LCOV - code coverage report
Current view: top level - libavformat - rtpenc_vp9.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 15 0.0 %
Date: 2017-12-16 01:21:47 Functions: 0 1 0.0 %

          Line data    Source code
       1             : /*
       2             :  * RTP packetizer for VP9 payload format (draft version 02) - experimental
       3             :  * Copyright (c) 2016 Thomas Volkert <thomas@netzeal.de>
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : #include "rtpenc.h"
      23             : 
      24             : #define RTP_VP9_DESC_REQUIRED_SIZE 1
      25             : 
      26           0 : void ff_rtp_send_vp9(AVFormatContext *ctx, const uint8_t *buf, int size)
      27             : {
      28           0 :     RTPMuxContext *rtp_ctx = ctx->priv_data;
      29             :     int len;
      30             : 
      31           0 :     rtp_ctx->timestamp  = rtp_ctx->cur_timestamp;
      32           0 :     rtp_ctx->buf_ptr    = rtp_ctx->buf;
      33             : 
      34             :     /* mark the first fragment */
      35           0 :     *rtp_ctx->buf_ptr++ = 0x08;
      36             : 
      37           0 :     while (size > 0) {
      38           0 :         len = FFMIN(size, rtp_ctx->max_payload_size - RTP_VP9_DESC_REQUIRED_SIZE);
      39             : 
      40           0 :         if (len == size) {
      41             :             /* mark the last fragment */
      42           0 :             rtp_ctx->buf[0] |= 0x04;
      43             :         }
      44             : 
      45           0 :         memcpy(rtp_ctx->buf_ptr, buf, len);
      46           0 :         ff_rtp_send_data(ctx, rtp_ctx->buf, len + RTP_VP9_DESC_REQUIRED_SIZE, size == len);
      47             : 
      48           0 :         size            -= len;
      49           0 :         buf             += len;
      50             : 
      51             :         /* clear the end bit */
      52           0 :         rtp_ctx->buf[0] &= ~0x08;
      53             :     }
      54           0 : }

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