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mov: Validate the ID number
IDs in MOV start from 1. Signed-off-by: Diego Biurrun <diego@biurrun.de>
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@ -1949,8 +1949,8 @@ static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
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sc->stsc_data[i].first = avio_rb32(pb);
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sc->stsc_data[i].count = avio_rb32(pb);
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sc->stsc_data[i].id = avio_rb32(pb);
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if (sc->stsc_data[i].id < 0 || sc->stsc_data[i].id > sc->stsd_count) {
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sc->stsc_data[i].id = 0;
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if (sc->stsc_data[i].id <= 0 || sc->stsc_data[i].id > sc->stsd_count) {
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sc->stsc_data[i].id = 1;
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if (c->fc->error_recognition & AV_EF_EXPLODE) {
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av_log(c->fc, AV_LOG_ERROR, "Invalid stsc index.\n");
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return AVERROR_INVALIDDATA;
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