(netj.capture_srcs, celt_decoder_create(celt_mode));
#endif
celt_mode_info(celt_mode, CELT_GET_LOOKAHEAD, &lookahead);
netj.codec_latency = 2 * lookahead;
#endif
} else if (netj.bitdepth == OPUS_MODE) {
#if HAVE_OPUS
OpusCustomMode *opus_mode = opus_custom_mode_create(netj.sample_rate, netj.period_size, NULL); // XXX free me in the end
OpusCustomDecoder *decoder = opus_custom_decoder_create( opus_mode, 1, NULL );
netj.capture_srcs = jack_slist_append(netj.capture_srcs, decoder);
#endif
} else {
#if HAVE_SAMPLERATE
netj.capture_srcs = jack_slist_append(netj.capture_srcs, (void *)src_new(SRC_LINEAR, 1, NULL));
#endif
}
}
for (chn = netj.capture_channels_audio; chn < netj.capture_channels; chn++) {
snprintf (buf, sizeof(buf) - 1, "system:capture_%u", chn + 1);
if (fEngine->PortRegister(fClientControl.fRefNum, buf, JACK_DEFAULT_MIDI_TYPE,
CaptureDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {
jack_error("driver: cannot register port for %s", buf);
return -1;
}
//port = fGraphManager->GetPort(port_index);
netj.capture_ports =
jack_slist_append (netj.capture_ports, (void *)(intptr_t)port_index);
}
for (chn = 0; chn < netj.playback_channels_audio; chn++) {
snprintf (buf, sizeof(buf) - 1, "system:playback_%u", chn + 1);
if (fEngine->PortRegister(fClientControl.fRefNum, buf, JACK_DEFAULT_AUDIO_TYPE,
PlaybackDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {
jack_error("driver: cannot register port for %s", buf);
return -1;
}
//port = fGraphManager->GetPort(port_index);
netj.playback_ports = jack_slist_append (netj.playback_ports, (void *)(intptr_t)port_index);
if (netj.bitdepth == CELT_MODE) {
#if HAVE_CELT
#if HAVE_CELT_API_0_11
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, netj.period_size, NULL);
netj.playback_srcs = jack_slist_append(netj.playback_srcs, celt_encoder_create_custom(celt_mode, 1, NULL));
#elif HAVE_CELT_API_0_7 || HAVE_CELT_API_0_8
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, netj.period_size, NULL);
netj.playback_srcs = jack_slist_append(netj.playback_srcs, celt_encoder_create(celt_mode, 1, NULL));
#else
CELTMode *celt_mode = celt_mode_create(netj.sample_rate, 1, netj.period_size, NULL);
netj.playback_srcs = jack_slist_append(netj.playback_srcs, celt_encoder_create(celt_mode));
#endif
#endif
} else if (netj.bitdepth == OPUS_MODE) {
#if HAVE_OPUS
const int kbps = netj.resample_factor;
jack_error("NEW ONE OPUS ENCODER 128 <> %d!!", kbps);
int err;
OpusCustomMode *opus_mode = opus_custom_mode_create( netj.sample_rate, netj.period_size, &err ); // XXX free me in the end
if (err != OPUS_OK) { jack_error("opus mode failed"); }
OpusCustomEncoder *oe = opus_custom_encoder_create( opus_mode, 1, &err );
if (err != OPUS_OK) { jack_error("opus mode failed"); }
opus_custom_encoder_ctl(oe, OPUS_SET_BITRATE(kbps*1024)); // bits per second
opus_custom_encoder_ctl(oe, OPUS_SET_COMPLEXITY(10));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_SIGNAL_MUSIC));
opus_custom_encoder_ctl(oe, OPUS_SET_SIGNAL(OPUS_APPLICATION_RESTRICTED_LOWDELAY));
netj.playback_srcs = jack_slist_append(netj.playback_srcs, oe);
#endif
} else {
#if HAVE_SAMPLERATE
