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-rw-r--r--multimedia/gst0-plugins-base/patches/02-ayuv64-lanczos.patch236
1 files changed, 236 insertions, 0 deletions
diff --git a/multimedia/gst0-plugins-base/patches/02-ayuv64-lanczos.patch b/multimedia/gst0-plugins-base/patches/02-ayuv64-lanczos.patch
new file mode 100644
index 0000000000..64106e4650
--- /dev/null
+++ b/multimedia/gst0-plugins-base/patches/02-ayuv64-lanczos.patch
@@ -0,0 +1,236 @@
+From e4f01106d08f3c2a65897bfe919bd65ce55545a8 Mon Sep 17 00:00:00 2001
+From: David Schleef <ds@schleef.org>
+Date: Wed, 25 Jan 2012 23:49:00 +0000
+Subject: videoscale: Add AYUV64 path to Lanczos
+
+---
+diff --git a/gst/videoscale/gstvideoscale.c b/gst/videoscale/gstvideoscale.c
+index 7b44647..6df4ba6 100644
+--- a/gst/videoscale/gstvideoscale.c
++++ b/gst/videoscale/gstvideoscale.c
+@@ -1199,6 +1199,11 @@ gst_video_scale_transform (GstBaseTransform * trans, GstBuffer * in,
+ case GST_VIDEO_SCALE_4TAP:
+ vs_image_scale_4tap_AYUV64 (&dest, &src, videoscale->tmp_buf);
+ break;
++ case GST_VIDEO_SCALE_LANCZOS:
++ vs_image_scale_lanczos_AYUV64 (&dest, &src, videoscale->tmp_buf,
++ videoscale->sharpness, videoscale->dither, videoscale->submethod,
++ videoscale->envelope, videoscale->sharpen);
++ break;
+ default:
+ goto unknown_mode;
+ }
+diff --git a/gst/videoscale/vs_image.h b/gst/videoscale/vs_image.h
+index 2312acc..7b34991 100644
+--- a/gst/videoscale/vs_image.h
++++ b/gst/videoscale/vs_image.h
+@@ -52,6 +52,9 @@ void vs_image_scale_linear_RGBA (const VSImage *dest, const VSImage *src,
+ void vs_image_scale_lanczos_AYUV (const VSImage * dest, const VSImage * src,
+ uint8_t * tmpbuf, double sharpness, gboolean dither, int submethod,
+ double a, double sharpen);
++void vs_image_scale_lanczos_AYUV64 (const VSImage * dest, const VSImage * src,
++ uint8_t * tmpbuf, double sharpness, gboolean dither, int submethod,
++ double a, double sharpen);
+
+ void vs_image_scale_nearest_RGB (const VSImage *dest, const VSImage *src,
+ uint8_t *tmpbuf);
+diff --git a/gst/videoscale/vs_lanczos.c b/gst/videoscale/vs_lanczos.c
+index 1c87ba3..d141a01 100644
+--- a/gst/videoscale/vs_lanczos.c
++++ b/gst/videoscale/vs_lanczos.c
+@@ -204,6 +204,9 @@ static void vs_image_scale_lanczos_AYUV_float (const VSImage * dest,
+ static void vs_image_scale_lanczos_AYUV_double (const VSImage * dest,
+ const VSImage * src, uint8_t * tmpbuf, double sharpness, gboolean dither,
+ double a, double sharpen);
++static void vs_image_scale_lanczos_AYUV64_double (const VSImage * dest,
++ const VSImage * src, uint8_t * tmpbuf, double sharpness, gboolean dither,
++ double a, double sharpen);
+
+ static double
+ sinc (double x)
+@@ -590,6 +593,15 @@ vs_image_scale_lanczos_AYUV (const VSImage * dest, const VSImage * src,
+ }
+ }
+
++void
++vs_image_scale_lanczos_AYUV64 (const VSImage * dest, const VSImage * src,
++ uint8_t * tmpbuf, double sharpness, gboolean dither, int submethod,
++ double a, double sharpen)
++{
++ vs_image_scale_lanczos_AYUV64_double (dest, src, tmpbuf, sharpness, dither,
++ a, sharpen);
++}
++
