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video: add some more debuging

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This commit is contained in:
Wim Taymans 2014-11-18 16:36:08 +01:00
parent 7d0cef3bcb
commit d6ed383c6f
2 changed files with 64 additions and 25 deletions
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57
gst-libs/gst/video/video-resampler.c
View file

@ -235,6 +235,37 @@ resampler_calculate_taps (ResamplerParams * params)
}
}
static void
resampler_dump (GstVideoResampler * resampler)
{
#if 0
gint i, max_taps, out_size;
out_size = resampler->out_size;
max_taps = resampler->max_taps;
for (i = 0; i < out_size; i++) {
gint j, o, phase, n_taps;
gdouble sum;
o = resampler->offset[i];
n_taps = resampler->n_taps[i];
phase = resampler->phase[i];
printf ("%u: \t%d ", i, o);
sum = 0;
for (j = 0; j < n_taps; j++) {
gdouble tap;
tap = resampler->taps[phase * max_taps + j];
printf ("\t%f ", tap);
sum += tap;
}
printf ("\t: sum %f\n", sum);
}
#endif
}
/**
* gst_video_resampler_new:
* @resampler: a #GstVideoResampler
@ -349,32 +380,8 @@ gst_video_resampler_init (GstVideoResampler * resampler,
resampler_calculate_taps (&params);
#if 0
{
gint i, max_taps;
resampler_dump (resampler);
max_taps = resampler->max_taps;
for (i = 0; i < out_size; i++) {
gint j, o, phase, n_taps;
gdouble sum;
o = resampler->offset[i];
n_taps = resampler->n_taps[i];
phase = resampler->phase[i];
printf ("%u: \t%d ", i, o);
sum = 0;
for (j = 0; j < n_taps; j++) {
gdouble tap;
tap = resampler->taps[phase * max_taps + j];
printf ("\t%f ", tap);
sum += tap;
}
printf ("\t: sum %f\n", sum);
}
}
#endif
return TRUE;
}

32
gst-libs/gst/video/video-scaler.c
View file

@ -117,6 +117,36 @@ realloc_tmplines (GstVideoScaler * scale, gint width)
scale->tmpwidth = width;
}
static void
scaler_dump (GstVideoScaler * scale)
{
#if 0
gint i, j, in_size, out_size, max_taps;
guint32 *offset, *phase;
gdouble *taps;
GstVideoResampler *r = &scale->resampler;
in_size = r->in_size;
out_size = r->out_size;
offset = r->offset;
phase = r->phase;
max_taps = r->max_taps;
taps = r->taps;
g_print ("in %d, out %d, max_taps %d, n_phases %d\n", in_size, out_size,
max_taps, r->n_phases);
for (i = 0; i < out_size; i++) {
g_print ("%d: \t%d \t%d:", i, offset[i], phase[i]);
for (j = 0; j < max_taps; j++) {
g_print ("\t%f", taps[i * max_taps + j]);
}
g_print ("\n");
}
#endif
}
/**
* gst_video_scaler_new:
* @method: a #GstVideoResamplerMethod
@ -175,6 +205,8 @@ gst_video_scaler_new (GstVideoResamplerMethod method, GstVideoScalerFlags flags,
else
scale->inc = ((in_size - 1) << 16) / (out_size - 1) - 1;
scaler_dump (scale);
return scale;
}