static void refresh_audio_clip_segments(AudioGraph *ag) {
for (int clip_i = 0; clip_i < ag->audio_clip_list.length(); clip_i += 1) {
AudioGraphClip *clip = ag->audio_clip_list.at(clip_i);
clip->audio_clip->userdata = clip;
clip->events_write_ptr = clip->events.write_begin();
clip->events_write_ptr->clear();
}
auto it = ag->project->audio_clip_segments.entry_iterator();
for (;;) {
auto *entry = it.next();
if (!entry)
break;
AudioClipSegment *segment = entry->value;
AudioClip *audio_clip = segment->audio_clip;
AudioGraphClip *clip = (AudioGraphClip *)audio_clip->userdata;
assert(clip);
ok_or_panic(clip->events_write_ptr->add_one());
GenesisMidiEvent *event = &clip->events_write_ptr->last();
event->event_type = GenesisMidiEventTypeSegment;
event->start = segment->pos;
event->data.segment_data.start = segment->start;
event->data.segment_data.end = segment->end;
}
for (int i = 0; i < ag->audio_clip_list.length(); i += 1) {
AudioGraphClip *clip = ag->audio_clip_list.at(i);
clip->events.write_end();
clip->events_write_ptr = nullptr;
}
}
static AudioGraph *audio_graph_create_common(Project *project, GenesisContext *genesis_context,
double latency)
{
GenesisPipeline *pipeline;
ok_or_panic(genesis_pipeline_create(genesis_context, &pipeline));
genesis_pipeline_set_latency(pipeline, latency);
genesis_pipeline_set_sample_rate(pipeline, project->sample_rate);
genesis_pipeline_set_channel_layout(pipeline, &project->channel_layout);
AudioGraph *ag = ok_mem(create_zero<AudioGraph>());
ag->project = project;
ag->pipeline = pipeline;
ag->play_head_pos = 0.0;
ag->is_playing = false;
ag->play_head_changed_flag.clear();
ag->resample_descr = genesis_node_descriptor_find(ag->pipeline, "resample");
if (!ag->resample_descr)
panic("unable to find resampler");
genesis_pipeline_set_underrun_callback(pipeline, underrun_callback, ag);
project->events.attach_handler(EventProjectAudioClipsChanged,
on_project_audio_clips_changed, ag);
project->events.attach_handler(EventProjectAudioClipSegmentsChanged,
on_project_audio_clip_segments_changed, ag);
refresh_audio_clips(ag);
refresh_audio_clip_segments(ag);
return ag;
}
inline void append_double(double value) {
static_assert(sizeof(double) == 8, "require double to be IEEE754 64-bit floating point");
ok_or_panic(_buffer.resize(_buffer.length() + 8));
double *ptr = (double *)(_buffer.raw() + _buffer.length() - 9);
*ptr = value;
_buffer.at(_buffer.length() - 1) = 0;
}
static void refresh_audio_clips(AudioGraph *ag) {
Project *project = ag->project;
int ag_i = 0;
int project_i = 0;
for (;;) {
AudioGraphClip *ag_clip = nullptr;
AudioClip *project_clip = nullptr;
if (ag_i < ag->audio_clip_list.length())
ag_clip = ag->audio_clip_list.at(ag_i);
if (project_i < project->audio_clip_list.length())
project_clip = project->audio_clip_list.at(project_i);
if (ag_clip && project_clip && ag_clip->audio_clip == project_clip) {
ag_i += 1;
project_i += 1;
} else if (project_clip && !ag_clip) {
ag_clip = ok_mem(create_zero<AudioGraphClip>());
ag_clip->audio_clip = project_clip;
ag_clip->audio_graph = ag;
add_nodes_to_audio_clip(ag, ag_clip);
ok_or_panic(ag->audio_clip_list.append(ag_clip));
ag_i += 1;
project_i += 1;
} else if (!project_clip && ag_clip) {
panic("TODO destroy audio graph clip");
ag->audio_clip_list.swap_remove(ag_i);
