| /* |
| 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 parent_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 |