From 7216458c96a7635af5ae7428fdcad6c81ba870d7 Mon Sep 17 00:00:00 2001 From: Derek Buitenhuis Date: Tue, 12 Oct 2021 14:48:31 +0100 Subject: [PATCH] avformat/mov: Do not hard fail if bit rate calculation overflows unless in explode mode bit_rate is not a critical field, and we shouln't hard fail if we can't caluclate it due to a large timebase - it needlessly breaks valid files. Signed-off-by: Derek Buitenhuis --- libavformat/mov.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 841818b547..263d605c41 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -7992,10 +7992,11 @@ static int mov_read_header(AVFormatContext *s) /* Akin to sc->data_size * 8 * sc->time_scale / st->duration but accounting for overflows. */ st->codecpar->bit_rate = av_rescale(sc->data_size, ((int64_t) sc->time_scale) * 8, st->duration); if (st->codecpar->bit_rate == INT64_MIN) { - av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", + av_log(s, AV_LOG_WARNING, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", sc->data_size, sc->time_scale); st->codecpar->bit_rate = 0; - return AVERROR_INVALIDDATA; + if (s->error_recognition & AV_EF_EXPLODE) + return AVERROR_INVALIDDATA; } } } @@ -8009,10 +8010,11 @@ static int mov_read_header(AVFormatContext *s) /* Akin to sc->data_size * 8 * sc->time_scale / sc->duration_for_fps but accounting for overflows. */ st->codecpar->bit_rate = av_rescale(sc->data_size, ((int64_t) sc->time_scale) * 8, sc->duration_for_fps); if (st->codecpar->bit_rate == INT64_MIN) { - av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", + av_log(s, AV_LOG_WARNING, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", sc->data_size, sc->time_scale); st->codecpar->bit_rate = 0; - return AVERROR_INVALIDDATA; + if (s->error_recognition & AV_EF_EXPLODE) + return AVERROR_INVALIDDATA; } } }