} else if (!project_clip && !ag_clip) {
break;
} else {
panic("TODO replace nodes");
}
}
}
void SelectWidget::append_choice(const String &choice) {
ok_or_panic(items.add_one());
SelectWidgetItem *item = &items.last();
item->parent = this;
item->name = choice;
item->menu_item = context_menu->add_menu(choice, -1, no_shortcut());
set_activate_handlers();
clear_context_menu();
}
void audio_graph_play_audio_asset(AudioGraph *ag, AudioAsset *audio_asset) {
int err;
if ((err = project_ensure_audio_asset_loaded(ag->project, audio_asset))) {
if (err == GenesisErrorDecodingAudio) {
fprintf(stderr, "Error decoding audio\n");
return;
} else {
ok_or_panic(err);
}
}
play_audio_file(ag, audio_asset->audio_file, true);
}
void TabWidget::insert_tab(Widget *widget, const String &title, int dest_index) {
assert(!widget->parent_widget); // widget already has parent
widget->parent_widget = this;
TabWidgetTab *tab = create<TabWidgetTab>();
tab->widget = widget;
tab->label = create<Label>(gui);
tab->label->set_text(title);
tab->label->update();
ok_or_panic(tabs.insert_space(dest_index, 1));
tabs.at(dest_index) = tab;
clamp_current_index();
}
void TabWidget::move_tab(int source_index, int dest_index) {
assert(dest_index >= 0);
assert(dest_index <= tabs.length());
TabWidgetTab *target_tab = tabs.at(source_index);
tabs.remove_range(source_index, source_index + 1);
if (source_index < dest_index)
dest_index -= 1;
ok_or_panic(tabs.insert_space(dest_index, 1));
tabs.at(dest_index) = target_tab;
current_index = dest_index;
clamp_current_index();
}
void settings_file_clear_dock(SettingsFileDock *dock) {
ok_or_panic(dock->tabs.resize(0));
switch (dock->dock_type) {
case SettingsFileDockTypeTabs:
break;
case SettingsFileDockTypeHoriz:
case SettingsFileDockTypeVert:
if (dock->child_a) {
settings_file_clear_dock(dock->child_a);
destroy(dock->child_a, 1);
dock->child_a = nullptr;
}
if (dock->child_b) {
settings_file_clear_dock(dock->child_b);
destroy(dock->child_b, 1);
dock->child_b = nullptr;
}
break;
}
dock->dock_type = SettingsFileDockTypeTabs;
}
static void add_audio_node_to_audio_clip(AudioGraph *ag, AudioGraphClip *clip) {
assert(!clip->node_descr);
assert(!clip->node);
ok_or_panic(project_ensure_audio_asset_loaded(ag->project, clip->audio_clip->audio_asset));
GenesisAudioFile *audio_file = clip->audio_clip->audio_asset->audio_file;
const struct SoundIoChannelLayout *channel_layout =
genesis_audio_file_channel_layout(audio_file);
int sample_rate = genesis_audio_file_sample_rate(audio_file);
const char *name = "audio_clip";
char *description = create_formatted_str("Audio Clip: %s",
clip->audio_clip->name.encode().raw());
GenesisNodeDescriptor *node_descr = ok_mem(genesis_create_node_descriptor(ag->pipeline, 2, name, description));
free(description); description = nullptr;
genesis_node_descriptor_set_userdata(node_descr, clip);
struct GenesisPortDescriptor *audio_out_port = genesis_node_descriptor_create_port(
node_descr, 0, GenesisPortTypeAudioOut, "audio_out");
struct GenesisPortDescriptor *events_in_port = genesis_node_descriptor_create_port(
node_descr, 1, GenesisPortTypeEventsIn, "events_in");
if (!audio_out_port || !events_in_port)
panic("unable to create ports");
genesis_audio_port_descriptor_set_channel_layout(audio_out_port, channel_layout, true, -1);
