summaryrefslogtreecommitdiff
path: root/libavutil/pixdesc.h
diff options
context:
space:
mode:
Diffstat (limited to 'libavutil/pixdesc.h')
-rw-r--r--libavutil/pixdesc.h82
1 files changed, 4 insertions, 78 deletions
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index 4b003fd552..8e4c85d715 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -24,8 +24,6 @@
#include <inttypes.h>
-#include "intreadwrite.h"
-
typedef struct AVComponentDescriptor{
uint16_t plane :2; ///< which of the 4 planes contains the component
@@ -110,46 +108,8 @@ extern const AVPixFmtDescriptor av_pix_fmt_descriptors[];
* component c in data[1] to dst, rather than the palette indexes in
* data[0]. The behavior is undefined if the format is not paletted.
*/
-static inline void read_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
- const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
-{
- AVComponentDescriptor comp= desc->comp[c];
- int plane= comp.plane;
- int depth= comp.depth_minus1+1;
- int mask = (1<<depth)-1;
- int shift= comp.shift;
- int step = comp.step_minus1+1;
- int flags= desc->flags;
-
- if (flags & PIX_FMT_BITSTREAM){
- int skip = x*step + comp.offset_plus1-1;
- const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
- int shift = 8 - depth - (skip&7);
-
- while(w--){
- int val = (*p >> shift) & mask;
- if(read_pal_component)
- val= data[1][4*val + c];
- shift -= step;
- p -= shift>>3;
- shift &= 7;
- *dst++= val;
- }
- } else {
- const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
-
- while(w--){
- int val;
- if(flags & PIX_FMT_BE) val= AV_RB16(p);
- else val= AV_RL16(p);
- val = (val>>shift) & mask;
- if(read_pal_component)
- val= data[1][4*val + c];
- p+= step;
- *dst++= val;
- }
- }
-}
+void read_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
+ const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component);
/**
* Writes the values from src to the pixel format component c of an
@@ -165,42 +125,8 @@ static inline void read_line(uint16_t *dst, const uint8_t *data[4], const int li
* @param w the width of the line to write, that is the number of
* values to write to the image line
*/
-static inline void write_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
- const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
-{
- AVComponentDescriptor comp = desc->comp[c];
- int plane = comp.plane;
- int depth = comp.depth_minus1+1;
- int step = comp.step_minus1+1;
- int flags = desc->flags;
-
- if (flags & PIX_FMT_BITSTREAM) {
- int skip = x*step + comp.offset_plus1-1;
- uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
- int shift = 8 - depth - (skip&7);
-
- while (w--) {
- *p |= *src++ << shift;
- shift -= step;
- p -= shift>>3;
- shift &= 7;
- }
- } else {
- int shift = comp.shift;
- uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
-
- while (w--) {
- if (flags & PIX_FMT_BE) {
- uint16_t val = AV_RB16(p) | (*src++<<shift);
- AV_WB16(p, val);
- } else {
- uint16_t val = AV_RL16(p) | (*src++<<shift);
- AV_WL16(p, val);
- }
- p+= step;
- }
- }
-}
+void write_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
+ const AVPixFmtDescriptor *desc, int x, int y, int c, int w);
/**
* Returns the pixel format corresponding to name.