gstreamer/ext/libav/gstavauddec.h

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