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gstreamer/gst/deinterlace/gstdeinterlacemethod.c
Wim Taymans abd7e33db6 deinterlace: add support for strides 
Implement stride support correctly by taking it from the GstVideoFrame.
Propose a bufferpool upstream when not operating in passthrough.
2012-12-11 13:00:46 +01:00

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/*
* GStreamer
* Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstdeinterlacemethod.h"
G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceMethod, gst_deinterlace_method,
GST_TYPE_OBJECT);
gboolean
gst_deinterlace_method_supported (GType type, GstVideoFormat format, gint width,
gint height)
{
GstDeinterlaceMethodClass *klass =
GST_DEINTERLACE_METHOD_CLASS (g_type_class_ref (type));
gboolean ret;
if (format == GST_VIDEO_FORMAT_UNKNOWN)
ret = TRUE;
else
ret = klass->supported (klass, format, width, height);
g_type_class_unref (klass);
return ret;
}
static gboolean
gst_deinterlace_method_supported_impl (GstDeinterlaceMethodClass * klass,
GstVideoFormat format, gint width, gint height)
{
switch (format) {
case GST_VIDEO_FORMAT_YUY2:
return (klass->deinterlace_frame_yuy2 != NULL);
case GST_VIDEO_FORMAT_YVYU:
return (klass->deinterlace_frame_yvyu != NULL);
case GST_VIDEO_FORMAT_UYVY:
return (klass->deinterlace_frame_uyvy != NULL);
case GST_VIDEO_FORMAT_I420:
return (klass->deinterlace_frame_i420 != NULL);
case GST_VIDEO_FORMAT_YV12:
return (klass->deinterlace_frame_yv12 != NULL);
case GST_VIDEO_FORMAT_Y444:
return (klass->deinterlace_frame_y444 != NULL);
case GST_VIDEO_FORMAT_Y42B:
return (klass->deinterlace_frame_y42b != NULL);
case GST_VIDEO_FORMAT_Y41B:
return (klass->deinterlace_frame_y41b != NULL);
case GST_VIDEO_FORMAT_AYUV:
return (klass->deinterlace_frame_ayuv != NULL);
case GST_VIDEO_FORMAT_NV12:
return (klass->deinterlace_frame_nv12 != NULL);
case GST_VIDEO_FORMAT_NV21:
return (klass->deinterlace_frame_nv21 != NULL);
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_xRGB:
return (klass->deinterlace_frame_argb != NULL);
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_xBGR:
return (klass->deinterlace_frame_abgr != NULL);
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGBx:
return (klass->deinterlace_frame_rgba != NULL);
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_BGRx:
return (klass->deinterlace_frame_bgra != NULL);
case GST_VIDEO_FORMAT_RGB:
return (klass->deinterlace_frame_rgb != NULL);
case GST_VIDEO_FORMAT_BGR:
return (klass->deinterlace_frame_bgr != NULL);
default:
return FALSE;
}
}
void
gst_deinterlace_method_setup (GstDeinterlaceMethod * self, GstVideoInfo * vinfo)
{
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
klass->setup (self, vinfo);
}
static void
gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self,
GstVideoInfo * vinfo)
{
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
self->vinfo = vinfo;
self->deinterlace_frame = NULL;
if (GST_VIDEO_INFO_FORMAT (self->vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
return;
switch (GST_VIDEO_INFO_FORMAT (self->vinfo)) {
case GST_VIDEO_FORMAT_YUY2:
self->deinterlace_frame = klass->deinterlace_frame_yuy2;
break;
case GST_VIDEO_FORMAT_YVYU:
self->deinterlace_frame = klass->deinterlace_frame_yvyu;
break;
case GST_VIDEO_FORMAT_UYVY:
self->deinterlace_frame = klass->deinterlace_frame_uyvy;
break;
case GST_VIDEO_FORMAT_I420:
self->deinterlace_frame = klass->deinterlace_frame_i420;
break;
case GST_VIDEO_FORMAT_YV12:
self->deinterlace_frame = klass->deinterlace_frame_yv12;
break;
case GST_VIDEO_FORMAT_Y444:
self->deinterlace_frame = klass->deinterlace_frame_y444;
break;
case GST_VIDEO_FORMAT_Y42B:
self->deinterlace_frame = klass->deinterlace_frame_y42b;
break;
case GST_VIDEO_FORMAT_Y41B:
self->deinterlace_frame = klass->deinterlace_frame_y41b;
break;
case GST_VIDEO_FORMAT_AYUV:
self->deinterlace_frame = klass->deinterlace_frame_ayuv;
break;
case GST_VIDEO_FORMAT_NV12:
self->deinterlace_frame = klass->deinterlace_frame_nv12;
break;
case GST_VIDEO_FORMAT_NV21:
