mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-17 11:45:25 +00:00
invtelecine: Remove in favor of fieldanalysis
This commit is contained in:
David Schleef
parent
bd30c28315
commit
48d5fc3c4b
3 changed files with 0 additions and 998 deletions
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@ -322,7 +322,6 @@ AG_GST_CHECK_PLUGIN(hdvparse)
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AG_GST_CHECK_PLUGIN(hls)
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AG_GST_CHECK_PLUGIN(id3tag)
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AG_GST_CHECK_PLUGIN(interlace)
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AG_GST_CHECK_PLUGIN(invtelecine)
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AG_GST_CHECK_PLUGIN(ivfparse)
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AG_GST_CHECK_PLUGIN(jp2kdecimator)
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AG_GST_CHECK_PLUGIN(jpegformat)
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@ -1873,7 +1872,6 @@ gst/hdvparse/Makefile
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gst/hls/Makefile
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gst/id3tag/Makefile
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gst/interlace/Makefile
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gst/invtelecine/Makefile
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gst/ivfparse/Makefile
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gst/jp2kdecimator/Makefile
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gst/jpegformat/Makefile
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@ -1,30 +0,0 @@
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plugin_LTLIBRARIES = libgstinvtelecine.la
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libgstinvtelecine_la_SOURCES = \
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gstinvtelecine.c
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libgstinvtelecine_la_CFLAGS = \
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$(GST_CFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS)
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libgstinvtelecine_la_LIBADD = \
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$(GST_LIBS) \
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$(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@ \
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$(LIBM)
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libgstinvtelecine_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstinvtelecine_la_LIBTOOLFLAGS = --tag=disable-static
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Android.mk: Makefile.am $(BUILT_SOURCES)
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androgenizer \
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-:PROJECT libgstinvtelecine -:SHARED libgstinvtelecine \
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-:TAGS eng debug \
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-:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
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-:SOURCES $(libgstinvtelecine_la_SOURCES) \
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-:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstinvtelecine_la_CFLAGS) \
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-:LDFLAGS $(libgstinvtelecine_la_LDFLAGS) \
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$(libgstinvtelecine_la_LIBADD) \
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-ldl \
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-:PASSTHROUGH LOCAL_ARM_MODE:=arm \
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LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
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> $@
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@ -1,966 +0,0 @@
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/* GStreamer
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* Copyright (C) 2010 David A. Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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GST_DEBUG_CATEGORY (gst_invtelecine_debug);
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#define GST_CAT_DEFAULT gst_invtelecine_debug
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#define GST_TYPE_INVTELECINE \
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(gst_invtelecine_get_type())
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#define GST_INVTELECINE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INVTELECINE,GstInvtelecine))
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#define GST_INVTELECINE_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INVTELECINE,GstInvtelecineClass))
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#define GST_IS_GST_INVTELECINE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INVTELECINE))
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#define GST_IS_GST_INVTELECINE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INVTELECINE))
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typedef struct _GstInvtelecine GstInvtelecine;
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typedef struct _GstInvtelecineClass GstInvtelecineClass;
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typedef struct _Field Field;
