From 385211e8f903c75d7d1322ba0e21c370b2edaddd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Volker=20R=C3=BCmelin?= Date: Tue, 1 Mar 2022 20:13:09 +0100 Subject: [PATCH] ossaudio: reduce effective playback buffer size MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return the free buffer size for the mmapped case in function oss_buffer_get_free() to reduce the effective playback buffer size. All intermediate audio playback buffers become temporary buffers. Signed-off-by: Volker Rümelin Message-Id: <20220301191311.26695-13-vr_qemu@t-online.de> Signed-off-by: Gerd Hoffmann --- audio/ossaudio.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/audio/ossaudio.c b/audio/ossaudio.c index 1bd6800840..da9c232222 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -394,7 +394,7 @@ static size_t oss_buffer_get_free(HWVoiceOut *hw) OSSVoiceOut *oss = (OSSVoiceOut *)hw; if (oss->mmapped) { - return INT_MAX; + return oss_get_available_bytes(oss); } else { return audio_generic_buffer_get_free(hw); } @@ -402,9 +402,10 @@ static size_t oss_buffer_get_free(HWVoiceOut *hw) static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size) { - OSSVoiceOut *oss = (OSSVoiceOut *) hw; + OSSVoiceOut *oss = (OSSVoiceOut *)hw; + if (oss->mmapped) { - *size = MIN(oss_get_available_bytes(oss), hw->size_emul - hw->pos_emul); + *size = hw->size_emul - hw->pos_emul; return hw->buf_emul + hw->pos_emul; } else { return audio_generic_get_buffer_out(hw, size);