static void fill_output_port(decoder_t *dec)
{
decoder_sys_t *sys = dec->p_sys;
unsigned max_buffers_in_transit = 0;
int buffers_available = 0;
int buffers_to_send = 0;
int i;
if (sys->output_pool) {
max_buffers_in_transit = __MAX(sys->output_pool->headers_num,
MIN_NUM_BUFFERS_IN_TRANSIT);
buffers_available = mmal_queue_length(sys->output_pool->queue);
} else {
max_buffers_in_transit = __MAX(sys->output->buffer_num, MIN_NUM_BUFFERS_IN_TRANSIT);
buffers_available = NUM_DECODER_BUFFER_HEADERS - atomic_load(&sys->output_in_transit) -
mmal_queue_length(sys->decoded_pictures);
}
buffers_to_send = max_buffers_in_transit - atomic_load(&sys->output_in_transit);
if (buffers_to_send > buffers_available)
buffers_to_send = buffers_available;
#ifndef NDEBUG
msg_Dbg(dec, "Send %d buffers to output port (available: %d, "
"in_transit: %d, decoded: %d, buffer_num: %d)",
buffers_to_send, buffers_available,
atomic_load(&sys->output_in_transit),
mmal_queue_length(sys->decoded_pictures),
sys->output->buffer_num);
#endif
for (i = 0; i < buffers_to_send; ++i)
if (send_output_buffer(dec) < 0)
break;
}
static void fill_output_port(filter_t *filter)
{
filter_sys_t *sys = filter->p_sys;
/* allow at least 2 buffers in transit */
unsigned max_buffers_in_transit = __MAX(2, MIN_NUM_BUFFERS_IN_TRANSIT);
int buffers_available = sys->output->buffer_num -
atomic_load(&sys->output_in_transit) -
mmal_queue_length(sys->filtered_pictures);
int buffers_to_send = max_buffers_in_transit - sys->output_in_transit;
int i;
if (buffers_to_send > buffers_available)
buffers_to_send = buffers_available;
#ifndef NDEBUG
msg_Dbg(filter, "Send %d buffers to output port (available: %d, in_transit: %d, buffer_num: %d)",
buffers_to_send, buffers_available, sys->output_in_transit,
sys->output->buffer_num);
#endif
for (i = 0; i < buffers_to_send; ++i) {
if (send_output_buffer(filter) < 0)
break;
}
}