netj.playback_srcs = jack_slist_append(netj.playback_srcs, (void *)src_new(SRC_LINEAR, 1, NULL));
#endif
}
}
for (chn = netj.playback_channels_audio; chn < netj.playback_channels; chn++) {
snprintf (buf, sizeof(buf) - 1, "system:playback_%u", chn + 1);
if (fEngine->PortRegister(fClientControl.fRefNum, buf, JACK_DEFAULT_MIDI_TYPE,
PlaybackDriverFlags, fEngineControl->fBufferSize, &port_index) < 0) {
jack_error("driver: cannot register port for %s", buf);
return -1;
}
//port = fGraphManager->GetPort(port_index);
netj.playback_ports =
jack_slist_append (netj.playback_ports, (void *)(intptr_t)port_index);
}
return 0;
}
//init and restart--------------------------------------------------------------------
bool JackNetOneDriver::Initialize()
{
jack_log("JackNetOneDriver::Init");
FreePorts();
netjack_release(&netj);
//display some additional infos
jack_info("NetOne driver started");
if (netjack_startup(&netj)) {
return false;
}
//register jack ports
if (AllocPorts() != 0) {
jack_error("Can't allocate ports.");
return false;
}
//monitor
//driver parametering
JackTimedDriver::SetBufferSize(netj.period_size);
JackTimedDriver::SetSampleRate(netj.sample_rate);
JackDriver::NotifyBufferSize(netj.period_size);
JackDriver::NotifySampleRate(netj.sample_rate);
//transport engine parametering
fEngineControl->fTransport.SetNetworkSync(true);
return true;
}
//jack ports and buffers--------------------------------------------------------------
//driver processes--------------------------------------------------------------------
int JackNetOneDriver::Read()
{
int delay;
delay = netjack_wait(&netj);
if (delay) {
NotifyXRun(fBeginDateUst, (float) delay);
jack_error("netxruns... duration: %dms", delay / 1000);
}
if ((netj.num_lost_packets * netj.period_size / netj.sample_rate) > 2)
JackTools::ThrowJackNetException();
//netjack_read(&netj, netj.period_size);
JackDriver::CycleTakeBeginTime();
jack_position_t local_trans_pos;
jack_transport_state_t local_trans_state;
unsigned int *packet_buf, *packet_bufX;
if (! netj.packet_data_valid) {
jack_log("data not valid");
render_payload_to_jack_ports (netj.bitdepth, NULL, netj.net_period_down, netj.capture_ports, netj.capture_srcs, netj.period_size, netj.dont_htonl_floats);
return 0;
}
packet_buf = netj.rx_buf;
jacknet_packet_header *pkthdr = (jacknet_packet_header *)packet_buf;
packet_bufX = packet_buf + sizeof(jacknet_packet_header) / sizeof(jack_default_audio_sample_t);
netj.reply_port = pkthdr->reply_port;
netj.latency = pkthdr->latency;
// Special handling for latency=0
if (netj.latency == 0)
netj.resync_threshold = 0;
else
netj.resync_threshold = MIN(15, pkthdr->latency - 1);
// check whether, we should handle the transport sync stuff, or leave trnasports untouched.
if (netj.handle_transport_sync) {
#if 1
unsigned int compensated_tranport_pos = (pkthdr->transport_frame + (pkthdr->latency * netj.period_size) + netj.codec_latency);
// read local transport info....
//local_trans_state = jack_transport_query(netj.client, &local_trans_pos);
local_trans_state = fEngineControl->fTransport.Query(&local_trans_pos);
// Now check if we have to start or stop local transport to sync to remote...
