Lines Matching refs:self
65 JackData *self = arg;
72 if (!self->client)
76 cycle_delay = jack_frames_since_cycle_start(self->client);
79 cycle_time = ff_timefilter_update(self->timefilter,
80 av_gettime() / 1000000.0 - (double) cycle_delay / self->sample_rate,
81 self->buffer_size);
84 if (!av_fifo_can_read(self->new_pkts) ||
85 !av_fifo_can_write(self->filled_pkts)) {
86 self->pkt_xrun = 1;
91 av_fifo_read(self->new_pkts, &pkt, 1);
97 for (i = 0; i < self->nports; i++) {
99 jack_port_get_latency_range(self->ports[i], JackCaptureLatency, &range);
101 buffer = jack_port_get_buffer(self->ports[i], self->buffer_size);
102 for (j = 0; j < self->buffer_size; j++)
103 pkt_data[j * self->nports + i] = buffer[j];
107 pkt.pts = (cycle_time - (double) latency / (self->nports * self->sample_rate)) * 1000000.0;
110 av_fifo_write(self->filled_pkts, &pkt, 1);
111 sem_post(&self->packet_count);
118 JackData *self = arg;
119 self->client = NULL;
124 JackData *self = arg;
125 self->jack_xrun = 1;
126 ff_timefilter_reset(self->timefilter);
130 static int supply_new_packets(JackData *self, AVFormatContext *context)
133 int test, pkt_size = self->buffer_size * self->nports * sizeof(float);
138 while (av_fifo_can_write(self->new_pkts)) {
143 av_fifo_write(self->new_pkts, &pkt, 1);
150 JackData *self = context->priv_data;
155 self->client = jack_client_open(context->url, JackNullOption, &status);
156 if (!self->client) {
161 sem_init(&self->packet_count, 0, 0);
163 self->sample_rate = jack_get_sample_rate(self->client);
164 self->ports = av_malloc_array(self->nports, sizeof(*self->ports));
165 if (!self->ports)
167 self->buffer_size = jack_get_buffer_size(self->client);
170 for (i = 0; i < self->nports; i++) {
173 self->ports[i] = jack_port_register(self->client, str,
176 if (!self->ports[i]) {
179 jack_client_close(self->client);
185 jack_set_process_callback(self->client, process_callback, self);
186 jack_on_shutdown(self->client, shutdown_callback, self);
187 jack_set_xrun_callback(self->client, xrun_callback, self);
190 self->timefilter = ff_timefilter_new (1.0 / self->sample_rate, self->buffer_size, 1.5);
191 if (!self->timefilter) {
192 jack_client_close(self->client);
197 self->filled_pkts = av_fifo_alloc2(FIFO_PACKETS_NUM, sizeof(AVPacket), 0);
199 self->new_pkts = av_fifo_alloc2((FIFO_PACKETS_NUM + 1), sizeof(AVPacket), 0);
200 if (!self->new_pkts) {
201 jack_client_close(self->client);
204 if ((test = supply_new_packets(self, context))) {
205 jack_client_close(self->client);
222 static void stop_jack(JackData *self)
224 if (self->client) {
225 if (self->activated)
226 jack_deactivate(self->client);
227 jack_client_close(self->client);
229 sem_destroy(&self->packet_count);
230 free_pkt_fifo(&self->new_pkts);
231 free_pkt_fifo(&self->filled_pkts);
232 av_freep(&self->ports);
233 ff_timefilter_destroy(self->timefilter);
238 JackData *self = context->priv_data;
247 stop_jack(self);
257 stream->codecpar->sample_rate = self->sample_rate;
258 stream->codecpar->ch_layout.nb_channels = self->nports;
266 JackData *self = context->priv_data;
274 if (!self->activated) {
275 if (!jack_activate(self->client)) {
276 self->activated = 1;
279 self->sample_rate, self->buffer_size);
288 if (sem_timedwait(&self->packet_count, &timeout)) {
299 if (!self->client)
305 if (self->pkt_xrun) {
307 self->pkt_xrun = 0;
310 if (self->jack_xrun) {
312 self->jack_xrun = 0;
316 av_fifo_read(self->filled_pkts, pkt, 1);
318 if ((test = supply_new_packets(self, context)))
326 JackData *self = context->priv_data;
327 stop_jack(self);