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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VDP_MPEG_DEC_H__
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#define __GST_VDP_MPEG_DEC_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "../gstvdp/gstvdpdecoder.h"
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#include "gstvdpmpegframe.h"
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G_BEGIN_DECLS
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#define GST_TYPE_VDP_MPEG_DEC (gst_vdp_mpeg_dec_get_type())
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#define GST_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VDP_MPEG_DEC,GstVdpMpegDec))
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#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))
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#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 {
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GST_VDP_MPEG_DEC_STATE_NEED_SEQUENCE,
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GST_VDP_MPEG_DEC_STATE_NEED_GOP,
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GST_VDP_MPEG_DEC_STATE_NEED_DATA
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} GstVdpMpegDecState;
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typedef struct _GstVdpMpegDec GstVdpMpegDec;
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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;
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GstVdpMpegStreamInfo stream_info;
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/* decoder state */
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GstVdpMpegDecState state;
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gint prev_packet;
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/* currently decoded frame info */
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VdpPictureInfoMPEG1Or2 vdp_info;
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guint64 frame_nr;
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/* frame_nr from GOP */
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guint64 gop_frame;
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/* forward and backward reference */
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GstVideoFrame *f_frame, *b_frame;
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};
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struct _GstVdpMpegDecClass
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{
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GstVdpDecoderClass vdp_decoder_class;
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};
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GType gst_vdp_mpeg_dec_get_type (void);
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G_END_DECLS
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#endif /* __GST_VDP_MPEG_DEC_H__ */
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