switch (pkthdr->transport_state) {
case JackTransportStarting:
// the master transport is starting... so we set our reply to the sync_callback;
if (local_trans_state == JackTransportStopped) {
fEngineControl->fTransport.SetCommand(TransportCommandStart);
//jack_transport_start(netj.client);
//last_transport_state = JackTransportStopped;
netj.sync_state = 0;
jack_info("locally stopped... starting...");
}
if (local_trans_pos.frame != compensated_tranport_pos) {
jack_position_t new_pos = local_trans_pos;
new_pos.frame = compensated_tranport_pos + 2 * netj.period_size;
new_pos.valid = (jack_position_bits_t) 0;
fEngineControl->fTransport.RequestNewPos(&new_pos);
//jack_transport_locate(netj.client, compensated_tranport_pos);
//last_transport_state = JackTransportRolling;
netj.sync_state = 0;
jack_info("starting locate to %d", compensated_tranport_pos);
}
break;
case JackTransportStopped:
netj.sync_state = 1;
if (local_trans_pos.frame != (pkthdr->transport_frame)) {
jack_position_t new_pos = local_trans_pos;
new_pos.frame = pkthdr->transport_frame;
new_pos.valid = (jack_position_bits_t)0;
fEngineControl->fTransport.RequestNewPos(&new_pos);
//jack_transport_locate(netj.client, (pkthdr->transport_frame));
jack_info("transport is stopped locate to %d", pkthdr->transport_frame);
}
if (local_trans_state != JackTransportStopped)
//jack_transport_stop(netj.client);
fEngineControl->fTransport.SetCommand(TransportCommandStop);
break;
case JackTransportRolling:
netj.sync_state = 1;
// if(local_trans_pos.frame != (pkthdr->transport_frame + (pkthdr->latency) * netj.period_size)) {
// jack_transport_locate(netj.client, (pkthdr->transport_frame + (pkthdr->latency + 2) * netj.period_size));
// jack_info("running locate to %d", pkthdr->transport_frame + (pkthdr->latency)*netj.period_size);
// }
if (local_trans_state != JackTransportRolling)
fEngineControl->fTransport.SetState(JackTransportRolling);
break;
case JackTransportLooping:
break;
}
#endif
}
render_payload_to_jack_ports (netj.bitdepth, packet_bufX, netj.net_period_down, netj.capture_ports, netj.capture_srcs, netj.period_size, netj.dont_htonl_floats);
packet_cache_release_packet(netj.packcache, netj.expected_framecnt);
return 0;
}
int JackNetOneDriver::Write()
{
int syncstate = netj.sync_state | ((fEngineControl->fTransport.GetState() == JackTransportNetStarting) ? 1 : 0);
uint32_t *packet_buf, *packet_bufX;
int packet_size = get_sample_size(netj.bitdepth) * netj.playback_channels * netj.net_period_up + sizeof(jacknet_packet_header);
jacknet_packet_header *pkthdr;
packet_buf = (uint32_t *) alloca(packet_size);
pkthdr = (jacknet_packet_header *)packet_buf;
if (netj.running_free) {
return 0;
}
// offset packet_bufX by the packetheader.
packet_bufX = packet_buf + sizeof(jacknet_packet_header) / sizeof(jack_default_audio_sample_t);
pkthdr->sync_state = syncstate;;
pkthdr->latency = netj.time_to_deadline;
//printf("time to deadline = %d goodness=%d\n", (int)netj.time_to_deadline, netj.deadline_goodness);
pkthdr->framecnt = netj.expected_framecnt;
render_jack_ports_to_payload(netj.bitdepth, netj.playback_ports, netj.playback_srcs, netj.period_size, packet_bufX, netj.net_period_up, netj.dont_htonl_floats);
packet_header_hton(pkthdr);
if (netj.srcaddress_valid) {
unsigned int r;
static const int flag = 0;
if (netj.reply_port)
netj.syncsource_address.sin_port = htons(netj.reply_port);
for (r = 0; r < netj.redundancy; r++)
netjack_sendto(netj.sockfd, (char *)packet_buf, packet_size,
flag, (struct sockaddr*) & (netj.syncsource_address), sizeof(struct sockaddr_in), netj.mtu);
}
return 0;
}
void
JackNetOneDriver::FreePorts ()
{
JSList *node = netj.capture_ports;
while (node != NULL) {
JSList *this_node = node;
jack_port_id_t port_index = (jack_port_id_t)(intptr_t) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
fEngine->PortUnRegister(fClientControl.fRefNum, port_index);
}
netj.capture_ports = NULL;
node = netj.playback_ports;
while (node != NULL) {
JSList *this_node = node;
jack_port_id_t port_index = (jack_port_id_t)(intptr_t) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
fEngine->PortUnRegister(fClientControl.fRefNum, port_index);
}
netj.playback_ports = NULL;
if (netj.bitdepth == CELT_MODE) {
#if HAVE_CELT
node = netj.playback_srcs;
while (node != NULL) {
JSList *this_node = node;
CELTEncoder *enc = (CELTEncoder *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
celt_encoder_destroy(enc);
}
netj.playback_srcs = NULL;
node = netj.capture_srcs;
while (node != NULL) {
JSList *this_node = node;
CELTDecoder *dec = (CELTDecoder *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
celt_decoder_destroy(dec);
}
netj.capture_srcs = NULL;
#endif
