vlc_codec.h
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- /*****************************************************************************
- * vlc_codec.h: codec related structures
- *****************************************************************************
- * Copyright (C) 1999-2003 VideoLAN
- * $Id: vlc_codec.h 8531 2004-08-26 21:27:06Z gbazin $
- *
- * Authors: Gildas Bazin <gbazin@netcourrier.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifndef _VLC_CODEC_H
- #define _VLC_CODEC_H 1
- /**
- * file
- * This file defines the structure and types used by decoders and encoders
- */
- typedef struct decoder_owner_sys_t decoder_owner_sys_t;
- /**
- * defgroup decoder Decoder
- *
- * The structure describing a decoder
- *
- * @{
- */
- struct decoder_t
- {
- VLC_COMMON_MEMBERS
- /* Module properties */
- module_t * p_module;
- decoder_sys_t * p_sys;
- /* Input format ie from demuxer (XXX: a lot of field could be invalid) */
- es_format_t fmt_in;
- /* Output format of decoder/packetizer */
- es_format_t fmt_out;
- /* Some decoders only accept packetized data (ie. not truncated) */
- vlc_bool_t b_need_packetized;
- /* Tell the decoder if it is allowed to drop frames */
- vlc_bool_t b_pace_control;
- picture_t * ( * pf_decode_video )( decoder_t *, block_t ** );
- aout_buffer_t * ( * pf_decode_audio )( decoder_t *, block_t ** );
- subpicture_t * ( * pf_decode_sub) ( decoder_t *, block_t ** );
- block_t * ( * pf_packetize ) ( decoder_t *, block_t ** );
- /*
- * Buffers allocation
- */
- /* Audio output callbacks */
- aout_buffer_t * ( * pf_aout_buffer_new) ( decoder_t *, int );
- void ( * pf_aout_buffer_del) ( decoder_t *, aout_buffer_t * );
- /* Video output callbacks */
- picture_t * ( * pf_vout_buffer_new) ( decoder_t * );
- void ( * pf_vout_buffer_del) ( decoder_t *, picture_t * );
- void ( * pf_picture_link) ( decoder_t *, picture_t * );
- void ( * pf_picture_unlink) ( decoder_t *, picture_t * );
- /* SPU output callbacks */
- subpicture_t * ( * pf_spu_buffer_new) ( decoder_t * );
- void ( * pf_spu_buffer_del) ( decoder_t *, subpicture_t * );
- /* Private structure for the owner of the decoder */
- decoder_owner_sys_t *p_owner;
- };
- /**
- * @}
- */
- /**
- * defgroup decoder Encoder
- *
- * The structure describing a Encoder
- *
- * @{
- */
- struct encoder_t
- {
- VLC_COMMON_MEMBERS
- /* Module properties */
- module_t * p_module;
- encoder_sys_t * p_sys;
- /* Properties of the input data fed to the encoder */
- es_format_t fmt_in;
- /* Properties of the output of the encoder */
- es_format_t fmt_out;
- block_t * ( * pf_encode_video )( encoder_t *, picture_t * );
- block_t * ( * pf_encode_audio )( encoder_t *, aout_buffer_t * );
- block_t * ( * pf_encode_sub )( encoder_t *, subpicture_t * );
- /* Common encoder options */
- int i_threads; /* Number of threads to use during encoding */
- int i_iframes; /* One I frame per i_iframes */
- int i_bframes; /* One B frame per i_bframes */
- int i_tolerance; /* Bitrate tolerance */
- /* Encoder config */
- sout_cfg_t *p_cfg;
- };
- /**
- * @}
- */
- #endif /* _VLC_CODEC_H */