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gstaudiobasesink: Refactor alignment computation for clarity

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Reynaldo H. Verdejo Pinochet 2013-12-19 17:41:31 -03:00
parent 4f4ff6bda6
commit 86b0a0d6d0
1 changed files with 6 additions and 10 deletions
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16
gst-libs/gst/audio/gstaudiobasesink.c
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@ -1533,22 +1533,18 @@ gst_audio_base_sink_get_alignment (GstAudioBaseSink * sink,
gboolean discont = FALSE; gboolean discont = FALSE;
gint rate; gint rate;
/* now try to align the sample to the previous one, first see how big the /* now try to align the sample to the previous one. */
* difference is. */
if (sample_offset >= sink->next_sample)
sample_diff = sample_offset - sink->next_sample;
else
sample_diff = sink->next_sample - sample_offset;
rate = GST_AUDIO_INFO_RATE (&ringbuf->spec.info); /* calc align with previous sample and determine how big the
* difference is. */
align = sink->next_sample - sample_offset;
sample_diff = ABS (align);
/* calculate the max allowed drift in units of samples. */ /* calculate the max allowed drift in units of samples. */
rate = GST_AUDIO_INFO_RATE (&ringbuf->spec.info);
max_sample_diff = gst_util_uint64_scale_int (sink->priv->alignment_threshold, max_sample_diff = gst_util_uint64_scale_int (sink->priv->alignment_threshold,
rate, GST_SECOND); rate, GST_SECOND);
/* calc align with previous sample */
align = sink->next_sample - sample_offset;
/* don't align if it means writing behind the read-segment */ /* don't align if it means writing behind the read-segment */
if (sample_diff > headroom && align < 0) if (sample_diff > headroom && align < 0)
allow_align = FALSE; allow_align = FALSE;