} else if (netj.bitdepth == OPUS_MODE) {
#if HAVE_OPUS
node = netj.playback_srcs;
while (node != NULL) {
JSList *this_node = node;
OpusCustomEncoder *enc = (OpusCustomEncoder *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
opus_custom_encoder_destroy(enc);
}
netj.playback_srcs = NULL;
node = netj.capture_srcs;
while (node != NULL) {
JSList *this_node = node;
OpusCustomDecoder *dec = (OpusCustomDecoder *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
opus_custom_decoder_destroy(dec);
}
netj.capture_srcs = NULL;
#endif
} else {
#if HAVE_SAMPLERATE
node = netj.playback_srcs;
while (node != NULL) {
JSList *this_node = node;
SRC_STATE *state = (SRC_STATE *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
src_delete(state);
}
netj.playback_srcs = NULL;
node = netj.capture_srcs;
while (node != NULL) {
JSList *this_node = node;
SRC_STATE *state = (SRC_STATE *) node->data;
node = jack_slist_remove_link(node, this_node);
jack_slist_free_1(this_node);
src_delete(state);
}
netj.capture_srcs = NULL;
#endif
}
}
//Render functions--------------------------------------------------------------------
// render functions for float
void
JackNetOneDriver::render_payload_to_jack_ports_float(void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes, int dont_htonl_floats)
{
uint32_t chn = 0;
JSList *node = capture_ports;
#if HAVE_SAMPLERATE
JSList *src_node = capture_srcs;
#endif
uint32_t *packet_bufX = (uint32_t *)packet_payload;
if (!packet_payload)
return;
while (node != NULL) {
unsigned int i;
int_float_t val;
#if HAVE_SAMPLERATE
SRC_DATA src;
#endif
jack_port_id_t port_index = (jack_port_id_t)(intptr_t) node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *porttype = port->GetType();
if (strncmp (porttype, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
#if HAVE_SAMPLERATE
// audio port, resample if necessary
if (net_period_down != nframes) {
SRC_STATE *src_state = (SRC_STATE *)src_node->data;
for (i = 0; i < net_period_down; i++) {
packet_bufX[i] = ntohl (packet_bufX[i]);
}
src.data_in = (float *) packet_bufX;
src.input_frames = net_period_down;
src.data_out = buf;
src.output_frames = nframes;
src.src_ratio = (float) nframes / (float) net_period_down;
src.end_of_input = 0;
src_set_ratio (src_state, src.src_ratio);
src_process (src_state, &src);
src_node = jack_slist_next (src_node);
} else
#endif
{
if (dont_htonl_floats) {
memcpy(buf, packet_bufX, net_period_down * sizeof(jack_default_audio_sample_t));
} else {
for (i = 0; i < net_period_down; i++) {
val.i = packet_bufX[i];
val.i = ntohl (val.i);
buf[i] = val.f;
}
}
}
} else if (strncmp (porttype, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// midi port, decode midi events
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_down;
uint32_t * buffer_uint32 = (uint32_t*)packet_bufX;
decode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_down);
node = jack_slist_next (node);
chn++;
}
}
void
JackNetOneDriver::render_jack_ports_to_payload_float (JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up, int dont_htonl_floats)
{
uint32_t chn = 0;
JSList *node = playback_ports;
#if HAVE_SAMPLERATE
JSList *src_node = playback_srcs;
#endif
uint32_t *packet_bufX = (uint32_t *) packet_payload;
while (node != NULL) {
#if HAVE_SAMPLERATE
SRC_DATA src;
#endif
unsigned int i;
int_float_t val;
jack_port_id_t port_index = (jack_port_id_t)(intptr_t) node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *porttype = port->GetType();
if (strncmp (porttype, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
// audio port, resample if necessary
#if HAVE_SAMPLERATE
if (net_period_up != nframes) {
SRC_STATE *src_state = (SRC_STATE *) src_node->data;
src.data_in = buf;
src.input_frames = nframes;
src.data_out = (float *) packet_bufX;
src.output_frames = net_period_up;
src.src_ratio = (float) net_period_up / (float) nframes;
src.end_of_input = 0;
src_set_ratio (src_state, src.src_ratio);
src_process (src_state, &src);
for (i = 0; i < net_period_up; i++) {
packet_bufX[i] = htonl (packet_bufX[i]);
}
src_node = jack_slist_next (src_node);
} else
#endif
{
if (dont_htonl_floats) {
memcpy(packet_bufX, buf, net_period_up * sizeof(jack_default_audio_sample_t));
} else {
for (i = 0; i < net_period_up; i++) {
val.f = buf[i];
val.i = htonl (val.i);
packet_bufX[i] = val.i;
}
}
}
} else if (strncmp(porttype, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// encode midi events from port to packet
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_up;
uint32_t * buffer_uint32 = (uint32_t*) packet_bufX;
encode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_up);
node = jack_slist_next (node);
chn++;
}
}
#if HAVE_CELT
// render functions for celt.