self->deinterlace_frame = klass->deinterlace_frame_nv21;
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_xRGB:
self->deinterlace_frame = klass->deinterlace_frame_argb;
break;
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_xBGR:
self->deinterlace_frame = klass->deinterlace_frame_abgr;
break;
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGBx:
self->deinterlace_frame = klass->deinterlace_frame_rgba;
break;
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_BGRx:
self->deinterlace_frame = klass->deinterlace_frame_bgra;
break;
case GST_VIDEO_FORMAT_RGB:
self->deinterlace_frame = klass->deinterlace_frame_rgb;
break;
case GST_VIDEO_FORMAT_BGR:
self->deinterlace_frame = klass->deinterlace_frame_bgr;
break;
default:
self->deinterlace_frame = NULL;
break;
}
}
static void
gst_deinterlace_method_class_init (GstDeinterlaceMethodClass * klass)
{
klass->setup = gst_deinterlace_method_setup_impl;
klass->supported = gst_deinterlace_method_supported_impl;
}
static void
gst_deinterlace_method_init (GstDeinterlaceMethod * self)
{
self->vinfo = NULL;
}
void
gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self,
const GstDeinterlaceField * history, guint history_count,
GstVideoFrame * outframe, int cur_field_idx)
{
g_assert (self->deinterlace_frame != NULL);
self->deinterlace_frame (self, history, history_count, outframe,
cur_field_idx);
}
gint
gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self)
{
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
return klass->fields_required;
}
gint
gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self)
{
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
return klass->latency;
}
G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceSimpleMethod,
gst_deinterlace_simple_method, GST_TYPE_DEINTERLACE_METHOD);
static gboolean
gst_deinterlace_simple_method_supported (GstDeinterlaceMethodClass * mklass,
GstVideoFormat format, gint width, gint height)
{
GstDeinterlaceSimpleMethodClass *klass =
GST_DEINTERLACE_SIMPLE_METHOD_CLASS (mklass);
if (!GST_DEINTERLACE_METHOD_CLASS
(gst_deinterlace_simple_method_parent_class)->supported (mklass, format,
width, height))
return FALSE;
switch (format) {
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_xRGB:
return (klass->interpolate_scanline_argb != NULL
&& klass->copy_scanline_argb != NULL);
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGBx:
return (klass->interpolate_scanline_rgba != NULL
&& klass->copy_scanline_rgba != NULL);
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_xBGR:
return (klass->interpolate_scanline_abgr != NULL
&& klass->copy_scanline_abgr != NULL);
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_BGRx:
return (klass->interpolate_scanline_bgra != NULL
&& klass->copy_scanline_bgra != NULL);
case GST_VIDEO_FORMAT_RGB:
return (klass->interpolate_scanline_rgb != NULL
&& klass->copy_scanline_rgb != NULL);
case GST_VIDEO_FORMAT_BGR:
return (klass->interpolate_scanline_bgr != NULL
&& klass->copy_scanline_bgr != NULL);
case GST_VIDEO_FORMAT_YUY2:
return (klass->interpolate_scanline_yuy2 != NULL
&& klass->copy_scanline_yuy2 != NULL);
case GST_VIDEO_FORMAT_YVYU:
return (klass->interpolate_scanline_yvyu != NULL
&& klass->copy_scanline_yvyu != NULL);
case GST_VIDEO_FORMAT_UYVY:
return (klass->interpolate_scanline_uyvy != NULL
&& klass->copy_scanline_uyvy != NULL);
case GST_VIDEO_FORMAT_AYUV:
return (klass->interpolate_scanline_ayuv != NULL
&& klass->copy_scanline_ayuv != NULL);
case GST_VIDEO_FORMAT_NV12:
return (klass->interpolate_scanline_nv12 != NULL
&& klass->copy_scanline_nv12 != NULL);
case GST_VIDEO_FORMAT_NV21:
return (klass->interpolate_scanline_nv21 != NULL
&& klass->copy_scanline_nv21 != NULL);
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y41B:
return (klass->interpolate_scanline_planar_y != NULL
&& klass->copy_scanline_planar_y != NULL &&
klass->interpolate_scanline_planar_u != NULL
&& klass->copy_scanline_planar_u != NULL &&
klass->interpolate_scanline_planar_v != NULL
&& klass->copy_scanline_planar_v != NULL);