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#define FIFO_SIZE 20
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struct _Field
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{
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GstBuffer *buffer;
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int field_index;
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double prev;
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double prev1;
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double prev2;
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double prev3;
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};
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struct _GstInvtelecine
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{
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GstElement element;
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GstPad *srcpad;
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GstPad *sinkpad;
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/* properties */
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gboolean verify_field_flags;
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/* state */
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int next_field;
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int num_fields;
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int field;
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gboolean locked;
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int last_lock;
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int phase;
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Field fifo[FIFO_SIZE];
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int width;
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int height;
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GstVideoFormat format;
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gboolean interlaced;
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double bad_flag_metric;
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};
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struct _GstInvtelecineClass
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{
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GstElementClass element_class;
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};
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enum
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{
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ARG_0,
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PROP_VERIFY_FIELD_FLAGS
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};
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static GstStaticPadTemplate gst_invtelecine_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{YUY2,UYVY,I420,YV12}")
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)
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);
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static GstStaticPadTemplate gst_invtelecine_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{YUY2,UYVY,I420,YV12}")
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)
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);
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static void gst_invtelecine_base_init (gpointer g_class);
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static void gst_invtelecine_class_init (GstInvtelecineClass * klass);
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static void gst_invtelecine_init (GstInvtelecine * invtelecine);
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static GstFlowReturn gst_invtelecine_chain (GstPad * pad, GstBuffer * buffer);
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static void gst_invtelecine_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_invtelecine_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static gboolean gst_invtelecine_setcaps (GstPad * pad, GstCaps * caps);
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static GstStateChangeReturn gst_invtelecine_change_state (GstElement * element,
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GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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static GstFlowReturn
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gst_invtelecine_output_fields (GstInvtelecine * invtelecine, int num_fields);
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static GType
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gst_invtelecine_get_type (void)
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{
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static GType invtelecine_type = 0;
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if (!invtelecine_type) {
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static const GTypeInfo invtelecine_info = {
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sizeof (GstInvtelecineClass),
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gst_invtelecine_base_init,
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NULL,
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(GClassInitFunc) gst_invtelecine_class_init,
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NULL,
