ma_node_output_bus_set_has_read(&pNodeBase->pOutputBuses[iOutputBus], MA_FALSE); /* <-- This is what tells the next calls to this function for other output buses for this time period to read from cache instead of pulling in more data. */
ma_node_output_bus_set_has_read(&pNodeBase->pOutputBuses[iOutputBus], MA_FALSE); /* <-- This is what tells the next calls to this function for other output buses for this time period to read from cache instead of pulling in more data. */
/* Once we've determined our destination pointer we can read. Note that we must inspect the number of frames read and fill any leftovers with silence for safety. */
result = ma_node_input_bus_read_pcm_frames(pNodeBase, &pNodeBase->pInputBuses[iInputBus], ppFramesIn[iInputBus], framesToProcessIn, &framesRead, globalTime);
if (result != MA_SUCCESS) {
/* It doesn't really matter if we fail because we'll just fill with silence. */
framesRead = 0; /* Just for safety, but I don't think it's really needed. */
}
/* Once we've determined our destination pointer we can read. Note that we must inspect the number of frames read and fill any leftovers with silence for safety. */
result = ma_node_input_bus_read_pcm_frames(pNodeBase, &pNodeBase->pInputBuses[iInputBus], ppFramesIn[iInputBus], framesToProcessIn, &framesRead, globalTime);
if (result != MA_SUCCESS) {
/* It doesn't really matter if we fail because we'll just fill with silence. */
framesRead = 0; /* Just for safety, but I don't think it's really needed. */
}
/* TODO: Minor optimization opportunity here. If no frames were read and the buffer is already filled with silence, no need to re-silence it. */
/* Any leftover frames need to silenced for safety. */
/* Give the processing function the entire capacity of the output buffer. */
frameCountOut = framesToProcessOut;
/*
We need to treat nodes with continuous processing a little differently. For these ones,
we always want to fire the callback with the requested number of frames, regardless of
pNodeBase->cachedFrameCountIn, which could be 0. Also, we want to check if we can pass
in NULL for the input buffer to the callback.
*/
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_CONTINUOUS_PROCESSING) != 0) {
/* We're using continuous processing. Make sure we specify the whole frame count at all times. */
frameCountIn = framesToProcessIn; /* Give the processing function as much input data as we've got in the buffer, including any silenced padding from short reads. */
/*
We need to treat nodes with continuous processing a little differently. For these ones,
we always want to fire the callback with the requested number of frames, regardless of
pNodeBase->cachedFrameCountIn, which could be 0. Also, we want to check if we can pass
in NULL for the input buffer to the callback.
*/
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_CONTINUOUS_PROCESSING) != 0) {
/* We're using continuous processing. Make sure we specify the whole frame count at all times. */
frameCountIn = framesToProcessIn; /* Give the processing function as much input data as we've got in the buffer, including any silenced padding from short reads. */
ma_node_process_pcm_frames_internal(pNode, (const float**)ppFramesIn, &frameCountIn, ppFramesOut, &frameCountOut); /* From GCC: expected 'const float **' but argument is of type 'float **'. Shouldn't this be implicit? Excplicit cast to silence the warning. */
}
}
} else {
frameCountIn = pNodeBase->cachedFrameCountIn; /* Give the processing function as much valid input data as we've got. */
consumeNullInput = MA_FALSE;
}
/*
Process data slightly differently depending on whether or not we're consuming NULL
ma_node_process_pcm_frames_internal(pNode, (const float**)ppFramesIn, &frameCountIn, ppFramesOut, &frameCountOut); /* From GCC: expected 'const float **' but argument is of type 'float **'. Shouldn't this be implicit? Excplicit cast to silence the warning. */
