470 lines
16 KiB
C
470 lines
16 KiB
C
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tmedia_codec.h
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* @brief Base codec object.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*
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*/
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#ifndef TINYMEDIA_CODEC_H
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#define TINYMEDIA_CODEC_H
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#include "tinymedia_config.h"
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#include "tmedia_common.h"
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#include "tsk_list.h"
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TMEDIA_BEGIN_DECLS
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/* =====
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* http://www.iana.org/assignments/rtp-parameters
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* http://www.networksorcery.com/enp/protocol/rtp.htm
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=====*/
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/******* Fixed Payload Type *************/
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#define TMEDIA_CODEC_FORMAT_G711u "0"
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#define TMEDIA_CODEC_FORMAT_1016 "1"
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#define TMEDIA_CODEC_FORMAT_G721 "2"
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#define TMEDIA_CODEC_FORMAT_GSM "3"
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#define TMEDIA_CODEC_FORMAT_G723 "4"
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#define TMEDIA_CODEC_FORMAT_DVI4_8000 "5"
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#define TMEDIA_CODEC_FORMAT_DVI4_16000 "6"
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#define TMEDIA_CODEC_FORMAT_LPC "7"
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#define TMEDIA_CODEC_FORMAT_G711a "8"
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#define TMEDIA_CODEC_FORMAT_G722 "9"
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#define TMEDIA_CODEC_FORMAT_L16_STEREO "10"
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#define TMEDIA_CODEC_FORMAT_L16 "11"
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#define TMEDIA_CODEC_FORMAT_QCELP "12"
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#define TMEDIA_CODEC_FORMAT_CN "13"
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#define TMEDIA_CODEC_FORMAT_MPA "14"
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#define TMEDIA_CODEC_FORMAT_G728 "15"
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#define TMEDIA_CODEC_FORMAT_DVI4_11025 "16"
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#define TMEDIA_CODEC_FORMAT_DVI4_22050 "17"
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#define TMEDIA_CODEC_FORMAT_G729 "18"
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#define TMEDIA_CODEC_FORMAT_CELLB "25"
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#define TMEDIA_CODEC_FORMAT_JPEG "26"
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#define TMEDIA_CODEC_FORMAT_NV "28"
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#define TMEDIA_CODEC_FORMAT_H261 "31"
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#define TMEDIA_CODEC_FORMAT_MPV "32"
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#define TMEDIA_CODEC_FORMAT_MP2T "33"
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#define TMEDIA_CODEC_FORMAT_H263 "34"
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/******* Dynamic Payload Type
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Must starts at 96 to be conform to RFC 5761 (rtcp-mux)
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**********/
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#define TMEDIA_CODEC_FORMAT_ILBC "96"
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#define TMEDIA_CODEC_FORMAT_SPEEX_NB "97"
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#define TMEDIA_CODEC_FORMAT_SPEEX_WB "98"
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#define TMEDIA_CODEC_FORMAT_SPEEX_UWB "99"
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#define TMEDIA_CODEC_FORMAT_VP8 "100" /* Must to ease neg. with chrome and Asterisk */
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#define TMEDIA_CODEC_FORMAT_DTMF "101"
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#define TMEDIA_CODEC_FORMAT_H263_2000 "102"
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#define TMEDIA_CODEC_FORMAT_H263_1998 "103"
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#define TMEDIA_CODEC_FORMAT_H264_BP "104"
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#define TMEDIA_CODEC_FORMAT_H264_MP "105"
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#define TMEDIA_CODEC_FORMAT_H264_HP "106"
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#define TMEDIA_CODEC_FORMAT_AMR_WBP_BE "107"
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#define TMEDIA_CODEC_FORMAT_AMR_WBP_OA "108"
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#define TMEDIA_CODEC_FORMAT_AAC "109"
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#define TMEDIA_CODEC_FORMAT_AACPLUS "110"
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#define TMEDIA_CODEC_FORMAT_OPUS "111"
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#define TMEDIA_CODEC_FORMAT_AMR_NB_BE "112"
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#define TMEDIA_CODEC_FORMAT_AMR_NB_OA "113"
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#define TMEDIA_CODEC_FORMAT_AMR_WB_BE "114"
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#define TMEDIA_CODEC_FORMAT_AMR_WB_OA "115"
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#define TMEDIA_CODEC_FORMAT_BV16 "116"
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#define TMEDIA_CODEC_FORMAT_MP4V_ES "121"
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#define TMEDIA_CODEC_FORMAT_ULPFEC "122"
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#define TMEDIA_CODEC_FORMAT_RED "123"
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#define TMEDIA_CODEC_FORMAT_T140 "124"
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#define TMEDIA_CODEC_FORMAT_THEORA "125"
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#define TMEDIA_CODEC_FORMAT_MSRP "*"
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#define TMEDIA_CODEC_FORMAT_BFCP "*"
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// @tinyWRAP
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typedef enum tmedia_codec_id_e
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{
