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112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/** video.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 VIDEO_H
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#define VIDEO_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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#include <pthread.h>
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#include "toxav.h"
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#include "../toxcore/util.h"
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struct RTPMessage_s;
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/*
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* Base Video Codec session type.
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*/
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typedef struct VCSession_s {
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/* encoding */
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vpx_codec_ctx_t encoder[1];
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vpx_codec_ctx_t test_encoder[1];
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uint32_t frame_counter;
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uint32_t test_frame_counter;
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/* decoding */
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vpx_codec_ctx_t 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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ToxAV *av;
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uint32_t friend_number;
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PAIR(toxav_video_receive_frame_cb *, void *) vcb; /* Video frame receive callback */
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pthread_mutex_t queue_mutex[1];
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} VCSession;
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/*
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* Create new Video Codec session.
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*/
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VCSession* vc_new(ToxAV* av, uint32_t friend_number, toxav_video_receive_frame_cb *cb, void *cb_data, uint32_t mvfpsz);
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/*
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* Kill the Video Codec session.
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*/
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void vc_kill(VCSession* vc);
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/*
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* Do periodic work. Work is consisted out of decoding only.
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*/
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void vc_do(VCSession* vc);
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/*
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* Set new video splitting cycle. This is requirement in order to send video packets.
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*/
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void vc_init_video_splitter_cycle(VCSession* vc);
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/*
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* Update the video splitter cycle with new data.
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*/
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int vc_update_video_splitter_cycle(VCSession* vc, const uint8_t* payload, uint16_t length);
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/*
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* Iterate over splitted cycle.
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*/
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const uint8_t *vc_iterate_split_video_frame(VCSession* vc, uint16_t *size);
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/*
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* Queue new rtp message.
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*/
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int vc_queue_message(void *vcp, struct RTPMessage_s *msg);
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/*
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* Set new values to the encoders.
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*/
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int vc_reconfigure_encoder(vpx_codec_ctx_t* vccdc, uint32_t bit_rate, uint16_t width, uint16_t height);
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#endif /* VIDEO_H */ |