1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
49 struct _AvcDecoder
50 {
51 GstElement element;
52
53 GstPad *sinkpad; // input port for MPEG-4 audio
54 GstPad *srcpad; // output port for PCM samples
55
56 VDADecoder decoder; // the Video Decode Acceleration framework decoder reference
57 VDADecoderOutputCallback* outputCallback; // the callback which receives decoded frames
58
59 gboolean is_initialized; // whether this structure is initialized
60 gboolean is_newsegment; // whether a new segment has been received
61 volatile gboolean is_flushing; // element is between flush start and stop
62 gboolean is_stride_set; // whether the output buffer stride has been set
63
64 gint64 segment_start; // the start time of the segment
65
66 GstClockTime frame_duration; // the duration of a single video frame (nsec)
67
68 GQueue* ordered_frames; // decoded frames sorted into order of increasign time stamp
69
70 GstClockTime previous_timestamp; // the timestamp of the most recent preceding frame
71 GstClockTime timestamp_ceil; // increment above previous timestamp in which frame should fall
72 };
73
74 struct _AvcDecoderClass
75 {
76 GstElementClass parent_class;
77 };
78
79 GType avcdecoder_get_type (void);
80 gboolean avcdecoder_plugin_init (GstPlugin * avcdecoder);
81
82 G_END_DECLS
83
84 #endif /* __AVCDECODER_H__ */
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1 /*
2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
49 struct _AvcDecoder
50 {
51 GstElement element;
52
53 GstPad *sinkpad; // input port for MPEG-4 audio
54 GstPad *srcpad; // output port for PCM samples
55
56 VDADecoder decoder; // the Video Decode Acceleration framework decoder reference
57 VDADecoderOutputCallback* outputCallback; // the callback which receives decoded frames
58
59 gboolean is_initialized; // whether this structure is initialized
60 gboolean is_newsegment; // whether a new segment has been received
61 volatile gboolean is_flushing; // element is between flush start and stop
62 gboolean is_stride_set; // whether the output buffer stride has been set
63
64 gint64 segment_start; // the start time of the segment
65
66 GstClockTime frame_duration; // the duration of a single video frame (nsec)
67
68 GQueue* ordered_frames; // decoded frames sorted into order of increasign time stamp
69 GMutex* mutex; // synchronize frames queue access
70
71 GstClockTime previous_timestamp; // the timestamp of the most recent preceding frame
72 GstClockTime timestamp_ceil; // increment above previous timestamp in which frame should fall
73 };
74
75 struct _AvcDecoderClass
76 {
77 GstElementClass parent_class;
78 };
79
80 GType avcdecoder_get_type (void);
81 gboolean avcdecoder_plugin_init (GstPlugin * avcdecoder);
82
83 G_END_DECLS
84
85 #endif /* __AVCDECODER_H__ */
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