void
JackNetOneDriver::render_payload_to_jack_ports_celt (void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes)
{
uint32_t chn = 0;
JSList *node = capture_ports;
JSList *src_node = capture_srcs;
unsigned char *packet_bufX = (unsigned char *)packet_payload;
while (node != NULL) {
jack_port_id_t port_index = (jack_port_id_t) (intptr_t)node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *portname = port->GetType();
if (strncmp(portname, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
// audio port, decode celt data.
CELTDecoder *decoder = (CELTDecoder *)src_node->data;
#if HAVE_CELT_API_0_8 || HAVE_CELT_API_0_11
if (!packet_payload)
celt_decode_float(decoder, NULL, net_period_down, buf, nframes);
else
celt_decode_float(decoder, packet_bufX, net_period_down, buf, nframes);
#else
if (!packet_payload)
celt_decode_float(decoder, NULL, net_period_down, buf);
else
celt_decode_float(decoder, packet_bufX, net_period_down, buf);
#endif
src_node = jack_slist_next (src_node);
} else if (strncmp(portname, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// midi port, decode midi events
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_down / 2;
uint32_t * buffer_uint32 = (uint32_t*) packet_bufX;
if (packet_payload)
decode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_down);
node = jack_slist_next (node);
chn++;
}
}
void
JackNetOneDriver::render_jack_ports_to_payload_celt (JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up)
{
uint32_t chn = 0;
JSList *node = playback_ports;
JSList *src_node = playback_srcs;
unsigned char *packet_bufX = (unsigned char *)packet_payload;
while (node != NULL) {
jack_port_id_t port_index = (jack_port_id_t) (intptr_t) node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *portname = port->GetType();
if (strncmp (portname, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
// audio port, encode celt data.
int encoded_bytes;
jack_default_audio_sample_t *floatbuf = (jack_default_audio_sample_t *)alloca (sizeof(jack_default_audio_sample_t) * nframes);
memcpy(floatbuf, buf, nframes * sizeof(jack_default_audio_sample_t));
CELTEncoder *encoder = (CELTEncoder *)src_node->data;
#if HAVE_CELT_API_0_8 || HAVE_CELT_API_0_11
encoded_bytes = celt_encode_float(encoder, floatbuf, nframes, packet_bufX, net_period_up);
#else
encoded_bytes = celt_encode_float(encoder, floatbuf, NULL, packet_bufX, net_period_up);
#endif
if (encoded_bytes != (int)net_period_up)
jack_error("something in celt changed. netjack needs to be changed to handle this.");
src_node = jack_slist_next(src_node);
} else if (strncmp(portname, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// encode midi events from port to packet
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_up / 2;
uint32_t * buffer_uint32 = (uint32_t*) packet_bufX;
encode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_up);
node = jack_slist_next (node);
chn++;
}
}
#endif
#if HAVE_OPUS
#define CDO (sizeof(short))
// render functions for Opus.
void
JackNetOneDriver::render_payload_to_jack_ports_opus (void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes)
{
int chn = 0;
JSList *node = capture_ports;
JSList *src_node = capture_srcs;
unsigned char *packet_bufX = (unsigned char *)packet_payload;
while (node != NULL) {
jack_port_id_t port_index = (jack_port_id_t) (intptr_t)node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *portname = port->GetType();
if (strncmp(portname, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
// audio port, decode opus data.