default:
return FALSE;
}
}
static void
gst_deinterlace_simple_method_interpolate_scanline_packed
(GstDeinterlaceSimpleMethod * self, guint8 * out,
const GstDeinterlaceScanlineData * scanlines, guint stride)
{
memcpy (out, scanlines->m1, stride);
}
static void
gst_deinterlace_simple_method_copy_scanline_packed (GstDeinterlaceSimpleMethod *
self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
guint stride)
{
memcpy (out, scanlines->m0, stride);
}
static void
gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
method, const GstDeinterlaceField * history, guint history_count,
GstVideoFrame * outframe, gint cur_field_idx)
{
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
GstDeinterlaceScanlineData scanlines;
guint cur_field_flags;
gint i;
gint frame_height, frame_width;
GstVideoFrame *framep, *frame0, *frame1, *frame2;
g_assert (self->interpolate_scanline_packed != NULL);
g_assert (self->copy_scanline_packed != NULL);
frame_height = GST_VIDEO_FRAME_HEIGHT (outframe);
frame_width = GST_VIDEO_FRAME_PLANE_STRIDE (outframe, 0);
frame0 = history[cur_field_idx].frame;
frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame0, 0));
cur_field_flags = history[cur_field_idx].flags;
framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
if (framep)
frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (framep, 0));
g_assert (dm_class->fields_required <= 4);
frame1 =
(cur_field_idx + 1 <
history_count ? history[cur_field_idx + 1].frame : NULL);
if (frame1)
frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame1, 0));
frame2 =
(cur_field_idx + 2 <
history_count ? history[cur_field_idx + 2].frame : NULL);
if (frame2)
frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame2, 0));
#define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i))
#define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i))
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),0)) + CLAMP_HI(CLAMP_LOW(i)) * \
GST_VIDEO_FRAME_PLANE_STRIDE((x),0))
#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
for (i = 0; i < frame_height; i++) {
memset (&scanlines, 0, sizeof (scanlines));
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
if (!((i & 1) ^ scanlines.bottom_field)) {
/* copying */
scanlines.tp = LINE2 (framep, i - 1);
scanlines.bp = LINE2 (framep, i + 1);
scanlines.tt0 = LINE2 (frame0, (i - 2 >= 0) ? i - 2 : i);
scanlines.m0 = LINE2 (frame0, i);
scanlines.bb0 = LINE2 (frame0, (i + 2 < frame_height ? i + 2 : i));
scanlines.t1 = LINE2 (frame1, i - 1);
scanlines.b1 = LINE2 (frame1, i + 1);
scanlines.tt2 = LINE2 (frame2, (i - 2 >= 0) ? i - 2 : i);
scanlines.m2 = LINE2 (frame2, i);
scanlines.bb2 = LINE2 (frame2, (i + 2 < frame_height ? i + 2 : i));
self->copy_scanline_packed (self, LINE (outframe, i), &scanlines,
frame_width);
} else {
/* interpolating */
scanlines.ttp = LINE2 (framep, (i - 2 >= 0) ? i - 2 : i);
scanlines.mp = LINE2 (framep, i);
scanlines.bbp = LINE2 (framep, (i + 2 < frame_height ? i + 2 : i));
scanlines.t0 = LINE2 (frame0, i - 1);
scanlines.b0 = LINE2 (frame0, i + 1);
scanlines.tt1 = LINE2 (frame1, (i - 2 >= 0) ? i - 2 : i);
scanlines.m1 = LINE2 (frame1, i);
scanlines.bb1 = LINE2 (frame1, (i + 2 < frame_height ? i + 2 : i));
scanlines.t2 = LINE2 (frame2, i - 1);
scanlines.b2 = LINE2 (frame2, i + 1);
self->interpolate_scanline_packed (self, LINE (outframe, i), &scanlines,
frame_width);
}
#undef LINE
#undef LINE2
}
}
static void
gst_deinterlace_simple_method_interpolate_scanline_planar_y
(GstDeinterlaceSimpleMethod * self, guint8 * out,
const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m1, size);
}
static void
gst_deinterlace_simple_method_copy_scanline_planar_y (GstDeinterlaceSimpleMethod
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
size)
{
memcpy (out, scanlines->m0, size);
}
static void
gst_deinterlace_simple_method_interpolate_scanline_planar_u
(GstDeinterlaceSimpleMethod * self, guint8 * out,
const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m1, size);
}
static void
