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mpevideo_enc: disallow multiple slices for h261 and flv
They do not work and produce corrupted output. CC: libav-stable@libav.org
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@ -496,6 +496,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
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}
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}
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if (avctx->slices > 1 &&
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(avctx->codec_id == AV_CODEC_ID_FLV1 || avctx->codec_id == AV_CODEC_ID_H261)) {
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av_log(avctx, AV_LOG_ERROR, "Multiple slices are not supported by this codec\n");
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return AVERROR(EINVAL);
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}
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if (s->avctx->thread_count > 1 &&
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s->codec_id != AV_CODEC_ID_MPEG4 &&
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s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
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