OpusCustomDecoder *decoder = (OpusCustomDecoder*) src_node->data;
if( !packet_payload )
memset(buf, 0, nframes * sizeof(float));
else {
unsigned short len;
memcpy(&len, packet_bufX, CDO);
len = ntohs(len);
opus_custom_decode_float( decoder, packet_bufX + CDO, len, buf, nframes );
}
src_node = jack_slist_next (src_node);
} else if (strncmp(portname, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// midi port, decode midi events
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_down / 2;
uint32_t * buffer_uint32 = (uint32_t*) packet_bufX;
if( packet_payload )
decode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_down);
node = jack_slist_next (node);
chn++;
}
}
void
JackNetOneDriver::render_jack_ports_to_payload_opus (JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up)
{
int chn = 0;
JSList *node = playback_ports;
JSList *src_node = playback_srcs;
unsigned char *packet_bufX = (unsigned char *)packet_payload;
while (node != NULL) {
jack_port_id_t port_index = (jack_port_id_t) (intptr_t) node->data;
JackPort *port = fGraphManager->GetPort(port_index);
jack_default_audio_sample_t* buf =
(jack_default_audio_sample_t*)fGraphManager->GetBuffer(port_index, fEngineControl->fBufferSize);
const char *portname = port->GetType();
if (strncmp (portname, JACK_DEFAULT_AUDIO_TYPE, jack_port_type_size()) == 0) {
// audio port, encode opus data.
int encoded_bytes;
jack_default_audio_sample_t *floatbuf = (jack_default_audio_sample_t *)alloca (sizeof(jack_default_audio_sample_t) * nframes);
memcpy(floatbuf, buf, nframes * sizeof(jack_default_audio_sample_t));
OpusCustomEncoder *encoder = (OpusCustomEncoder*) src_node->data;
encoded_bytes = opus_custom_encode_float( encoder, floatbuf, nframes, packet_bufX + CDO, net_period_up - CDO );
unsigned short len = htons(encoded_bytes);
memcpy(packet_bufX, &len, CDO);
src_node = jack_slist_next( src_node );
} else if (strncmp(portname, JACK_DEFAULT_MIDI_TYPE, jack_port_type_size()) == 0) {
// encode midi events from port to packet
// convert the data buffer to a standard format (uint32_t based)
unsigned int buffer_size_uint32 = net_period_up / 2;
uint32_t * buffer_uint32 = (uint32_t*) packet_bufX;
encode_midi_buffer (buffer_uint32, buffer_size_uint32, buf);
}
packet_bufX = (packet_bufX + net_period_up);
node = jack_slist_next (node);
chn++;
}
}
#endif
/* Wrapper functions with bitdepth argument... */
void
JackNetOneDriver::render_payload_to_jack_ports (int bitdepth, void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes, int dont_htonl_floats)
{
#if HAVE_CELT
if (bitdepth == CELT_MODE)
render_payload_to_jack_ports_celt (packet_payload, net_period_down, capture_ports, capture_srcs, nframes);
else
#endif
#if HAVE_OPUS
if (bitdepth == OPUS_MODE)
render_payload_to_jack_ports_opus (packet_payload, net_period_down, capture_ports, capture_srcs, nframes);
else
#endif
render_payload_to_jack_ports_float (packet_payload, net_period_down, capture_ports, capture_srcs, nframes, dont_htonl_floats);
}
void
JackNetOneDriver::render_jack_ports_to_payload (int bitdepth, JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up, int dont_htonl_floats)
{
#if HAVE_CELT
if (bitdepth == CELT_MODE)
render_jack_ports_to_payload_celt (playback_ports, playback_srcs, nframes, packet_payload, net_period_up);
else
#endif
#if HAVE_OPUS
if (bitdepth == OPUS_MODE)
render_jack_ports_to_payload_opus (playback_ports, playback_srcs, nframes, packet_payload, net_period_up);
else
#endif
render_jack_ports_to_payload_float (playback_ports, playback_srcs, nframes, packet_payload, net_period_up, dont_htonl_floats);
}
//driver loader-----------------------------------------------------------------------
#ifdef __cplusplus
extern "C"
{
#endif
SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor ()
{
jack_driver_desc_t * desc;
jack_driver_desc_filler_t filler;
