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78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_FFMPEGAUDDEC_H__
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#define __GST_FFMPEGAUDDEC_H__
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G_BEGIN_DECLS
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <gst/audio/gstaudiodecoder.h>
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#include <libavcodec/avcodec.h>
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typedef struct _GstFFMpegAudDec GstFFMpegAudDec;
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struct _GstFFMpegAudDec
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{
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GstAudioDecoder parent;
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/* decoding */
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AVCodecContext *context;
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gboolean opened;
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AVFrame *frame;
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guint8 *padded;
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guint padded_size;
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/* prevent reopening the decoder on GST_EVENT_CAPS when caps are same as last time. */
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GstCaps *last_caps;
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/* Stores current buffers to push as GstAudioDecoder wants 1:1 mapping for input/output buffers */
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GstBuffer *outbuf;
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/* current output format */
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GstAudioInfo info;
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GstAudioChannelPosition ffmpeg_layout[64];
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gboolean needs_reorder;
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};
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typedef struct _GstFFMpegAudDecClass GstFFMpegAudDecClass;
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struct _GstFFMpegAudDecClass
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{
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GstAudioDecoderClass parent_class;
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AVCodec *in_plugin;
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GstPadTemplate *srctempl, *sinktempl;
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};
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#define GST_TYPE_FFMPEGDEC \
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(gst_ffmpegauddec_get_type())
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#define GST_FFMPEGDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGDEC,GstFFMpegAudDec))
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#define GST_FFMPEGAUDDEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGDEC,GstFFMpegAudDecClass))
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#define GST_IS_FFMPEGDEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGDEC))
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#define GST_IS_FFMPEGAUDDEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGDEC))
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G_END_DECLS
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#endif
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