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video-scaler: fix phases in interlaced mode

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This commit is contained in:
Wim Taymans 2014-11-04 11:01:52 +01:00
parent 9cc353ce7c
commit 562416bb94
1 changed files with 5 additions and 3 deletions
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8
gst-libs/gst/video/video-scaler.c
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@ -70,7 +70,7 @@ static void
resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1, resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1,
const GstVideoResampler * r2) const GstVideoResampler * r2)
{ {
guint i, out_size, max_taps; guint i, out_size, max_taps, n_phases;
gdouble *taps; gdouble *taps;
guint32 *offset, *phase; guint32 *offset, *phase;
@ -78,6 +78,7 @@ resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1,
out_size = r1->out_size + r2->out_size; out_size = r1->out_size + r2->out_size;
max_taps = r1->max_taps; max_taps = r1->max_taps;
n_phases = out_size;
offset = g_malloc (sizeof (guint32) * out_size); offset = g_malloc (sizeof (guint32) * out_size);
phase = g_malloc (sizeof (guint32) * out_size); phase = g_malloc (sizeof (guint32) * out_size);
taps = g_malloc (sizeof (gdouble) * max_taps * out_size); taps = g_malloc (sizeof (gdouble) * max_taps * out_size);
@ -85,6 +86,7 @@ resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1,
resampler->in_size = r1->in_size + r2->in_size; resampler->in_size = r1->in_size + r2->in_size;
resampler->out_size = out_size; resampler->out_size = out_size;
resampler->max_taps = max_taps; resampler->max_taps = max_taps;
resampler->n_phases = n_phases;
resampler->offset = offset; resampler->offset = offset;
resampler->phase = phase; resampler->phase = phase;
resampler->n_taps = g_malloc (sizeof (guint32) * out_size); resampler->n_taps = g_malloc (sizeof (guint32) * out_size);
@ -99,7 +101,7 @@ resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1,
offset[i] = r->offset[idx] * 2 + (i & 1); offset[i] = r->offset[idx] * 2 + (i & 1);
phase[i] = i; phase[i] = i;
memcpy (taps + i * max_taps, r->taps + idx * max_taps, memcpy (taps + i * max_taps, r->taps + phase[idx] * max_taps,
max_taps * sizeof (gdouble)); max_taps * sizeof (gdouble));
} }
} }
@ -335,7 +337,7 @@ video_scale_h_near_u32 (GstVideoScaler * scale,
#if 0 #if 0
/* ORC is slower on this */ /* ORC is slower on this */
video_orc_resample_h_near_u32 (d, s, 0, scale->inc, width); video_orc_resample_h_near_u32_lq (d, s, 0, scale->inc, width);
#else #else
{ {
gint i; gint i;