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Fix ogg edge cases

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This commit is contained in:
Ellen Poe
2021-12-11 22:06:36 -08:00
parent 690fefe43e
commit afd2bbaa5f
3 changed files with 23 additions and 27 deletions
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17
modules/vorbis/audio_stream_ogg_vorbis.cpp
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@ -36,23 +36,22 @@
int AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_frames) {
ERR_FAIL_COND_V(!ready, 0);
ERR_FAIL_COND_V(!active, 0);
if (!active) {
return 0;
}
int todo = p_frames;
int start_buffer = 0;
int frames_mixed_this_step = p_frames;
while (todo && active) {
while (todo > 0 && active) {
AudioFrame *buffer = p_buffer;
if (start_buffer > 0) {
buffer = buffer + start_buffer;
}
int mixed = _mix_frames_vorbis(buffer, todo);
if (mixed < 0) {
return 0;
}
ERR_FAIL_COND_V(mixed < 0, 0);
todo -= mixed;
frames_mixed += mixed;
start_buffer += mixed;
@ -67,16 +66,14 @@ int AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_fram
// we still have buffer to fill, start from this element in the next iteration.
start_buffer = p_frames - todo;
} else {
frames_mixed_this_step = p_frames - todo;
for (int i = p_frames - todo; i < p_frames; i++) {
p_buffer[i] = AudioFrame(0, 0);
}
active = false;
todo = 0;
}
}
}
return frames_mixed_this_step;
return p_frames - todo;
}
int AudioStreamPlaybackOGGVorbis::_mix_frames_vorbis(AudioFrame *p_buffer, int p_frames) {