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correct EncodeAlpha documentation

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The paeth filter was removed in 8ca2076

Change-Id: I743502147da4e0b5506e49382311b8f592973d41
This commit is contained in:
James Zern 2012-01-12 18:37:45 -08:00
parent 2e74ec8b5f
commit b5855fc78d
1 changed files with 3 additions and 3 deletions
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6
src/utils/alpha.h
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@ -26,9 +26,9 @@ extern "C" {
// lossy. Valid ranges for 'quality' is [0, 100] and 'method' is [0, 1]: // lossy. Valid ranges for 'quality' is [0, 100] and 'method' is [0, 1]:
// 'method = 0' - No compression; // 'method = 0' - No compression;
// 'method = 1' - Backward reference counts encoded with arithmetic encoder; // 'method = 1' - Backward reference counts encoded with arithmetic encoder;
// 'filter' values [0, 5] correspond to prediction modes none, horizontal, // 'filter' values [0, 4] correspond to prediction modes none, horizontal,
// vertical, gradient & paeth filters. The prediction value 5 will try all the // vertical & gradient filters. The prediction mode 4 will try all the
// prediction modes (0 to 4) and pick the best prediction mode. // prediction modes (0 to 3) and pick the best prediction mode.
// 'output' corresponds to the buffer containing compressed alpha data. // 'output' corresponds to the buffer containing compressed alpha data.
// This buffer is allocated by this method and caller should call // This buffer is allocated by this method and caller should call