+
+
+ #define RESAMPLE_HORIZ_FLOAT(function, dest_type, tap_type, src_type, _n_taps) \
+@@ -813,9 +825,9 @@ RESAMPLE_VERT_DITHER (resample_vert_dither_int16_generic, gint16, gint16,
+ n_taps, shift)
+ /* *INDENT-ON* */
+
+-#define RESAMPLE_VERT_FLOAT(function, tap_type, src_type, _n_taps, _shift) \
++#define RESAMPLE_VERT_FLOAT(function, dest_type, clamp, tap_type, src_type, _n_taps, _shift) \
+ static void \
+-function (guint8 *dest, \
++function (dest_type *dest, \
+ const tap_type *taps, const src_type *src, int stride, int n_taps, \
+ int shift, int n) \
+ { \
+@@ -828,13 +840,13 @@ function (guint8 *dest, \
+ const src_type *line = PTR_OFFSET(src, stride * l); \
+ sum_y += line[i] * taps[l]; \
+ } \
+- dest[i] = CLAMP (floor(0.5 + sum_y), 0, 255); \
++ dest[i] = CLAMP (floor(0.5 + sum_y), 0, clamp); \
+ } \
+ }
+
+-#define RESAMPLE_VERT_FLOAT_DITHER(function, tap_type, src_type, _n_taps, _shift) \
++#define RESAMPLE_VERT_FLOAT_DITHER(function, dest_type, clamp, tap_type, src_type, _n_taps, _shift) \
+ static void \
+-function (guint8 *dest, \
++function (dest_type *dest, \
+ const tap_type *taps, const src_type *src, int stride, int n_taps, \
+ int shift, int n) \
+ { \
+@@ -849,19 +861,24 @@ function (guint8 *dest, \
+ sum_y += line[i] * taps[l]; \
+ } \
+ err_y += sum_y; \
+- dest[i] = CLAMP (floor (err_y), 0, 255); \
++ dest[i] = CLAMP (floor (err_y), 0, clamp); \
+ err_y -= floor (err_y); \
+ } \
+ }
+
+ /* *INDENT-OFF* */
+-RESAMPLE_VERT_FLOAT (resample_vert_double_generic, double, double, n_taps,
++RESAMPLE_VERT_FLOAT (resample_vert_double_generic, guint8, 255, double, double, n_taps,
+ shift)
+-RESAMPLE_VERT_FLOAT_DITHER (resample_vert_dither_double_generic, double, double,
++RESAMPLE_VERT_FLOAT_DITHER (resample_vert_dither_double_generic, guint8, 255, double, double,
+ n_taps, shift)
+
+-RESAMPLE_VERT_FLOAT (resample_vert_float_generic, float, float, n_taps, shift)
+-RESAMPLE_VERT_FLOAT_DITHER (resample_vert_dither_float_generic, float, float,
++RESAMPLE_VERT_FLOAT (resample_vert_double_generic_u16, guint16, 65535, double, double, n_taps,
++ shift)
++RESAMPLE_VERT_FLOAT_DITHER (resample_vert_dither_double_generic_u16, guint16, 65535, double, double,
++ n_taps, shift)
++
++RESAMPLE_VERT_FLOAT (resample_vert_float_generic, guint8, 255, float, float, n_taps, shift)
++RESAMPLE_VERT_FLOAT_DITHER (resample_vert_dither_float_generic, guint8, 255, float, float,
+ n_taps, shift)
+ /* *INDENT-ON* */
+
+@@ -1556,3 +1573,77 @@ vs_image_scale_lanczos_AYUV_float (const VSImage * dest, const VSImage * src,
+ scale1d_cleanup (&scale->y_scale1d);
+ g_free (scale->tmpdata);
+ }
++
++static void
++vs_scale_lanczos_AYUV64_double (Scale * scale)
++{
++ int j;
++ int yi;
++ int tmp_yi;
++
++ tmp_yi = 0;
++
++ for (j = 0; j < scale->dest->height; j++) {
++ guint16 *destline;
++ double *taps;
++
++ destline = (guint16 *) (scale->dest->pixels + scale->dest->stride * j);
++
++ yi = scale->y_scale1d.offsets[j];
++
++ while (tmp_yi < yi + scale->y_scale1d.n_taps) {
++ scale->horiz_resample_func (TMP_LINE_DOUBLE_AYUV (tmp_yi),