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NULL,
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sizeof (GstInvtelecine),
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0,
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(GInstanceInitFunc) gst_invtelecine_init,
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};
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invtelecine_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstInvtelecine", &invtelecine_info, 0);
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}
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return invtelecine_type;
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}
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static void
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gst_invtelecine_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details_simple (element_class,
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"Inverse Telecine filter", "Filter/Video",
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"Detects and reconstructs progressive content from telecine video",
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"Entropy Wave <ds@entropywave.com>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_invtelecine_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_invtelecine_src_template));
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}
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static void
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gst_invtelecine_class_init (GstInvtelecineClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->set_property = gst_invtelecine_set_property;
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object_class->get_property = gst_invtelecine_get_property;
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element_class->change_state = gst_invtelecine_change_state;
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g_object_class_install_property (object_class, PROP_VERIFY_FIELD_FLAGS,
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g_param_spec_boolean ("verify-field-flags", "verify field flags",
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"Verify that field dominance (top/bottom field first) buffer "
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"flags are correct", FALSE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_invtelecine_init (GstInvtelecine * invtelecine)
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{
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GST_DEBUG ("gst_invtelecine_init");
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invtelecine->sinkpad =
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gst_pad_new_from_static_template (&gst_invtelecine_sink_template, "sink");
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gst_element_add_pad (GST_ELEMENT (invtelecine), invtelecine->sinkpad);
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gst_pad_set_chain_function (invtelecine->sinkpad, gst_invtelecine_chain);
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gst_pad_set_setcaps_function (invtelecine->sinkpad, gst_invtelecine_setcaps);
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invtelecine->srcpad =
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gst_pad_new_from_static_template (&gst_invtelecine_src_template, "src");
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gst_element_add_pad (GST_ELEMENT (invtelecine), invtelecine->srcpad);
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invtelecine->bad_flag_metric = 1.0;
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invtelecine->verify_field_flags = FALSE;
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}
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static gboolean
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gst_invtelecine_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstInvtelecine *invtelecine;
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gboolean ret;
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int width, height;
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GstVideoFormat format;
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gboolean interlaced = TRUE;
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int fps_n, fps_d;
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invtelecine = GST_INVTELECINE (gst_pad_get_parent (pad));
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ret = gst_video_format_parse_caps (caps, &format, &width, &height);
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gst_video_format_parse_caps_interlaced (caps, &interlaced);
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ret &= gst_video_parse_caps_framerate (caps, &fps_n, &fps_d);
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if (ret) {
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GstCaps *srccaps = gst_caps_copy (caps);
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ret = gst_pad_set_caps (invtelecine->srcpad, srccaps);
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}
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if (ret) {
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invtelecine->format = format;
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invtelecine->width = width;
