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added implementation for "flip" parameter.
author
kramm
<kramm>
Fri, 24 Sep 2004 09:04:43 +0000
(09:04 +0000)
committer
kramm
<kramm>
Fri, 24 Sep 2004 09:04:43 +0000
(09:04 +0000)
avi2swf/videoreader_vfw.cc
patch
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diff --git
a/avi2swf/videoreader_vfw.cc
b/avi2swf/videoreader_vfw.cc
index
d605cf7
..
2e0c787
100644
(file)
--- a/
avi2swf/videoreader_vfw.cc
+++ b/
avi2swf/videoreader_vfw.cc
@@
-49,13
+49,14
@@
typedef struct _videoreader_vfw_internal {
int samplerate;
int channels;
int samplerate;
int channels;
+ int flip;
} videoreader_vfw_internal_t;
static int avifile_initialized = 0;
#define _TRACE_ {printf("%s: %d (%s)\n",__FILE__,__LINE__,__func__);fflush(stdout);}
} videoreader_vfw_internal_t;
static int avifile_initialized = 0;
#define _TRACE_ {printf("%s: %d (%s)\n",__FILE__,__LINE__,__func__);fflush(stdout);}
-bool videoreader_vfw_eof(videoreader_t* vr)
+static bool videoreader_vfw_eof(videoreader_t* vr)
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
return (i->video_pos >= i->video_end);
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
return (i->video_pos >= i->video_end);
@@
-87,10
+88,15
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
int bytesperpixel = ((bi->biWidth*bi->biBitCount)+7)&~7;
int linex = ((bytesperpixel/8)+3)&~3;
memset(dest, 255, dest_width*dest_height*4);//pre-fill alpha channel
int bytesperpixel = ((bi->biWidth*bi->biBitCount)+7)&~7;
int linex = ((bytesperpixel/8)+3)&~3;
memset(dest, 255, dest_width*dest_height*4);//pre-fill alpha channel
+
+ int starty = i->flip? 0 : dest_height-1;
+ int endy = i->flip? dest_height-1 : 0;
+ int yinc = i->flip? 1 : -1;
+
if(bi->biBitCount==1) {
if(bi->biBitCount==1) {
- int y;
UCHAR*img = data;
UCHAR*img = data;
- for(y=0;y<dest_height;y++) {
+ int y;
+ for(y=starty;y<=endy;y+=yinc) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
@@
-98,10
+104,10
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
}
}
} else if(bi->biBitCount==4) {
}
}
} else if(bi->biBitCount==4) {
- int y;
UCHAR*img = &data[bi->biClrUsed*4];
UCHAR*pal = data;
UCHAR*img = &data[bi->biClrUsed*4];
UCHAR*pal = data;
- for(y=0;y<dest_height;y++) {
+ int y;
+ for(y=starty;y<=endy;y+=yinc) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width/2;x++) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width/2;x++) {
@@
-111,10
+117,10
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
}
}
} else if(bi->biBitCount==8) {
}
}
} else if(bi->biBitCount==8) {
- int y;
UCHAR*img = &data[bi->biClrUsed*4];
UCHAR*pal = data;
UCHAR*img = &data[bi->biClrUsed*4];
UCHAR*pal = data;
- for(y=0;y<dest_height;y++) {
+ int y;
+ for(y=starty;y<=endy;y+=yinc) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
@@
-125,7
+131,7
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
} else if(bi->biBitCount==24) {
UCHAR*img = data;
int y;
} else if(bi->biBitCount==24) {
UCHAR*img = data;
int y;
- for(y=0;y<dest_height;y++) {
+ for(y=starty;y<=endy;y+=yinc) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
@@
-136,7
+142,7
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
} else if(bi->biBitCount==32) {
UCHAR*img = data;
int y;
} else if(bi->biBitCount==32) {
UCHAR*img = data;
int y;
- for(y=0;y<dest_height;y++) {
+ for(y=starty;y<=endy;y+=yinc) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
UCHAR*line = &img[linex*y];
int x;
for(x=0;x<dest_width;x++) {
@@
-151,7
+157,7
@@
static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
return 1;
}
return 1;
}
-int videoreader_vfw_getimage(videoreader_t* vr, void*buffer)
+static int videoreader_vfw_getimage(videoreader_t* vr, void*buffer)
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
@@
-185,7
+191,7
@@
static int readAudioBlock(videoreader_vfw_internal_t* i, void*buf, int len)
return bytes;
}
return bytes;
}
-int videoreader_vfw_getsamples(videoreader_t* vr, void*buf, int num)
+static int videoreader_vfw_getsamples(videoreader_t* vr, void*buf, int num)
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
@@
-215,7
+221,7
@@
int videoreader_vfw_getsamples(videoreader_t* vr, void*buf, int num)
}
}
}
}
-void videoreader_vfw_close(videoreader_t* vr)
+static void videoreader_vfw_close(videoreader_t* vr)
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
{
videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
@@
-233,7
+239,13
@@
void videoreader_vfw_close(videoreader_t* vr)
free(vr->internal); vr->internal = 0;
}
free(vr->internal); vr->internal = 0;
}
-void videoreader_vfw_setparameter(videoreader_t* vr, char*name, char*value) {}
+static void videoreader_vfw_setparameter(videoreader_t*vr, char*name, char*value)
+{
+ videoreader_vfw_internal_t* i = (videoreader_vfw_internal_t*)vr->internal;
+ if(!strcmp(name, "flip")) {
+ i->flip = atoi(value);
+ }
+}
int videoreader_vfw_open(videoreader_t* vr, char* filename)
{
int videoreader_vfw_open(videoreader_t* vr, char* filename)
{