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pixdesc: cosmetics

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This commit is contained in:
Luca Barbato 2012-08-31 11:22:20 +02:00
parent cc86bd4ccc
commit a684267076
1 changed files with 18 additions and 12 deletions
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30
libavutil/pixdesc.c
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@ -26,8 +26,10 @@
#include "intreadwrite.h" #include "intreadwrite.h"
void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], void av_read_image_line(uint16_t *dst,
const AVPixFmtDescriptor *desc, int x, int y, int c, int w, const uint8_t *data[4], const int linesize[4],
const AVPixFmtDescriptor *desc,
int x, int y, int c, int w,
int read_pal_component) int read_pal_component)
{ {
AVComponentDescriptor comp = desc->comp[c]; AVComponentDescriptor comp = desc->comp[c];
@ -53,7 +55,8 @@ void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesiz
*dst++ = val; *dst++ = val;
} }
} else { } else {
const uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1; const uint8_t *p = data[plane] + y * linesize[plane] +
x * step + comp.offset_plus1 - 1;
int is_8bit = shift + depth <= 8; int is_8bit = shift + depth <= 8;
if (is_8bit) if (is_8bit)
@ -71,8 +74,10 @@ void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesiz
} }
} }
void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], void av_write_image_line(const uint16_t *src,
const AVPixFmtDescriptor *desc, int x, int y, int c, int w) uint8_t *data[4], const int linesize[4],
const AVPixFmtDescriptor *desc,
int x, int y, int c, int w)
{ {
AVComponentDescriptor comp = desc->comp[c]; AVComponentDescriptor comp = desc->comp[c];
int plane = comp.plane; int plane = comp.plane;
@ -93,7 +98,8 @@ void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesi
} }
} else { } else {
int shift = comp.shift; int shift = comp.shift;
uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1; uint8_t *p = data[plane] + y * linesize[plane] +
x * step + comp.offset_plus1 - 1;
if (shift + depth <= 8) { if (shift + depth <= 8) {
p += !!(flags & PIX_FMT_BE); p += !!(flags & PIX_FMT_BE);
@ -395,9 +401,9 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
.log2_chroma_w = 1, .log2_chroma_w = 1,
.log2_chroma_h = 1, .log2_chroma_h = 1,
.comp = { .comp = {
{ 0,0,1,0,7 }, /* Y */ { 0, 0, 1, 0, 7 }, /* Y */
{ 1,1,1,0,7 }, /* U */ { 1, 1, 1, 0, 7 }, /* U */
{ 1,1,2,0,7 }, /* V */ { 1, 1, 2, 0, 7 }, /* V */
}, },
.flags = PIX_FMT_PLANAR, .flags = PIX_FMT_PLANAR,
}, },
@ -863,9 +869,9 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
.log2_chroma_w = 1, .log2_chroma_w = 1,
.log2_chroma_h = 0, .log2_chroma_h = 0,
.comp = { .comp = {
{0,1,1,0,8}, /* Y */ { 0, 1, 1, 0, 8 }, /* Y */
{1,1,1,0,8}, /* U */ { 1, 1, 1, 0, 8 }, /* U */
{2,1,1,0,8}, /* V */ { 2, 1, 1, 0, 8 }, /* V */
}, },
.flags = PIX_FMT_BE | PIX_FMT_PLANAR, .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
}, },