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video-scaler: fix temp line allocation

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We need to allocate the templine with the amount of pixels we are going
to handle, which we only know for the vertical resampler when we are
asked to resample.
This commit is contained in:
Wim Taymans 2014-11-04 11:03:50 +01:00
parent 67a4702b19
commit 3286320297
1 changed files with 17 additions and 4 deletions
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21
gst-libs/gst/video/video-scaler.c
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@ -62,6 +62,7 @@ struct _GstVideoScaler
/* for ORC */
gint inc;
gint tmpwidth;
guint32 *tmpline1;
guint32 *tmpline2;
};
@ -106,6 +107,16 @@ resampler_zip (GstVideoResampler * resampler, const GstVideoResampler * r1,
}
}
static void
realloc_tmplines (GstVideoScaler * scale, gint width)
{
scale->tmpline1 =
g_realloc (scale->tmpline1,
sizeof (gint32) * width * 4 * scale->resampler.max_taps);
scale->tmpline2 = g_realloc (scale->tmpline2, sizeof (gint32) * width * 4);
scale->tmpwidth = width;
}
/**
* gst_video_scaler_new:
* @method: a #GstVideoResamplerMethod
@ -164,10 +175,6 @@ gst_video_scaler_new (GstVideoResamplerMethod method, GstVideoScalerFlags flags,
else
scale->inc = ((in_size - 1) << 16) / (out_size - 1) - 1;
scale->tmpline1 =
g_malloc (sizeof (gint32) * out_size * 4 * scale->resampler.max_taps);
scale->tmpline2 = g_malloc (sizeof (gint32) * out_size * 4);
return scale;
}
@ -727,6 +734,9 @@ gst_video_scaler_horizontal (GstVideoScaler * scale, GstVideoFormat format,
pstride = finfo->pixel_stride[0];
g_return_if_fail (pstride == 4 || pstride == 8);
if (scale->tmpwidth < width)
realloc_tmplines (scale, width);
switch (pstride) {
case 4:
switch (scale->resampler.max_taps) {
@ -797,6 +807,9 @@ gst_video_scaler_vertical (GstVideoScaler * scale, GstVideoFormat format,
pstride = finfo->pixel_stride[0];
g_return_if_fail (pstride == 4 || pstride == 8);
if (scale->tmpwidth < width)
realloc_tmplines (scale, width);
switch (pstride) {
case 4:
switch (scale->resampler.max_taps) {