genesis_audio_port_descriptor_set_sample_rate(audio_out_port, sample_rate, true, -1);
genesis_node_descriptor_set_run_callback(node_descr, audio_clip_node_run);
genesis_node_descriptor_set_seek_callback(node_descr, audio_clip_node_seek);
genesis_node_descriptor_set_create_callback(node_descr, audio_clip_node_create);
genesis_node_descriptor_set_destroy_callback(node_descr, audio_clip_node_destroy);
clip->node_descr = node_descr;
clip->node = ok_mem(genesis_node_descriptor_create_node(node_descr));
}
static int on_string(struct LaxJsonContext *json,
enum LaxJsonType type, const char *value_raw, int length)
{
SettingsFile *sf = (SettingsFile *) json->userdata;
ByteBuffer value = ByteBuffer(value_raw, length);
switch (sf->state) {
case SettingsFileStateReadyForProp:
{
if (ByteBuffer::compare(value, "open_project_id") == 0) {
sf->state = SettingsFileStateOpenProjectFile;
} else if (ByteBuffer::compare(value, "user_name") == 0) {
sf->state = SettingsFileStateUserName;
} else if (ByteBuffer::compare(value, "user_id") == 0) {
sf->state = SettingsFileStateUserId;
} else if (ByteBuffer::compare(value, "perspectives") == 0) {
sf->state = SettingsFileStatePerspectives;
} else if (ByteBuffer::compare(value, "open_windows") == 0) {
sf->state = SettingsFileStateOpenWindows;
} else if (ByteBuffer::compare(value, "sample_dirs") == 0) {
sf->state = SettingsFileStateExpectSampleDirs;
} else if (ByteBuffer::compare(value, "latency") == 0) {
sf->state = SettingsFileStateLatency;
} else {
return parse_error(sf, "invalid setting name");
}
break;
}
case SettingsFileStateOpenProjectFile:
sf->open_project_id = uint256::parse(value);
sf->state = SettingsFileStateReadyForProp;
break;
case SettingsFileStateUserId:
sf->user_id = uint256::parse(value);
sf->state = SettingsFileStateReadyForProp;
break;
case SettingsFileStateUserName:
{
bool ok;
sf->user_name = String(value, &ok);
if (!ok)
return parse_error(sf, "invalid UTF-8");
sf->state = SettingsFileStateReadyForProp;
break;
}
case SettingsFileStatePerspectivesItemProp:
if (ByteBuffer::compare(value, "name") == 0) {
sf->state = SettingsFileStatePerspectivesItemPropName;
} else if (ByteBuffer::compare(value, "dock") == 0) {
sf->state = SettingsFileStatePerspectivesItemPropDock;
sf->current_dock = &sf->current_perspective->dock;
} else {
return parse_error(sf, "invalid perspective property");
}
break;
case SettingsFileStatePerspectivesItemPropName:
{
bool ok;
sf->current_perspective->name = String(value, &ok);
if (!ok)
return parse_error(sf, "invalid UTF-8");
sf->state = SettingsFileStatePerspectivesItemProp;
break;
}
case SettingsFileStateDockItemProp:
if (ByteBuffer::compare(value, "dock_type") == 0) {
sf->state = SettingsFileStateDockItemPropType;
} else if (ByteBuffer::compare(value, "split_ratio") == 0) {
sf->state = SettingsFileStateDockItemPropSplitRatio;
} else if (ByteBuffer::compare(value, "child_a") == 0) {
sf->state = SettingsFileStateDockItemPropChildA;
} else if (ByteBuffer::compare(value, "child_b") == 0) {
sf->state = SettingsFileStateDockItemPropChildB;
} else if (ByteBuffer::compare(value, "tabs") == 0) {
sf->state = SettingsFileStateDockItemPropTabs;
} else {
return parse_error(sf, "invalid dock item property name");
}
break;
case SettingsFileStateDockItemPropType:
if (ByteBuffer::compare(value, "Horiz") == 0) {
sf->current_dock->dock_type = SettingsFileDockTypeHoriz;
} else if (ByteBuffer::compare(value, "Vert") == 0) {
sf->current_dock->dock_type = SettingsFileDockTypeVert;
} else if (ByteBuffer::compare(value, "Tabs") == 0) {
sf->current_dock->dock_type = SettingsFileDockTypeTabs;
} else {
return parse_error(sf, "invalid dock_type value");
}
sf->state = SettingsFileStateDockItemProp;
break;
case SettingsFileStateSampleDirsItem:
ok_or_panic(sf->sample_dirs.append(value));
break;
case SettingsFileStateTabName:
{
bool ok;
String title = String(value, &ok);
if (!ok)
return parse_error(sf, "invalid UTF-8");
ok_or_panic(sf->current_dock->tabs.append(title));
break;
}
case SettingsFileStateOpenWindowItemProp:
if (ByteBuffer::compare(value, "perspective") == 0) {
sf->state = SettingsFileStateOpenWindowPerspectiveIndex;
} else if (ByteBuffer::compare(value, "left") == 0) {
sf->state = SettingsFileStateOpenWindowLeft;
} else if (ByteBuffer::compare(value, "top") == 0) {
sf->state = SettingsFileStateOpenWindowTop;
} else if (ByteBuffer::compare(value, "width") == 0) {
sf->state = SettingsFileStateOpenWindowWidth;
} else if (ByteBuffer::compare(value, "height") == 0) {
sf->state = SettingsFileStateOpenWindowHeight;
} else if (ByteBuffer::compare(value, "maximized") == 0) {
sf->state = SettingsFileStateOpenWindowMaximized;
} else if (ByteBuffer::compare(value, "always_show_tabs") == 0) {
sf->state = SettingsFileStateOpenWindowAlwaysShowTabs;
} else {
return parse_error(sf, "invalid open window property name");
}
break;
default:
return parse_error(sf, (type == LaxJsonTypeProperty) ? "unexpected property" : "unexpected string");
}
return 0;
}
int ordered_map_file_open(const char *path, OrderedMapFile **out_omf) {
*out_omf = nullptr;
OrderedMapFile *omf = create_zero<OrderedMapFile>();
if (!omf) {
ordered_map_file_close(omf);
return GenesisErrorNoMem;
}
if (omf->queue.error() || omf->cond.error() || omf->mutex.error()) {
ordered_map_file_close(omf);
return omf->queue.error() || omf->cond.error() || omf->mutex.error();
}
omf->list = create_zero<List<OrderedMapFileEntry *>>();
if (!omf->list) {
ordered_map_file_close(omf);
return GenesisErrorNoMem;
}
omf->map = create_zero<HashMap<ByteBuffer, OrderedMapFileEntry *, ByteBuffer::hash>>();
if (!omf->map) {
ordered_map_file_close(omf);
return GenesisErrorNoMem;
}
omf->running = true;
int err = omf->write_thread.start(run_write, omf);
if (err) {
ordered_map_file_close(omf);
return err;
}
bool open_for_writing = false;
omf->file = fopen(path, "rb+");
if (omf->file) {
int err = read_header(omf);
if (err == GenesisErrorEmptyFile) {
open_for_writing = true;
} else if (err) {
ordered_map_file_close(omf);
return err;
}
} else {
open_for_writing = true;
}
if (open_for_writing) {
omf->file = fopen(path, "wb+");
if (!omf->file) {
ordered_map_file_close(omf);
return GenesisErrorFileAccess;
}
int err = write_header(omf);
if (err) {
ordered_map_file_close(omf);
return err;
}
}
// read everything into list
omf->write_buffer.resize(TRANSACTION_METADATA_SIZE);
omf->transaction_offset = UUID_SIZE;
for (;;) {
size_t amt_read = fread(omf->write_buffer.raw(), 1, TRANSACTION_METADATA_SIZE, omf->file);
if (amt_read != TRANSACTION_METADATA_SIZE) {
// partial transaction. ignore it and we're done.
