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Fix a bug with data source ranges.

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Public issue https://github.com/mackron/miniaudio/discussions/596
This commit is contained in:
David Reid
2022-12-21 07:42:50 +10:00
parent 9dfa5620a5
commit 49a95a326b
2 changed files with 10 additions and 9 deletions
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CHANGES.md
+1
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@@ -1,5 +1,6 @@
v0.11.12 - TBD
=====================
* Fix a bug with data source ranges which resulted in data being read from outside the range.
* Fix a crash due to a race condition in the resource manager.
* Fix a crash with some backends when rerouting the playback side of a duplex device.
* Fix some bugs with initialization of POSIX threads.
miniaudio.h
+9 -9
View File
@@ -4415,11 +4415,6 @@ logLevel (in)
pMessage (in)
The log message.
Remarks
-------
Do not modify the state of the device from inside the callback.
*/
typedef void (* ma_log_callback_proc)(void* pUserData, ma_uint32 level, const char* pMessage);
@@ -56161,18 +56156,23 @@ static ma_result ma_data_source_read_pcm_frames_within_range(ma_data_source* pDa
result = pDataSourceBase->vtable->onRead(pDataSourceBase, pFramesOut, frameCount, &framesRead);
} else {
/* Need to clamp to within the range. */
ma_uint64 cursor;
ma_uint64 relativeCursor;
ma_uint64 absoluteCursor;
result = ma_data_source_get_cursor_in_pcm_frames(pDataSourceBase, &cursor);
result = ma_data_source_get_cursor_in_pcm_frames(pDataSourceBase, &relativeCursor);
if (result != MA_SUCCESS) {
/* Failed to retrieve the cursor. Cannot read within a range or loop points. Just read like normal - this may happen for things like noise data sources where it doesn't really matter. */
result = pDataSourceBase->vtable->onRead(pDataSourceBase, pFramesOut, frameCount, &framesRead);
} else {
ma_uint64 rangeBeg;
ma_uint64 rangeEnd;
/* We have the cursor. We need to make sure we don't read beyond our range. */
rangeBeg = pDataSourceBase->rangeBegInFrames;
rangeEnd = pDataSourceBase->rangeEndInFrames;
absoluteCursor = rangeBeg + relativeCursor;
/* If looping, make sure we're within range. */
if (loop) {
if (pDataSourceBase->loopEndInFrames != ~((ma_uint64)0)) {
@@ -56180,8 +56180,8 @@ static ma_result ma_data_source_read_pcm_frames_within_range(ma_data_source* pDa
}
}
if (frameCount > (rangeEnd - cursor) && rangeEnd != ~((ma_uint64)0)) {
frameCount = (rangeEnd - cursor);
if (frameCount > (rangeEnd - absoluteCursor) && rangeEnd != ~((ma_uint64)0)) {
frameCount = (rangeEnd - absoluteCursor);
}
/*