gst_deinterlace_simple_method_copy_scanline_planar_u (GstDeinterlaceSimpleMethod
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
size)
{
memcpy (out, scanlines->m0, size);
}
static void
gst_deinterlace_simple_method_interpolate_scanline_planar_v
(GstDeinterlaceSimpleMethod * self, guint8 * out,
const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m1, size);
}
static void
gst_deinterlace_simple_method_copy_scanline_planar_v (GstDeinterlaceSimpleMethod
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
size)
{
memcpy (out, scanlines->m0, size);
}
static void
gst_deinterlace_simple_method_deinterlace_frame_planar_plane
(GstDeinterlaceSimpleMethod * self, GstVideoFrame * dest,
const GstVideoFrame * frame0, const GstVideoFrame * frame1,
const GstVideoFrame * frame2, const GstVideoFrame * framep,
guint cur_field_flags, gint plane,
GstDeinterlaceSimpleMethodFunction copy_scanline,
GstDeinterlaceSimpleMethodFunction interpolate_scanline)
{
GstDeinterlaceScanlineData scanlines;
gint i;
gint frame_height, frame_width;
frame_height = GST_VIDEO_FRAME_COMP_HEIGHT (dest, plane);
frame_width = GST_VIDEO_FRAME_COMP_WIDTH (dest, plane) *
GST_VIDEO_FRAME_COMP_PSTRIDE (dest, plane);
g_assert (interpolate_scanline != NULL);
g_assert (copy_scanline != NULL);
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),plane)) + CLAMP_HI(CLAMP_LOW(i)) * \
GST_VIDEO_FRAME_PLANE_STRIDE((x),plane))
#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
for (i = 0; i < frame_height; i++) {
memset (&scanlines, 0, sizeof (scanlines));
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
if (!((i & 1) ^ scanlines.bottom_field)) {
/* copying */
scanlines.tp = LINE2 (framep, i - 1);
scanlines.bp = LINE2 (framep, i + 1);
scanlines.tt0 = LINE2 (frame0, (i - 2 >= 0) ? i - 2 : i);
scanlines.m0 = LINE2 (frame0, i);
scanlines.bb0 = LINE2 (frame0, (i + 2 < frame_height ? i + 2 : i));
scanlines.t1 = LINE2 (frame1, i - 1);
scanlines.b1 = LINE2 (frame1, i + 1);
scanlines.tt2 = LINE2 (frame2, (i - 2 >= 0) ? i - 2 : i);
scanlines.m2 = LINE2 (frame2, i);
scanlines.bb2 = LINE2 (frame2, (i + 2 < frame_height ? i + 2 : i));
copy_scanline (self, LINE (dest, i), &scanlines, frame_width);
} else {
/* interpolating */
scanlines.ttp = LINE2 (framep, (i - 2 >= 0) ? i - 2 : i);
scanlines.mp = LINE2 (framep, i);
scanlines.bbp = LINE2 (framep, (i + 2 < frame_height ? i + 2 : i));
scanlines.t0 = LINE2 (frame0, i - 1);
scanlines.b0 = LINE2 (frame0, i + 1);
scanlines.tt1 = LINE2 (frame1, (i - 2 >= 0) ? i - 2 : i);
scanlines.m1 = LINE2 (frame1, i);
scanlines.bb1 = LINE2 (frame1, (i + 2 < frame_height ? i + 2 : i));
scanlines.t2 = LINE2 (frame2, i - 1);
scanlines.b2 = LINE2 (frame2, i + 1);
interpolate_scanline (self, LINE (dest, i), &scanlines, frame_width);
}
#undef LINE
#undef LINE2
}
}
static void
gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
method, const GstDeinterlaceField * history, guint history_count,
GstVideoFrame * outframe, gint cur_field_idx)
{
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
const GstVideoFrame *frame0, *frame1, *frame2, *framep;
guint cur_field_flags = history[cur_field_idx].flags;
gint i;
GstDeinterlaceSimpleMethodFunction copy_scanline;
GstDeinterlaceSimpleMethodFunction interpolate_scanline;
g_assert (self->interpolate_scanline_planar[0] != NULL);
g_assert (self->interpolate_scanline_planar[1] != NULL);
g_assert (self->interpolate_scanline_planar[2] != NULL);
g_assert (self->copy_scanline_planar[0] != NULL);
g_assert (self->copy_scanline_planar[1] != NULL);
g_assert (self->copy_scanline_planar[2] != NULL);
for (i = 0; i < 3; i++) {
copy_scanline = self->copy_scanline_planar[i];
interpolate_scanline = self->interpolate_scanline_planar[i];
framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
frame0 = history[cur_field_idx].frame;
g_assert (dm_class->fields_required <= 4);
frame1 =
(cur_field_idx + 1 <
history_count ? history[cur_field_idx + 1].frame : NULL);
frame2 =
(cur_field_idx + 2 <
history_count ? history[cur_field_idx + 2].frame : NULL);
gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
