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rescaler: simplify ImportRow logic

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incorporates the loop over 'channel' and removes one parameter

Change-Id: I4e3b33c111ca825fe96461583420413b17326409
This commit is contained in:
Pascal Massimino
2015-09-19 09:59:32 -07:00
parent 5ff0079ece
commit 9ba1894b9b
5 changed files with 250 additions and 239 deletions
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9
src/dsp/dsp.h
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@ -338,8 +338,7 @@ struct WebPRescaler;
// 'channel' denotes the channel number to be imported. 'Expand' corresponds to
// the wrk->x_expand case. Otherwise, 'Shrink' is to be used.
typedef void (*WebPRescalerImportRowFunc)(struct WebPRescaler* const wrk,
const uint8_t* const src,
int channel);
const uint8_t* src);
extern WebPRescalerImportRowFunc WebPRescalerImportRowExpand;
extern WebPRescalerImportRowFunc WebPRescalerImportRowShrink;
@ -353,15 +352,15 @@ extern WebPRescalerExportRowFunc WebPRescalerExportRowShrink;
// Plain-C implementation, as fall-back.
extern void WebPRescalerImportRowExpandC(struct WebPRescaler* const wrk,
const uint8_t* const src, int channel);
const uint8_t* src);
extern void WebPRescalerImportRowShrinkC(struct WebPRescaler* const wrk,
const uint8_t* const src, int channel);
const uint8_t* src);
extern void WebPRescalerExportRowExpandC(struct WebPRescaler* const wrk);
extern void WebPRescalerExportRowShrinkC(struct WebPRescaler* const wrk);
// Main entry calls:
extern void WebPRescalerImportRow(struct WebPRescaler* const wrk,
const uint8_t* const src, int channel);
const uint8_t* src);
// Export one row (starting at x_out position) from rescaler.
extern void WebPRescalerExportRow(struct WebPRescaler* const wrk);