++ scale->x_scale1d.offsets, scale->x_scale1d.taps, SRC_LINE (tmp_yi),
++ scale->x_scale1d.n_taps, 0, scale->dest->width);
++ tmp_yi++;
++ }
++
++ taps = (double *) scale->y_scale1d.taps + j * scale->y_scale1d.n_taps;
++ if (scale->dither) {
++ resample_vert_dither_double_generic_u16 (destline,
++ taps, TMP_LINE_DOUBLE_AYUV (scale->y_scale1d.offsets[j]),
++ sizeof (double) * 4 * scale->dest->width,
++ scale->y_scale1d.n_taps, 0, scale->dest->width * 4);
++ } else {
++ resample_vert_double_generic_u16 (destline,
++ taps, TMP_LINE_DOUBLE_AYUV (scale->y_scale1d.offsets[j]),
++ sizeof (double) * 4 * scale->dest->width,
++ scale->y_scale1d.n_taps, 0, scale->dest->width * 4);
++ }
++ }
++}
++
++void
++vs_image_scale_lanczos_AYUV64_double (const VSImage * dest, const VSImage * src,
++ uint8_t * tmpbuf, double sharpness, gboolean dither, double a,
++ double sharpen)
++{
++ Scale s = { 0 };
++ Scale *scale = &s;
++ int n_taps;
++
++ scale->dest = dest;
++ scale->src = src;
++
++ n_taps = scale1d_get_n_taps (src->width, dest->width, a, sharpness);
++ scale1d_calculate_taps (&scale->x_scale1d,
++ src->width, dest->width, n_taps, a, sharpness, sharpen);
++
++ n_taps = scale1d_get_n_taps (src->height, dest->height, a, sharpness);
++ scale1d_calculate_taps (&scale->y_scale1d,
++ src->height, dest->height, n_taps, a, sharpness, sharpen);
++
++ scale->dither = dither;
++
++ scale->horiz_resample_func =
++ (HorizResampleFunc) resample_horiz_double_ayuv_generic;
++
++ scale->tmpdata =
++ g_malloc (sizeof (double) * scale->dest->width * scale->src->height * 4);
++
++ vs_scale_lanczos_AYUV64_double (scale);
++
++ scale1d_cleanup (&scale->x_scale1d);
++ scale1d_cleanup (&scale->y_scale1d);
++ g_free (scale->tmpdata);
++}
+--
+cgit v0.9.0.2-2-gbebe
+From f8dc679ca7e9542e6f410062df5e332fc8e0ba9d Mon Sep 17 00:00:00 2001
+From: David Schleef <ds@schleef.org>
+Date: Sun, 19 Feb 2012 08:03:03 +0000
+Subject: videoscale: fix AYUV64 scaling
+
+---
+diff --git a/gst/videoscale/vs_lanczos.c b/gst/videoscale/vs_lanczos.c
+index d141a01..67cd401 100644
+--- a/gst/videoscale/vs_lanczos.c
++++ b/gst/videoscale/vs_lanczos.c
+@@ -728,6 +728,9 @@ RESAMPLE_HORIZ_AYUV_FLOAT (resample_horiz_double_ayuv_generic, double, double,
+ RESAMPLE_HORIZ_AYUV_FLOAT (resample_horiz_float_ayuv_generic, float, float,
+ guint8, n_taps)
+
++RESAMPLE_HORIZ_AYUV_FLOAT (resample_horiz_double_ayuv_generic_s16, double, double,
++ guint16, n_taps)
++
+ RESAMPLE_HORIZ (resample_horiz_int32_int32_u8_generic, gint32, gint32,
+ guint8, n_taps, shift)
+ RESAMPLE_HORIZ (resample_horiz_int16_int16_u8_generic, gint16, gint16,
+@@ -1636,7 +1639,7 @@ vs_image_scale_lanczos_AYUV64_double (const VSImage * dest, const VSImage * src,
+ scale->dither = dither;
+
+ scale->horiz_resample_func =
+- (HorizResampleFunc) resample_horiz_double_ayuv_generic;
++ (HorizResampleFunc) resample_horiz_double_ayuv_generic_s16;
+
+ scale->tmpdata =
+ g_malloc (sizeof (double) * scale->dest->width * scale->src->height * 4);
+--
+cgit v0.9.0.2-2-gbebe
generated by cgit v1.2.3 (git 2.32.0) at 2024-04-19 13:17:39 +0200