jack_driver_param_value_t value;
desc = jack_driver_descriptor_construct("netone", JackDriverMaster, "netjack one slave backend component", &filler);
value.ui = 2U;
jack_driver_descriptor_add_parameter(desc, &filler, "audio-ins", 'i', JackDriverParamUInt, &value, NULL, "Number of capture channels (defaults to 2)", NULL);
jack_driver_descriptor_add_parameter(desc, &filler, "audio-outs", 'o', JackDriverParamUInt, &value, NULL, "Number of playback channels (defaults to 2)", NULL);
value.ui = 1U;
jack_driver_descriptor_add_parameter(desc, &filler, "midi-ins", 'I', JackDriverParamUInt, &value, NULL, "Number of midi capture channels (defaults to 1)", NULL);
jack_driver_descriptor_add_parameter(desc, &filler, "midi-outs", 'O', JackDriverParamUInt, &value, NULL, "Number of midi playback channels (defaults to 1)", NULL);
value.ui = 48000U;
jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);
value.ui = 1024U;
jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);
value.ui = 5U;
jack_driver_descriptor_add_parameter(desc, &filler, "num-periods", 'n', JackDriverParamUInt, &value, NULL, "Network latency setting in no. of periods", NULL);
value.ui = 3000U;
jack_driver_descriptor_add_parameter(desc, &filler, "listen-port", 'l', JackDriverParamUInt, &value, NULL, "The socket port we are listening on for sync packets", NULL);
value.ui = 1U;
jack_driver_descriptor_add_parameter(desc, &filler, "factor", 'f', JackDriverParamUInt, &value, NULL, "Factor for sample rate reduction", NULL);
value.ui = 0U;
jack_driver_descriptor_add_parameter(desc, &filler, "upstream-factor", 'u', JackDriverParamUInt, &value, NULL, "Factor for sample rate reduction on the upstream", NULL);
#if HAVE_CELT
value.ui = 0U;
jack_driver_descriptor_add_parameter(desc, &filler, "celt", 'c', JackDriverParamUInt, &value, NULL, "Set CELT encoding and number of kbits per channel", NULL);
#endif
#if HAVE_OPUS
value.ui = 0U;
jack_driver_descriptor_add_parameter(desc, &filler, "opus", 'P', JackDriverParamUInt, &value, NULL, "Set Opus encoding and number of kbits per channel", NULL);
#endif
value.ui = 0U;
jack_driver_descriptor_add_parameter(desc, &filler, "bit-depth", 'b', JackDriverParamUInt, &value, NULL, "Sample bit-depth (0 for float, 8 for 8bit and 16 for 16bit)", NULL);
value.i = true;
jack_driver_descriptor_add_parameter(desc, &filler, "transport-sync", 't', JackDriverParamBool, &value, NULL, "Whether to slave the transport to the master transport", NULL);
value.ui = true;
jack_driver_descriptor_add_parameter(desc, &filler, "autoconf", 'a', JackDriverParamBool, &value, NULL, "Whether to use Autoconfig, or just start", NULL);
value.ui = 1U;
jack_driver_descriptor_add_parameter(desc, &filler, "redundancy", 'R', JackDriverParamUInt, &value, NULL, "Send packets N times", NULL);
value.ui = false;
jack_driver_descriptor_add_parameter(desc, &filler, "native-endian", 'e', JackDriverParamBool, &value, NULL, "Dont convert samples to network byte order", NULL);
value.i = 0;
jack_driver_descriptor_add_parameter(desc, &filler, "jitterval", 'J', JackDriverParamInt, &value, NULL, "Attempted jitterbuffer microseconds on master", NULL);
value.i = false;
jack_driver_descriptor_add_parameter(desc, &filler, "always-deadline", 'D', JackDriverParamBool, &value, NULL, "Always use deadline", NULL);
return desc;
}
SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)
{
jack_nframes_t sample_rate = 48000;
jack_nframes_t resample_factor = 1;
jack_nframes_t period_size = 1024;
unsigned int capture_ports = 2;
unsigned int playback_ports = 2;
unsigned int capture_ports_midi = 1;
unsigned int playback_ports_midi = 1;
unsigned int listen_port = 3000;
unsigned int bitdepth = 0;
unsigned int handle_transport_sync = 1;
unsigned int use_autoconfig = 1;
unsigned int latency = 5;
unsigned int redundancy = 1;
unsigned int mtu = 1400;
#if HAVE_SAMPLERATE
