mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 19:50:40 +00:00
843 lines
28 KiB
C
843 lines
28 KiB
C
/*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, 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_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,
|
|
GstVideoFormat format, gint width, gint height)
|
|
{
|
|
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
|
|
|
klass->setup (self, format, width, height);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self,
|
|
GstVideoFormat format, gint width, gint height)
|
|
{
|
|
gint i;
|
|
GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
|
|
|
self->format = format;
|
|
self->frame_width = width;
|
|
self->frame_height = height;
|
|
|
|
self->deinterlace_frame = NULL;
|
|
|
|
if (format == GST_VIDEO_FORMAT_UNKNOWN)
|
|
return;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
self->width[i] = gst_video_format_get_component_width (format, i, width);
|
|
self->height[i] = gst_video_format_get_component_height (format, i, height);
|
|
self->offset[i] =
|
|
gst_video_format_get_component_offset (format, i, width, height);
|
|
self->row_stride[i] = gst_video_format_get_row_stride (format, i, width);
|
|
self->pixel_stride[i] = gst_video_format_get_pixel_stride (format, i);
|
|
}
|
|
|
|
switch (format) {
|
|
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_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->format = GST_VIDEO_FORMAT_UNKNOWN;
|
|
}
|
|
|
|
void
|
|
gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self,
|
|
const GstDeinterlaceField * history, guint history_count,
|
|
GstBuffer * outbuf)
|
|
{
|
|
g_assert (self->deinterlace_frame != NULL);
|
|
self->deinterlace_frame (self, history, history_count, outbuf);
|
|
}
|
|
|
|
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_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)
|
|
{
|
|
memcpy (out, scanlines->m1, self->parent.row_stride[0]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_copy_scanline_packed (GstDeinterlaceSimpleMethod *
|
|
self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m0, self->parent.row_stride[0]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
|
|
method, const GstDeinterlaceField * history, guint history_count,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
|
|
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
|
GstDeinterlaceScanlineData scanlines;
|
|
guint8 *out = GST_BUFFER_DATA (outbuf);
|
|
const guint8 *field0 = NULL, *field1 = NULL, *field2 = NULL, *field3 = NULL;
|
|
gint cur_field_idx = history_count - dm_class->fields_required;
|
|
guint cur_field_flags = history[cur_field_idx].flags;
|
|
gint line;
|
|
gint field_height = self->parent.frame_height / 2;
|
|
gint row_stride = self->parent.row_stride[0];
|
|
gint field_stride = self->parent.row_stride[0] * 2;
|
|
|
|
g_assert (self->interpolate_scanline_packed != NULL);
|
|
g_assert (self->copy_scanline_packed != NULL);
|
|
|
|
field0 = GST_BUFFER_DATA (history[cur_field_idx].buf);
|
|
if (history[cur_field_idx].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field0 += row_stride;
|
|
|
|
g_assert (dm_class->fields_required <= 4);
|
|
|
|
if (dm_class->fields_required >= 2) {
|
|
field1 = GST_BUFFER_DATA (history[cur_field_idx + 1].buf);
|
|
if (history[cur_field_idx + 1].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field1 += row_stride;
|
|
}
|
|
|
|
if (dm_class->fields_required >= 3) {
|
|
field2 = GST_BUFFER_DATA (history[cur_field_idx + 2].buf);
|
|
if (history[cur_field_idx + 2].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field2 += row_stride;
|
|
}
|
|
|
|
if (dm_class->fields_required >= 4) {
|
|
field3 = GST_BUFFER_DATA (history[cur_field_idx + 3].buf);
|
|
if (history[cur_field_idx + 3].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field3 += row_stride;
|
|
}
|
|
|
|
if (cur_field_flags == PICTURE_INTERLACED_BOTTOM) {
|
|
/* double the first scanline of the bottom field */
|
|
memcpy (out, field0, row_stride);
|
|
out += row_stride;
|
|
}
|
|
|
|
memcpy (out, field0, row_stride);
|
|
out += row_stride;
|
|
|
|
for (line = 2; line <= field_height; line++) {
|
|
|
|
memset (&scanlines, 0, sizeof (scanlines));
|
|
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
|
|
|
|
/* interp. scanline */
|
|
scanlines.t0 = field0;
|
|
scanlines.b0 = field0 + field_stride;
|
|
|
|
if (field1 != NULL) {
|
|
scanlines.tt1 = field1;
