diff options
Diffstat (limited to 'gst/deinterlace2/gstdeinterlace2.c')
| -rw-r--r-- | gst/deinterlace2/gstdeinterlace2.c | 1517 |
1 files changed, 0 insertions, 1517 deletions
diff --git a/gst/deinterlace2/gstdeinterlace2.c b/gst/deinterlace2/gstdeinterlace2.c deleted file mode 100644 index 42a69240..00000000 --- a/gst/deinterlace2/gstdeinterlace2.c +++ /dev/null @@ -1,1517 +0,0 @@ -/* - * GStreamer - * Copyright (C) 2005 Martin Eikermann <meiker@upb.de> - * Copyright (C) 2008-2009 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. - */ - -/** - * SECTION:element-deinterlace2 - * - * deinterlace2 deinterlaces interlaced video frames to progressive video frames. - * For this different algorithms can be selected which will be described later. - * - * <refsect2> - * <title>Example launch line</title> - * |[ - * gst-launch -v filesrc location=/path/to/file ! decodebin2 ! ffmpegcolorspace ! deinterlace2 ! ffmpegcolorspace ! autovideosink - * ]| This pipeline deinterlaces a video file with the default deinterlacing options. - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <gst/gst.h> -#include <gst/video/video.h> -#include <liboil/liboil.h> - -#include "gstdeinterlace2.h" -#include "tvtime/plugins.h" - -#include <string.h> - -GST_DEBUG_CATEGORY_STATIC (deinterlace2_debug); -#define GST_CAT_DEFAULT (deinterlace2_debug) - -/* Object signals and args */ -enum -{ - LAST_SIGNAL -}; - -/* Properties */ - -#define DEFAULT_MODE GST_DEINTERLACE2_MODE_INTERLACED -#define DEFAULT_METHOD GST_DEINTERLACE2_GREEDY_H -#define DEFAULT_FIELDS GST_DEINTERLACE2_ALL -#define DEFAULT_FIELD_LAYOUT GST_DEINTERLACE2_LAYOUT_AUTO - -enum -{ - PROP_0, - PROP_MODE, - PROP_METHOD, - PROP_FIELDS, - PROP_FIELD_LAYOUT, - PROP_LAST -}; - -G_DEFINE_TYPE (GstDeinterlaceMethod, gst_deinterlace_method, GST_TYPE_OBJECT); - -static void -gst_deinterlace_method_class_init (GstDeinterlaceMethodClass * klass) -{ - -} - -static void -gst_deinterlace_method_init (GstDeinterlaceMethod * self) -{ - -} - -static void -gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self, - GstDeinterlace2 * parent, GstBuffer * outbuf) -{ - GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self); - - klass->deinterlace_frame (self, parent, outbuf); -} - -static gint -gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self) -{ - GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self); - - return klass->fields_required; -} - -static gint -gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self) -{ - GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self); - - return klass->latency; -} - - -G_DEFINE_TYPE (GstDeinterlaceSimpleMethod, gst_deinterlace_simple_method, - GST_TYPE_DEINTERLACE_METHOD); - -static void -gst_deinterlace_simple_method_interpolate_scanline (GstDeinterlaceMethod * self, - GstDeinterlace2 * parent, guint8 * out, - GstDeinterlaceScanlineData * scanlines, gint width) -{ - oil_memcpy (out, scanlines->m1, parent->row_stride); -} - -static void -gst_deinterlace_simple_method_copy_scanline (GstDeinterlaceMethod * self, - GstDeinterlace2 * parent, guint8 * out, - GstDeinterlaceScanlineData * scanlines, gint width) -{ - oil_memcpy (out, scanlines->m0, parent->row_stride); -} - -static void -gst_deinterlace_simple_method_deinterlace_frame (GstDeinterlaceMethod * self, - GstDeinterlace2 * parent, GstBuffer * outbuf) -{ - GstDeinterlaceSimpleMethodClass *dsm_class = - GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS (self); - GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self); - GstDeinterlaceScanlineData scanlines; - guint8 *out = GST_BUFFER_DATA (outbuf); - guint8 *field0 = NULL, *field1 = NULL, *field2 = NULL, *field3 = NULL; - gint cur_field_idx = parent->history_count - dm_class->fields_required; - guint cur_field_flags = parent->field_history[cur_field_idx].flags; - gint line; - - field0 = GST_BUFFER_DATA (parent->field_history[cur_field_idx].buf); - - g_assert (dm_class->fields_required <= 4); - - if (dm_class->fields_required >= 2) - field1 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 1].buf); - if (dm_class->fields_required >= 3) - field2 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 2].buf); - if (dm_class->fields_required >= 4) - field3 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 3].buf); - - - if (cur_field_flags == PICTURE_INTERLACED_BOTTOM) { - /* double the first scanline of the bottom field */ - oil_memcpy (out, field0, parent->row_stride); - out += parent->row_stride; - } - - oil_memcpy (out, field0, parent->row_stride); - out += parent->row_stride; - - for (line = 2; line <= parent->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 + parent->field_stride; - - if (field1 != NULL) { - scanlines.tt1 = field1; - scanlines.m1 = field1 + parent->field_stride; - scanlines.bb1 = field1 + parent->field_stride * 2; - field1 += parent->field_stride; - } - - if (field2 != NULL) { - scanlines.t2 = field2; - scanlines.b2 = field2 + parent->field_stride; - } - - if (field3 != NULL) { - scanlines.tt3 = field3; - scanlines.m3 = field3 + parent->field_stride; - scanlines.bb3 = field3 + parent->field_stride * 2; - field3 += parent->field_stride; - } - - /* set valid data for corner cases */ - if (line == 2) { - scanlines.tt1 = scanlines.bb1; - scanlines.tt3 = scanlines.bb3; - } else if (line == parent->field_height) { - scanlines.bb1 = scanlines.tt1; - scanlines.bb3 = scanlines.tt3; - } - - dsm_class->interpolate_scanline (self, parent, out, &scanlines, - parent->frame_width); - out += parent->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 + parent->field_stride; - scanlines.bb0 = field0 + parent->field_stride * 2; - field0 += parent->field_stride; - - if (field1 != NULL) { - scanlines.t1 = field1; - scanlines.b1 = field1 + parent->field_stride; - } - - if (field2 != NULL) { - scanlines.tt2 = field2; - scanlines.m2 = field2 + parent->field_stride; - scanlines.bb2 = field2 + parent->field_stride * 2; - field2 += parent->field_stride; - } - - if (field3 != NULL) { - scanlines.t3 = field3; - scanlines.b3 = field3 + parent->field_stride; - } - - /* set valid data for corner cases */ - if (line == parent->field_height) { - scanlines.bb0 = scanlines.tt0; - scanlines.b1 = scanlines.t1; - scanlines.bb2 = scanlines.tt2; - scanlines.b3 = scanlines.t3; - } - - dsm_class->copy_scanline (self, parent, out, &scanlines, - parent->frame_width); - out += parent->row_stride; - } - - if (cur_field_flags == PICTURE_INTERLACED_TOP) { - /* double the last scanline of the top field */ - oil_memcpy (out, field0, parent->row_stride); - } -} - -static void -gst_deinterlace_simple_method_class_init (GstDeinterlaceSimpleMethodClass * - klass) -{ - GstDeinterlaceMethodClass *dm_class = (GstDeinterlaceMethodClass *) klass; - - dm_class->deinterlace_frame = gst_deinterlace_simple_method_deinterlace_frame; - dm_class->fields_required = 2; - - klass->interpolate_scanline = - gst_deinterlace_simple_method_interpolate_scanline; - klass->copy_scanline = gst_deinterlace_simple_method_copy_scanline; -} - -static void -gst_deinterlace_simple_method_init (GstDeinterlaceSimpleMethod * self) -{ -} - -#define GST_TYPE_DEINTERLACE2_METHODS (gst_deinterlace2_methods_get_type ()) -static GType -gst_deinterlace2_methods_get_type (void) -{ - static GType deinterlace2_methods_type = 0; - - static const GEnumValue methods_types[] = { - {GST_DEINTERLACE2_TOMSMOCOMP, "Motion Adaptive: Motion Search", - "tomsmocomp"}, - {GST_DEINTERLACE2_GREEDY_H, "Motion Adaptive: Advanced Detection", - "greedyh"}, - {GST_DEINTERLACE2_GREEDY_L, "Motion Adaptive: Simple Detection", "greedyl"}, - {GST_DEINTERLACE2_VFIR, "Blur Vertical", "vfir"}, - {GST_DEINTERLACE2_LINEAR, "Television: Full resolution", "linear"}, - {GST_DEINTERLACE2_LINEAR_BLEND, "Blur: Temporal", "linearblend"}, - {GST_DEINTERLACE2_SCALER_BOB, "Double lines", "scalerbob"}, - {GST_DEINTERLACE2_WEAVE, "Weave", "weave"}, - {GST_DEINTERLACE2_WEAVE_TFF, "Progressive: Top Field First", "weavetff"}, - {GST_DEINTERLACE2_WEAVE_BFF, "Progressive: Bottom Field First", "weavebff"}, - {0, NULL, NULL}, - }; - - if (!deinterlace2_methods_type) { - deinterlace2_methods_type = - g_enum_register_static ("GstDeinterlace2Methods", methods_types); - } - return deinterlace2_methods_type; -} - -#define GST_TYPE_DEINTERLACE2_FIELDS (gst_deinterlace2_fields_get_type ()) -static GType -gst_deinterlace2_fields_get_type (void) -{ - static GType deinterlace2_fields_type = 0; - - static const GEnumValue fields_types[] = { - {GST_DEINTERLACE2_ALL, "All fields", "all"}, - {GST_DEINTERLACE2_TF, "Top fields only", "top"}, - {GST_DEINTERLACE2_BF, "Bottom fields only", "bottom"}, - {0, NULL, NULL}, - }; - - if (!deinterlace2_fields_type) { - deinterlace2_fields_type = - g_enum_register_static ("GstDeinterlace2Fields", fields_types); - } - return deinterlace2_fields_type; -} - -#define GST_TYPE_DEINTERLACE2_FIELD_LAYOUT (gst_deinterlace2_field_layout_get_type ()) -static GType -gst_deinterlace2_field_layout_get_type (void) -{ - static GType deinterlace2_field_layout_type = 0; - - static const GEnumValue field_layout_types[] = { - {GST_DEINTERLACE2_LAYOUT_AUTO, "Auto detection", "auto"}, - {GST_DEINTERLACE2_LAYOUT_TFF, "Top field first", "tff"}, - {GST_DEINTERLACE2_LAYOUT_BFF, "Bottom field first", "bff"}, - {0, NULL, NULL}, - }; - - if (!deinterlace2_field_layout_type) { - deinterlace2_field_layout_type = - g_enum_register_static ("GstDeinterlace2FieldLayout", - field_layout_types); - } - return deinterlace2_field_layout_type; -} - -#define GST_TYPE_DEINTERLACE2_MODES (gst_deinterlace2_modes_get_type ()) -static GType -gst_deinterlace2_modes_get_type (void) -{ - static GType deinterlace2_modes_type = 0; - - static const GEnumValue modes_types[] = { - {GST_DEINTERLACE2_MODE_AUTO, "Auto detection", "auto"}, - {GST_DEINTERLACE2_MODE_INTERLACED, "Enfore deinterlacing", "interlaced"}, - {GST_DEINTERLACE2_MODE_DISABLED, "Run in passthrough mode", "disabled"}, - {0, NULL, NULL}, - }; - - if (!deinterlace2_modes_type) { - deinterlace2_modes_type = - g_enum_register_static ("GstDeinterlace2Modes", modes_types); - } - return deinterlace2_modes_type; -} - -static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("YUY2") ";" - GST_VIDEO_CAPS_YUV ("YVYU")) - ); - -static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("YUY2") ";" - GST_VIDEO_CAPS_YUV ("YVYU")) - ); - -static void gst_deinterlace2_finalize (GObject * self); -static void gst_deinterlace2_set_property (GObject * self, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_deinterlace2_get_property (GObject * self, guint prop_id, - GValue * value, GParamSpec * pspec); - -static GstCaps *gst_deinterlace2_getcaps (GstPad * pad); -static gboolean gst_deinterlace2_setcaps (GstPad * pad, GstCaps * caps); -static gboolean gst_deinterlace2_sink_event (GstPad * pad, GstEvent * event); -static GstFlowReturn gst_deinterlace2_chain (GstPad * pad, GstBuffer * buffer); -static GstStateChangeReturn gst_deinterlace2_change_state (GstElement * element, - GstStateChange transition); - -static gboolean gst_deinterlace2_src_event (GstPad * pad, GstEvent * event); -static gboolean gst_deinterlace2_src_query (GstPad * pad, GstQuery * query); -static const GstQueryType *gst_deinterlace2_src_query_types (GstPad * pad); - -static void gst_deinterlace2_reset (GstDeinterlace2 * self); - -static void gst_deinterlace2_child_proxy_interface_init (gpointer g_iface, - gpointer iface_data); - -static void -_do_init (GType object_type) -{ - const GInterfaceInfo child_proxy_interface_info = { - (GInterfaceInitFunc) gst_deinterlace2_child_proxy_interface_init, - NULL, /* interface_finalize */ - NULL /* interface_data */ - }; - - g_type_add_interface_static (object_type, GST_TYPE_CHILD_PROXY, - &child_proxy_interface_info); -} - -GST_BOILERPLATE_FULL (GstDeinterlace2, gst_deinterlace2, GstElement, - GST_TYPE_ELEMENT, _do_init); - -static void -gst_deinterlace2_set_method (GstDeinterlace2 * self, - GstDeinterlace2Methods method) -{ - - if (self->method) { - gst_child_proxy_child_removed (GST_OBJECT (self), - GST_OBJECT (self->method)); - gst_object_unparent (GST_OBJECT (self->method)); - self->method = NULL; - } - - switch (method) { - case GST_DEINTERLACE2_TOMSMOCOMP: - self->method = g_object_new (GST_TYPE_DEINTERLACE_TOMSMOCOMP, NULL); - break; - case GST_DEINTERLACE2_GREEDY_H: - self->method = g_object_new (GST_TYPE_DEINTERLACE_GREEDY_H, NULL); - break; - case GST_DEINTERLACE2_GREEDY_L: - self->method = g_object_new (GST_TYPE_DEINTERLACE_GREEDY_L, NULL); - break; - case GST_DEINTERLACE2_VFIR: - self->method = g_object_new (GST_TYPE_DEINTERLACE_VFIR, NULL); - break; - case GST_DEINTERLACE2_LINEAR: - self->method = g_object_new (GST_TYPE_DEINTERLACE_LINEAR, NULL); - break; - case GST_DEINTERLACE2_LINEAR_BLEND: - self->method = g_object_new (GST_TYPE_DEINTERLACE_LINEAR_BLEND, NULL); - break; - case GST_DEINTERLACE2_SCALER_BOB: - self->method = g_object_new (GST_TYPE_DEINTERLACE_SCALER_BOB, NULL); - break; - case GST_DEINTERLACE2_WEAVE: - self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE, NULL); - break; - case GST_DEINTERLACE2_WEAVE_TFF: - self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE_TFF, NULL); - break; - case GST_DEINTERLACE2_WEAVE_BFF: - self->method = g_object_new (GST_TYPE_DEINTERLACE_WEAVE_BFF, NULL); - break; - default: - GST_WARNING_OBJECT (self, "Invalid Deinterlacer Method"); - return; - } - - self->method_id = method; - - gst_object_set_name (GST_OBJECT (self->method), "method"); - gst_object_set_parent (GST_OBJECT (self->method), GST_OBJECT (self)); - gst_child_proxy_child_added (GST_OBJECT (self), GST_OBJECT (self->method)); -} - -static void -gst_deinterlace2_base_init (gpointer klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&src_templ)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&sink_templ)); - - gst_element_class_set_details_simple (element_class, - "Deinterlacer", - "Filter/Video", - "Deinterlace Methods ported from DScaler/TvTime", - "Martin Eikermann <meiker@upb.de>, " - "Sebastian Dröge <slomo@circular-chaos.org>"); -} - -static void -gst_deinterlace2_class_init (GstDeinterlace2Class * klass) -{ - GObjectClass *gobject_class = (GObjectClass *) klass; - - GstElementClass *element_class = (GstElementClass *) klass; - - gobject_class->set_property = gst_deinterlace2_set_property; - gobject_class->get_property = gst_deinterlace2_get_property; - gobject_class->finalize = gst_deinterlace2_finalize; - - /** - * GstDeinterlace2:mode - * - * This selects whether the deinterlacing methods should - * always be applied or if they should only be applied - * on content that has the "interlaced" flag on the caps. - * - */ - g_object_class_install_property (gobject_class, PROP_MODE, - g_param_spec_enum ("mode", - "Mode", - "Deinterlace Mode", - GST_TYPE_DEINTERLACE2_MODES, - DEFAULT_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) - ); - - /** - * GstDeinterlace2:method - * - * Selects the different deinterlacing algorithms that can be used. - * These provide different quality and CPU usage. - * - * Some methods provide parameters which can be set by getting - * the "method" child via the #GstChildProxy interface and - * setting the appropiate properties on it. - * - * <itemizedlist> - * <listitem> - * <para> - * tomsmocomp - * Motion Adaptive: Motion Search - * </para> - * </listitem> - * <listitem> - * <para> - * greedyh - * Motion Adaptive: Advanced Detection - * </para> - * </listitem> - * <listitem> - * <para> - * greedyl - * Motion Adaptive: Simple Detection - * </para> - * </listitem> - * <listitem> - * <para> - * vfir - * Blur vertical - * </para> - * </listitem> - * <listitem> - * <para> - * linear - * Linear interpolation - * </para> - * </listitem> - * <listitem> - * <para> - * linearblend - * Linear interpolation in time domain - * </para> - * </listitem> - * <listitem> - * <para> - * scalerbob - * Double lines - * </para> - * </listitem> - * <listitem> - * <para> - * weave - * Weave - * </para> - * </listitem> - * <listitem> - * <para> - * weavetff - * Progressive: Top Field First - * </para> - * </listitem> - * <listitem> - * <para> - * weavebff - * Progressive: Bottom Field First - * </para> - * </listitem> - * </itemizedlist> - */ - g_object_class_install_property (gobject_class, PROP_METHOD, - g_param_spec_enum ("method", - "Method", - "Deinterlace Method", - GST_TYPE_DEINTERLACE2_METHODS, - DEFAULT_METHOD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) - ); - - /** - * GstDeinterlace2:fields - * - * This selects which fields should be output. If "all" is selected - * the output framerate will be double. - * - */ - g_object_class_install_property (gobject_class, PROP_FIELDS, - g_param_spec_enum ("fields", - "fields", - "Fields to use for deinterlacing", - GST_TYPE_DEINTERLACE2_FIELDS, - DEFAULT_FIELDS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) - ); - - /** - * GstDeinterlace2:layout - * - * This selects which fields is the first in time. - * - */ - g_object_class_install_property (gobject_class, PROP_FIELD_LAYOUT, - g_param_spec_enum ("tff", - "tff", - "Deinterlace top field first", - GST_TYPE_DEINTERLACE2_FIELD_LAYOUT, - DEFAULT_FIELD_LAYOUT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) - ); - - element_class->change_state = - GST_DEBUG_FUNCPTR (gst_deinterlace2_change_state); -} - -static GstObject * -gst_deinterlace2_child_proxy_get_child_by_index (GstChildProxy * child_proxy, - guint index) -{ - GstDeinterlace2 *self = GST_DEINTERLACE2 (child_proxy); - - g_return_val_if_fail (index == 0, NULL); - - return gst_object_ref (self->method); -} - -static guint -gst_deinterlace2_child_proxy_get_children_count (GstChildProxy * child_proxy) -{ - return 1; -} - -static void -gst_deinterlace2_child_proxy_interface_init (gpointer g_iface, - gpointer iface_data) -{ - GstChildProxyInterface *iface = g_iface; - - iface->get_child_by_index = gst_deinterlace2_child_proxy_get_child_by_index; - iface->get_children_count = gst_deinterlace2_child_proxy_get_children_count; -} - -static void -gst_deinterlace2_init (GstDeinterlace2 * self, GstDeinterlace2Class * klass) -{ - self->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink"); - gst_pad_set_chain_function (self->sinkpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_chain)); - gst_pad_set_event_function (self->sinkpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_sink_event)); - gst_pad_set_setcaps_function (self->sinkpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_setcaps)); - gst_pad_set_getcaps_function (self->sinkpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_getcaps)); - gst_element_add_pad (GST_ELEMENT (self), self->sinkpad); - - self->srcpad = gst_pad_new_from_static_template (&src_templ, "src"); - gst_pad_set_event_function (self->srcpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_src_event)); - gst_pad_set_query_type_function (self->srcpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_src_query_types)); - gst_pad_set_query_function (self->srcpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_src_query)); - gst_pad_set_setcaps_function (self->srcpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_setcaps)); - gst_pad_set_getcaps_function (self->srcpad, - GST_DEBUG_FUNCPTR (gst_deinterlace2_getcaps)); - gst_element_add_pad (GST_ELEMENT (self), self->srcpad); - - gst_element_no_more_pads (GST_ELEMENT (self)); - - self->mode = DEFAULT_MODE; - gst_deinterlace2_set_method (self, DEFAULT_METHOD); - self->fields = DEFAULT_FIELDS; - self->field_layout = DEFAULT_FIELD_LAYOUT; - - gst_deinterlace2_reset (self); -} - -static void -gst_deinterlace2_reset_history (GstDeinterlace2 * self) -{ - gint i; - - for (i = 0; i < self->history_count; i++) { - if (self->field_history[i].buf) { - gst_buffer_unref (self->field_history[i].buf); - self->field_history[i].buf = NULL; - } - } - memset (self->field_history, 0, MAX_FIELD_HISTORY * sizeof (GstPicture)); - self->history_count = 0; -} - -static void -gst_deinterlace2_reset (GstDeinterlace2 * self) -{ - self->row_stride = 0; - self->frame_width = 0; - self->frame_height = 0; - self->frame_rate_n = 0; - self->frame_rate_d = 0; - self->field_height = 0; - self->field_stride = 0; - - gst_deinterlace2_reset_history (self); -} - -static void -gst_deinterlace2_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstDeinterlace2 *self; - - g_return_if_fail (GST_IS_DEINTERLACE2 (object)); - self = GST_DEINTERLACE2 (object); - - switch (prop_id) { - case PROP_MODE:{ - gint oldmode; - - GST_OBJECT_LOCK (self); - oldmode = self->mode; - self->mode = g_value_get_enum (value); - if (self->mode != oldmode && GST_PAD_CAPS (self->srcpad)) - gst_deinterlace2_setcaps (self->sinkpad, GST_PAD_CAPS (self->sinkpad)); - GST_OBJECT_UNLOCK (self); - break; - } - case PROP_METHOD: - gst_deinterlace2_set_method (self, g_value_get_enum (value)); - break; - case PROP_FIELDS:{ - gint oldfields; - - GST_OBJECT_LOCK (self); - oldfields = self->fields; - self->fields = g_value_get_enum (value); - if (self->fields != oldfields && GST_PAD_CAPS (self->srcpad)) - gst_deinterlace2_setcaps (self->sinkpad, GST_PAD_CAPS (self->sinkpad)); - GST_OBJECT_UNLOCK (self); - break; - } - case PROP_FIELD_LAYOUT: - self->field_layout = g_value_get_enum (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec); - } - -} - -static void -gst_deinterlace2_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstDeinterlace2 *self; - - g_return_if_fail (GST_IS_DEINTERLACE2 (object)); - self = GST_DEINTERLACE2 (object); - - switch (prop_id) { - case PROP_MODE: - g_value_set_enum (value, self->mode); - break; - case PROP_METHOD: - g_value_set_enum (value, self->method_id); - break; - case PROP_FIELDS: - g_value_set_enum (value, self->fields); - break; - case PROP_FIELD_LAYOUT: - g_value_set_enum (value, self->field_layout); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec); - } -} - -static void -gst_deinterlace2_finalize (GObject * object) -{ - GstDeinterlace2 *self = GST_DEINTERLACE2 (object); - - gst_deinterlace2_reset (self); - - if (self->method) { - gst_object_unparent (GST_OBJECT (self->method)); - self->method = NULL; - } - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static GstBuffer * -gst_deinterlace2_pop_history (GstDeinterlace2 * self) -{ - GstBuffer *buffer = NULL; - - g_assert (self->history_count > 0); - - buffer = self->field_history[self->history_count - 1].buf; - - self->history_count--; - GST_DEBUG_OBJECT (self, "pop, size(history): %d", self->history_count); - - return buffer; -} - -#if 0 -static GstBuffer * -gst_deinterlace2_head_history (GstDeinterlace2 * self) -{ - return self->field_history[self->history_count - 1].buf; -} -#endif - - -/* invariant: field with smallest timestamp is self->field_history[self->history_count-1] - -*/ - -static void -gst_deinterlace2_push_history (GstDeinterlace2 * self, GstBuffer * buffer) -{ - int i = 1; - GstClockTime timestamp; - GstDeinterlace2FieldLayout field_layout = self->field_layout; - gboolean repeated = GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_RFF); - gboolean tff = GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_TFF); - gboolean onefield = - GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_ONEFIELD); - GstBuffer *field1, *field2; - guint fields_to_push = (onefield) ? 1 : (!repeated) ? 2 : 3; - gint field1_flags, field2_flags; - - g_assert (self->history_count < MAX_FIELD_HISTORY - fields_to_push); - - for (i = MAX_FIELD_HISTORY - 1; i >= fields_to_push; i--) { - self->field_history[i].buf = self->field_history[i - fields_to_push].buf; - self->field_history[i].flags = - self->field_history[i - fields_to_push].flags; - } - - if (field_layout == GST_DEINTERLACE2_LAYOUT_AUTO) { - if (!self->interlaced) { - GST_WARNING_OBJECT (self, "Can't detect field layout -- assuming TFF"); - field_layout = GST_DEINTERLACE2_LAYOUT_TFF; - } else if (tff) { - field_layout = GST_DEINTERLACE2_LAYOUT_TFF; - } else { - field_layout = GST_DEINTERLACE2_LAYOUT_BFF; - } - } - - if (field_layout == GST_DEINTERLACE2_LAYOUT_TFF) { - GST_DEBUG_OBJECT (self, "Top field first"); - field1 = gst_buffer_ref (buffer); - field1_flags = PICTURE_INTERLACED_TOP; - field2 = gst_buffer_create_sub (buffer, self->row_stride, - GST_BUFFER_SIZE (buffer) - self->row_stride); - field2_flags = PICTURE_INTERLACED_BOTTOM; - } else { - GST_DEBUG_OBJECT (self, "Bottom field first"); - field1 = gst_buffer_create_sub (buffer, self->row_stride, - GST_BUFFER_SIZE (buffer) - self->row_stride); - field1_flags = PICTURE_INTERLACED_BOTTOM; - field2 = gst_buffer_ref (buffer); - field2_flags = PICTURE_INTERLACED_TOP; - } - - /* Timestamps are assigned to the field buffers under the assumption that - the timestamp of the buffer equals the first fields timestamp */ - - timestamp = GST_BUFFER_TIMESTAMP (buffer); - GST_BUFFER_TIMESTAMP (field1) = timestamp; - GST_BUFFER_TIMESTAMP (field2) = timestamp + self->field_duration; - if (repeated) - GST_BUFFER_TIMESTAMP (field2) += self->field_duration; - - if (repeated) { - self->field_history[0].buf = field2; - self->field_history[0].flags = field2_flags; - self->field_history[1].buf = gst_buffer_ref (field1); - GST_BUFFER_TIMESTAMP (self->field_history[1].buf) += self->field_duration; - self->field_history[1].flags = field1_flags; - self->field_history[2].buf = field1; - self->field_history[2].flags = field1_flags; - } else if (!onefield) { - self->field_history[0].buf = field2; - self->field_history[0].flags = field2_flags; - self->field_history[1].buf = field1; - self->field_history[1].flags = field1_flags; - } else { /* onefield */ - self->field_history[0].buf = field1; - self->field_history[0].flags = field1_flags; - gst_buffer_unref (field2); - } - - self->history_count += fields_to_push; - GST_DEBUG_OBJECT (self, "push, size(history): %d", self->history_count); - - gst_buffer_unref (buffer); -} - -static GstFlowReturn -gst_deinterlace2_chain (GstPad * pad, GstBuffer * buf) -{ - GstDeinterlace2 *self = NULL; - GstClockTime timestamp; - GstFlowReturn ret = GST_FLOW_OK; - gint fields_required = 0; - gint cur_field_idx = 0; - GstBuffer *outbuf; - - self = GST_DEINTERLACE2 (GST_PAD_PARENT (pad)); - - if (self->mode == GST_DEINTERLACE2_MODE_DISABLED || (!self->interlaced - && self->mode != GST_DEINTERLACE2_MODE_INTERLACED)) - return gst_pad_push (self->srcpad, buf); - - if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) { - GST_DEBUG_OBJECT (self, "DISCONT buffer, resetting history"); - gst_deinterlace2_reset_history (self); - } - - gst_deinterlace2_push_history (self, buf); - buf = NULL; - - fields_required = gst_deinterlace_method_get_fields_required (self->method); - - /* Not enough fields in the history */ - if (self->history_count < fields_required + 1) { - /* TODO: do bob or just forward frame */ - GST_DEBUG_OBJECT (self, "HistoryCount=%d", self->history_count); - return GST_FLOW_OK; - } - - while (self->history_count >= fields_required) { - if (self->fields == GST_DEINTERLACE2_ALL) - GST_DEBUG_OBJECT (self, "All fields"); - if (self->fields == GST_DEINTERLACE2_TF) - GST_DEBUG_OBJECT (self, "Top fields"); - if (self->fields == GST_DEINTERLACE2_BF) - GST_DEBUG_OBJECT (self, "Bottom fields"); - - cur_field_idx = self->history_count - fields_required; - - if ((self->field_history[cur_field_idx].flags == PICTURE_INTERLACED_TOP - && self->fields == GST_DEINTERLACE2_TF) || - self->fields == GST_DEINTERLACE2_ALL) { - GST_DEBUG_OBJECT (self, "deinterlacing top field"); - - /* create new buffer */ - ret = gst_pad_alloc_buffer_and_set_caps (self->srcpad, - GST_BUFFER_OFFSET_NONE, self->frame_size, - GST_PAD_CAPS (self->srcpad), &outbuf); - if (ret != GST_FLOW_OK) - return ret; - - /* do magic calculus */ - gst_deinterlace_method_deinterlace_frame (self->method, self, outbuf); - - g_assert (self->history_count - 1 - - gst_deinterlace_method_get_latency (self->method) >= 0); - buf = - self->field_history[self->history_count - 1 - - gst_deinterlace_method_get_latency (self->method)].buf; - timestamp = GST_BUFFER_TIMESTAMP (buf); - - gst_buffer_unref (gst_deinterlace2_pop_history (self)); - - GST_BUFFER_TIMESTAMP (outbuf) = timestamp; - if (self->fields == GST_DEINTERLACE2_ALL) - GST_BUFFER_DURATION (outbuf) = self->field_duration; - else - GST_BUFFER_DURATION (outbuf) = 2 * self->field_duration; - - ret = gst_pad_push (self->srcpad, outbuf); - outbuf = NULL; - if (ret != GST_FLOW_OK) - return ret; - } - /* no calculation done: remove excess field */ - else if (self->field_history[cur_field_idx].flags == - PICTURE_INTERLACED_TOP && self->fields == GST_DEINTERLACE2_BF) { - GST_DEBUG_OBJECT (self, "Removing unused top field"); - gst_buffer_unref (gst_deinterlace2_pop_history (self)); - } - - cur_field_idx = self->history_count - fields_required; - if (self->history_count < fields_required) - break; - - /* deinterlace bottom_field */ - if ((self->field_history[cur_field_idx].flags == PICTURE_INTERLACED_BOTTOM - && self->fields == GST_DEINTERLACE2_BF) || - self->fields == GST_DEINTERLACE2_ALL) { - GST_DEBUG_OBJECT (self, "deinterlacing bottom field"); - - /* create new buffer */ - ret = gst_pad_alloc_buffer_and_set_caps (self->srcpad, - GST_BUFFER_OFFSET_NONE, self->frame_size, - GST_PAD_CAPS (self->srcpad), &outbuf); - if (ret != GST_FLOW_OK) - return ret; - - /* do magic calculus */ - gst_deinterlace_method_deinterlace_frame (self->method, self, outbuf); - - g_assert (self->history_count - 1 - - gst_deinterlace_method_get_latency (self->method) >= 0); - buf = - self->field_history[self->history_count - 1 - - gst_deinterlace_method_get_latency (self->method)].buf; - timestamp = GST_BUFFER_TIMESTAMP (buf); - - gst_buffer_unref (gst_deinterlace2_pop_history (self)); - - GST_BUFFER_TIMESTAMP (outbuf) = timestamp; - if (self->fields == GST_DEINTERLACE2_ALL) - GST_BUFFER_DURATION (outbuf) = self->field_duration; - else - GST_BUFFER_DURATION (outbuf) = 2 * self->field_duration; - - ret = gst_pad_push (self->srcpad, outbuf); - outbuf = NULL; - - if (ret != GST_FLOW_OK) - return ret; - } - /* no calculation done: remove excess field */ - else if (self->field_history[cur_field_idx].flags == - PICTURE_INTERLACED_BOTTOM && self->fields == GST_DEINTERLACE2_TF) { - GST_DEBUG_OBJECT (self, "Removing unused bottom field"); - gst_buffer_unref (gst_deinterlace2_pop_history (self)); - } - } - - GST_DEBUG_OBJECT (self, "----chain end ----\n\n"); - - return ret; -} - -static gint -gst_greatest_common_divisor (gint a, gint b) -{ - while (b != 0) { - int temp = a; - - a = b; - b = temp % b; - } - - return ABS (a); -} - -static gboolean -gst_fraction_double (gint * n_out, gint * d_out, gboolean half) -{ - gint n, d, gcd; - - n = *n_out; - d = *d_out; - - if (d == 0) - return FALSE; - - if (n == 0 || (n == G_MAXINT && d == 1)) - return TRUE; - - gcd = gst_greatest_common_divisor (n, d); - n /= gcd; - d /= gcd; - - if (!half) { - if (G_MAXINT / 2 >= ABS (n)) { - n *= 2; - } else if (d >= 2) { - d /= 2; - } else { - return FALSE; - } - } else { - if (G_MAXINT / 2 >= ABS (d)) { - d *= 2; - } else if (n >= 2) { - n /= 2; - } else { - return FALSE; - } - } - - *n_out = n; - *d_out = d; - - return TRUE; -} - -static GstCaps * -gst_deinterlace2_getcaps (GstPad * pad) -{ - GstCaps *ret; - GstDeinterlace2 *self = GST_DEINTERLACE2 (gst_pad_get_parent (pad)); - GstPad *otherpad; - gint len; - const GstCaps *ourcaps; - GstCaps *peercaps; - - GST_OBJECT_LOCK (self); - - otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad; - - ourcaps = gst_pad_get_pad_template_caps (pad); - peercaps = gst_pad_peer_get_caps (otherpad); - - if (peercaps) { - ret = gst_caps_intersect (ourcaps, peercaps); - gst_caps_unref (peercaps); - } else { - ret = gst_caps_copy (ourcaps); - } - - GST_OBJECT_UNLOCK (self); - - if ((self->interlaced || self->mode == GST_DEINTERLACE2_MODE_INTERLACED) && - self->fields == GST_DEINTERLACE2_ALL - && self->mode != GST_DEINTERLACE2_MODE_DISABLED) { - for (len = gst_caps_get_size (ret); len > 0; len--) { - GstStructure *s = gst_caps_get_structure (ret, len - 1); - const GValue *val; - - val = gst_structure_get_value (s, "framerate"); - if (!val) - continue; - - if (G_VALUE_TYPE (val) == GST_TYPE_FRACTION) { - gint n, d; - - n = gst_value_get_fraction_numerator (val); - d = gst_value_get_fraction_denominator (val); - - if (!gst_fraction_double (&n, &d, pad != self->srcpad)) { - goto error; - } - - gst_structure_set (s, "framerate", GST_TYPE_FRACTION, n, d, NULL); - } else if (G_VALUE_TYPE (val) == GST_TYPE_FRACTION_RANGE) { - const GValue *min, *max; - GValue nrange = { 0, }, nmin = { - 0,}, nmax = { - 0,}; - gint n, d; - - g_value_init (&nrange, GST_TYPE_FRACTION_RANGE); - g_value_init (&nmin, GST_TYPE_FRACTION); - g_value_init (&nmax, GST_TYPE_FRACTION); - - min = gst_value_get_fraction_range_min (val); - max = gst_value_get_fraction_range_max (val); - - n = gst_value_get_fraction_numerator (min); - d = gst_value_get_fraction_denominator (min); - - if (!gst_fraction_double (&n, &d, pad != self->srcpad)) { - g_value_unset (&nrange); - g_value_unset (&nmax); - g_value_unset (&nmin); - goto error; - } - - gst_value_set_fraction (&nmin, n, d); - - n = gst_value_get_fraction_numerator (max); - d = gst_value_get_fraction_denominator (max); - - if (!gst_fraction_double (&n, &d, pad != self->srcpad)) { - g_value_unset (&nrange); - g_value_unset (&nmax); - g_value_unset (&nmin); - goto error; - } - - gst_value_set_fraction (&nmax, n, d); - gst_value_set_fraction_range (&nrange, &nmin, &nmax); - - gst_structure_set_value (s, "framerate", &nrange); - - g_value_unset (&nmin); - g_value_unset (&nmax); - g_value_unset (&nrange); - } else if (G_VALUE_TYPE (val) == GST_TYPE_LIST) { - const GValue *lval; - GValue nlist = { 0, }; - GValue nval = { 0, }; - gint i; - - g_value_init (&nlist, GST_TYPE_LIST); - for (i = gst_value_list_get_size (val); i > 0; i--) { - gint n, d; - - lval = gst_value_list_get_value (val, i); - - if (G_VALUE_TYPE (lval) != GST_TYPE_FRACTION) - continue; - - n = gst_value_get_fraction_numerator (lval); - d = gst_value_get_fraction_denominator (lval); - - /* Double/Half the framerate but if this fails simply - * skip this value from the list */ - if (!gst_fraction_double (&n, &d, pad != self->srcpad)) { - continue; - } - - g_value_init (&nval, GST_TYPE_FRACTION); - - gst_value_set_fraction (&nval, n, d); - gst_value_list_append_value (&nlist, &nval); - g_value_unset (&nval); - } - gst_structure_set_value (s, "framerate", &nlist); - g_value_unset (&nlist); - } - } - } - - GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, ret); - - return ret; - -error: - GST_ERROR_OBJECT (pad, "Unable to transform peer caps"); - gst_caps_unref (ret); - return NULL; -} - -static gboolean -gst_deinterlace2_setcaps (GstPad * pad, GstCaps * caps) -{ - gboolean res = TRUE; - GstDeinterlace2 *self = GST_DEINTERLACE2 (gst_pad_get_parent (pad)); - GstPad *otherpad; - GstStructure *structure; - GstVideoFormat fmt; - guint32 fourcc; - GstCaps *othercaps; - - otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad; - - structure = gst_caps_get_structure (caps, 0); - - res = gst_structure_get_int (structure, "width", &self->frame_width); - res &= gst_structure_get_int (structure, "height", &self->frame_height); - res &= - gst_structure_get_fraction (structure, "framerate", &self->frame_rate_n, - &self->frame_rate_d); - res &= gst_structure_get_fourcc (structure, "format", &fourcc); - res &= gst_video_format_parse_caps_interlaced (caps, &self->interlaced); - if (!res) - goto invalid_caps; - - if ((self->interlaced || self->mode == GST_DEINTERLACE2_MODE_INTERLACED) && - self->fields == GST_DEINTERLACE2_ALL - && self->mode != GST_DEINTERLACE2_MODE_DISABLED) { - gint fps_n = self->frame_rate_n, fps_d = self->frame_rate_d; - - if (!gst_fraction_double (&fps_n, &fps_d, otherpad != self->srcpad)) - goto invalid_caps; - - othercaps = gst_caps_copy (caps); - - gst_caps_set_simple (othercaps, "framerate", GST_TYPE_FRACTION, fps_n, - fps_d, NULL); - } else { - othercaps = gst_caps_ref (caps); - } - - if (!gst_pad_set_caps (otherpad, othercaps)) - goto