unsigned int resample_factor_up = 1;
#endif
int dont_htonl_floats = 0;
int always_deadline = 0;
int jitter_val = 0;
const JSList * node;
const jack_driver_param_t * param;
for (node = params; node; node = jack_slist_next(node)) {
param = (const jack_driver_param_t*) node->data;
switch (param->character) {
case 'i':
capture_ports = param->value.ui;
break;
case 'o':
playback_ports = param->value.ui;
break;
case 'I':
capture_ports_midi = param->value.ui;
break;
case 'O':
playback_ports_midi = param->value.ui;
break;
case 'r':
sample_rate = param->value.ui;
break;
case 'p':
period_size = param->value.ui;
break;
case 'l':
listen_port = param->value.ui;
break;
case 'f':
#if HAVE_SAMPLERATE
resample_factor = param->value.ui;
#else
jack_error("not built with libsamplerate support");
return NULL;
#endif
break;
case 'u':
#if HAVE_SAMPLERATE
resample_factor_up = param->value.ui;
#else
jack_error("not built with libsamplerate support");
return NULL;
#endif
break;
case 'b':
bitdepth = param->value.ui;
break;
case 'c':
#if HAVE_CELT
bitdepth = CELT_MODE;
resample_factor = param->value.ui;
#else
jack_error("not built with celt support");
return NULL;
#endif
break;
case 'P':
#if HAVE_OPUS
bitdepth = OPUS_MODE;
resample_factor = param->value.ui;
jack_error("OPUS: %d\n", resample_factor);
#else
jack_error("not built with Opus support");
return NULL;
#endif
break;
case 't':
handle_transport_sync = param->value.ui;
break;
case 'a':
use_autoconfig = param->value.ui;
break;
case 'n':
latency = param->value.ui;
break;
case 'R':
redundancy = param->value.ui;
break;
case 'H':
dont_htonl_floats = param->value.ui;
break;
case 'J':
jitter_val = param->value.i;
break;
case 'D':
always_deadline = param->value.ui;
break;
}
}
try {
Jack::JackDriverClientInterface* driver = new Jack::JackWaitThreadedDriver (
new Jack::JackNetOneDriver("system", "net_pcm", engine, table, listen_port, mtu,
capture_ports_midi, playback_ports_midi, capture_ports, playback_ports,
sample_rate, period_size, resample_factor,
"net_pcm", handle_transport_sync, bitdepth, use_autoconfig, latency, redundancy,
dont_htonl_floats, always_deadline, jitter_val));
if (driver->Open(period_size, sample_rate, 1, 1, capture_ports, playback_ports,
0, "from_master", "to_master", 0, 0) == 0) {
return driver;
} else {
delete driver;
return NULL;
}
} catch (...) {
return NULL;
}
}
#ifdef __cplusplus
}
#endif
}
_jack_position
Definition: types.h:554
Jack
Definition: JackAC3Encoder.cpp:30
Jack::JackWaitThreadedDriver
Wrapper for a restartable threaded driver (e.g. JackNetDriver).
Definition: JackWaitThreadedDriver.h:38
Jack::JackLockedEngine
Locked Engine, access to methods is serialized using a mutex.
Definition: JackLockedEngine.h:78
jack_driver_param_value_t
Definition: driver_interface.h:64
Jack::JackPosixSemaphore
Inter process synchronization using POSIX semaphore.
Definition: JackPosixSemaphore.h:36
std
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92
_jack_position::valid
jack_position_bits_t valid
Definition: types.h:562
jack_info
SERVER_EXPORT void jack_info(const char *fmt,...)
Definition: JackError.cpp:100
jack_port_type_size
LIB_EXPORT int jack_port_type_size(void)
Definition: JackAPI.cpp:1492
_int_float
Definition: netjack_packet.h:73
_jack_position::frame
jack_nframes_t frame
Definition: types.h:560
jack_driver_desc_filler_t
Definition: driver_interface.h:142
_jacknet_packet_header
Definition: netjack_packet.h:48
Jack::JackDriverClientInterface
The base interface for drivers clients.
Definition: JackDriver.h:114
jack_driver_param_t
Definition: driver_interface.h:125
_JSList
Definition: linux/alsa/jslist.h:35
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108
jack_driver_desc_t
Definition: driver_interface.h:132
Jack::JackNetOneDriver
Definition: JackNetOneDriver.h:33
SRC_DATA
Definition: samplerate.h:42