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invtelecine->height = height;
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invtelecine->interlaced = interlaced;
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}
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g_object_unref (invtelecine);
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return ret;
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}
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#define MAX_FIELD_SCORE 100
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static double
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gst_invtelecine_compare_fields (GstInvtelecine * invtelecine, int field1,
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int field2)
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{
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int i;
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int j;
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guint8 *data1;
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guint8 *data2_1;
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guint8 *data2_2;
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int field_index;
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int have;
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int vave;
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int hdiff;
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int vdiff;
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double sum;
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double linesum;
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double den;
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if (field1 < 0 || field2 < 0)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == NULL ||
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invtelecine->fifo[field2].buffer == NULL)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == invtelecine->fifo[field2].buffer &&
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invtelecine->fifo[field1].field_index ==
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invtelecine->fifo[field2].field_index) {
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return 0;
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}
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sum = 0;
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field_index = invtelecine->fifo[field1].field_index;
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for (j = field_index; j < invtelecine->height; j += 2) {
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if (j == 0 || j == invtelecine->height - 1)
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continue;
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if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
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invtelecine->format == GST_VIDEO_FORMAT_YV12) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * j;
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data2_1 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j - 1);
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data2_2 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + 1);
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/* planar 4:2:0 */
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linesum = 0;
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for (i = 1; i < invtelecine->width - 1; i++) {
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have = data1[i - 1] + data1[i + 1];
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hdiff = abs (data1[i - 1] - data1[i + 1]);
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vave = data2_1[i] + data2_2[i];
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vdiff = abs (data2_1[i] - data2_2[i]);
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den = MAX (1, MAX (hdiff, vdiff));
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linesum += (have - vave) * (have - vave) / (den * den);
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}
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} else {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * 2 * j;
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data2_1 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j - 1);
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data2_2 =
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GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * 2 * (j + 1);
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if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
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data1++;
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data2_1++;
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data2_2++;
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}
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/* packed 4:2:2 */
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linesum = 0;
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for (i = 1; i < invtelecine->width - 1; i++) {
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have = data1[(i - 1) * 2] + data1[(i + 1) * 2];
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hdiff = abs (data1[(i - 1) * 2] - data1[(i + 1) * 2]);
