mirror/miniaudio
1
0
Fork 0
mirror of https://github.com/mackron/miniaudio.git synced 2026-04-21 15:56:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

Experimental support for passthrough nodes with zero inputs.

Browse Source
This commit is contained in:
David Reid
2023-01-23 12:56:32 +10:00
parent 6de98570f6
commit 2d998e37a4
1 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
miniaudio.h
+11 -2
View File
@@ -70462,8 +70462,8 @@ static ma_result ma_node_translate_bus_counts(const ma_node_config* pConfig, ma_
/* Some special rules for passthrough nodes. */
if ((pConfig->vtable->flags & MA_NODE_FLAG_PASSTHROUGH) != 0) {
if (pConfig->vtable->inputBusCount != 1 || pConfig->vtable->outputBusCount != 1) {
return MA_INVALID_ARGS; /* Passthrough nodes must have exactly 1 input bus and 1 output bus. */
if ((pConfig->vtable->inputBusCount != 0 && pConfig->vtable->inputBusCount != 1) || pConfig->vtable->outputBusCount != 1) {
return MA_INVALID_ARGS; /* Passthrough nodes must have exactly 1 output bus and either 0 or 1 input bus. */
}
if (pConfig->pInputChannels[0] != pConfig->pOutputChannels[0]) {
@@ -71152,6 +71152,15 @@ static ma_result ma_node_read_pcm_frames(ma_node* pNode, ma_uint32 outputBusInde
frameCountOut = frameCount; /* Just read as much as we can. The callback will return what was actually read. */
ppFramesOut[0] = pFramesOut;
/*
If it's a passthrough we won't be expecting the callback to output anything, so we'll
need to pre-silence the output buffer.
*/
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_PASSTHROUGH) != 0) {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, ma_node_get_output_channels(pNode, outputBusIndex));
}
ma_node_process_pcm_frames_internal(pNode, NULL, &frameCountIn, ppFramesOut, &frameCountOut);
totalFramesRead = frameCountOut;
} else {