Paul B Mahol
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807d5dcde9
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avcodec/scpr: use correct linesize for prev frame
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-03-12 12:34:55 +01:00 |
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Paul B Mahol
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6d93e7d1a3
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avcodec/scpr: fix top left prediction for special case when x is 0 for keyframes
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-03-03 12:28:24 +01:00 |
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Paul B Mahol
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86ab6b6e08
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avcodec/scpr: check if total_freq is 0 in decode0
Fixes SIGFPE, closes #6196.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-27 13:55:15 +01:00 |
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Paul B Mahol
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6d856b2579
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avcodec/scpr: add support for older version
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-26 22:09:54 +01:00 |
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Paul B Mahol
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e01c32f260
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avcodec/scpr: remove 4 dead store
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-24 19:49:39 +01:00 |
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Paul B Mahol
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0a28c50506
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avcodec/scpr: improve motion vectors checking for out of buffer write
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-24 15:27:19 +01:00 |
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Paul B Mahol
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178cd50c47
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avcodec/scpr: make sure that component value is <= 0x1F for 16 bpc
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-24 12:02:48 +01:00 |
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Paul B Mahol
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45ed942e7e
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avcodec/scpr: improve check for out of range motion vectors
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-23 19:45:12 +01:00 |
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Paul B Mahol
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95a5af446b
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avcodec/scpr: check that current row is in valid range
Stops writing out of dst array.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-23 18:46:24 +01:00 |
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Paul B Mahol
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fd7af82c53
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avcodec/scpr: do not allow out of array access for 16bit case
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-23 17:22:01 +01:00 |
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Paul B Mahol
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039011b6b0
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avcodec: add ScreenPressor decoder
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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2017-02-22 22:57:59 +01:00 |
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