break;
}
uint8_t *transaction_ptr = (uint8_t*)omf->write_buffer.raw();
int transaction_size = read_uint32be(&transaction_ptr[4]);
omf->write_buffer.resize(transaction_size);
transaction_ptr = (uint8_t*)omf->write_buffer.raw();
size_t amt_to_read = transaction_size - TRANSACTION_METADATA_SIZE;
amt_read = fread(&transaction_ptr[TRANSACTION_METADATA_SIZE], 1, amt_to_read, omf->file);
if (amt_read != amt_to_read) {
// partial transaction. ignore it and we're done.
break;
}
uint32_t computed_crc = crc32(0, &transaction_ptr[4], transaction_size - 4);
uint32_t crc_from_file = read_uint32be(&transaction_ptr[0]);
if (computed_crc != crc_from_file) {
// crc check failed. ignore this transaction and we're done.
break;
}
int put_count = read_uint32be(&transaction_ptr[8]);
int del_count = read_uint32be(&transaction_ptr[12]);
int offset = TRANSACTION_METADATA_SIZE;
for (int i = 0; i < put_count; i += 1) {
int key_size = read_uint32be(&transaction_ptr[offset]); offset += 4;
int val_size = read_uint32be(&transaction_ptr[offset]); offset += 4;
OrderedMapFileEntry *entry = create_zero<OrderedMapFileEntry>();
if (!entry) {
ordered_map_file_close(omf);
return GenesisErrorNoMem;
}
entry->key = ByteBuffer((char*)&transaction_ptr[offset], key_size); offset += key_size;
entry->offset = omf->transaction_offset + offset;
entry->size = val_size;
offset += val_size;
auto old_hash_entry = omf->map->maybe_get(entry->key);
if (old_hash_entry) {
OrderedMapFileEntry *old_entry = old_hash_entry->value;
destroy(old_entry, 1);
}
omf->map->put(entry->key, entry);
}
for (int i = 0; i < del_count; i += 1) {
int key_size = read_uint32be(&transaction_ptr[offset]); offset += 4;
ByteBuffer key((char*)&transaction_ptr[offset], key_size); offset += key_size;
auto hash_entry = omf->map->maybe_get(key);
if (hash_entry) {
OrderedMapFileEntry *entry = hash_entry->value;
omf->map->remove(key);
destroy(entry, 1);
}
}
omf->transaction_offset += transaction_size;
}
// transfer map to list and sort
auto it = omf->map->entry_iterator();
if (omf->list->ensure_capacity(omf->map->size())) {
ordered_map_file_close(omf);
return GenesisErrorNoMem;
}
for (;;) {
auto *map_entry = it.next();
if (!map_entry)
break;
ok_or_panic(omf->list->append(map_entry->value));
}
omf->map->clear();
destroy_map(omf);
omf->list->sort<compare_entries>();
*out_omf = omf;
return 0;
}
void os_open_in_browser(const String &url) {
List<ByteBuffer> args;
ok_or_panic(args.append(url.encode()));
os_spawn_process("xdg-open", args, true);
}
GuiWindow *Gui::create_generic_window(bool with_borders, int left, int top, int width, int height) {
GuiWindow *window = create<GuiWindow>(this, with_borders, left, top, width, height);
window->_gui_index = _window_list.length();
ok_or_panic(_window_list.append(window));
return window;
}
inline void append_uint64be(uint64_t value) {
ok_or_panic(_buffer.resize(_buffer.length() + 8));
char *ptr = _buffer.raw() + _buffer.length() - 9;
write_uint64be(ptr, value);
_buffer.at(_buffer.length() - 1) = 0;
}
void clear() {
_buffer.clear();
ok_or_panic(_buffer.append(0));
}
static int on_begin(struct LaxJsonContext *json, enum LaxJsonType type) {
SettingsFile *sf = (SettingsFile *) json->userdata;
switch (sf->state) {
default:
return parse_error(sf, (type == LaxJsonTypeObject) ? "unexpected object" : "unexpected array");
case SettingsFileStateStart:
if (type != LaxJsonTypeObject)
return parse_error(sf, "expected object");
sf->state = SettingsFileStateReadyForProp;
break;
case SettingsFileStateExpectSampleDirs:
if (type != LaxJsonTypeArray)
return parse_error(sf, "expected array");
sf->state = SettingsFileStateSampleDirsItem;
break;
