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rename 'use_argb_input' to 'use_argb'

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long name, and there's not really an 'output' equivalent

Change-Id: I9133ff734ae8d6572cb2f607211361f011fc0bc1
This commit is contained in:
Pascal Massimino
2012-07-18 21:58:53 +00:00
committed by James Zern
parent 90516ae8f5
commit dd1081763c
4 changed files with 27 additions and 28 deletions
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14
src/webp/encode.h
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@ -246,7 +246,7 @@ struct WebPPicture {
// It is recommended to use ARGB input (*argb, argb_stride) for lossless
// compression, and YUV input (*y, *u, *v, etc.) for lossy compression
// since these are the respective native colorspace for these formats.
int use_argb_input;
int use_argb;
// YUV input (mostly used for input to lossy compression)
WebPEncCSP colorspace; // colorspace: should be YUV420 for now (=Y'CbCr).
@ -399,15 +399,15 @@ WEBP_EXTERN(int) WebPPictureImportBGRX(
WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride);
// Converts picture->argb data to the YUVA format specified by 'colorspace'.
// Upon return, picture->use_argb_input is set to false. The presence of
// real non-opaque transparent values is detected, and 'colorspace' will be
// Upon return, picture->use_argb is set to false. The presence of real
// non-opaque transparent values is detected, and 'colorspace' will be
// adjusted accordingly. Note that this method is lossy.
// Returns false in case of error.
WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture,
WebPEncCSP colorspace);
// Converts picture->yuv to picture->argb and sets picture->use_argb_input
// to true. The input format must be YUV_420 or YUV_420A.
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.
// The input format must be YUV_420 or YUV_420A.
// Note that the use of this method is discouraged if one has access to the
// raw ARGB samples, since using YUV420 is comparatively lossy. Also, the
// conversion from YUV420 to ARGB incurs a small loss too.
@ -433,8 +433,8 @@ WEBP_EXTERN(int) WebPPictureHasTransparency(const WebPPicture* picture);
// Returns false in case of error, true otherwise.
// In case of error, picture->error_code is updated accordingly.
// 'picture' can hold the source samples in both YUV(A) or ARGB input, depending
// on the value of 'picture->use_argb_input'. It is highly recommended to
// use the former for lossy encoding, and the latter for lossless encoding
// on the value of 'picture->use_argb'. It is highly recommended to use
// the former for lossy encoding, and the latter for lossless encoding
// (when config.lossless is true). Automatic conversion from one format to
// another is provided but they both incur some loss.
WEBP_EXTERN(int) WebPEncode(const WebPConfig* config, WebPPicture* picture);