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tmedia_codec_id_none = 0x00000000,
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tmedia_codec_id_amr_nb_oa = 0x00000001<<0,
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tmedia_codec_id_amr_nb_be = 0x00000001<<1,
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tmedia_codec_id_amr_wb_oa = 0x00000001<<2,
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tmedia_codec_id_amr_wb_be = 0x00000001<<3,
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tmedia_codec_id_gsm = 0x00000001<<4,
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tmedia_codec_id_pcma = 0x00000001<<5,
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tmedia_codec_id_pcmu = 0x00000001<<6,
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tmedia_codec_id_ilbc = 0x00000001<<7,
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tmedia_codec_id_speex_nb = 0x00000001<<8,
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tmedia_codec_id_speex_wb = 0x00000001<<9,
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tmedia_codec_id_speex_uwb = 0x00000001<<10,
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tmedia_codec_id_bv16 = 0x00000001<<11,
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tmedia_codec_id_bv32 = 0x00000001<<12,
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tmedia_codec_id_opus = 0x00000001<<13,
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tmedia_codec_id_g729ab = 0x00000001<<14,
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tmedia_codec_id_g722 = 0x00000001<<15,
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/* room for new Audio codecs */
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tmedia_codec_id_h261 = 0x00010000<<0,
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tmedia_codec_id_h263 = 0x00010000<<1,
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tmedia_codec_id_h263p = 0x00010000<<2,
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tmedia_codec_id_h263pp = 0x00010000<<3,
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tmedia_codec_id_h264_bp = 0x00010000<<4,
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tmedia_codec_id_h264_mp = 0x00010000<<5,
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tmedia_codec_id_h264_hp = 0x00010000<<6,
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tmedia_codec_id_h264_bp10 = tmedia_codec_id_h264_bp, // @deprecated
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tmedia_codec_id_h264_bp20 = tmedia_codec_id_h264_bp, // @deprecated
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tmedia_codec_id_h264_bp30 = tmedia_codec_id_h264_bp, // @deprecated
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tmedia_codec_id_h264_svc = 0x00010000<<7,
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tmedia_codec_id_theora = 0x00010000<<8,
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tmedia_codec_id_mp4ves_es = 0x00010000<<9,
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tmedia_codec_id_vp8 = 0x00010000<<10,
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/* room for new Video codecs */
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tmedia_codec_id_t140 = 0x00010000<<14,
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tmedia_codec_id_red = 0x00010000<<15,
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tmedia_codec_id_all = 0xffffffff,
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}
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tmedia_codec_id_t;
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/**Max number of plugins (codec types) we can create */
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#define TMED_CODEC_MAX_PLUGINS 0xFF
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/** cast any pointer to @ref tmedia_codec_t* object */
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#define TMEDIA_CODEC(self) ((tmedia_codec_t*)(self))
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#define TMEDIA_CODEC_RATE_DECODING(self) (TMEDIA_CODEC((self))->in.rate)
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#define TMEDIA_CODEC_RATE_ENCODING(self) (TMEDIA_CODEC((self))->out.rate)
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#define TMEDIA_CODEC_PTIME_AUDIO_DECODING(self) (TMEDIA_CODEC_AUDIO((self))->in.ptime)
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#define TMEDIA_CODEC_PTIME_AUDIO_ENCODING(self) (TMEDIA_CODEC_AUDIO((self))->out.ptime)
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#define TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(self) (TMEDIA_CODEC_AUDIO((self))->in.channels)
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#define TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(self) (TMEDIA_CODEC_AUDIO((self))->out.channels)
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#define TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_DECODING(self) ((TMEDIA_CODEC_PTIME_AUDIO_DECODING((self)) * TMEDIA_CODEC_RATE_DECODING((self)))/1000)
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#define TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_ENCODING(self) ((TMEDIA_CODEC_PTIME_AUDIO_ENCODING((self)) * TMEDIA_CODEC_RATE_ENCODING((self)))/1000)
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#define TMEDIA_CODEC_FRAME_DURATION_AUDIO_ENCODING(self) (int32_t)((float)TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_ENCODING(self) * (float)TMEDIA_CODEC_AUDIO((self))->out.timestamp_multiplier)
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/** callbacks for video codecs */
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typedef int (*tmedia_codec_video_enc_cb_f)(const tmedia_video_encode_result_xt* result);
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typedef int (*tmedia_codec_video_dec_cb_f)(const tmedia_video_decode_result_xt* result);
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struct tmedia_param_s;
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struct tsdp_header_M_s;
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typedef enum tmedia_codec_action_e
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{
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tmedia_codec_action_encode_idr,
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tmedia_codec_action_bw_down,
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tmedia_codec_action_bw_up,
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}
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tmedia_codec_action_t;
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/** Base object for all Codecs */
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typedef struct tmedia_codec_s
