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impl-port: swap io areas instead of doing cycle math

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Instead of doing (cycle+1) & 1 for output ports, simply swap the io
areas depending on the port direction (0 = input, 1 = output) and
just to cycle&1 for all ports.
This commit is contained in:
Wim Taymans 2024-05-08 10:43:41 +02:00
parent 03d62dc756
commit fac0d47c23
4 changed files with 14 additions and 15 deletions
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6
src/pipewire/impl-port.c
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@ -261,8 +261,8 @@ static int port_set_io(void *object,
if (size >= sizeof(struct spa_io_async_buffers)) {
struct spa_io_async_buffers *ab = data;
mix->io_data = data;
mix->io[0] = &ab->buffers[0];
mix->io[1] = &ab->buffers[1];
mix->io[0] = &ab->buffers[this->direction];
mix->io[1] = &ab->buffers[this->direction^1];
} else {
mix->io_data = mix->io[0] = mix->io[1] = data;
}
@ -279,7 +279,7 @@ static int tee_process(void *object)
struct pw_impl_port *this = &impl->this;
struct pw_impl_port_mix *mix;
struct spa_io_buffers *io = &this->rt.io;
uint32_t cycle = (this->node->rt.position->clock.cycle + 1) & 1;
uint32_t cycle = this->node->rt.position->clock.cycle & 1;
pw_log_trace_fp("%p: tee input status:%d id:%d cycle:%d", this, io->status, io->buffer_id, cycle);
spa_list_for_each(mix, &impl->rt.mix_list, rt.link) {