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275 lines
8.1 KiB
C
275 lines
8.1 KiB
C
/*
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* gstvaapidecoder_priv.h - VA decoder abstraction (private definitions)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_DECODER_PRIV_H
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#define GST_VAAPI_DECODER_PRIV_H
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#include "sysdeps.h"
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#include <gst/vaapi/gstvaapidecoder.h>
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#include <gst/vaapi/gstvaapidecoder_unit.h>
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#include <gst/vaapi/gstvaapicontext.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_DECODER_CAST(decoder) \
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((GstVaapiDecoder *)(decoder))
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#define GST_VAAPI_DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VAAPI_DECODER, GstVaapiDecoderClass))
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#define GST_VAAPI_IS_DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPI_DECODER))
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#define GST_VAAPI_DECODER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPI_DECODER, GstVaapiDecoderClass))
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typedef struct _GstVaapiDecoderClass GstVaapiDecoderClass;
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/**
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* GST_VAAPI_PARSER_STATE:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVaapiParserState of @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_PARSER_STATE
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#define GST_VAAPI_PARSER_STATE(decoder) \
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(&GST_VAAPI_DECODER_CAST(decoder)->parser_state)
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/**
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* GST_VAAPI_DECODER_DISPLAY:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVaapiDisplay of @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_DISPLAY
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#define GST_VAAPI_DECODER_DISPLAY(decoder) \
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GST_VAAPI_DECODER_CAST(decoder)->display
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/**
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* GST_VAAPI_DECODER_CONTEXT:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVaapiContext of @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_CONTEXT
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#define GST_VAAPI_DECODER_CONTEXT(decoder) \
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GST_VAAPI_DECODER_CAST(decoder)->context
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/**
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* GST_VAAPI_DECODER_CODEC:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVaapiCodec of @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_CODEC
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#define GST_VAAPI_DECODER_CODEC(decoder) \
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GST_VAAPI_DECODER_CAST(decoder)->codec
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/**
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* GST_VAAPI_DECODER_CODEC_STATE:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVideoCodecState holding codec state
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* for @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_CODEC_STATE
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#define GST_VAAPI_DECODER_CODEC_STATE(decoder) \
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GST_VAAPI_DECODER_CAST(decoder)->codec_state
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/**
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* GST_VAAPI_DECODER_CODEC_DATA:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstBuffer holding optional codec data
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* for @decoder.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_CODEC_DATA
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#define GST_VAAPI_DECODER_CODEC_DATA(decoder) \
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GST_VAAPI_DECODER_CODEC_STATE(decoder)->codec_data
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/**
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* GST_VAAPI_DECODER_CODEC_FRAME:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the #GstVideoCodecFrame holding decoder
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* units for the current frame.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_CODEC_FRAME
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#define GST_VAAPI_DECODER_CODEC_FRAME(decoder) \
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GST_VAAPI_PARSER_STATE(decoder)->current_frame
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/**
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* GST_VAAPI_DECODER_WIDTH:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the coded width of the picture
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_WIDTH
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#define GST_VAAPI_DECODER_WIDTH(decoder) \
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GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.width
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/**
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* GST_VAAPI_DECODER_HEIGHT:
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* @decoder: a #GstVaapiDecoder
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*
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* Macro that evaluates to the coded height of the picture
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DECODER_HEIGHT
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#define GST_VAAPI_DECODER_HEIGHT(decoder) \
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GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.height
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/* End-of-Stream buffer */
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#define GST_BUFFER_FLAG_EOS (GST_BUFFER_FLAG_LAST + 0)
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#define GST_BUFFER_IS_EOS(buffer) \
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GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_EOS)
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#define GST_VAAPI_DECODER_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_DECODER, \
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GstVaapiDecoderPrivate))
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typedef enum {
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GST_VAAPI_DECODER_STATUS_DROP_FRAME = -2
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} GstVaapiDecoderStatusPrivate;
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typedef struct _GstVaapiParserState GstVaapiParserState;
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struct _GstVaapiParserState
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{
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GstVideoCodecFrame *current_frame;
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guint32 current_frame_number;
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GstAdapter *current_adapter;
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GstAdapter *input_adapter;
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gint input_offset1;
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gint input_offset2;
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GstAdapter *output_adapter;
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GstVaapiDecoderUnit next_unit;
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guint next_unit_pending:1;
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guint at_eos:1;
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};
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/**
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* GstVaapiDecoder:
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*
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* A VA decoder base instance.
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*/
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struct _GstVaapiDecoder
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{
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/*< private >*/
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GstObject parent_instance;
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gpointer user_data;
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GstVaapiDisplay *display;
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VADisplay va_display;
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GstVaapiContext *context;
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VAContextID va_context;
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GstVaapiCodec codec;
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GstVideoCodecState *codec_state;
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GAsyncQueue *buffers;
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GAsyncQueue *frames;
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GstVaapiParserState parser_state;
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GstVaapiDecoderStateChangedFunc codec_state_changed_func;
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gpointer codec_state_changed_data;
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};
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/**
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* GstVaapiDecoderClass:
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*
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* A VA decoder base class.
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*/
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struct _GstVaapiDecoderClass
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{
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/*< private >*/
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GstObjectClass parent_class;
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GstVaapiDecoderStatus (*parse) (GstVaapiDecoder * decoder,
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GstAdapter * adapter, gboolean at_eos,
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struct _GstVaapiDecoderUnit * unit);
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GstVaapiDecoderStatus (*decode) (GstVaapiDecoder * decoder,
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struct _GstVaapiDecoderUnit * unit);
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GstVaapiDecoderStatus (*start_frame) (GstVaapiDecoder * decoder,
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struct _GstVaapiDecoderUnit * unit);
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GstVaapiDecoderStatus (*end_frame) (GstVaapiDecoder * decoder);
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GstVaapiDecoderStatus (*flush) (GstVaapiDecoder * decoder);
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GstVaapiDecoderStatus (*reset) (GstVaapiDecoder * decoder);
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GstVaapiDecoderStatus (*decode_codec_data) (GstVaapiDecoder * decoder,
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const guchar * buf, guint buf_size);
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};
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_picture_size (GstVaapiDecoder * decoder,
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guint width, guint height);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_framerate (GstVaapiDecoder * decoder,
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guint fps_n, guint fps_d);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_pixel_aspect_ratio (GstVaapiDecoder * decoder,
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guint par_n, guint par_d);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_interlace_mode (GstVaapiDecoder * decoder,
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GstVideoInterlaceMode mode);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_interlaced (GstVaapiDecoder * decoder,
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gboolean interlaced);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_set_multiview_mode (GstVaapiDecoder * decoder,
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gint views, GstVideoMultiviewMode mv_mode, GstVideoMultiviewFlags mv_flags);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_decoder_ensure_context (GstVaapiDecoder * decoder,
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GstVaapiContextInfo * cip);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_push_frame (GstVaapiDecoder * decoder,
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GstVideoCodecFrame * frame);
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G_GNUC_INTERNAL
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GstVaapiDecoderStatus
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gst_vaapi_decoder_decode_codec_data (GstVaapiDecoder * decoder);
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G_END_DECLS
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#endif /* GST_VAAPI_DECODER_PRIV_H */
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