mirror of
https://github.com/irungentoo/toxcore.git
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133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/** codec.h
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*
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* Copyright (C) 2013-2015 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox 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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* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef CODEC_H
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#define CODEC_H
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#include "toxav.h"
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#include "rtp.h"
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#include <stdio.h>
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#include <math.h>
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#include <pthread.h>
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#include <vpx/vpx_decoder.h>
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#include <vpx/vpx_encoder.h>
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#include <vpx/vp8dx.h>
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#include <vpx/vp8cx.h>
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#include <vpx/vpx_image.h>
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#define VIDEO_CODEC_DECODER_INTERFACE (vpx_codec_vp8_dx())
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#define VIDEO_CODEC_ENCODER_INTERFACE (vpx_codec_vp8_cx())
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/* Audio encoding/decoding */
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#include <opus.h>
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#define PAIR(TYPE1__, TYPE2__) struct { TYPE1__ first; TYPE2__ second; }
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#define PACKED_AUDIO_SIZE(x) (x + 5)
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#define UNPACKED_AUDIO_SIZE(x) (x - 5)
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typedef struct CSession_s {
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/* VIDEO
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*
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*
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*/
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/* video encoding */
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vpx_codec_ctx_t v_encoder[1];
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uint32_t frame_counter;
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/* video decoding */
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vpx_codec_ctx_t v_decoder[1];
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void *vbuf_raw; /* Un-decoded data */
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/* Data handling */
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uint8_t *frame_buf; /* buffer for split video payloads */
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uint32_t frame_size; /* largest address written to in frame_buf for current input frame */
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uint8_t frameid_in, frameid_out; /* id of input and output video frame */
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uint64_t linfts; /* Last received frame time stamp */
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uint32_t lcfd; /* Last calculated frame duration for incoming video payload */
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/* Limits */
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uint32_t peer_video_frame_piece_size;
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/* Splitting */
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uint8_t *split_video_frame;
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const uint8_t *processing_video_frame;
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uint16_t processing_video_frame_size;
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/* AUDIO
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*
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*
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*/
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/* audio encoding */
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OpusEncoder *audio_encoder;
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int32_t last_encoding_sampling_rate;
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int32_t last_encoding_channel_count;
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int32_t last_encoding_bitrate;
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/* audio decoding */
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OpusDecoder *audio_decoder;
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int32_t last_packet_channel_count;
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int32_t last_packet_sampling_rate;
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int32_t last_packet_frame_duration;
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int32_t last_decoding_sampling_rate;
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int32_t last_decoding_channel_count;
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uint64_t last_decoder_reconfiguration;
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struct JitterBuffer_s *j_buf;
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/* OTHER
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*
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*
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*/
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ToxAV *av;
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int32_t friend_id;
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PAIR(toxav_receive_audio_frame_cb *, void *) acb; /* Audio frame receive callback */
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PAIR(toxav_receive_video_frame_cb *, void *) vcb; /* Video frame receive callback */
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pthread_mutex_t queue_mutex[1];
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} CSession;
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void cs_do(CSession *cs);
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/* Make sure to be called BEFORE corresponding rtp_new */
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CSession *cs_new(uint32_t peer_mvfpsz);
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/* Make sure to be called AFTER corresponding rtp_kill */
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void cs_kill(CSession *cs);
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void cs_init_video_splitter_cycle(CSession *cs);
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int cs_update_video_splitter_cycle(CSession* cs, const uint8_t* payload, uint16_t length);
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const uint8_t *cs_iterate_split_video_frame(CSession *cs, uint16_t *size);
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int cs_reconfigure_video_encoder(CSession* cs, int32_t bitrate, uint16_t width, uint16_t height);
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int cs_reconfigure_audio_encoder(CSession* cs, int32_t bitrate, int32_t sampling_rate, uint8_t channels);
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/* Internal. Called from rtp_handle_message */
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void queue_message(RTPSession *session, RTPMessage *msg);
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#endif /* CODEC_H */
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