gst/videoscale/: Support 1x1 images as input and output as for example the BBC HQ new streams have 1x1 GIFs in the pl...
Original commit message from CVS: * gst/videoscale/gstvideoscale.c: * gst/videoscale/vs_4tap.c: (vs_image_scale_4tap_Y): * gst/videoscale/vs_image.c: (vs_image_scale_nearest_RGBA), (vs_image_scale_linear_RGBA), (vs_image_scale_nearest_RGB), (vs_image_scale_linear_RGB), (vs_image_scale_nearest_YUYV), (vs_image_scale_linear_YUYV), (vs_image_scale_nearest_UYVY), (vs_image_scale_linear_UYVY), (vs_image_scale_nearest_Y), (vs_image_scale_linear_Y), (vs_image_scale_nearest_RGB565), (vs_image_scale_linear_RGB565), (vs_image_scale_nearest_RGB555), (vs_image_scale_linear_RGB555): Support 1x1 images as input and output as for example the BBC HQ new streams have 1x1 GIFs in the playlists for some reason.
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ChangeLog
15
ChangeLog
@ -1,3 +1,18 @@
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2008-05-02 Sebastian Dröge <slomo@circular-chaos.org>
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* gst/videoscale/gstvideoscale.c:
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* gst/videoscale/vs_4tap.c: (vs_image_scale_4tap_Y):
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* gst/videoscale/vs_image.c: (vs_image_scale_nearest_RGBA),
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(vs_image_scale_linear_RGBA), (vs_image_scale_nearest_RGB),
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(vs_image_scale_linear_RGB), (vs_image_scale_nearest_YUYV),
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(vs_image_scale_linear_YUYV), (vs_image_scale_nearest_UYVY),
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(vs_image_scale_linear_UYVY), (vs_image_scale_nearest_Y),
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(vs_image_scale_linear_Y), (vs_image_scale_nearest_RGB565),
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(vs_image_scale_linear_RGB565), (vs_image_scale_nearest_RGB555),
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(vs_image_scale_linear_RGB555):
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Support 1x1 images as input and output as for example the BBC HQ new
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streams have 1x1 GIFs in the playlists for some reason.
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2008-05-01 Tim-Philipp Müller <tim.muller at collabora co uk>
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* gst/playback/gstdecodebin.c: (free_pad_probe_for_element),
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@ -89,10 +89,6 @@ enum
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/* FILL ME */
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};
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/* can't handle width/height of 1 yet, since we divide a lot by (n-1) */
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#undef GST_VIDEO_SIZE_RANGE
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#define GST_VIDEO_SIZE_RANGE "(int) [ 2, MAX ]"
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static GstStaticCaps gst_video_scale_format_caps[] = {
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx),
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GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB),
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@ -163,7 +163,14 @@ vs_image_scale_4tap_Y (const VSImage * dest, const VSImage * src,
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int xacc;
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int k;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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k = 0;
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@ -46,9 +46,17 @@ vs_image_scale_nearest_RGBA (const VSImage * dest, const VSImage * src,
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int x;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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acc = 0;
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for (i = 0; i < dest->height; i++) {
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j = acc >> 16;
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@ -79,7 +87,14 @@ vs_image_scale_linear_RGBA (const VSImage * dest, const VSImage * src,
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int dest_size;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = dest->width * 4;
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@ -162,7 +177,14 @@ vs_image_scale_nearest_RGB (const VSImage * dest, const VSImage * src,
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int x;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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acc = 0;
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@ -195,7 +217,14 @@ vs_image_scale_linear_RGB (const VSImage * dest, const VSImage * src,
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int dest_size;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = dest->width * 3;
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@ -280,7 +309,14 @@ vs_image_scale_nearest_YUYV (const VSImage * dest, const VSImage * src,
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int xacc;
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int n_quads;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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n_quads = ROUND_UP_2 (dest->width) / 2;
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@ -315,7 +351,14 @@ vs_image_scale_linear_YUYV (const VSImage * dest, const VSImage * src,
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int n_quads;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = ROUND_UP_4 (dest->width * 2);
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@ -398,7 +441,14 @@ vs_image_scale_nearest_UYVY (const VSImage * dest, const VSImage * src,
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int xacc;
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int n_quads;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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n_quads = (dest->width + 1) / 2;
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@ -433,7 +483,14 @@ vs_image_scale_linear_UYVY (const VSImage * dest, const VSImage * src,
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int n_quads;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = ROUND_UP_4 (dest->width * 2);
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@ -515,7 +572,14 @@ vs_image_scale_nearest_Y (const VSImage * dest, const VSImage * src,
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int x;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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acc = 0;
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@ -548,7 +612,14 @@ vs_image_scale_linear_Y (const VSImage * dest, const VSImage * src,
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int dest_size;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = dest->width;
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@ -632,7 +703,14 @@ vs_image_scale_nearest_RGB565 (const VSImage * dest, const VSImage * src,
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int x;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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acc = 0;
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@ -665,7 +743,14 @@ vs_image_scale_linear_RGB565 (const VSImage * dest, const VSImage * src,
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int dest_size;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = dest->width * 2;
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@ -749,7 +834,14 @@ vs_image_scale_nearest_RGB555 (const VSImage * dest, const VSImage * src,
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int x;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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acc = 0;
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@ -782,7 +874,14 @@ vs_image_scale_linear_RGB555 (const VSImage * dest, const VSImage * src,
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int dest_size;
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int xacc;
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if (dest->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest->height - 1);
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if (dest->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest->width - 1);
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dest_size = dest->width * 2;
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