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{
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TSK_DECLARE_OBJECT;
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//! the type of the codec
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tmedia_type_t type;
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//! the codec identifier
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tmedia_codec_id_t id;
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//! whether the codec is opened
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tsk_bool_t opened;
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//! whether the pay. type is dyn. or not
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tsk_bool_t dyn;
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//! the name of the codec. e.g. "G.711U" or "G.711A" etc used in the sdp
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char* name;
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//! full description
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char* desc;
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//! the format. e.g. "0" for PCMU or "8" for PCMA or "*" for MSRP.
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char* format;
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//! bandwidth level
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tmedia_bandwidth_level_t bl; // @deprecated
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//! maximum bandwidth to use for outgoing RTP (INT_MAX or <=0 means undefined)
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int32_t bandwidth_max_upload;
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//! maximum bandwidth to use for incoming RTP (INT_MAX or <=0 means undefined)
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int32_t bandwidth_max_download;
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//! the negociated format (only useful for codecs with dyn. payload type)
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char* neg_format;
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//! whether this is a passthrough codec
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tsk_bool_t passthrough;
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struct{
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// !negotiated decoding rate (for codecs with dynamic rate, e.g. opus)
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uint32_t rate;
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} in; //decoding direction
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struct{
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// !negotiated encoding rate (for codecs with dynamic rate, e.g. opus)
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uint32_t rate;
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} out; //encoding direction
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//! plugin used to create the codec
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const struct tmedia_codec_plugin_def_s* plugin;
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}
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tmedia_codec_t;
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/** Virtual table used to define a codec plugin */
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typedef struct tmedia_codec_plugin_def_s
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{
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//! object definition used to create an instance of the codec
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const tsk_object_def_t* objdef;
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//! the type of the codec
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tmedia_type_t type;
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//! the codec identifier
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tmedia_codec_id_t codec_id;
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//! the name of the codec. e.g. "G.711U" or "G.711A" etc using in the sdp.
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const char* name;
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//! full description
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const char* desc;
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//! the format. e.g. "0" for PCMU or "8" for PCMA or "*" for MSRP.
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const char* format;
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//! whether the pay. type is dyn. or not
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tsk_bool_t dyn;
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uint32_t rate;
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/* default values could be updated at any time */
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struct{
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int8_t channels;
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uint8_t ptime;
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/* ...to be continued */
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} audio;
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/* default values could be updated at any time */
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struct{
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unsigned width;
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unsigned height;
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unsigned fps;
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/* ...to be continued */
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} video;
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//! set parameters
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int (*set) (tmedia_codec_t* , const struct tmedia_param_s*);
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//! open the codec
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int (*open) (tmedia_codec_t*);
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//! close the codec
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int (*close) (tmedia_codec_t*);
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//! encode data
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tsk_size_t (*encode) (tmedia_codec_t*, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size);
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//! decode data
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tsk_size_t (*decode) (tmedia_codec_t*, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size, const tsk_object_t* proto_hdr);