|
|
scanlines.m1 = field1 + field_stride;
|
|
scanlines.bb1 = field1 + field_stride * 2;
|
|
field1 += field_stride;
|
|
}
|
|
|
|
if (field2 != NULL) {
|
|
scanlines.t2 = field2;
|
|
scanlines.b2 = field2 + field_stride;
|
|
}
|
|
|
|
if (field3 != NULL) {
|
|
scanlines.tt3 = field3;
|
|
scanlines.m3 = field3 + field_stride;
|
|
scanlines.bb3 = field3 + field_stride * 2;
|
|
field3 += field_stride;
|
|
}
|
|
|
|
/* set valid data for corner cases */
|
|
if (line == 2) {
|
|
scanlines.tt1 = scanlines.bb1;
|
|
scanlines.tt3 = scanlines.bb3;
|
|
} else if (line == field_height) {
|
|
scanlines.bb1 = scanlines.tt1;
|
|
scanlines.bb3 = scanlines.tt3;
|
|
}
|
|
|
|
self->interpolate_scanline_packed (self, out, &scanlines);
|
|
out += row_stride;
|
|
|
|
memset (&scanlines, 0, sizeof (scanlines));
|
|
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
|
|
|
|
/* copy a scanline */
|
|
scanlines.tt0 = field0;
|
|
scanlines.m0 = field0 + field_stride;
|
|
scanlines.bb0 = field0 + field_stride * 2;
|
|
field0 += field_stride;
|
|
|
|
if (field1 != NULL) {
|
|
scanlines.t1 = field1;
|
|
scanlines.b1 = field1 + field_stride;
|
|
}
|
|
|
|
if (field2 != NULL) {
|
|
scanlines.tt2 = field2;
|
|
scanlines.m2 = field2 + field_stride;
|
|
scanlines.bb2 = field2 + field_stride * 2;
|
|
field2 += field_stride;
|
|
}
|
|
|
|
if (field3 != NULL) {
|
|
scanlines.t3 = field3;
|
|
scanlines.b3 = field3 + field_stride;
|
|
}
|
|
|
|
/* set valid data for corner cases */
|
|
if (line == field_height) {
|
|
scanlines.bb0 = scanlines.tt0;
|
|
scanlines.b1 = scanlines.t1;
|
|
scanlines.bb2 = scanlines.tt2;
|
|
scanlines.b3 = scanlines.t3;
|
|
}
|
|
|
|
self->copy_scanline_packed (self, out, &scanlines);
|
|
out += row_stride;
|
|
}
|
|
|
|
if (cur_field_flags == PICTURE_INTERLACED_TOP) {
|
|
/* double the last scanline of the top field */
|
|
memcpy (out, field0, row_stride);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_interpolate_scanline_planar_y
|
|
(GstDeinterlaceSimpleMethod * self, guint8 * out,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m1, self->parent.row_stride[0]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_copy_scanline_planar_y (GstDeinterlaceSimpleMethod
|
|
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m0, self->parent.row_stride[0]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_interpolate_scanline_planar_u
|
|
(GstDeinterlaceSimpleMethod * self, guint8 * out,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m1, self->parent.row_stride[1]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_copy_scanline_planar_u (GstDeinterlaceSimpleMethod
|
|
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m0, self->parent.row_stride[1]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_interpolate_scanline_planar_v
|
|
(GstDeinterlaceSimpleMethod * self, guint8 * out,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m1, self->parent.row_stride[2]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_copy_scanline_planar_v (GstDeinterlaceSimpleMethod
|
|
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
memcpy (out, scanlines->m0, self->parent.row_stride[2]);
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_deinterlace_frame_planar_plane
|
|
(GstDeinterlaceSimpleMethod * self, guint8 * out, const guint8 * field0,
|
|
const guint8 * field1, const guint8 * field2, const guint8 * field3,
|
|
guint cur_field_flags,
|
|
gint plane, GstDeinterlaceSimpleMethodFunction copy_scanline,
|
|
GstDeinterlaceSimpleMethodFunction interpolate_scanline)
|
|
{
|
|
GstDeinterlaceScanlineData scanlines;
|
|
gint line;
|
|
gint field_height = self->parent.height[plane] / 2;
|
|
gint row_stride = self->parent.row_stride[plane];
|
|
gint field_stride = self->parent.row_stride[plane] * 2;
|
|
|
|
g_assert (interpolate_scanline != NULL);
|
|
g_assert (copy_scanline != NULL);
|
|
|
|
if (cur_field_flags == PICTURE_INTERLACED_BOTTOM) {
|
|
/* double the first scanline of the bottom field */
|
|
memcpy (out, field0, row_stride);
|
|
out += row_stride;
|
|
}
|
|
|
|
memcpy (out, field0, row_stride);
|
|
out += row_stride;
|
|
|
|
for (line = 2; line <= field_height; line++) {
|
|
|
|
memset (&scanlines, 0, sizeof (scanlines));
|
|
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
|
|
|
|
/* interp. scanline */
|
|
scanlines.t0 = field0;
|
|
scanlines.b0 = field0 + field_stride;
|
|
|
|
if (field1 != NULL) {
