ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavutil/pixdesc.h

 /*
  * pixel format descriptor
  * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVUTIL_PIXDESC_H
 #define AVUTIL_PIXDESC_H
 
 #include <inttypes.h>
 
-#include "intreadwrite.h"
-
 typedef struct AVComponentDescriptor{
     uint16_t plane        :2;            ///< which of the 4 planes contains the component
 
     /**
      * Number of elements between 2 horizontally consecutive pixels minus 1.
      * Elements are bits for bitstream formats, bytes otherwise.
      */
     uint16_t step_minus1  :3;
 
     /**
@@ skipping 64 matching lines @@
  * @param desc the pixel format descriptor for the image
  * @param x the horizontal coordinate of the first pixel to read
  * @param y the vertical coordinate of the first pixel to read
  * @param w the width of the line to read, that is the number of
  * values to write to dst
  * @param read_pal_component if not zero and the format is a paletted
  * format writes the values corresponding to the palette
  * 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
  * image line.
  *
  * @param src array containing the values to write
  * @param data the array containing the pointers to the planes of the
  * image to write into. It is supposed to be zeroed.
  * @param linesizes the array containing the linesizes of the image
  * @param desc the pixel format descriptor for the image
  * @param x the horizontal coordinate of the first pixel to write
  * @param y the vertical coordinate of the first pixel to write
  * @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.
  *
  * If there is no pixel format with name name, then looks for a
  * pixel format with the name corresponding to the native endian
  * format of name.
  * For example in a little-endian system, first looks for "gray16",
  * then for "gray16le".
  *
  * Finally if no pixel format has been found, returns PIX_FMT_NONE.
  */
 enum PixelFormat av_get_pix_fmt(const char *name);
 
 /**
  * Returns the number of bits per pixel used by the pixel format
  * described by pixdesc.
  *
  * The returned number of bits refers to the number of bits actually
  * used for storing the pixel information, that is padding bits are
  * not counted.
  */
 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
 
 #endif /* AVUTIL_PIXDESC_H */