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/*
The mediastreamer library aims at providing modular media processing and I/O
for linphone, but also for any telephony application.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MSAVDECODER_H
#define MSAVDECODER_H
#include "msfilter.h"
#include <avcodec.h>
/*this is the class that implements a AVdecoder filter*/
#define MSAVDECODER_MAX_INPUTS 1 /* max output per filter*/
struct _MSAVDecoder
{
/* the MSAVDecoder derivates from MSFilter, so the MSFilter object MUST be the first of the MSAVDecoder object
in order to the object mechanism to work*/
MSFilter filter;
MSQueue *q_inputs[MSAVDECODER_MAX_INPUTS];
MSQueue *q_outputs[MSAVDECODER_MAX_INPUTS];
AVCodec *av_codec; /*the AVCodec from which this MSFilter is related */
AVCodecContext av_context; /* the context of the AVCodec */
gint av_opened;
int output_pix_fmt;
int width;
int height;
int skip_gob;
unsigned char buf_compressed[100000];
int buf_size;
MSBuffer *obufwrap; /* alternate buffer, when format change is needed*/
};
typedef struct _MSAVDecoder MSAVDecoder;
struct _MSAVDecoderClass
{
/* the MSAVDecoder derivates from MSFilter, so the MSFilter class MUST be the first of the MSAVDecoder class
in order to the class mechanism to work*/
MSFilterClass tqparent_class;
};
typedef struct _MSAVDecoderClass MSAVDecoderClass;
/* PUBLIC */
#define MS_AVDECODER(filter) ((MSAVDecoder*)(filter))
#define MS_AVDECODER_CLASS(klass) ((MSAVDecoderClass*)(klass))
MSFilter *ms_h263_decoder_new();
MSFilter *ms_mpeg_decoder_new();
MSFilter *ms_mpeg4_decoder_new();
MSFilter * ms_AVdecoder_new_with_codec(enum CodecID codec_id);
gint ms_AVdecoder_set_format(MSAVDecoder *dec, gchar *fmt);
void ms_AVdecoder_set_width(MSAVDecoder *av,gint w);
void ms_AVdecoder_set_height(MSAVDecoder *av,gint h);
/* FOR INTERNAL USE*/
void ms_AVdecoder_init(MSAVDecoder *r, AVCodec *codec);
void ms_AVdecoder_uninit(MSAVDecoder *enc);
void ms_AVdecoder_class_init(MSAVDecoderClass *klass);
void ms_AVdecoder_destroy( MSAVDecoder *obj);
void ms_AVdecoder_process(MSAVDecoder *r);
void ms_AVCodec_init();
#endif
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