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/*
* gstvaapidecoder_priv.h - VA decoder abstraction (private definitions)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_DECODER_PRIV_H
#define GST_VAAPI_DECODER_PRIV_H
#include <glib.h>
#include <gst/vaapi/gstvaapidecoder.h>
#include <gst/vaapi/gstvaapidecoder_unit.h>
#include <gst/vaapi/gstvaapicontext.h>
#include "gstvaapiminiobject.h"
G_BEGIN_DECLS
#define GST_VAAPI_DECODER_CAST(decoder) \
((GstVaapiDecoder *)(decoder))
#define GST_VAAPI_DECODER_CLASS(klass) \
((GstVaapiDecoderClass *)(klass))
#define GST_VAAPI_IS_DECODER_CLASS(klass) \
((klass) != NULL))
#define GST_VAAPI_DECODER_GET_CLASS(obj) \
GST_VAAPI_DECODER_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(obj))
typedef struct _GstVaapiDecoderClass GstVaapiDecoderClass;
struct _GstVaapiDecoderUnit;
/**
* GST_VAAPI_PARSER_STATE:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiParserState of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_PARSER_STATE
#define GST_VAAPI_PARSER_STATE(decoder) \
(&GST_VAAPI_DECODER_CAST(decoder)->parser_state)
/**
* GST_VAAPI_DECODER_DISPLAY:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiDisplay of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_DISPLAY
#define GST_VAAPI_DECODER_DISPLAY(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->display
/**
* GST_VAAPI_DECODER_CONTEXT:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiContext of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CONTEXT
#define GST_VAAPI_DECODER_CONTEXT(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->context
/**
* GST_VAAPI_DECODER_CODEC:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiCodec of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CODEC
#define GST_VAAPI_DECODER_CODEC(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->codec
/**
* GST_VAAPI_DECODER_CODEC_STATE:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVideoCodecState holding codec state
* for @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CODEC_STATE
#define GST_VAAPI_DECODER_CODEC_STATE(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->codec_state
/**
* GST_VAAPI_DECODER_CODEC_DATA:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstBuffer holding optional codec data
* for @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CODEC_DATA
#define GST_VAAPI_DECODER_CODEC_DATA(decoder) \
GST_VAAPI_DECODER_CODEC_STATE(decoder)->codec_data
/**
* GST_VAAPI_DECODER_CODEC_FRAME:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVideoCodecFrame holding decoder
* units for the current frame.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CODEC_FRAME
#define GST_VAAPI_DECODER_CODEC_FRAME(decoder) \
GST_VAAPI_PARSER_STATE(decoder)->current_frame
/**
* GST_VAAPI_DECODER_WIDTH:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the coded width of the picture
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_WIDTH
#define GST_VAAPI_DECODER_WIDTH(decoder) \
GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.width
/**
* GST_VAAPI_DECODER_HEIGHT:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the coded height of the picture
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_HEIGHT
#define GST_VAAPI_DECODER_HEIGHT(decoder) \
GST_VAAPI_DECODER_CODEC_STATE(decoder)->info.height
/* End-of-Stream buffer */
#define GST_BUFFER_FLAG_EOS (GST_BUFFER_FLAG_LAST + 0)
#define GST_BUFFER_IS_EOS(buffer) \
GST_BUFFER_FLAG_IS_SET(buffer, GST_BUFFER_FLAG_EOS)
#define GST_VAAPI_DECODER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_DECODER, \
GstVaapiDecoderPrivate))
typedef enum {
GST_VAAPI_DECODER_STATUS_DROP_FRAME = -2
} GstVaapiDecoderStatusPrivate;
typedef struct _GstVaapiParserState GstVaapiParserState;
struct _GstVaapiParserState
{
GstVideoCodecFrame *current_frame;
guint32 current_frame_number;
GstAdapter *current_adapter;
GstAdapter *input_adapter;
gint input_offset1;
gint input_offset2;
GstAdapter *output_adapter;
GstVaapiDecoderUnit next_unit;
guint next_unit_pending:1;
guint at_eos:1;
};
/**
* GstVaapiDecoder:
*
* A VA decoder base instance.
*/
struct _GstVaapiDecoder
{
/*< private >*/
GstVaapiMiniObject parent_instance;
gpointer user_data;
GstVaapiDisplay *display;
VADisplay va_display;
GstVaapiContext *context;
VAContextID va_context;
GstVaapiCodec codec;
GstVideoCodecState *codec_state;
GAsyncQueue *buffers;
GAsyncQueue *frames;
GstVaapiParserState parser_state;
GstVaapiDecoderStateChangedFunc codec_state_changed_func;
gpointer codec_state_changed_data;
};
/**
* GstVaapiDecoderClass:
*
* A VA decoder base class.
*/
struct _GstVaapiDecoderClass
{
/*< private >*/
GstVaapiMiniObjectClass parent_class;
gboolean (*create) (GstVaapiDecoder * decoder);
void (*destroy) (GstVaapiDecoder * decoder);
GstVaapiDecoderStatus (*parse) (GstVaapiDecoder * decoder,
GstAdapter * adapter, gboolean at_eos,
struct _GstVaapiDecoderUnit * unit);
GstVaapiDecoderStatus (*decode) (GstVaapiDecoder * decoder,
struct _GstVaapiDecoderUnit * unit);
GstVaapiDecoderStatus (*start_frame) (GstVaapiDecoder * decoder,
struct _GstVaapiDecoderUnit * unit);
GstVaapiDecoderStatus (*end_frame) (GstVaapiDecoder * decoder);
GstVaapiDecoderStatus (*flush) (GstVaapiDecoder * decoder);
GstVaapiDecoderStatus (*decode_codec_data) (GstVaapiDecoder * decoder,
const guchar * buf, guint buf_size);
};
G_GNUC_INTERNAL
GstVaapiDecoder *
gst_vaapi_decoder_new (const GstVaapiDecoderClass * klass,
GstVaapiDisplay * display, GstCaps * caps);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_finalize (GstVaapiDecoder * decoder);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_picture_size (GstVaapiDecoder * decoder,
guint width, guint height);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_framerate (GstVaapiDecoder * decoder,
guint fps_n, guint fps_d);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_pixel_aspect_ratio (GstVaapiDecoder * decoder,
guint par_n, guint par_d);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_interlace_mode (GstVaapiDecoder * decoder,
GstVideoInterlaceMode mode);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_interlaced (GstVaapiDecoder * decoder,
gboolean interlaced);
#if GST_CHECK_VERSION(1,5,0)
G_GNUC_INTERNAL
void
gst_vaapi_decoder_set_multiview_mode (GstVaapiDecoder * decoder,
gint views, GstVideoMultiviewMode mv_mode, GstVideoMultiviewFlags mv_flags);
#endif
G_GNUC_INTERNAL
gboolean
gst_vaapi_decoder_ensure_context (GstVaapiDecoder * decoder,
GstVaapiContextInfo * cip);
G_GNUC_INTERNAL
void
gst_vaapi_decoder_push_frame (GstVaapiDecoder * decoder,
GstVideoCodecFrame * frame);
G_GNUC_INTERNAL
GstVaapiDecoderStatus
gst_vaapi_decoder_decode_codec_data (GstVaapiDecoder * decoder);
G_END_DECLS
#endif /* GST_VAAPI_DECODER_PRIV_H */
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