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//! whether the codec can handle this sdp attribute
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tsk_bool_t (* sdp_att_match) (const tmedia_codec_t*, const char* att_name, const char* att_value);
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//! gets sdp attribute value. e.g. "mode-set=0,2,5,7; mode-change-period=2; mode-change-neighbor=1"
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char* (* sdp_att_get) (const tmedia_codec_t*, const char* att_name);
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}
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tmedia_codec_plugin_def_t;
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/** List of @ref tmedia_codec_t elements */
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typedef tsk_list_t tmedia_codecs_L_t;
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/**< Declare base class as codec */
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#define TMEDIA_DECLARE_CODEC tmedia_codec_t __codec__
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TINYMEDIA_API int tmedia_codec_init(tmedia_codec_t* self, tmedia_type_t type, const char* name, const char* desc, const char* format);
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TINYMEDIA_API int tmedia_codec_set(tmedia_codec_t* self, const struct tmedia_param_s* param);
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TINYMEDIA_API int tmedia_codec_open(tmedia_codec_t* self);
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TINYMEDIA_API int tmedia_codec_close(tmedia_codec_t* self);
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TINYMEDIA_API int tmedia_codec_cmp(const tsk_object_t* codec1, const tsk_object_t* codec2);
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TINYMEDIA_API int tmedia_codec_plugin_register(const tmedia_codec_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_codec_plugin_register_2(const tmedia_codec_plugin_def_t* plugin, int prio);
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TINYMEDIA_API tsk_bool_t tmedia_codec_plugin_is_registered(const tmedia_codec_plugin_def_t* plugin);
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TINYMEDIA_API tsk_bool_t tmedia_codec_plugin_is_registered_2(tmedia_codec_id_t codec_id);
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TINYMEDIA_API int tmedia_codec_plugin_registered_get_all(const struct tmedia_codec_plugin_def_s*(** plugins)[TMED_CODEC_MAX_PLUGINS], tsk_size_t* count);
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TINYMEDIA_API const struct tmedia_codec_plugin_def_s* tmedia_codec_plugin_registered_get_const(tmedia_codec_id_t codec_id);
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TINYMEDIA_API int tmedia_codec_plugin_unregister(const tmedia_codec_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_codec_plugin_unregister_all();
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TINYMEDIA_API tmedia_codec_t* tmedia_codec_create(const char* format);
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TINYMEDIA_API char* tmedia_codec_get_rtpmap(const tmedia_codec_t* self);
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TINYMEDIA_API tsk_bool_t tmedia_codec_sdp_att_match(const tmedia_codec_t* self, const char* att_name, const char* att_value);
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TINYMEDIA_API char* tmedia_codec_sdp_att_get(const tmedia_codec_t* self, const char* att_name);
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TINYMEDIA_API int tmedia_codec_removeAll_exceptThese(tmedia_codecs_L_t* codecs, const tmedia_codecs_L_t * codecs2keep);
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TINYMEDIA_API int tmedia_codec_to_sdp(const tmedia_codecs_L_t* codecs, struct tsdp_header_M_s* m);
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TINYMEDIA_API tmedia_codec_t* tmedia_codec_find_by_format(tmedia_codecs_L_t* codecs, const char* format);
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TINYMEDIA_API int tmedia_codec_parse_fmtp(const char* fmtp, unsigned* maxbr, unsigned* fps, unsigned *width, unsigned *height);
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TINYMEDIA_API int tmedia_codec_deinit(tmedia_codec_t* self);
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/** Audio codec */
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typedef struct tmedia_codec_audio_s
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{
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TMEDIA_DECLARE_CODEC;
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struct{
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// !negotiated decoding ptime
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uint8_t ptime;
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// !negotiated decoding channels
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int8_t channels;
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// ! timestamp multiplier
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float timestamp_multiplier;
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} in; //decoding direction
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struct{
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// !negotiated decoding ptime
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uint8_t ptime;
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// !negotiated encoding channels
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int8_t channels;
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// ! timestamp multiplier
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float timestamp_multiplier;
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} out; //encoding direction
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}
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tmedia_codec_audio_t;
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/**@def TMEDIA_DECLARE_CODEC_AUDIO
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* Declares base class as audio codec.
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*/
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/**@def TMEDIA_CODEC_AUDIO
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* Cast any pointer as @ref tmedia_codec_audio_t* object.
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*/
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/**@def tmedia_codec_audio_init
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* Initialize a audio codec.
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*/
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/**@def tmedia_codec_audio_deinit
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* DeInitialize a audio codec.
