*/
#include <cassert>
+
+#include "pbd/stacktrace.h"
+
+#include "ardour/audio_buffer.h"
#include "ardour/audio_port.h"
-#include "ardour/audioengine.h"
#include "ardour/data_type.h"
-#include "ardour/audio_buffer.h"
using namespace ARDOUR;
using namespace std;
}
void
-AudioPort::cycle_start (nframes_t nframes)
+AudioPort::cycle_start (pframes_t nframes)
{
/* caller must hold process lock */
- /* get_buffer() must only be run on outputs here in cycle_start().
-
- Inputs must be done in the correct processing order, which
- requires interleaving with route processing. that will
- happen when Port::get_buffer() is called.
- */
+ Port::cycle_start (nframes);
if (sends_output()) {
-
- /* Notice that cycle_start() is always run with the *entire* process cycle frame count,
- so we do not bother to apply _port_offset here - we always want the address of the
- entire JACK port buffer. We are not collecting data here - just noting the
- address where we will write data later in the process cycle.
- */
-
- _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, nframes), nframes);
_buffer->prepare ();
}
}
void
-AudioPort::cycle_end (nframes_t nframes)
+AudioPort::cycle_end (pframes_t)
{
- if (sends_output() && !_buffer->written()) {
- _buffer->silence (nframes);
+ if (sends_output() && !_buffer->written()) {
+ /* we can't use nframes here because the current buffer capacity may
+ be shorter than the full buffer size if we split the cycle.
+ */
+ if (_buffer->capacity () > 0) {
+ _buffer->silence (_buffer->capacity());
+ }
}
}
}
AudioBuffer&
-AudioPort::get_audio_buffer (nframes_t nframes, nframes_t offset)
+AudioPort::get_audio_buffer (pframes_t nframes)
{
/* caller must hold process lock */
-
- if (receives_input ()) {
-
- /* Get a pointer to the audio data @ offset + _port_offset within the JACK port buffer and store
- it in our _buffer member.
-
- Note that offset is expected to be zero in almost all cases.
- */
-
- _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, nframes) + offset + _port_offset, nframes);
- }
-
- /* output ports set their _buffer data information during ::cycle_start()
- */
-
+ _buffer->set_data ((Sample *) jack_port_get_buffer (_jack_port, _cycle_nframes) +
+ _global_port_buffer_offset + _port_buffer_offset, nframes);
return *_buffer;
}
-size_t
-AudioPort::raw_buffer_size(nframes_t nframes) const
-{
- return nframes * sizeof(float);
-}
+