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prores: store and retrieve extended colourspace information
Based on the patch by Phil Barrett.
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c7084182e8
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@ -165,6 +165,10 @@ static int decode_frame_header(ProresContext *ctx, const uint8_t *buf,
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ctx->picture.top_field_first = ctx->frame_type & 1;
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}
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avctx->color_primaries = buf[14];
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avctx->color_trc = buf[15];
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avctx->colorspace = buf[16];
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ctx->alpha_info = buf[17] & 0xf;
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if (ctx->alpha_info)
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av_log_missing_feature(avctx, "alpha channel", 0);
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@ -689,9 +689,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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bytestream_put_be16 (&buf, avctx->height);
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bytestream_put_byte (&buf, ctx->chroma_factor << 6); // frame flags
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bytestream_put_byte (&buf, 0); // reserved
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bytestream_put_byte (&buf, 0); // primaries
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bytestream_put_byte (&buf, 0); // transfer function
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bytestream_put_byte (&buf, 6); // colour matrix - ITU-R BT.601-4
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bytestream_put_byte (&buf, avctx->color_primaries);
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bytestream_put_byte (&buf, avctx->color_trc);
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bytestream_put_byte (&buf, avctx->colorspace);
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bytestream_put_byte (&buf, 0x40); // source format and alpha information
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bytestream_put_byte (&buf, 0); // reserved
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bytestream_put_byte (&buf, 0x03); // matrix flags - both matrices are present
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@ -1,4 +1,4 @@
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c050b1a4905175211ead9979562366ff *./tests/data/vsynth1/prores.mov
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2566517b15c62887bd94daaab1b1a85b *./tests/data/vsynth1/prores.mov
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3859037 ./tests/data/vsynth1/prores.mov
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0a4153637d0cc0a88a8bcbf04cfaf8c6 *./tests/data/prores.vsynth1.out.yuv
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stddev: 3.17 PSNR: 38.09 MAXDIFF: 39 bytes: 7603200/ 7603200
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@ -1,4 +1,4 @@
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ecd11fa69712902143c0c54b193c9313 *./tests/data/vsynth2/prores.mov
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28755ce05e812adbb8b7c180318ffba8 *./tests/data/vsynth2/prores.mov
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3884722 ./tests/data/vsynth2/prores.mov
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ca2f6c1162635dedfa468c90f1fdc0ef *./tests/data/prores.vsynth2.out.yuv
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stddev: 0.92 PSNR: 48.77 MAXDIFF: 10 bytes: 7603200/ 7603200
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