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vave = data2_1[i * 2] + data2_2[i * 2];
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vdiff = abs (data2_1[i * 2] - data2_2[i * 2]);
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den = MAX (1, MAX (hdiff, vdiff));
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linesum += (have - vave) * (have - vave) / (den * den);
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}
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}
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sum += linesum;
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}
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sum /= (invtelecine->width * invtelecine->height / 2);
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return MIN (sum, MAX_FIELD_SCORE);
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}
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static double
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gst_invtelecine_compare_fields_mse (GstInvtelecine * invtelecine, int field1,
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int field2)
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{
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int i;
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int j;
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guint8 *data1;
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guint8 *data2;
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int field_index1;
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int field_index2;
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int diff;
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double sum;
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double linesum;
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if (field1 < 0 || field2 < 0)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == NULL ||
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invtelecine->fifo[field2].buffer == NULL)
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return MAX_FIELD_SCORE;
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if (invtelecine->fifo[field1].buffer == invtelecine->fifo[field2].buffer &&
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invtelecine->fifo[field1].field_index ==
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invtelecine->fifo[field2].field_index) {
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return 0;
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}
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sum = 0;
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field_index1 = invtelecine->fifo[field1].field_index;
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field_index2 = invtelecine->fifo[field2].field_index;
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if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
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invtelecine->format == GST_VIDEO_FORMAT_YV12) {
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for (j = 0; j < invtelecine->height; j += 2) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * (j + field_index1);
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data2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
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invtelecine->width * (j + field_index2);
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linesum = 0;
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for (i = 0; i < invtelecine->width; i++) {
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diff = (data1[i] - data2[i]);
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linesum += diff * diff;
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}
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sum += linesum;
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}
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} else {
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for (j = 0; j < invtelecine->height; j += 2) {
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data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
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invtelecine->width * 2 * (j + field_index1);
|
||||
data2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
|
||||
invtelecine->width * 2 * (j + field_index2);
|
||||
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
|
||||
data1++;
|
||||
data2++;
|
||||
}
|
||||
|
||||
linesum = 0;
|
||||
for (i = 0; i < invtelecine->width; i++) {
|
||||
diff = (data1[i * 2] - data2[i * 2]);
|
||||
linesum += diff * diff;
|
||||
}
|
||||
sum += linesum;
|
||||
}
|
||||
}
|
||||
|
||||
sum /= invtelecine->width * invtelecine->height / 2;
|
||||
|
||||
//return MIN (sum, MAX_FIELD_SCORE);
|
||||
return sum;
|
||||
}
|
||||
|
||||
static double
|
||||
gst_invtelecine_compare_fields_mse_ave (GstInvtelecine * invtelecine,
|
||||
int field1, int field2)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
guint8 *data1;
|
||||
guint8 *data2_1;
|
||||
guint8 *data2_2;
|
||||
int field_index1;
|
||||
int field_index2 G_GNUC_UNUSED; /* FIXME: should it be used? */
|
||||
double diff;
|
||||
double sum;
|
||||
double linesum;
|
||||
