1 files changed, 113 insertions, 0 deletions

diff --git a/toxav/video.h b/toxav/video.h
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+++ b/toxav/video.h
@@ -0,0 +1,113 @@
+/**  video.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 VIDEO_H
+#define VIDEO_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())
+
+#include <pthread.h>
+
+#include "toxav.h"
+
+#include "../toxcore/util.h"
+
+struct RTPMessage_s;
+
+/*
+ * Base Video Codec session type.
+ */
+typedef struct VCSession_s {
+    
+    /* encoding */
+    vpx_codec_ctx_t encoder[1];
+    vpx_codec_ctx_t test_encoder[1];
+    uint32_t frame_counter;
+    uint32_t test_frame_counter;
+
+    /* decoding */
+    vpx_codec_ctx_t 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 */
+    uint64_t linfts; /* Last received frame time stamp */
+    uint32_t lcfd; /* Last calculated frame duration for incoming video payload */
+    
+    /* 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;
+    
+    ToxAV *av;
+    uint32_t friend_number;
+    
+    PAIR(toxav_video_receive_frame_cb *, void *) vcb; /* Video frame receive callback */
+    
+    pthread_mutex_t queue_mutex[1];
+} VCSession;
+
+/*
+ * Create new Video Codec session.
+ */
+VCSession* vc_new(ToxAV* av, uint32_t friend_number, toxav_video_receive_frame_cb *cb, void *cb_data, uint32_t mvfpsz);
+/*
+ * Kill the Video Codec session.
+ */
+void vc_kill(VCSession* vc);
+/*
+ * Do periodic work. Work is consisted out of decoding only.
+ */
+void vc_do(VCSession* vc);
+/*
+ * Set new video splitting cycle. This is requirement in order to send video packets.
+ */
+void vc_init_video_splitter_cycle(VCSession* vc);
+/*
+ * Update the video splitter cycle with new data.
+ */
+int vc_update_video_splitter_cycle(VCSession* vc, const uint8_t* payload, uint16_t length);
+/*
+ * Iterate over splitted cycle.
+ */
+const uint8_t *vc_iterate_split_video_frame(VCSession* vc, uint16_t *size);
+/*
+ * Queue new rtp message.
+ */
+int vc_queue_message(void *vcp, struct RTPMessage_s *msg);
+/*
+ * Set new values to the encoders.
+ */
+int vc_reconfigure_encoder(VCSession* vc, int32_t bit_rate, uint16_t width, uint16_t height);
+int vc_reconfigure_test_encoder(VCSession* vc, int32_t bit_rate, uint16_t width, uint16_t height);
+
+#endif /* VIDEO_H */
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