LCOV - code coverage report
Current view: top level - libavformat - rtpenc_chain.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 29 50 58.0 %
Date: 2017-12-17 16:07:53 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * RTP muxer chaining code
       3             :  * Copyright (c) 2010 Martin Storsjo
       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 "avformat.h"
      23             : #include "avio_internal.h"
      24             : #include "rtpenc_chain.h"
      25             : #include "rtp.h"
      26             : #include "libavutil/opt.h"
      27             : 
      28           2 : int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
      29             :                           AVStream *st, URLContext *handle, int packet_size,
      30             :                           int idx)
      31             : {
      32           2 :     AVFormatContext *rtpctx = NULL;
      33             :     int ret;
      34           2 :     AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
      35             :     uint8_t *rtpflags;
      36           2 :     AVDictionary *opts = NULL;
      37             : 
      38           2 :     if (!rtp_format) {
      39           0 :         ret = AVERROR(ENOSYS);
      40           0 :         goto fail;
      41             :     }
      42             : 
      43             :     /* Allocate an AVFormatContext for each output stream */
      44           2 :     rtpctx = avformat_alloc_context();
      45           2 :     if (!rtpctx) {
      46           0 :         ret = AVERROR(ENOMEM);
      47           0 :         goto fail;
      48             :     }
      49             : 
      50           2 :     rtpctx->oformat = rtp_format;
      51           2 :     if (!avformat_new_stream(rtpctx, NULL)) {
      52           0 :         ret = AVERROR(ENOMEM);
      53           0 :         goto fail;
      54             :     }
      55             :     /* Pass the interrupt callback on */
      56           2 :     rtpctx->interrupt_callback = s->interrupt_callback;
      57             :     /* Copy the max delay setting; the rtp muxer reads this. */
      58           2 :     rtpctx->max_delay = s->max_delay;
      59             :     /* Copy other stream parameters. */
      60           2 :     rtpctx->streams[0]->sample_aspect_ratio = st->sample_aspect_ratio;
      61           2 :     rtpctx->flags |= s->flags & (AVFMT_FLAG_MP4A_LATM | AVFMT_FLAG_BITEXACT);
      62             : 
      63             :     /* Get the payload type from the codec */
      64           2 :     if (st->id < RTP_PT_PRIVATE)
      65           4 :         rtpctx->streams[0]->id =
      66           4 :             ff_rtp_get_payload_type(s, st->codecpar, idx);
      67             :     else
      68           0 :         rtpctx->streams[0]->id = st->id;
      69             : 
      70             : 
      71           2 :     if (av_opt_get(s, "rtpflags", AV_OPT_SEARCH_CHILDREN, &rtpflags) >= 0)
      72           2 :         av_dict_set(&opts, "rtpflags", rtpflags, AV_DICT_DONT_STRDUP_VAL);
      73             : 
      74             :     /* Set the synchronized start time. */
      75           2 :     rtpctx->start_time_realtime = s->start_time_realtime;
      76             : 
      77           2 :     avcodec_parameters_copy(rtpctx->streams[0]->codecpar, st->codecpar);
      78           2 :     rtpctx->streams[0]->time_base = st->time_base;
      79             : 
      80           2 :     if (handle) {
      81           0 :         ret = ffio_fdopen(&rtpctx->pb, handle);
      82           0 :         if (ret < 0)
      83           0 :             ffurl_close(handle);
      84             :     } else
      85           2 :         ret = ffio_open_dyn_packet_buf(&rtpctx->pb, packet_size);
      86           2 :     if (!ret)
      87           2 :         ret = avformat_write_header(rtpctx, &opts);
      88           2 :     av_dict_free(&opts);
      89             : 
      90           2 :     if (ret) {
      91           0 :         if (handle && rtpctx->pb) {
      92           0 :             avio_closep(&rtpctx->pb);
      93           0 :         } else if (rtpctx->pb) {
      94           0 :             ffio_free_dyn_buf(&rtpctx->pb);
      95             :         }
      96           0 :         avformat_free_context(rtpctx);
      97           0 :         return ret;
      98             :     }
      99             : 
     100           2 :     *out = rtpctx;
     101           2 :     return 0;
     102             : 
     103           0 : fail:
     104           0 :     av_free(rtpctx);
     105           0 :     if (handle)
     106           0 :         ffurl_close(handle);
     107           0 :     return ret;
     108             : }

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