forked from pool/alsa-utils
43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
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From 53107e1e3146e3687e571b2c31f9d271623c5411 Mon Sep 17 00:00:00 2001
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From: Jaroslav Kysela <perex@perex.cz>
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Date: Mon, 20 Feb 2012 16:41:19 +0100
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Subject: [PATCH 04/13] alsaloop: Improve xrun_sync - fill missing playback
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samples
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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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---
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alsaloop/pcmjob.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/alsaloop/pcmjob.c b/alsaloop/pcmjob.c
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index bfac2d3..c9b120f 100644
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--- a/alsaloop/pcmjob.c
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+++ b/alsaloop/pcmjob.c
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@@ -949,6 +949,23 @@ static int xrun_sync(struct loopback *loop)
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logit(LOG_CRIT, "%s start failed: %s\n", play->id, snd_strerror(err));
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return err;
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}
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+ } else if (delay1 < fill) {
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+ diff = (fill - delay1) / play->pitch;
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+ while (diff > 0) {
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+ delay1 = play->buf_size - play->buf_pos;
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+ if (verbose > 6)
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+ snd_output_printf(loop->output,
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+ "sync: playback short, silence filling %li / buf_count=%li\n", (long)delay1, play->buf_count);
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+ if (delay1 > diff)
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+ delay1 = diff;
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+ if ((err = snd_pcm_format_set_silence(play->format, play->buf + play->buf_pos * play->channels, delay1)) < 0)
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+ return err;
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+ play->buf_pos += delay1;
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+ play->buf_pos %= play->buf_size;
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+ play->buf_count += delay1;
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+ diff -= delay1;
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+ }
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+ writeit(play);
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}
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if (verbose > 5) {
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snd_output_printf(loop->output, "%s: xrun sync ok\n", loop->id);
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--
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1.7.9.2
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