|
||||
#define MAX_FIELD_SCORE_2 1e9
|
||||
if (field1 < 0 || field2 < 0)
|
||||
return MAX_FIELD_SCORE_2;
|
||||
if (invtelecine->fifo[field1].buffer == NULL ||
|
||||
invtelecine->fifo[field2].buffer == NULL)
|
||||
return MAX_FIELD_SCORE_2;
|
||||
if (invtelecine->fifo[field1].buffer == invtelecine->fifo[field2].buffer &&
|
||||
invtelecine->fifo[field1].field_index ==
|
||||
invtelecine->fifo[field2].field_index) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
sum = 0;
|
||||
field_index1 = invtelecine->fifo[field1].field_index;
|
||||
field_index2 = invtelecine->fifo[field2].field_index;
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
|
||||
invtelecine->format == GST_VIDEO_FORMAT_YV12) {
|
||||
for (j = 0; j < invtelecine->height; j += 2) {
|
||||
if (j + field_index1 == 0 || j + field_index1 == invtelecine->height - 1)
|
||||
continue;
|
||||
|
||||
data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
|
||||
invtelecine->width * (j + field_index1);
|
||||
data2_1 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
|
||||
invtelecine->width * (j + field_index1 - 1);
|
||||
data2_2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
|
||||
invtelecine->width * (j + field_index1 + 1);
|
||||
|
||||
linesum = 0;
|
||||
for (i = 0; i < invtelecine->width; i++) {
|
||||
diff = (data1[i] - (data2_1[i] + data2_2[i]) / 2);
|
||||
diff *= diff;
|
||||
linesum += diff * diff;
|
||||
}
|
||||
sum += linesum;
|
||||
}
|
||||
} else {
|
||||
for (j = 0; j < invtelecine->height; j += 2) {
|
||||
if (j + field_index1 == 0 || j + field_index1 == invtelecine->height - 1)
|
||||
continue;
|
||||
|
||||
data1 = GST_BUFFER_DATA (invtelecine->fifo[field1].buffer) +
|
||||
invtelecine->width * 2 * (j + field_index1);
|
||||
data2_1 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
|
||||
invtelecine->width * 2 * (j + field_index1 - 1);
|
||||
data2_2 = GST_BUFFER_DATA (invtelecine->fifo[field2].buffer) +
|
||||
invtelecine->width * 2 * (j + field_index1 + 1);
|
||||
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_UYVY) {
|
||||
data1++;
|
||||
data2_1++;
|
||||
data2_2++;
|
||||
}
|
||||
|
||||
linesum = 0;
|
||||
for (i = 0; i < invtelecine->width; i++) {
|
||||
diff = (data1[i] - (data2_1[i] + data2_2[i]) / 2);
|
||||
diff *= diff;
|
||||
linesum += diff * diff;
|
||||
}
|
||||
sum += linesum;
|
||||
}
|
||||
}
|
||||
|
||||
sum /= invtelecine->width * (invtelecine->height / 2 - 1);
|
||||
|
||||
g_assert (sum > 0);
|
||||
|
||||
//return MIN (sum, MAX_FIELD_SCORE);
|
||||
return sqrt (sum);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_invtelecine_push_field (GstInvtelecine * invtelecine, GstBuffer * buffer,
|
||||
int field_index)
|
||||
{
|
||||
int i;
|
||||
|
||||
g_assert (invtelecine->num_fields < FIFO_SIZE - 1);
|
||||
g_assert (invtelecine->num_fields >= 0);
|
||||
|
||||
i = invtelecine->num_fields;
|
||||
invtelecine->num_fields++;
|
||||
GST_DEBUG ("ref %p", buffer);
|
||||
invtelecine->fifo[i].buffer = gst_buffer_ref (buffer);
|
||||
invtelecine->fifo[i].field_index = field_index;
|
||||
invtelecine->fifo[i].prev =
|
||||
gst_invtelecine_compare_fields (invtelecine, i, i - 1);
|
||||
invtelecine->fifo[i].prev2 =
|
||||
gst_invtelecine_compare_fields_mse (invtelecine, i, i - 2);
|
||||
|
||||
if (invtelecine->verify_field_flags) {
|
||||
invtelecine->fifo[i].prev3 =
|
||||
gst_invtelecine_compare_fields_mse_ave (invtelecine, i, i - 3);
|
||||
invtelecine->fifo[i].prev1 =
|
||||
gst_invtelecine_compare_fields_mse_ave (invtelecine, i, i - 1);
|
||||
|
||||
#define ALPHA 0.2
|
||||
if (invtelecine->fifo[i].prev3 != 0) {
|
||||
invtelecine->bad_flag_metric *= (1 - ALPHA);
|
||||
invtelecine->bad_flag_metric +=
|
||||
ALPHA * (invtelecine->fifo[i].prev1 / invtelecine->fifo[i].prev3);
|
||||
}
|
||||
#if 0
|
||||
g_print ("42 %g %g %g\n", invtelecine->bad_flag_metric,
|
||||
invtelecine->fifo[i].prev1, invtelecine->fifo[i].prev3);
|
||||
#endif
|
||||
|
||||
if (invtelecine->bad_flag_metric > 1.2) {
|
||||
GST_WARNING ("bad field flags? metric %g > 1.2",
|
||||
invtelecine->bad_flag_metric);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
int pulldown_2_3[] = { 2, 3 };
|
||||
|
||||
typedef struct _PulldownFormat PulldownFormat;
|
||||
struct _PulldownFormat
|
||||
{
|
||||
const char *name;
|
||||
int cycle_length;
|
||||
int n_fields[10];
|
||||
};
|
||||
|
||||
static const PulldownFormat formats[] = {
|
||||
/* interlaced */
|
||||
{"interlaced", 1, {1}},
|
||||
/* 30p */
|
||||
{"2:2", 2, {2}},
|
||||
/* 24p */
|
||||
{"3:2", 5, {2, 3,}},
|
||||
};
|
||||
|
||||
static int
|
||||
get_score_2 (GstInvtelecine * invtelecine, int format_index, int phase)
|
||||
{
|
||||
const PulldownFormat *format = formats + format_index;
|
||||
int field_index;
|
||||
int k;
|
||||
int i;
|
||||
int score;
|
||||
|
||||
GST_DEBUG ("score2 format_index %d phase %d", format_index, phase);
|
||||
|
||||
phase = (invtelecine->field + phase) % format->cycle_length;
|
||||
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= format->n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (format->n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
/* k is the frame index in the format */
|
||||
/* field_index is the field index in the frame */
|
||||
|
||||
score = 0;
|
||||
for (i = 0; i < 15; i++) {