caps_not_accepted; - gst_caps_unref (othercaps); - - self->field_height = self->frame_height / 2; - - fmt = gst_video_format_from_fourcc (fourcc); - - /* TODO: only true if fields are subbuffers of interlaced frames, - change when the buffer-fields concept has landed */ - self->field_stride = - gst_video_format_get_row_stride (fmt, 0, self->frame_width) * 2; - - /* in bytes */ - self->row_stride = - gst_video_format_get_row_stride (fmt, 0, self->frame_width); - self->frame_size = - gst_video_format_get_size (fmt, self->frame_width, self->frame_height); - - if (self->fields == GST_DEINTERLACE2_ALL && otherpad == self->srcpad) - self->field_duration = - gst_util_uint64_scale (GST_SECOND, self->frame_rate_d, - self->frame_rate_n); - else - self->field_duration = - gst_util_uint64_scale (GST_SECOND, self->frame_rate_d, - 2 * self->frame_rate_n); - - GST_DEBUG_OBJECT (self, "Set caps: %" GST_PTR_FORMAT, caps); - -done: - - gst_object_unref (self); - return res; - -invalid_caps: - res = FALSE; - GST_ERROR_OBJECT (pad, "Invalid caps: %" GST_PTR_FORMAT, caps); - goto done; - -caps_not_accepted: - res = FALSE; - GST_ERROR_OBJECT (pad, "Caps not accepted: %" GST_PTR_FORMAT, othercaps); - gst_caps_unref (othercaps); - goto done; -} - -static gboolean -gst_deinterlace2_sink_event (GstPad * pad, GstEvent * event) -{ - gboolean res = TRUE; - GstDeinterlace2 *self = GST_DEINTERLACE2 (gst_pad_get_parent (pad)); - - GST_LOG_OBJECT (pad, "received %s event", GST_EVENT_TYPE_NAME (event)); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_FLUSH_STOP: - case GST_EVENT_EOS: - case GST_EVENT_NEWSEGMENT: - gst_deinterlace2_reset_history (self); - - /* fall through */ - default: - res = gst_pad_event_default (pad, event); - break; - } - - gst_object_unref (self); - return res; -} - -static GstStateChangeReturn -gst_deinterlace2_change_state (GstElement * element, GstStateChange transition) -{ - GstStateChangeReturn ret; - GstDeinterlace2 *self = GST_DEINTERLACE2 (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - if (ret != GST_STATE_CHANGE_SUCCESS) - return ret; - - switch (transition) { - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - gst_deinterlace2_reset (self); - break; - case GST_STATE_CHANGE_READY_TO_NULL: - default: - break; - } - - return ret; -} - -static gboolean -gst_deinterlace2_src_event (GstPad * pad, GstEvent * event) -{ - GstDeinterlace2 *self = GST_DEINTERLACE2 (gst_pad_get_parent (pad)); - gboolean res; - - GST_DEBUG_OBJECT (pad, "received %s event", GST_EVENT_TYPE_NAME (event)); - - switch (GST_EVENT_TYPE (event)) { - default: - res = gst_pad_event_default (pad, event); - break; - } - - gst_object_unref (self); - - return res; -} - -static gboolean -gst_deinterlace2_src_query (GstPad * pad, GstQuery * query) -{ - GstDeinterlace2 *self = GST_DEINTERLACE2 (gst_pad_get_parent (pad)); - gboolean res = FALSE; - - GST_LOG_OBJECT (self, "%s query", GST_QUERY_TYPE_NAME (query)); - - switch (GST_QUERY_TYPE (query)) { - case GST_QUERY_LATENCY: - if ((self->interlaced || self->mode == GST_DEINTERLACE2_MODE_INTERLACED) - && self->mode != GST_DEINTERLACE2_MODE_DISABLED) { - GstClockTime min, max; - gboolean live; - GstPad *peer; - - if ((peer = gst_pad_get_peer (self->sinkpad))) { - if ((res = gst_pad_query (peer, query))) { - GstClockTime latency; - gint fields_required = 0; - gint method_latency = 0; - - if (self->method) { - fields_required = - gst_deinterlace_method_get_fields_required (self->method); - method_latency = - gst_deinterlace_method_get_latency (self->method); - } - - gst_query_parse_latency (query, &live, &min, &max); - - GST_DEBUG_OBJECT (self, "Peer latency: min %" - GST_TIME_FORMAT " max %" GST_TIME_FORMAT, - GST_TIME_ARGS (min), GST_TIME_ARGS (max)); - - /* add our own latency */ - latency = (fields_required + method_latency) * self->field_duration; - - GST_DEBUG_OBJECT (self, "Our latency: min %" GST_TIME_FORMAT - ", max %" GST_TIME_FORMAT, - GST_TIME_ARGS (latency), GST_TIME_ARGS (latency)); - - min += latency; - if (max != GST_CLOCK_TIME_NONE) - max += latency; - else - max = latency; - - GST_DEBUG_OBJECT (self, "Calculated total latency : min %" - GST_TIME_FORMAT " max %" GST_TIME_FORMAT, - GST_TIME_ARGS (min), GST_TIME_ARGS (max)); - - gst_query_set_latency (query, live, min, max); - } - gst_object_unref (peer); - } else { - res = gst_pad_query_default (pad, query); - } - break; - } - default: - res = gst_pad_query_default (pad, query); - break; - } - - gst_object_unref (self); - return res; -} - -static const GstQueryType * -gst_deinterlace2_src_query_types (GstPad * pad) -{ - static const GstQueryType types[] = { - GST_QUERY_LATENCY, - GST_QUERY_NONE - }; - return types; -} - -static gboolean -plugin_init (GstPlugin * plugin) -{ - GST_DEBUG_CATEGORY_INIT (deinterlace2_debug, "deinterlace2", 0, - "Deinterlacer"); - - oil_init (); - - if (!gst_element_register (plugin, "deinterlace2", GST_RANK_NONE, - GST_TYPE_DEINTERLACE2)) { - return FALSE; - } - - return TRUE; -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "deinterlace2", - "Deinterlacer", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, - GST_PACKAGE_ORIGIN); |