mirror of https://git.ffmpeg.org/ffmpeg.git
vf_noise: remove low quality mode
It produces vissible correlation between lines Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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21f4fc2e40
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@ -40,7 +40,6 @@
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#define NOISE_UNIFORM 1
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#define NOISE_TEMPORAL 2
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#define NOISE_QUALITY 4
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#define NOISE_AVERAGED 8
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#define NOISE_PATTERN 16
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@ -76,7 +75,6 @@ typedef struct {
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{#name"f", "set component #"#x" flags", OFFSET(param.flags), AV_OPT_TYPE_FLAGS, {.i64=0}, 0, 31, FLAGS, #name"_flags"}, \
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{"a", "averaged noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_AVERAGED}, 0, 0, FLAGS, #name"_flags"}, \
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{"p", "(semi)regular pattern", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_PATTERN}, 0, 0, FLAGS, #name"_flags"}, \
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{"q", "high quality", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_QUALITY}, 0, 0, FLAGS, #name"_flags"}, \
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{"t", "temporal noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_TEMPORAL}, 0, 0, FLAGS, #name"_flags"}, \
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{"u", "uniform noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_UNIFORM}, 0, 0, FLAGS, #name"_flags"},
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@ -274,9 +272,6 @@ static void noise(uint8_t *dst, const uint8_t *src,
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else
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shift = n->rand_shift[y];
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if (!(flags & NOISE_QUALITY))
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shift &= ~7;
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if (flags & NOISE_AVERAGED) {
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line_noise_avg(dst, src, width, n->param[comp].prev_shift[y]);
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n->param[comp].prev_shift[y][n->param[comp].shiftptr] = noise + shift;
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