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1b9f99d19f
Split plugin into features including dynamic types which can be indiviually registered during a static build. More details here: https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199 https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly/-/merge_requests/79>
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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_MPEG2DEC_H__
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#define __GST_MPEG2DEC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideodecoder.h>
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#include <mpeg2.h>
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G_BEGIN_DECLS
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#define GST_TYPE_MPEG2DEC \
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(gst_mpeg2dec_get_type())
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#define GST_MPEG2DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEG2DEC,GstMpeg2dec))
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#define GST_MPEG2DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEG2DEC,GstMpeg2decClass))
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#define GST_IS_MPEG2DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEG2DEC))
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#define GST_IS_MPEG2DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEG2DEC))
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#define MPEG_TIME_TO_GST_TIME(time) ((time) == -1 ? -1 : ((time) * (GST_MSECOND/10)) / G_GINT64_CONSTANT(9))
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#define GST_TIME_TO_MPEG_TIME(time) ((time) == -1 ? -1 : ((time) * G_GINT64_CONSTANT(9)) / (GST_MSECOND/10))
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typedef struct _GstMpeg2dec GstMpeg2dec;
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typedef struct _GstMpeg2decClass GstMpeg2decClass;
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typedef enum
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{
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MPEG2DEC_DISC_NONE = 0,
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MPEG2DEC_DISC_NEW_PICTURE,
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MPEG2DEC_DISC_NEW_KEYFRAME
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} DiscontState;
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struct _GstMpeg2dec {
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GstVideoDecoder element;
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mpeg2dec_t *decoder;
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const mpeg2_info_t *info;
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/* Buffer lifetime management */
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GList *buffers;
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/* FIXME This should not be necessary. It is used to prevent image
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* corruption when the parser does not behave the way it should.
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* See https://bugzilla.gnome.org/show_bug.cgi?id=674238
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*/
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DiscontState discont_state;
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/* video state */
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GstVideoCodecState *input_state;
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GstVideoInfo decoded_info;
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GstVideoAlignment valign;
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GstBufferPool * downstream_pool;
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gboolean need_alignment;
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guint8 *dummybuf[4];
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};
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struct _GstMpeg2decClass {
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GstVideoDecoderClass parent_class;
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};
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GType gst_mpeg2dec_get_type(void);
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GST_ELEMENT_REGISTER_DECLARE (mpeg2dec);
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G_END_DECLS
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#endif /* __GST_MPEG2DEC_H__ */
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