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avcodec/flashsvenc: Remove unused z_stream
This encoder uses the compress2 utility function provided by zlib instead of using a z_stream. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -61,7 +61,6 @@ typedef struct FlashSVContext {
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int block_width, block_height;
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uint8_t *encbuffer;
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int block_size;
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z_stream zstream;
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int last_key_frame;
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uint8_t tmpblock[3 * 256 * 256];
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} FlashSVContext;
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@ -92,8 +91,6 @@ static av_cold int flashsv_encode_end(AVCodecContext *avctx)
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{
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FlashSVContext *s = avctx->priv_data;
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deflateEnd(&s->zstream);
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av_freep(&s->encbuffer);
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av_freep(&s->previous_frame);
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@ -112,9 +109,6 @@ static av_cold int flashsv_encode_init(AVCodecContext *avctx)
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return AVERROR_INVALIDDATA;
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}
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// Needed if zlib unused or init aborted before deflateInit
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memset(&s->zstream, 0, sizeof(z_stream));
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s->last_key_frame = 0;
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s->image_width = avctx->width;
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@ -180,7 +174,6 @@ static int encode_bitstream(FlashSVContext *s, const AVFrame *p, uint8_t *buf,
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ret = compress2(ptr + 2, &zsize, s->tmpblock,
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3 * cur_blk_width * cur_blk_height, 9);
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//ret = deflateReset(&s->zstream);
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if (ret != Z_OK)
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av_log(s->avctx, AV_LOG_ERROR,
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"error while compressing block %dx%d\n", i, j);
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