copy_scanline, interpolate_scanline);
}
}
static void
gst_deinterlace_simple_method_deinterlace_frame_nv12 (GstDeinterlaceMethod *
method, const GstDeinterlaceField * history, guint history_count,
GstVideoFrame * outframe, gint cur_field_idx)
{
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
const GstVideoFrame *frame0, *frame1, *frame2, *framep;
guint cur_field_flags = history[cur_field_idx].flags;
gint i;
g_assert (self->interpolate_scanline_packed != NULL);
g_assert (self->copy_scanline_packed != NULL);
for (i = 0; i < 2; i++) {
framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
frame0 = history[cur_field_idx].frame;
g_assert (dm_class->fields_required <= 4);
frame1 =
(cur_field_idx + 1 <
history_count ? history[cur_field_idx + 1].frame : NULL);
frame2 =
(cur_field_idx + 2 <
history_count ? history[cur_field_idx + 2].frame : NULL);
gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
self->copy_scanline_packed, self->interpolate_scanline_packed);
}
}
static void
gst_deinterlace_simple_method_setup (GstDeinterlaceMethod * method,
GstVideoInfo * vinfo)
{
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
GstDeinterlaceSimpleMethodClass *klass =
GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS (self);
GST_DEINTERLACE_METHOD_CLASS
(gst_deinterlace_simple_method_parent_class)->setup (method, vinfo);
self->interpolate_scanline_packed = NULL;
self->copy_scanline_packed = NULL;
self->interpolate_scanline_planar[0] = NULL;
self->interpolate_scanline_planar[1] = NULL;
self->interpolate_scanline_planar[2] = NULL;
self->copy_scanline_planar[0] = NULL;
self->copy_scanline_planar[1] = NULL;
self->copy_scanline_planar[2] = NULL;
if (GST_VIDEO_INFO_FORMAT (vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
return;
switch (GST_VIDEO_INFO_FORMAT (vinfo)) {
case GST_VIDEO_FORMAT_YUY2:
self->interpolate_scanline_packed = klass->interpolate_scanline_yuy2;
self->copy_scanline_packed = klass->copy_scanline_yuy2;
break;
case GST_VIDEO_FORMAT_YVYU:
self->interpolate_scanline_packed = klass->interpolate_scanline_yvyu;
self->copy_scanline_packed = klass->copy_scanline_yvyu;
break;
case GST_VIDEO_FORMAT_UYVY:
self->interpolate_scanline_packed = klass->interpolate_scanline_uyvy;
self->copy_scanline_packed = klass->copy_scanline_uyvy;
break;
case GST_VIDEO_FORMAT_AYUV:
self->interpolate_scanline_packed = klass->interpolate_scanline_ayuv;
self->copy_scanline_packed = klass->copy_scanline_ayuv;
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_xRGB:
self->interpolate_scanline_packed = klass->interpolate_scanline_argb;
self->copy_scanline_packed = klass->copy_scanline_argb;
break;
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_xBGR:
self->interpolate_scanline_packed = klass->interpolate_scanline_abgr;
self->copy_scanline_packed = klass->copy_scanline_abgr;
break;
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGBx:
self->interpolate_scanline_packed = klass->interpolate_scanline_rgba;
self->copy_scanline_packed = klass->copy_scanline_rgba;
break;
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_BGRx:
self->interpolate_scanline_packed = klass->interpolate_scanline_bgra;
self->copy_scanline_packed = klass->copy_scanline_bgra;
break;
case GST_VIDEO_FORMAT_RGB:
self->interpolate_scanline_packed = klass->interpolate_scanline_rgb;
self->copy_scanline_packed = klass->copy_scanline_rgb;
break;
case GST_VIDEO_FORMAT_BGR:
self->interpolate_scanline_packed = klass->interpolate_scanline_bgr;
self->copy_scanline_packed = klass->copy_scanline_bgr;
break;
case GST_VIDEO_FORMAT_NV12:
self->interpolate_scanline_packed = klass->interpolate_scanline_nv12;
self->copy_scanline_packed = klass->copy_scanline_nv12;
break;
case GST_VIDEO_FORMAT_NV21:
self->interpolate_scanline_packed = klass->interpolate_scanline_nv21;
self->copy_scanline_packed = klass->copy_scanline_nv21;
break;
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y41B:
self->interpolate_scanline_planar[0] =
klass->interpolate_scanline_planar_y;