|
||||
if (field_index == 0) {
|
||||
if (invtelecine->fifo[i].prev > 50) {
|
||||
/* Strong picture change signal */
|
||||
score++;
|
||||
}
|
||||
} else {
|
||||
if (invtelecine->fifo[i].prev > 50) {
|
||||
/* A secondary field with visible combing */
|
||||
score -= 5;
|
||||
} else if (field_index == 1) {
|
||||
if (invtelecine->fifo[i].prev > 5) {
|
||||
score--;
|
||||
} else if (invtelecine->fifo[i].prev < 3) {
|
||||
/* In the noise */
|
||||
score++;
|
||||
}
|
||||
} else {
|
||||
if (invtelecine->fifo[i].prev2 < 1) {
|
||||
score += 2;
|
||||
}
|
||||
if (invtelecine->fifo[i].prev2 > 10) {
|
||||
/* A tertiary field that doesn't match */
|
||||
score -= 5;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GST_DEBUG ("i=%d phase=%d fi=%d prev=%g score=%d", i, phase, field_index,
|
||||
invtelecine->fifo[i].prev, score);
|
||||
|
||||
field_index++;
|
||||
if (field_index >= format->n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (format->n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return score;
|
||||
}
|
||||
|
||||
int format_table[] = { 0, 1, 1, 2, 2, 2, 2, 2 };
|
||||
int phase_table[] = { 0, 0, 1, 0, 1, 2, 3, 4 };
|
||||
|
||||
static void
|
||||
gst_invtelecine_process (GstInvtelecine * invtelecine, gboolean flush)
|
||||
{
|
||||
//int score;
|
||||
int num_fields;
|
||||
int scores[8];
|
||||
int i;
|
||||
int max_i;
|
||||
//int format;
|
||||
int phase;
|
||||
|
||||
GST_DEBUG ("process %d", invtelecine->num_fields);
|
||||
while (invtelecine->num_fields > 15) {
|
||||
num_fields = 0;
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
scores[i] = get_score_2 (invtelecine, format_table[i], phase_table[i]);
|
||||
}
|
||||
|
||||
#if 0
|
||||
g_print ("scores %d %d %d %d %d %d %d %d %d\n", invtelecine->field,
|
||||
scores[0], scores[1], scores[2], scores[3],
|
||||
scores[4], scores[5], scores[6], scores[7]);
|
||||
#endif
|
||||
|
||||
max_i = invtelecine->last_lock;
|
||||
for (i = 0; i < 8; i++) {
|
||||
int field_index;
|
||||
int k;
|
||||
|
||||
phase = (invtelecine->field + phase_table[i]) %
|
||||
formats[format_table[i]].cycle_length;
|
||||
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= formats[format_table[i]].n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (formats[format_table[i]].n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
if (field_index == 0) {
|
||||
if (scores[i] > scores[max_i]) {
|
||||
max_i = i;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (max_i != invtelecine->last_lock) {
|
||||
|
||||
GST_WARNING ("new structure %s, phase %d",
|
||||
formats[format_table[max_i]].name, phase_table[max_i]);
|
||||
|
||||
invtelecine->last_lock = max_i;
|
||||
}
|
||||
|
||||
{
|
||||
int field_index;
|
||||
int k;
|
||||
|
||||
phase = (invtelecine->field + phase_table[max_i]) %
|
||||
formats[format_table[max_i]].cycle_length;
|
||||
|
||||
field_index = 0;
|
||||
k = 0;
|
||||
while (phase > 0) {
|
||||
field_index++;
|
||||
if (field_index >= formats[format_table[max_i]].n_fields[k]) {
|
||||
field_index = 0;
|
||||
k++;
|
||||
if (formats[format_table[max_i]].n_fields[k] == 0) {
|
||||
k = 0;
|
||||
}
|
||||
}
|
||||
phase--;
|
||||
}
|
||||
|
||||
num_fields = formats[format_table[max_i]].n_fields[k];
|
||||
}
|
||||
|
||||
if (num_fields == 0) {
|
||||
GST_WARNING ("unlocked");
|
||||
num_fields = 1;
|
||||
}
|
||||
|
||||
gst_invtelecine_output_fields (invtelecine, num_fields);
|
||||
|
||||
while (num_fields > 0) {
|
||||
GST_DEBUG ("unref %p", invtelecine->fifo[0].buffer);
|
||||
gst_buffer_unref (invtelecine->fifo[0].buffer);
|
||||
invtelecine->num_fields--;
|
||||
memmove (invtelecine->fifo, invtelecine->fifo + 1,
|
||||
invtelecine->num_fields * sizeof (Field));
|
||||
num_fields--;
|
||||
invtelecine->field++;
|
||||
}
|
||||
|
||||
invtelecine->phase++;
|
||||
if (invtelecine->phase == 2) {
|
||||
invtelecine->phase = 0;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
copy_field (GstInvtelecine * invtelecine, GstBuffer * d, GstBuffer * s,
|
||||
int field_index)
|
||||
{
|
||||
int j;
|
||||
guint8 *dest;
|
||||
guint8 *src;
|
||||
int width = invtelecine->width;
|
||||
int height = invtelecine->height;
|
||||
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
|
||||
invtelecine->format == GST_VIDEO_FORMAT_YV12) {
|
||||
/* planar 4:2:0 */
|
||||
for (j = field_index; j < height; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + j * width;
|
||||
src = GST_BUFFER_DATA (s) + j * width;
|
||||
memcpy (dest, src, width);
|
||||
}
|
||||
for (j = field_index; j < height / 2; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + width * height + j * width / 2;
|
||||
src = GST_BUFFER_DATA (s) + width * height + j * width / 2;
|
||||
memcpy (dest, src, width / 2);
|
||||
}
|
||||
for (j = field_index; j < height / 2; j += 2) {
|
||||
dest =
|
||||
GST_BUFFER_DATA (d) + width * height + width / 2 * height / 2 +
|
||||
j * width / 2;
|
||||
src =
|
||||
GST_BUFFER_DATA (s) + width * height + width / 2 * height / 2 +
|
||||
j * width / 2;
|
||||
memcpy (dest, src, width / 2);
|
||||
}
|
||||
} else {
|
||||
/* packed 4:2:2 */
|
||||
for (j = field_index; j < height; j += 2) {
|
||||
dest = GST_BUFFER_DATA (d) + j * width * 2;
|
||||
src = GST_BUFFER_DATA (s) + j * width * 2;
|
||||
