From 5ac0fab95c09497bed24640eb3f09893127d6d65 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Tue, 31 May 2005 16:59:39 +0200 Subject: [PATCH] [ALSA] OSS PCM emulation - The 2nd final fix for SNDCTL_DSP_GETOPTR problem ALSA<-OSS emulation The problem was negative/wrong result (info.bytes) in a specific condition at playback startup. Signed-off-by: Jaroslav Kysela --- sound/core/oss/pcm_oss.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 203470df5857..cab30977e7c0 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1537,13 +1537,13 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str snd_pcm_oss_simulate_fill(substream, delay); info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX; } else { - delay = snd_pcm_oss_bytes(substream, delay) + fixup; - info.blocks = delay / runtime->oss.period_bytes; + delay = snd_pcm_oss_bytes(substream, delay); if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (runtime->oss.bytes == 0) - delay = 0; + info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes; info.bytes = (runtime->oss.bytes - delay) & INT_MAX; } else { + delay += fixup; + info.blocks = delay / runtime->oss.period_bytes; info.bytes = (runtime->oss.bytes + delay) & INT_MAX; } }