self->copy_scanline_planar[0] = klass->copy_scanline_planar_y;
self->interpolate_scanline_planar[1] =
klass->interpolate_scanline_planar_u;
self->copy_scanline_planar[1] = klass->copy_scanline_planar_u;
self->interpolate_scanline_planar[2] =
klass->interpolate_scanline_planar_v;
self->copy_scanline_planar[2] = klass->copy_scanline_planar_v;
break;
default:
break;
}
}
static void
gst_deinterlace_simple_method_class_init (GstDeinterlaceSimpleMethodClass
* klass)
{
GstDeinterlaceMethodClass *dm_class = (GstDeinterlaceMethodClass *) klass;
dm_class->deinterlace_frame_ayuv =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_yuy2 =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_yvyu =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_uyvy =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_argb =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_abgr =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_rgba =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_bgra =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_rgb =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_bgr =
gst_deinterlace_simple_method_deinterlace_frame_packed;
dm_class->deinterlace_frame_i420 =
gst_deinterlace_simple_method_deinterlace_frame_planar;
dm_class->deinterlace_frame_yv12 =
gst_deinterlace_simple_method_deinterlace_frame_planar;
dm_class->deinterlace_frame_y444 =
gst_deinterlace_simple_method_deinterlace_frame_planar;
dm_class->deinterlace_frame_y42b =
gst_deinterlace_simple_method_deinterlace_frame_planar;
dm_class->deinterlace_frame_y41b =
gst_deinterlace_simple_method_deinterlace_frame_planar;
dm_class->deinterlace_frame_nv12 =
gst_deinterlace_simple_method_deinterlace_frame_nv12;
dm_class->deinterlace_frame_nv21 =
gst_deinterlace_simple_method_deinterlace_frame_nv12;
dm_class->fields_required = 2;
dm_class->setup = gst_deinterlace_simple_method_setup;
dm_class->supported = gst_deinterlace_simple_method_supported;
klass->interpolate_scanline_yuy2 =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_yuy2 =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_yvyu =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_yvyu =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_ayuv =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_ayuv =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_uyvy =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_uyvy =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_nv12 =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_nv12 =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_argb =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_argb =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_abgr =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_abgr =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_rgba =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_rgba =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_bgra =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_bgra =
gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_rgb =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_rgb = gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_bgr =
gst_deinterlace_simple_method_interpolate_scanline_packed;
klass->copy_scanline_bgr = gst_deinterlace_simple_method_copy_scanline_packed;
klass->interpolate_scanline_planar_y =
gst_deinterlace_simple_method_interpolate_scanline_planar_y;
klass->copy_scanline_planar_y =
gst_deinterlace_simple_method_copy_scanline_planar_y;
klass->interpolate_scanline_planar_u =
gst_deinterlace_simple_method_interpolate_scanline_planar_u;
klass->copy_scanline_planar_u =
gst_deinterlace_simple_method_copy_scanline_planar_u;
klass->interpolate_scanline_planar_v =
gst_deinterlace_simple_method_interpolate_scanline_planar_v;
klass->copy_scanline_planar_v =
gst_deinterlace_simple_method_copy_scanline_planar_v;
}
static void
gst_deinterlace_simple_method_init (GstDeinterlaceSimpleMethod * self)
{
}
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