memcpy (dest, src, width * 2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_invtelecine_output_fields (GstInvtelecine * invtelecine, int num_fields)
|
||||
{
|
||||
GstBuffer *buffer;
|
||||
int field_index;
|
||||
|
||||
field_index = invtelecine->fifo[0].field_index;
|
||||
|
||||
if (invtelecine->format == GST_VIDEO_FORMAT_I420 ||
|
||||
invtelecine->format == GST_VIDEO_FORMAT_YV12) {
|
||||
buffer =
|
||||
gst_buffer_new_and_alloc (invtelecine->width * invtelecine->height * 3 /
|
||||
2);
|
||||
} else {
|
||||
buffer =
|
||||
gst_buffer_new_and_alloc (invtelecine->width * invtelecine->height * 2);
|
||||
}
|
||||
|
||||
copy_field (invtelecine, buffer, invtelecine->fifo[0].buffer, field_index);
|
||||
copy_field (invtelecine, buffer, invtelecine->fifo[1].buffer,
|
||||
field_index ^ 1);
|
||||
|
||||
gst_buffer_set_caps (buffer, GST_BUFFER_CAPS (invtelecine->fifo[0].buffer));
|
||||
|
||||
GST_BUFFER_TIMESTAMP (buffer) =
|
||||
GST_BUFFER_TIMESTAMP (invtelecine->fifo[0].buffer);
|
||||
GST_BUFFER_DURATION (buffer) =
|
||||
gst_util_uint64_scale (GST_SECOND, num_fields * 1001, 60000);
|
||||
if (num_fields == 3) {
|
||||
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_RFF);
|
||||
}
|
||||
if (num_fields == 1) {
|
||||
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_ONEFIELD);
|
||||
}
|
||||
if (field_index == 0) {
|
||||
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_TFF);
|
||||
}
|
||||
|
||||
return gst_pad_push (invtelecine->srcpad, buffer);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_invtelecine_chain (GstPad * pad, GstBuffer * buffer)
|
||||
{
|
||||
GstInvtelecine *invtelecine = GST_INVTELECINE (gst_pad_get_parent (pad));
|
||||
int field_index;
|
||||
|
||||
GST_DEBUG ("Received buffer at %u:%02u:%02u:%09u",
|
||||
(guint) (GST_BUFFER_TIMESTAMP (buffer) / (GST_SECOND * 60 * 60)),
|
||||
(guint) ((GST_BUFFER_TIMESTAMP (buffer) / (GST_SECOND * 60)) % 60),
|
||||
(guint) ((GST_BUFFER_TIMESTAMP (buffer) / GST_SECOND) % 60),
|
||||
(guint) (GST_BUFFER_TIMESTAMP (buffer) % GST_SECOND));
|
||||
|
||||
field_index = (GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_TFF) ? 0 : 1;
|
||||
//#define BAD
|
||||
#ifdef BAD
|
||||
field_index ^= 1;
|
||||
#endif
|
||||
|
||||
GST_DEBUG ("duration %" GST_TIME_FORMAT " flags %04x %s %s %s",
|
||||
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)),
|
||||
GST_BUFFER_FLAGS (buffer),
|
||||
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_TFF) ? "tff" : "",
|
||||
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_RFF) ? "rff" : "",
|
||||
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_ONEFIELD) ? "onefield" :
|
||||
"");
|
||||
|
||||
if (GST_BUFFER_FLAGS (buffer) & GST_BUFFER_FLAG_DISCONT) {
|
||||
GST_ERROR ("discont");
|
||||
|
||||
invtelecine->next_field = field_index;
|
||||
invtelecine->bad_flag_metric = 1.0;
|
||||
}
|
||||
|
||||
if (invtelecine->next_field != field_index) {
|
||||
GST_WARNING ("wrong field first, expecting %d got %d",
|
||||
invtelecine->next_field, field_index);
|
||||
invtelecine->next_field = field_index;
|
||||
}
|
||||
|
||||
gst_invtelecine_push_field (invtelecine, buffer, invtelecine->next_field);
|
||||
invtelecine->next_field ^= 1;
|
||||
|
||||
if (!(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_ONEFIELD)) {
|
||||
gst_invtelecine_push_field (invtelecine, buffer, invtelecine->next_field);
|
||||
invtelecine->next_field ^= 1;
|
||||
|
||||
if ((GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_RFF)) {
|
||||
gst_invtelecine_push_field (invtelecine, buffer, invtelecine->next_field);
|
||||
invtelecine->next_field ^= 1;
|
||||
}
|
||||
}
|
||||
|
||||
gst_invtelecine_process (invtelecine, FALSE);
|
||||
|
||||
gst_buffer_unref (buffer);
|
||||
|
||||
gst_object_unref (invtelecine);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_invtelecine_set_property (GObject * object,
|
||||
guint prop_id, const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_VERIFY_FIELD_FLAGS:
|
||||
invtelecine->verify_field_flags = g_value_get_boolean (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_invtelecine_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstInvtelecine *invtelecine = GST_INVTELECINE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_VERIFY_FIELD_FLAGS:
|
||||
g_value_set_boolean (value, invtelecine->verify_field_flags);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_invtelecine_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
//GstInvtelecine *invtelecine = GST_INVTELECINE (element);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||
//gst_invtelecine_reset (invtelecine);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (parent_class->change_state)
|
||||
return parent_class->change_state (element, transition);
|
||||
|
||||
return GST_STATE_CHANGE_SUCCESS;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
GST_DEBUG_CATEGORY_INIT (gst_invtelecine_debug, "invtelecine", 0,
|
||||
"Inverse telecine element");
|
||||
|
||||
return gst_element_register (plugin, "invtelecine", GST_RANK_NONE,
|
||||
GST_TYPE_INVTELECINE);
|
||||
}
|
||||
|
||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||
GST_VERSION_MINOR,
|
||||
"invtelecine",
|
||||
"Inverse Telecine",
|
||||
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|
||||
Loading…
Reference in a new issue