mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
b7aa03570c
GstVdpVideoSrcPad takes care of caps negotiation and conversion of GstVdpVideoBuffers to the negotiated output format.
103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_VDP_MPEG_DEC_H__
|
|
#define __GST_VDP_MPEG_DEC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
#include "gstvdpvideobuffer.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#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))
|
|
#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))
|
|
|
|
typedef enum {
|
|
GST_VDP_MPEG_DEC_NEED_SEQUENCE,
|
|
GST_VDP_MPEG_DEC_NEED_GOP,
|
|
GST_VDP_MPEG_DEC_NEED_DATA
|
|
} GstVdpMpegDecState;
|
|
|
|
typedef struct _GstVdpMpegDec GstVdpMpegDec;
|
|
typedef struct _GstVdpMpegDecClass GstVdpMpegDecClass;
|
|
|
|
struct _GstVdpMpegDec
|
|
{
|
|
GstElement element;
|
|
|
|
/* pads */
|
|
GstPad *src;
|
|
GstPad *sink;
|
|
|
|
VdpDecoderProfile profile;
|
|
VdpDecoder decoder;
|
|
|
|
/* stream info */
|
|
gint width, height;
|
|
gint fps_n, fps_d;
|
|
gboolean interlaced;
|
|
gint version;
|
|
|
|
/* decoder state */
|
|
GstVdpMpegDecState state;
|
|
|
|
/* currently decoded frame info */
|
|
GstAdapter *adapter;
|
|
VdpPictureInfoMPEG1Or2 vdp_info;
|
|
guint64 frame_nr;
|
|
GstClockTime duration;
|
|
|
|
/* frame_nr from GOP */
|
|
guint64 gop_frame;
|
|
|
|
/* forward and backward reference */
|
|
GstVdpVideoBuffer *f_buffer;
|
|
GstVdpVideoBuffer *b_buffer;
|
|
|
|
/* calculated timestamp, size and duration */
|
|
GstClockTime next_timestamp;
|
|
guint64 accumulated_size;
|
|
guint64 accumulated_duration;
|
|
|
|
/* seek data */
|
|
GstSegment segment;
|
|
gboolean seeking;
|
|
gint64 byterate;
|
|
|
|
/* mutex */
|
|
GMutex *mutex;
|
|
|
|
};
|
|
|
|
struct _GstVdpMpegDecClass
|
|
{
|
|
GstElementClass element_class;
|
|
};
|
|
|
|
GType gst_vdp_mpeg_dec_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VDP_MPEG_DEC_H__ */
|