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audio: Make sure we don't write to a NULL pointer.

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(This _probably_ never happens in the current codebase, but just in case.)
This commit is contained in:
Ryan C. Gordon
2023-06-26 21:26:48 -04:00
parent 943351affb
commit 3e9991b535
1 changed files with 3 additions and 1 deletions
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4
src/audio/SDL_audiocvt.c
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@@ -1119,7 +1119,9 @@ int SDL_ClearAudioStream(SDL_AudioStream *stream)
SDL_LockMutex(stream->lock);
SDL_ClearDataQueue(stream->queue, (size_t)stream->packetlen * 2);
SDL_memset(stream->history_buffer, SDL_GetSilenceValueForFormat(stream->src_spec.format), stream->history_buffer_frames * stream->src_spec.channels * sizeof (float));
if (stream->history_buffer != NULL) {
SDL_memset(stream->history_buffer, SDL_GetSilenceValueForFormat(stream->src_spec.format), stream->history_buffer_frames * stream->src_spec.channels * sizeof (float));
}
stream->future_buffer_filled_frames = 0;
stream->flushed = SDL_FALSE;
SDL_UnlockMutex(stream->lock);