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YUV debugging..

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This commit is contained in:
Robin Gareus
2010-02-28 14:28:54 +01:00
parent bd8f8a2c02
commit e6e0a32f72
3 changed files with 12 additions and 34 deletions
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xcode/config.h
+1 -1
View File
@@ -217,7 +217,7 @@
#define WITH_FREI0R 1
#define BUILD_NUMBER 1
#define BUILD_NUMBER 14
#define OSX_VERSION 0.10
xcode/encoder_example1.c
+10 -32
View File
@@ -86,39 +86,14 @@ int yuv_copy__422_to_420(void *b_2vuy, SInt32 b_2vuy_stride, size_t width, size_
return 1;
}
int yuv_copy__argb_to_420(void *b_rgb, SInt32 b_rgb_stride, size_t width, size_t height, size_t offset_x, size_t offset_y, yuv_buffer *dst)
{
UInt8 *base = b_rgb;
UInt8 *y_base = dst->y;
UInt8 *cb_base = dst->u;
UInt8 *cr_base = dst->v;
size_t x, y;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
int yoff =(x+dst->y_stride*y);
int rgboff=b_rgb_stride*y + (x<<2); // x*4;
register int R = base[rgboff+1];
register int G = base[rgboff+2];
register int B = base[rgboff+3];
// TODO: clamp values to [0..255]
y_base[yoff] = (0.299 * R) + (0.587 * G) + (0.114 * B);
if((x%2) ==0 && (y%2)==0) {
// TODO: average 2x2 pixels RGB.
int uvoff =((x>>1)+dst->uv_stride*(y>>1));
cb_base[uvoff] = -(0.169 * R) - (0.331 * G) + (0.500 * B) + 128;
cr_base[uvoff] = (0.500 * R) - (0.419 * G) - (0.081 * B) + 128;
}
}
}
return 1;
}
*/
debug_dump(const char *fn, uint8_t *data, size_t len) {
FILE *F = fopen(fn,"w");
fwrite(data,sizeof(uint8_t), len, F);
fclose(F);
}
int yuv_copy__argb_to_420(void *b_rgb, SInt32 b_rgb_stride, size_t width, size_t height, size_t offset_x, size_t offset_y, yuv_buffer *dst)
{
// TODO: offset ! & strides
@@ -252,14 +227,17 @@ int fetch_and_process_video(CVPixelBufferRef theBuffer,ogg_page *videopage,
CVPixelBufferLockBaseAddress(theBuffer, 0);
// debug_dump("/tmp/test.rgb", CVPixelBufferGetBaseAddress(theBuffer), pxwidth*pxheight*4*sizeof(uint8_t));
// printf("going to yuv CONVERT %ix%i+%i+%i (%i)\n", pxwidth, pxheight,myGlob_ti.offset_x,myGlob_ti.offset_y, CVPixelBufferGetBytesPerRow(theBuffer)) ;
// Transfer the source frame into glob->currentFrame, converting it from chunky YUV422 to planar YUV420.
int err = yuv_copy__argb_to_420(CVPixelBufferGetBaseAddress(theBuffer),
CVPixelBufferGetBytesPerRow(theBuffer),
pxwidth, pxheight,
myGlob_ti.offset_x,myGlob_ti.offset_y,
&myGlob_yuv);
// debug_dump("/tmp/test.yuv", myGlob_yuv.y, pxwidth*pxheight*sizeof(uint8_t)*3/2);
// printf("yuv convert done\n") ;
xcode/freej.xcodeproj/project.pbxproj
+1 -1
View File
@@ -1323,7 +1323,7 @@
/usr/local/lib,
/opt/local/lib,
);
ONLY_ACTIVE_ARCH = NO;
ONLY_ACTIVE_ARCH = YES;
OTHER_CFLAGS = (
"-fexceptions",
"-headerpad_max_install_names",