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avcodec/pngenc: Initialize fctl_chunk to 0
The structure is copied around and that triggers warnings if it is uninitialized Fixes CID1322360 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -817,7 +817,7 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt,
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int ret;
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int enc_row_size;
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size_t max_packet_size;
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APNGFctlChunk fctl_chunk;
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APNGFctlChunk fctl_chunk = {0};
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if (pict && avctx->codec_id == AV_CODEC_ID_APNG && s->color_type == PNG_COLOR_TYPE_PALETTE) {
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uint32_t checksum = ~av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), ~0U, pict->data[1], 256 * sizeof(uint32_t));
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