/* * GStreamer * Copyright (C) 2005 Martin Eikermann <meiker@upb.de> * Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_DEINTERLACE_H__ #define __GST_DEINTERLACE_H__ #include <gst/gst.h> #include <gst/video/video.h> #include <gst/video/gstvideopool.h> #include <gst/video/gstvideometa.h> #include "gstdeinterlacemethod.h" G_BEGIN_DECLS #define GST_TYPE_DEINTERLACE \ (gst_deinterlace_get_type()) #define GST_DEINTERLACE(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE,GstDeinterlace)) #define GST_DEINTERLACE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE,GstDeinterlace)) #define GST_IS_DEINTERLACE(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE)) #define GST_IS_DEINTERLACE_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE)) typedef struct _GstDeinterlace GstDeinterlace; typedef struct _GstDeinterlaceClass GstDeinterlaceClass; typedef enum { GST_DEINTERLACE_TOMSMOCOMP, GST_DEINTERLACE_GREEDY_H, GST_DEINTERLACE_GREEDY_L, GST_DEINTERLACE_VFIR, GST_DEINTERLACE_LINEAR, GST_DEINTERLACE_LINEAR_BLEND, GST_DEINTERLACE_SCALER_BOB, GST_DEINTERLACE_WEAVE, GST_DEINTERLACE_WEAVE_TFF, GST_DEINTERLACE_WEAVE_BFF, GST_DEINTERLACE_YADIF } GstDeinterlaceMethods; typedef enum { GST_DEINTERLACE_ALL, /* All (missing data is interp.) */ GST_DEINTERLACE_TF, /* Top Fields Only */ GST_DEINTERLACE_BF, /* Bottom Fields Only */ GST_DEINTERLACE_FIELDS_AUTO /* Automatically detect */ } GstDeinterlaceFields; typedef enum { GST_DEINTERLACE_LAYOUT_AUTO, GST_DEINTERLACE_LAYOUT_TFF, GST_DEINTERLACE_LAYOUT_BFF } GstDeinterlaceFieldLayout; typedef enum { GST_DEINTERLACE_MODE_AUTO, GST_DEINTERLACE_MODE_INTERLACED, GST_DEINTERLACE_MODE_DISABLED, GST_DEINTERLACE_MODE_AUTO_STRICT } GstDeinterlaceMode; typedef enum { GST_DEINTERLACE_LOCKING_NONE, GST_DEINTERLACE_LOCKING_AUTO, GST_DEINTERLACE_LOCKING_ACTIVE, GST_DEINTERLACE_LOCKING_PASSIVE, } GstDeinterlaceLocking; #define GST_DEINTERLACE_MAX_FIELD_HISTORY 10 #define GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY 50 /* check max field history is large enough */ #if GST_DEINTERLACE_MAX_FIELD_HISTORY < GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3 #undef GST_DEINTERLACE_MAX_FIELD_HISTORY #define GST_DEINTERLACE_MAX_FIELD_HISTORY (GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3) #endif typedef struct _TelecinePattern TelecinePattern; struct _TelecinePattern { const gchar *nick; guint8 length; guint8 ratio_n, ratio_d; guint8 states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY]; }; typedef struct _GstDeinterlaceBufferState GstDeinterlaceBufferState; struct _GstDeinterlaceBufferState { GstClockTime timestamp; GstClockTime duration; guint8 state; }; struct _GstDeinterlace { GstElement parent; GstPad *srcpad, *sinkpad; /* <private> */ GstDeinterlaceMode mode; GstDeinterlaceFieldLayout field_layout; GstDeinterlaceFields fields; GstDeinterlaceFields user_set_fields; /* current state (differs when flushing/inverse telecine using weave) */ GstDeinterlaceMethods method_id; /* property value */ GstDeinterlaceMethods user_set_method_id; GstDeinterlaceMethod *method; GstVideoInfo vinfo; GstVideoInfo vinfo_out; GstBufferPool *pool; GstAllocator *allocator; GstAllocationParams params; gboolean passthrough; gboolean discont; GstClockTime field_duration; /* Duration of one field */ /* The most recent pictures PictureHistory[0] is always the most recent. Pointers are NULL if the picture in question isn't valid, e.g. because the program just started or a picture was skipped. */ GstDeinterlaceField field_history[GST_DEINTERLACE_MAX_FIELD_HISTORY]; guint history_count; int cur_field_idx; /* Set to TRUE if we're in still frame mode, i.e. just forward all buffers */ gboolean still_frame_mode; /* Last buffer that was pushed in */ GstBuffer *last_buffer; /* Current segment */ GstSegment segment; /* QoS stuff */ gdouble proportion; GstClockTime earliest_time; gint64 processed; gint64 dropped; GstCaps *request_caps; gboolean reconfigure; GstDeinterlaceMode new_mode; GstDeinterlaceFields new_fields; GstDeinterlaceLocking locking; gint low_latency; gboolean drop_orphans; gboolean ignore_obscure; gboolean pattern_lock; gboolean pattern_refresh; GstDeinterlaceBufferState buf_states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY]; gint state_count; gint pattern; guint8 pattern_phase; guint8 pattern_count; guint8 output_count; GstClockTime pattern_base_ts; GstClockTime pattern_buf_dur; gboolean need_more; gboolean have_eos; gboolean telecine_tc_warned; }; struct _GstDeinterlaceClass { GstElementClass parent_class; }; GType gst_deinterlace_get_type (void); GST_ELEMENT_REGISTER_DECLARE (deinterlace); G_END_DECLS #endif /* __GST_DEINTERLACE_H__ */