• Ronald S. Bultje's avatar
    png: split header state and data state in two separate variables. · 478f1c3d
    Ronald S. Bultje authored
    Fixes a reported (but false) race condition in tsan for fate-apng:
    
    WARNING: ThreadSanitizer: data race (pid=6274)
      Read of size 4 at 0x7d680001ec78 by main thread (mutexes: write M1338):
        #0 update_thread_context src/libavcodec/pngdec.c:1456 (ffmpeg+0x000000dacf0c)
    [..]
      Previous write of size 4 at 0x7d680001ec78 by thread T1 (mutexes: write M1335):
        #0 decode_idat_chunk src/libavcodec/pngdec.c:737 (ffmpeg+0x000000dae951)
    478f1c3d
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