case SettingsFileStatePerspectives:
if (type != LaxJsonTypeArray)
return parse_error(sf, "expected array");
sf->state = SettingsFileStatePerspectivesItem;
break;
case SettingsFileStatePerspectivesItem:
if (type != LaxJsonTypeObject)
return parse_error(sf, "expected object");
ok_or_panic(sf->perspectives.add_one());
sf->current_perspective = &sf->perspectives.last();
sf->state = SettingsFileStatePerspectivesItemProp;
break;
case SettingsFileStatePerspectivesItemPropDock:
if (type != LaxJsonTypeObject)
return parse_error(sf, "expected object");
sf->state = SettingsFileStateDockItemProp;
break;
case SettingsFileStateDockItemPropTabs:
if (type != LaxJsonTypeArray)
return parse_error(sf, "expected array");
sf->state = SettingsFileStateTabName;
break;
case SettingsFileStateDockItemPropChildA:
ok_or_panic(sf->dock_stack.append(sf->current_dock));
sf->current_dock->child_a = ok_mem(create_zero<SettingsFileDock>());
sf->current_dock = sf->current_dock->child_a;
sf->state = SettingsFileStateDockItemProp;
break;
case SettingsFileStateDockItemPropChildB:
ok_or_panic(sf->dock_stack.append(sf->current_dock));
sf->current_dock->child_b = ok_mem(create_zero<SettingsFileDock>());
sf->current_dock = sf->current_dock->child_b;
sf->state = SettingsFileStateDockItemProp;
break;
case SettingsFileStateOpenWindows:
if (type != LaxJsonTypeArray)
return parse_error(sf, "expected array");
sf->state = SettingsFileStateOpenWindowItem;
break;
case SettingsFileStateOpenWindowItem:
if (type != LaxJsonTypeObject)
return parse_error(sf, "expected object");
ok_or_panic(sf->open_windows.add_one());
sf->current_open_window = &sf->open_windows.last();
sf->state = SettingsFileStateOpenWindowItemProp;
break;
}
return 0;
}
void audio_graph_start_pipeline(AudioGraph *ag) {
int err;
ag->start_play_head_pos = ag->play_head_pos;
if (genesis_pipeline_is_running(ag->pipeline))
return;
int target_sample_rate = genesis_pipeline_get_sample_rate(ag->pipeline);
SoundIoChannelLayout *target_channel_layout = genesis_pipeline_get_channel_layout(ag->pipeline);
int audio_file_node_count = ag->audio_file_port_descr ? 1 : 0;
if (audio_file_node_count >= 1) {
if (ag->audio_file_node) {
genesis_node_destroy(ag->audio_file_node);
ag->audio_file_node = nullptr;
}
if (ag->preview_audio_file) {
// Set channel layout
const struct SoundIoChannelLayout *channel_layout =
genesis_audio_file_channel_layout(ag->preview_audio_file);
genesis_audio_port_descriptor_set_channel_layout(
ag->audio_file_port_descr, channel_layout, true, -1);
// Set sample rate
int sample_rate = genesis_audio_file_sample_rate(ag->preview_audio_file);
genesis_audio_port_descriptor_set_sample_rate(ag->audio_file_port_descr, sample_rate, true, -1);
} else {
genesis_audio_port_descriptor_set_channel_layout(
ag->audio_file_port_descr, target_channel_layout, true, -1);
genesis_audio_port_descriptor_set_sample_rate(
ag->audio_file_port_descr, target_sample_rate, true, -1);
}
ag->audio_file_node = ok_mem(genesis_node_descriptor_create_node(ag->audio_file_descr));
}
int resample_audio_out_index = genesis_node_descriptor_find_port_index(ag->resample_descr, "audio_out");
assert(resample_audio_out_index >= 0);
// one for each of the audio clips and one for the sample file preview node
int mix_port_count = audio_file_node_count + ag->audio_clip_list.length();
ok_or_panic(create_mixer_descriptor(ag->pipeline, mix_port_count, &ag->mixer_descr));
ag->mixer_node = ok_mem(genesis_node_descriptor_create_node(ag->mixer_descr));
ok_or_panic(genesis_connect_audio_nodes(ag->mixer_node, ag->master_node));
// We start on mixer port index 1 because index 0 is the audio out. Index 1 is
// the first audio in.
int next_mixer_port = 1;
if (audio_file_node_count >= 1) {
int audio_out_port_index = genesis_node_descriptor_find_port_index(ag->audio_file_descr, "audio_out");
if (audio_out_port_index < 0)
panic("port not found");
GenesisPort *audio_out_port = genesis_node_port(ag->audio_file_node, audio_out_port_index);
GenesisPort *audio_in_port = genesis_node_port(ag->mixer_node, next_mixer_port++);
if ((err = genesis_connect_ports(audio_out_port, audio_in_port))) {
if (err == GenesisErrorIncompatibleChannelLayouts ||
err == GenesisErrorIncompatibleSampleRates)
{
ag->resample_node = ok_mem(genesis_node_descriptor_create_node(ag->resample_descr));
ok_or_panic(genesis_connect_audio_nodes(ag->audio_file_node, ag->resample_node));
GenesisPort *audio_out_port = genesis_node_port(ag->resample_node, resample_audio_out_index);
ok_or_panic(genesis_connect_ports(audio_out_port, audio_in_port));
} else {
ok_or_panic(err);
}
}
}
for (int i = 0; i < ag->audio_clip_list.length(); i += 1) {
AudioGraphClip *clip = ag->audio_clip_list.at(i);
int audio_out_port_index = genesis_node_descriptor_find_port_index(clip->node_descr, "audio_out");
if (audio_out_port_index < 0)
panic("port not found");
GenesisPort *audio_out_port = genesis_node_port(clip->node, audio_out_port_index);
GenesisPort *audio_in_port = genesis_node_port(ag->mixer_node, next_mixer_port++);
if ((err = genesis_connect_ports(audio_out_port, audio_in_port))) {
if (err == GenesisErrorIncompatibleChannelLayouts ||
err == GenesisErrorIncompatibleSampleRates)
{
clip->resample_node = ok_mem(genesis_node_descriptor_create_node(ag->resample_descr));
ok_or_panic(genesis_connect_audio_nodes(clip->node, clip->resample_node));
GenesisPort *audio_out_port = genesis_node_port(clip->resample_node,
resample_audio_out_index);
ok_or_panic(genesis_connect_ports(audio_out_port, audio_in_port));
} else {
ok_or_panic(err);
}
}
GenesisPort *events_in_port = genesis_node_port(clip->node, 1);
GenesisPort *events_out_port = genesis_node_port(clip->event_node, 0);
ok_or_panic(genesis_connect_ports(events_out_port, events_in_port));
}
fprintf(stderr, "\nStarting pipeline...\n");
genesis_debug_print_pipeline(ag->pipeline);
double start_time = ag->play_head_pos;
assert(next_mixer_port == mix_port_count + 1);
if ((err = genesis_pipeline_start(ag->pipeline, start_time)))
panic("unable to start pipeline: %s", genesis_strerror(err));
}