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105 lines
2.7 KiB
C
105 lines
2.7 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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 "gstvdpdevice.h"
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#include "gstvdpvideobuffer.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_NEED_SEQUENCE,
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GST_VDP_MPEG_DEC_NEED_GOP,
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GST_VDP_MPEG_DEC_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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GstElement element;
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/* pads */
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GstPad *src;
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GstPad *sink;
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GstVdpDevice *device;
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VdpDecoderProfile profile;
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VdpDecoder decoder;
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/* stream info */
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gint width, height;
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gint fps_n, fps_d;
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gboolean interlaced;
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gint version;
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/* decoder state */
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GstVdpMpegDecState state;
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/* currently decoded frame info */
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GstAdapter *adapter;
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VdpPictureInfoMPEG1Or2 vdp_info;
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guint64 frame_nr;
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GstClockTime duration;
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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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GstBuffer *f_buffer;
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GstBuffer *b_buffer;
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/* calculated timestamp, size and duration */
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GstClockTime next_timestamp;
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guint64 accumulated_size;
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guint64 accumulated_duration;
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/* seek data */
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GstSegment segment;
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gboolean seeking;
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gint64 byterate;
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/* mutex */
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GMutex *mutex;
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};
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struct _GstVdpMpegDecClass
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{
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GstElementClass element_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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