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lavc/truehd_core: Initialize the last bytes of the output buffer.
Avoids undeterministic output.
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@ -117,6 +117,8 @@ static int truehd_core_filter(AVBSFContext *ctx, AVPacket *out)
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out->size -= reduce * 2;
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parity_nibble ^= out->size / 2;
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if (out_size > 8)
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AV_WN64(out->data + out_size - 8, 0);
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if (have_header) {
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memcpy(out->data + 4, in->data + 4, 28);
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out->data[16 + 4] = (out->data[16 + 4] & 0x0f) | (FFMIN(s->hdr.num_substreams, 3) << 4);
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