gstreamer/sys/vdpau/mpeg/gstvdpmpegdec.h

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/*
* GStreamer
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
*
* 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.
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*/
#ifndef __GST_VDP_MPEG_DEC_H__
#define __GST_VDP_MPEG_DEC_H__
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#include <gst/gst.h>
#include <gst/base/gstadapter.h>
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#include "../gstvdpdecoder.h"
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G_BEGIN_DECLS
typedef struct _GstVdpMpegStreamInfo GstVdpMpegStreamInfo;
struct _GstVdpMpegStreamInfo
{
gint width, height;
gint fps_n, fps_d;
gint par_n, par_d;
gboolean interlaced;
gint version;
VdpDecoderProfile profile;
};
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#define GST_TYPE_VDP_MPEG_DEC (gst_vdp_mpeg_dec_get_type())
#define GST_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VDP_MPEG_DEC,GstVdpMpegDec))
#define GST_VDP_MPEG_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VDP_MPEG_DEC,GstVdpMpegDecClass))
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#define GST_IS_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VDP_MPEG_DEC))
#define GST_IS_VDP_MPEG_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VDP_MPEG_DEC))
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typedef enum {
GST_VDP_MPEG_DEC_STATE_NEED_SEQUENCE,
GST_VDP_MPEG_DEC_STATE_NEED_GOP,
GST_VDP_MPEG_DEC_STATE_NEED_DATA
} GstVdpMpegDecState;
typedef struct _GstVdpMpegDec GstVdpMpegDec;
typedef struct _GstVdpMpegDecClass GstVdpMpegDecClass;
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struct _GstVdpMpegDec
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{
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GstVdpDecoder vdp_decoder;
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VdpDecoder decoder;
GstVdpMpegStreamInfo stream_info;
/* decoder state */
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
GstVdpMpegDecState state;
gint prev_packet;
/* currently decoded frame info */
VdpPictureInfoMPEG1Or2 vdp_info;
guint64 frame_nr;
/* frame_nr from GOP */
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guint64 gop_frame;
/* forward and backward reference */
GstVideoCodecFrame *f_frame, *b_frame;
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};
struct _GstVdpMpegDecClass
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{
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GstVdpDecoderClass vdp_decoder_class;
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};
GType gst_vdp_mpeg_dec_get_type (void);
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G_END_DECLS
#endif /* __GST_VDP_MPEG_DEC_H__ */