mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/** codec.h
|
|
*
|
|
* Copyright (C) 2013-2015 Tox project All Rights Reserved.
|
|
*
|
|
* This file is part of Tox.
|
|
*
|
|
* Tox 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef CODEC_H
|
|
#define CODEC_H
|
|
|
|
#include "toxav.h"
|
|
#include "rtp.h"
|
|
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
#include <pthread.h>
|
|
|
|
#include <vpx/vpx_decoder.h>
|
|
#include <vpx/vpx_encoder.h>
|
|
#include <vpx/vp8dx.h>
|
|
#include <vpx/vp8cx.h>
|
|
#include <vpx/vpx_image.h>
|
|
#define VIDEO_CODEC_DECODER_INTERFACE (vpx_codec_vp8_dx())
|
|
#define VIDEO_CODEC_ENCODER_INTERFACE (vpx_codec_vp8_cx())
|
|
|
|
/* Audio encoding/decoding */
|
|
#include <opus.h>
|
|
|
|
#define PAIR(TYPE1__, TYPE2__) struct { TYPE1__ first; TYPE2__ second; }
|
|
|
|
typedef struct CSession_s {
|
|
|
|
/* VIDEO
|
|
*
|
|
*
|
|
*/
|
|
|
|
/* video encoding */
|
|
vpx_codec_ctx_t v_encoder[1];
|
|
uint32_t frame_counter;
|
|
|
|
/* video decoding */
|
|
vpx_codec_ctx_t v_decoder[1];
|
|
void *vbuf_raw; /* Un-decoded data */
|
|
|
|
/* Data handling */
|
|
uint8_t *frame_buf; /* buffer for split video payloads */
|
|
uint32_t frame_size; /* largest address written to in frame_buf for current input frame */
|
|
uint8_t frameid_in, frameid_out; /* id of input and output video frame */
|
|
uint32_t last_timestamp; /* calculating cycles */
|
|
|
|
/* Limits */
|
|
uint32_t peer_video_frame_piece_size;
|
|
|
|
/* Splitting */
|
|
uint8_t *split_video_frame;
|
|
const uint8_t *processing_video_frame;
|
|
uint16_t processing_video_frame_size;
|
|
|
|
|
|
|
|
/* AUDIO
|
|
*
|
|
*
|
|
*/
|
|
|
|
/* audio encoding */
|
|
OpusEncoder *audio_encoder;
|
|
int32_t last_encoding_sampling_rate;
|
|
int32_t last_encoding_channel_count;
|
|
int32_t last_encoding_bitrate;
|
|
|
|
/* audio decoding */
|
|
OpusDecoder *audio_decoder;
|
|
int32_t last_packet_channel_count;
|
|
int32_t last_packet_sampling_rate;
|
|
int32_t last_packet_frame_duration;
|
|
struct JitterBuffer_s *j_buf;
|
|
|
|
|
|
/* OTHER
|
|
*
|
|
*
|
|
*/
|
|
ToxAV *av;
|
|
int32_t friend_id;
|
|
|
|
PAIR(toxav_receive_audio_frame_cb *, void *) acb; /* Audio frame receive callback */
|
|
PAIR(toxav_receive_video_frame_cb *, void *) vcb; /* Video frame receive callback */
|
|
|
|
pthread_mutex_t queue_mutex[1];
|
|
} CSession;
|
|
|
|
|
|
void cs_do(CSession *cs);
|
|
/* Make sure to be called BEFORE corresponding rtp_new */
|
|
CSession *cs_new(uint32_t peer_mvfpsz);
|
|
/* Make sure to be called AFTER corresponding rtp_kill */
|
|
void cs_kill(CSession *cs);
|
|
|
|
void cs_init_video_splitter_cycle(CSession *cs);
|
|
int cs_update_video_splitter_cycle(CSession* cs, const uint8_t* payload, uint16_t length);
|
|
const uint8_t *cs_iterate_split_video_frame(CSession *cs, uint16_t *size);
|
|
|
|
int cs_reconfigure_video_encoder(CSession* cs, int32_t bitrate, uint16_t width, uint16_t height);
|
|
int cs_reconfigure_audio_encoder(CSession* cs, int32_t bitrate, int32_t sampling_rate, uint8_t channels);
|
|
|
|
|
|
/* Internal. Called from rtp_handle_message */
|
|
void queue_message(RTPSession *session, RTPMessage *msg);
|
|
#endif /* CODEC_H */
|