1 /* GStreamer Wavpack encoder plugin
2 * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
4 * gstwavpackenc.h: Wavpack audio encoder
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_WAVPACK_ENC_H__
23 #define __GST_WAVPACK_ENC_H__
26 #include <gst/audio/gstaudioencoder.h>
28 #include <wavpack/wavpack.h>
31 #define GST_TYPE_WAVPACK_ENC \
32 (gst_wavpack_enc_get_type())
33 #define GST_WAVPACK_ENC(obj) \
34 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPACK_ENC,GstWavpackEnc))
35 #define GST_WAVPACK_ENC_CLASS(klass) \
36 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_ENC,GstWavpackEnc))
37 #define GST_IS_WAVPACK_ENC(obj) \
38 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPACK_ENC))
39 #define GST_IS_WAVPACK_ENC_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPACK_ENC))
41 typedef struct _GstWavpackEnc GstWavpackEnc;
42 typedef struct _GstWavpackEncClass GstWavpackEncClass;
47 GstWavpackEnc *wavpack_enc;
49 } GstWavpackEncWriteID;
54 GstAudioEncoder element;
59 GstFlowReturn srcpad_last_return;
60 GstFlowReturn wvcsrcpad_last_return;
62 WavpackConfig *wp_config;
63 WavpackContext *wp_context;
68 gint8 channel_mapping[8];
69 gboolean need_channel_remap;
72 GstWavpackEncWriteID wv_id;
73 GstWavpackEncWriteID wvc_id;
78 guint correction_mode;
80 GChecksum *md5_context;
81 guint extra_processing;
82 guint joint_stereo_mode;
85 int32_t first_block_size;
87 GstBuffer *pending_buffer;
88 gint32 pending_offset;
89 GstEvent *pending_segment;
91 GstClockTime timestamp_offset;
95 struct _GstWavpackEncClass
97 GstAudioEncoderClass parent;
100 GType gst_wavpack_enc_get_type (void);
102 gboolean gst_wavpack_enc_plugin_init (GstPlugin * plugin);
105 #endif /* __GST_WAVPACK_ENC_H__ */