1 /* GStreamer Speex Encoder 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_SPEEX_ENC_H__ 22 #define __GST_SPEEX_ENC_H__ 23 24 25 #include <gst/gst.h> 26 #include <gst/audio/gstaudioencoder.h> 27 28 #include <speex/speex.h> 29 #include <speex/speex_header.h> 30 31 G_BEGIN_DECLS 32 33 #define GST_TYPE_SPEEX_ENC \ 34 (gst_speex_enc_get_type()) 35 #define GST_SPEEX_ENC(obj) \ 36 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEEX_ENC,GstSpeexEnc)) 37 #define GST_SPEEX_ENC_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPEEX_ENC,GstSpeexEncClass)) 39 #define GST_IS_SPEEX_ENC(obj) \ 40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEEX_ENC)) 41 #define GST_IS_SPEEX_ENC_CLASS(klass) \ 42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEEX_ENC)) 43 44 typedef enum 45 { 46 GST_SPEEX_ENC_MODE_AUTO, 47 GST_SPEEX_ENC_MODE_UWB, 48 GST_SPEEX_ENC_MODE_WB, 49 GST_SPEEX_ENC_MODE_NB 50 } GstSpeexMode; 51 52 typedef struct _GstSpeexEnc GstSpeexEnc; 53 typedef struct _GstSpeexEncClass GstSpeexEncClass; 54 55 struct _GstSpeexEnc { 56 GstAudioEncoder element; 57 58 SpeexBits bits; 59 SpeexHeader header; 60 const SpeexMode *speex_mode; 61 void *state; 62 63 /* properties */ 64 GstSpeexMode mode; 65 gfloat quality; 66 gint bitrate; 67 gboolean vbr; 68 gint abr; 69 gboolean vad; 70 gboolean dtx; 71 gint complexity; 72 gint nframes; 73 gchar *last_message; 74 75 gint channels; 76 gint rate; 77 78 gboolean header_sent; 79 guint64 encoded_samples; 80 81 GstTagList *tags; 82 83 gint frame_size; 84 gint lookahead; 85 86 guint8 *comments; 87 gint comment_len; 88 }; 89 90 struct _GstSpeexEncClass { 91 GstAudioEncoderClass parent_class; 92 }; 93 94 GType gst_speex_enc_get_type (void); 95 96 G_END_DECLS 97 98 #endif /* __GST_SPEEXENC_H__ */ 99