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88 lines
2.8 KiB
88 lines
2.8 KiB
/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
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*/
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#ifndef MSAVDECODER_H
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#define MSAVDECODER_H
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#include "msfilter.h"
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#include <avcodec.h>
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/*this is the class that implements a AVdecoder filter*/
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#define MSAVDECODER_MAX_INPUTS 1 /* max output per filter*/
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struct _MSAVDecoder
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{
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/* the MSAVDecoder derivates from MSFilter, so the MSFilter object MUST be the first of the MSAVDecoder object
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in order to the object mechanism to work*/
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MSFilter filter;
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MSQueue *q_inputs[MSAVDECODER_MAX_INPUTS];
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MSQueue *q_outputs[MSAVDECODER_MAX_INPUTS];
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AVCodec *av_codec; /*the AVCodec from which this MSFilter is related */
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AVCodecContext av_context; /* the context of the AVCodec */
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gint av_opened;
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int output_pix_fmt;
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int width;
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int height;
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int skip_gob;
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unsigned char buf_compressed[100000];
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int buf_size;
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MSBuffer *obufwrap; /* alternate buffer, when format change is needed*/
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};
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typedef struct _MSAVDecoder MSAVDecoder;
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struct _MSAVDecoderClass
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{
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/* the MSAVDecoder derivates from MSFilter, so the MSFilter class MUST be the first of the MSAVDecoder class
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in order to the class mechanism to work*/
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MSFilterClass parent_class;
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};
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typedef struct _MSAVDecoderClass MSAVDecoderClass;
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/* PUBLIC */
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#define MS_AVDECODER(filter) ((MSAVDecoder*)(filter))
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#define MS_AVDECODER_CLASS(klass) ((MSAVDecoderClass*)(klass))
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MSFilter *ms_h263_decoder_new();
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MSFilter *ms_mpeg_decoder_new();
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MSFilter *ms_mpeg4_decoder_new();
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MSFilter * ms_AVdecoder_new_with_codec(enum CodecID codec_id);
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gint ms_AVdecoder_set_format(MSAVDecoder *dec, gchar *fmt);
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void ms_AVdecoder_set_width(MSAVDecoder *av,gint w);
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void ms_AVdecoder_set_height(MSAVDecoder *av,gint h);
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/* FOR INTERNAL USE*/
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void ms_AVdecoder_init(MSAVDecoder *r, AVCodec *codec);
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void ms_AVdecoder_uninit(MSAVDecoder *enc);
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void ms_AVdecoder_class_init(MSAVDecoderClass *klass);
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void ms_AVdecoder_destroy( MSAVDecoder *obj);
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void ms_AVdecoder_process(MSAVDecoder *r);
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void ms_AVCodec_init();
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#endif
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