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  1. Qt
  2. QTBUG-126276

QMediaRecorder fails to encode to Matroska file format with some codecs

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    • a8bf42072 (dev), a5999eca7 (6.8), ac06a6ffa (dev), 41f1b3717 (6.9), 9fa27f829 (dev), 1304efb22 (6.9), 7e34745a4 (6.8), 5a2ae2ae6 (6.8)
    • Multimedia wk 35-38, Multimedia wk 39-40, Multimedia wk 41-42, Multimedia wk 51-2

    Description

      QMediaRecorder fails to record with the following combinations of file format and codec:

                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::H264 },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::H265 },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::VP8 },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::VP9 },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::AV1 },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::Theora },
                      { QMediaFormat::Matroska, QMediaFormat::VideoCodec::WMV },

      The failure happens when writing the file header.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-126291 [FFmpeg] Recording from camera to MKV (Matroska Multimedia Container) fails with H.265 / H.264 codec.

          • P2: Important - Urgent, should be fixed, but will not stop the release.
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              johanseg Jøger Hansegård
              johanseg Jøger Hansegård
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                Updated:
                Resolved: