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 #ifndef __GST_FFMPEGAUDDEC_H__ 20 #define __GST_FFMPEGAUDDEC_H__ 21 22 #include <glib.h> 23 24 G_BEGIN_DECLS 25 26 #include <gst/gst.h> 27 #include <gst/audio/audio.h> 28 #include <libavcodec/avcodec.h> 29 30 typedef struct _GstFFMpegAudDec GstFFMpegAudDec; 31 struct _GstFFMpegAudDec 32 { 33 GstAudioDecoder parent; 34 35 /* decoding */ 36 AVCodecContext *context; 37 gboolean opened; 38 39 AVFrame *frame; 40 41 guint8 *padded; 42 gint padded_size; 43 44 /* prevent reopening the decoder on GST_EVENT_CAPS when caps are same as last time. */ 45 GstCaps *last_caps; 46 47 /* current output format */ 48 GstAudioInfo info; 49 GstAudioChannelPosition ffmpeg_layout[64]; 50 gboolean needs_reorder; 51 }; 52 53 typedef struct _GstFFMpegAudDecClass GstFFMpegAudDecClass; 54 55 struct _GstFFMpegAudDecClass 56 { 57 GstAudioDecoderClass parent_class; 58 59 AVCodec *in_plugin; 60 GstPadTemplate *srctempl, *sinktempl; 61 }; 62 63 #define GST_TYPE_FFMPEGDEC \ 64 (gst_ffmpegauddec_get_type()) 65 #define GST_FFMPEGDEC(obj) \ 66 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGDEC,GstFFMpegAudDec)) 67 #define GST_FFMPEGAUDDEC_CLASS(klass) \ 68 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGDEC,GstFFMpegAudDecClass)) 69 #define GST_IS_FFMPEGDEC(obj) \ 70 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGDEC)) 71 #define GST_IS_FFMPEGAUDDEC_CLASS(klass) \ 72 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGDEC)) 73 74 G_END_DECLS 75 76 #endif 77