1. 07 Feb, 2018 1 commit
  2. 28 Jan, 2018 1 commit
  3. 22 Sep, 2017 1 commit
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  7. 04 Feb, 2017 1 commit
  8. 23 Jan, 2017 1 commit
    • Rodger Combs's avatar
      lavf/segment: fix crash when failing to open segment list · 2b202900
      Rodger Combs authored
      This happens because segment_end() returns an error, so seg_write_packet
      never proceeds to segment_start(), and seg->avf->pb is never re-set,
      so we crash with a null pb when av_write_trailer flushes the packet
      queue.
      
      This doesn't seem to be clearly recoverable, so I'm just failing more
      gracefully.
      
      Repro:
      ffmpeg -i input.ts -f segment -c copy -segment_list /noaxx.m3u8 test-%05d.ts
      
      (assuming you don't have write access to /)
      2b202900
  9. 02 Nov, 2016 1 commit
  10. 24 Oct, 2016 2 commits
  11. 21 Oct, 2016 1 commit
  12. 09 Sep, 2016 1 commit
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  14. 25 Jun, 2016 1 commit
  15. 11 Apr, 2016 1 commit
  16. 02 Apr, 2016 4 commits
  17. 26 Mar, 2016 1 commit
  18. 17 Mar, 2016 1 commit
  19. 15 Mar, 2016 2 commits
  20. 23 Feb, 2016 1 commit
    • Anton Khirnov's avatar
      lavf: replace AVStream.codec with AVStream.codecpar · 9200514a
      Anton Khirnov authored
      Currently, AVStream contains an embedded AVCodecContext instance, which
      is used by demuxers to export stream parameters to the caller and by
      muxers to receive stream parameters from the caller. It is also used
      internally as the codec context that is passed to parsers.
      
      In addition, it is also widely used by the callers as the decoding (when
      demuxer) or encoding (when muxing) context, though this has been
      officially discouraged since Libav 11.
      
      There are multiple important problems with this approach:
          - the fields in AVCodecContext are in general one of
              * stream parameters
              * codec options
              * codec state
            However, it's not clear which ones are which. It is consequently
            unclear which fields are a demuxer allowed to set or a muxer allowed to
            read. This leads to erratic behaviour depending on whether decoding or
            encoding is being performed or not (and whether it uses the AVStream
            embedded codec context).
          - various synchronization issues arising from the fact that the same
            context is used by several different APIs (muxers/demuxers,
            parsers, bitstream filters and encoders/decoders) simultaneously, with
            there being no clear rules for who can modify what and the different
            processes being typically delayed with respect to each other.
          - avformat_find_stream_info() making it necessary to support opening
            and closing a single codec context multiple times, thus
            complicating the semantics of freeing various allocated objects in the
            codec context.
      
      Those problems are resolved by replacing the AVStream embedded codec
      context with a newly added AVCodecParameters instance, which stores only
      the stream parameters exported by the demuxers or read by the muxers.
      9200514a
  21. 10 Feb, 2016 1 commit
  22. 02 Feb, 2016 1 commit
  23. 28 Jan, 2016 2 commits
  24. 24 Jan, 2016 1 commit
    • Anton Khirnov's avatar
      lavf: allow custom IO for all files · 9f61abc8
      Anton Khirnov authored
      Some (de)muxers open additional files beyond the main IO context.
      Currently, they call avio_open() directly, which prevents the caller
      from using custom IO for such streams.
      
      This commit adds callbacks to AVFormatContext that default to
      avio_open2()/avio_close(), but can be overridden by the caller. All
      muxers and demuxers using AVIO are switched to using those callbacks
      instead of calling avio_open()/avio_close() directly.
      
      (de)muxers that use the URLProtocol layer directly instead of AVIO
      remain unconverted for now. This should be fixed in later commits.
      9f61abc8
  25. 12 Dec, 2015 1 commit
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  34. 31 Mar, 2015 1 commit