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*/
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#define TMEDIA_DECLARE_CODEC_AUDIO tmedia_codec_audio_t __audio__
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#define TMEDIA_CODEC_AUDIO(self) ((tmedia_codec_audio_t*)(self))
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#define tmedia_codec_audio_init(self, name, desc, format) tmedia_codec_init(TMEDIA_CODEC(self), tmedia_audio, name, desc, format)
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#define tmedia_codec_audio_deinit(self) tmedia_codec_deinit(TMEDIA_CODEC(self))
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TINYMEDIA_API float tmedia_codec_audio_get_timestamp_multiplier(tmedia_codec_id_t id, uint32_t sample_rate);
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/** Video codec */
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typedef struct tmedia_codec_video_s
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{
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TMEDIA_DECLARE_CODEC;
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struct{
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unsigned width;
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unsigned height;
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unsigned fps;
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unsigned max_br;
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unsigned max_mbps;
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tmedia_chroma_t chroma;
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tsk_bool_t flip;
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tmedia_codec_video_dec_cb_f callback;
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tmedia_video_decode_result_xt result;
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}in;// decoded
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struct{
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unsigned width;
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unsigned height;
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unsigned fps;
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unsigned max_br;
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unsigned max_mbps;
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tmedia_chroma_t chroma;
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tsk_bool_t flip;
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tmedia_codec_video_enc_cb_f callback;
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tmedia_video_encode_result_xt result;
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}out;// encoded
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//! preferred video size
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tmedia_pref_video_size_t pref_size;
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}
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tmedia_codec_video_t;
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/**@def TMEDIA_DECLARE_CODEC_VIDEO
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* Declares base class as video codec.
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*/
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/**@def TMEDIA_CODEC_VIDEO
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* Cast any pointer as @ref tmedia_codec_video_t* object.
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*/
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/**@def tmedia_codec_video_init
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* Initialize a video codec.
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*/
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/**@def tmedia_codec_video_deinit
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* DeInitialize a video codec.
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*/
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#define TMEDIA_DECLARE_CODEC_VIDEO tmedia_codec_video_t __video__
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#define TMEDIA_CODEC_VIDEO(self) ((tmedia_codec_video_t*)(self))
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#define tmedia_codec_video_init(self, name, desc, format) tmedia_codec_init(TMEDIA_CODEC(self), tmedia_video, name, desc, format)
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TINYMEDIA_API int tmedia_codec_video_set_enc_callback(tmedia_codec_video_t *self, tmedia_codec_video_enc_cb_f callback, const void* callback_data);
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TINYMEDIA_API int tmedia_codec_video_set_dec_callback(tmedia_codec_video_t *self, tmedia_codec_video_dec_cb_f callback, const void* callback_data);
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#define tmedia_codec_video_deinit(self) tmedia_codec_deinit(TMEDIA_CODEC(self))
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/** MSRP codec */
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typedef struct tmedia_codec_msrp_s
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{
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TMEDIA_DECLARE_CODEC;
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}
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tmedia_codec_msrp_t;
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/**@def TMEDIA_DECLARE_CODEC_MSRP
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* Declares base class as msrp codec.
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*/
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/**@def TMEDIA_CODEC_MSRP
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* Cast any pointer as @ref tmedia_codec_msrp_t* object.
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*/
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/**@def tmedia_codec_msrp_init
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* Initialize a msrp codec.
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*/
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/**@def tmedia_codec_msrp_deinit
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* DeInitialize a msrp codec.
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*/
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#define TMEDIA_DECLARE_CODEC_MSRP tmedia_codec_msrp_t __msrp__
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#define TMEDIA_CODEC_MSRP(self) ((tmedia_codec_msrp_t*)(self))
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#define tmedia_codec_msrp_init(self, name, desc) tmedia_codec_init(TMEDIA_CODEC(self), tmedia_msrp, name, desc, "*")
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#define tmedia_codec_msrp_deinit(self) tmedia_codec_deinit(TMEDIA_CODEC(self))
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/** BFCP codec */
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typedef struct tmedia_codec_bfcp_s
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{
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TMEDIA_DECLARE_CODEC;
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}
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tmedia_codec_bfcp_t;
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#define TMEDIA_DECLARE_CODEC_BFCP tmedia_codec_bfcp_t __bfcp__
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#define TMEDIA_CODEC_BFCP(self) ((tmedia_codec_bfcp_t*)(self))
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#define tmedia_codec_bfcp_init(self, name, desc) tmedia_codec_init(TMEDIA_CODEC(self), tmedia_bfcp, name, desc, "*")
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#define tmedia_codec_bfcp_deinit(self) tmedia_codec_deinit(TMEDIA_CODEC(self))
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TMEDIA_END_DECLS
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#endif /* TINYMEDIA_CODEC_H */
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