1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 
21 #ifndef __GST_FLAC_ENC_H__
22 #define __GST_FLAC_ENC_H__
23 
24 #include <gst/gst.h>
25 #include <gst/audio/gstaudioencoder.h>
26 
27 #include <FLAC/all.h>
28 
29 G_BEGIN_DECLS
30 
31 #define GST_TYPE_FLAC_ENC (gst_flac_enc_get_type())
32 #define GST_FLAC_ENC(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_FLAC_ENC, GstFlacEnc)
33 #define GST_FLAC_ENC_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_FLAC_ENC, GstFlacEncClass)
34 #define GST_IS_FLAC_ENC(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_FLAC_ENC)
35 #define GST_IS_FLAC_ENC_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_FLAC_ENC)
36 
37 typedef struct _GstFlacEnc GstFlacEnc;
38 typedef struct _GstFlacEncClass GstFlacEncClass;
39 
40 struct _GstFlacEnc {
41   GstAudioEncoder  element;
42 
43   /* < private > */
44 
45   GstFlowReturn  last_flow; /* save flow from last push so we can pass the
46                              * correct flow return upstream in case the push
47                              * fails for some reason */
48 
49   guint64        offset;
50   gint           quality;
51   gboolean       stopped;
52   guint           padding;
53   gint            seekpoints;
54 
55   FLAC__StreamEncoder *encoder;
56 
57   FLAC__StreamMetadata **meta;
58 
59   GstTagList *     tags;
60   GstToc *         toc;
61 
62   guint64          samples_in;
63   guint64          samples_out;
64   gboolean         eos;
65   /* queue headers until we have them all so we can add streamheaders to caps */
66   gboolean         got_headers;
67   GList           *headers;
68 
69   gint             channel_reorder_map[8];
70 };
71 
72 struct _GstFlacEncClass {
73   GstAudioEncoderClass parent_class;
74 };
75 
76 GType gst_flac_enc_get_type(void);
77 
78 G_END_DECLS
79 
80 #endif /* __GST_FLAC_ENC_H__ */
81