|
|
scanlines.tt1 = field1;
|
|
scanlines.m1 = field1 + field_stride;
|
|
scanlines.bb1 = field1 + field_stride * 2;
|
|
field1 += field_stride;
|
|
}
|
|
|
|
if (field2 != NULL) {
|
|
scanlines.t2 = field2;
|
|
scanlines.b2 = field2 + field_stride;
|
|
}
|
|
|
|
if (field3 != NULL) {
|
|
scanlines.tt3 = field3;
|
|
scanlines.m3 = field3 + field_stride;
|
|
scanlines.bb3 = field3 + field_stride * 2;
|
|
field3 += field_stride;
|
|
}
|
|
|
|
/* set valid data for corner cases */
|
|
if (line == 2) {
|
|
scanlines.tt1 = scanlines.bb1;
|
|
scanlines.tt3 = scanlines.bb3;
|
|
} else if (line == field_height) {
|
|
scanlines.bb1 = scanlines.tt1;
|
|
scanlines.bb3 = scanlines.tt3;
|
|
}
|
|
|
|
interpolate_scanline (self, out, &scanlines);
|
|
out += row_stride;
|
|
|
|
memset (&scanlines, 0, sizeof (scanlines));
|
|
scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
|
|
|
|
/* copy a scanline */
|
|
scanlines.tt0 = field0;
|
|
scanlines.m0 = field0 + field_stride;
|
|
scanlines.bb0 = field0 + field_stride * 2;
|
|
field0 += field_stride;
|
|
|
|
if (field1 != NULL) {
|
|
scanlines.t1 = field1;
|
|
scanlines.b1 = field1 + field_stride;
|
|
}
|
|
|
|
if (field2 != NULL) {
|
|
scanlines.tt2 = field2;
|
|
scanlines.m2 = field2 + field_stride;
|
|
scanlines.bb2 = field2 + field_stride * 2;
|
|
field2 += field_stride;
|
|
}
|
|
|
|
if (field3 != NULL) {
|
|
scanlines.t3 = field3;
|
|
scanlines.b3 = field3 + field_stride;
|
|
}
|
|
|
|
/* set valid data for corner cases */
|
|
if (line == field_height) {
|
|
scanlines.bb0 = scanlines.tt0;
|
|
scanlines.b1 = scanlines.t1;
|
|
scanlines.bb2 = scanlines.tt2;
|
|
scanlines.b3 = scanlines.t3;
|
|
}
|
|
|
|
copy_scanline (self, out, &scanlines);
|
|
out += row_stride;
|
|
}
|
|
|
|
if (cur_field_flags == PICTURE_INTERLACED_TOP) {
|
|
/* double the last scanline of the top field */
|
|
memcpy (out, field0, row_stride);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
|
|
method, const GstDeinterlaceField * history, guint history_count,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
|
|
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
|
guint8 *out;
|
|
const guint8 *field0 = NULL, *field1 = NULL, *field2 = NULL, *field3 = NULL;
|
|
gint cur_field_idx = history_count - dm_class->fields_required;
|
|
guint cur_field_flags = history[cur_field_idx].flags;
|
|
gint i, row_stride, offset;
|
|
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++) {
|
|
row_stride = self->parent.row_stride[i];
|
|
offset = self->parent.offset[i];
|
|
copy_scanline = self->copy_scanline_planar[i];
|
|
interpolate_scanline = self->interpolate_scanline_planar[i];
|
|
|
|
out = GST_BUFFER_DATA (outbuf) + offset;
|
|
|
|
field0 = GST_BUFFER_DATA (history[cur_field_idx].buf) + offset;
|
|
if (history[cur_field_idx].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field0 += row_stride;
|
|
|
|
g_assert (dm_class->fields_required <= 4);
|
|
|
|
if (dm_class->fields_required >= 2) {
|
|
field1 = GST_BUFFER_DATA (history[cur_field_idx + 1].buf) + offset;
|
|
if (history[cur_field_idx + 1].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field1 += row_stride;
|
|
}
|
|
|
|
if (dm_class->fields_required >= 3) {
|
|
field2 = GST_BUFFER_DATA (history[cur_field_idx + 2].buf) + offset;
|
|
if (history[cur_field_idx + 2].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field2 += row_stride;
|
|
}
|
|
|
|
if (dm_class->fields_required >= 4) {
|
|
field3 = GST_BUFFER_DATA (history[cur_field_idx + 3].buf) + offset;
|
|
if (history[cur_field_idx + 3].flags & PICTURE_INTERLACED_BOTTOM)
|
|
field3 += row_stride;
|
|
}
|
|
|
|
gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self, out,
|
|
field0, field1, field2, field3, cur_field_flags, i, copy_scanline,
|
|
interpolate_scanline);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_simple_method_setup (GstDeinterlaceMethod * method,
|
|
GstVideoFormat format, gint width, gint height)
|
|
{
|
|
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, format,
|
|
width, height);
|
|
|
|
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 (format == GST_VIDEO_FORMAT_UNKNOWN)
|
|
return;
|
|
|
|
switch (format) {
|
|
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_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->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_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)
|
|
{
|
|
}
|