rgb test pattern generator, so we could change everything to match alex's definition of rgb/bgr

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11895 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 141 insertions, 0 deletions

diff --git a/libmpcodecs/vf_rgbtest.c b/libmpcodecs/vf_rgbtest.c
new file mode 100644
index 0000000000..67e79b4515
--- /dev/null
+++ b/libmpcodecs/vf_rgbtest.c
@@ -0,0 +1,141 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+#include "../libvo/fastmemcpy.h"
+
+//===========================================================================//
+
+struct vf_priv_s {
+    unsigned int fmt;
+};
+
+static unsigned int getfmt(unsigned int outfmt){
+    switch(outfmt){
+    case IMGFMT_RGB15:
+    case IMGFMT_RGB16:
+    case IMGFMT_RGB24:
+    case IMGFMT_RGB32:
+    case IMGFMT_BGR15:
+    case IMGFMT_BGR16:
+    case IMGFMT_BGR24:
+    case IMGFMT_BGR32:
+	return outfmt;
+    }
+    return 0;    
+}
+
+static void put_pixel(uint8_t *buf, int x, int y, int stride, int r, int g, int b, int fmt){
+    switch(fmt){
+    case IMGFMT_RGB15: ((uint16_t*)(buf + y*stride))[x]= ((r>>3)<<10) | ((g>>3)<<5) | (b>>3);
+    break;
+    case IMGFMT_BGR15: ((uint16_t*)(buf + y*stride))[x]= ((b>>3)<<10) | ((g>>3)<<5) | (r>>3);
+    break;
+    case IMGFMT_RGB16: ((uint16_t*)(buf + y*stride))[x]= ((r>>3)<<11) | ((g>>2)<<5) | (b>>3);
+    break;
+    case IMGFMT_BGR16: ((uint16_t*)(buf + y*stride))[x]= ((b>>3)<<11) | ((g>>2)<<5) | (r>>3);
+    break;
+/*    case IMGFMT_RGB32_ME: ((uint32_t*)(buf + y*stride))[x]= (r<<16) | (g<<8) | b;
+    break;
+    case IMGFMT_BGR32_ME: ((uint32_t*)(buf + y*stride))[x]= (b<<16) | (g<<8) | r;
+    break;*/
+    case IMGFMT_RGB24: 
+        buf[3*x + y*stride + 0]= r;
+        buf[3*x + y*stride + 1]= g;
+        buf[3*x + y*stride + 2]= b;
+    break;
+    case IMGFMT_BGR24:
+        buf[3*x + y*stride + 0]= b;
+        buf[3*x + y*stride + 1]= g;
+        buf[3*x + y*stride + 2]= r;
+    break;
+    case IMGFMT_RGB32:
+        buf[4*x + y*stride + 0]= r;
+        buf[4*x + y*stride + 1]= g;
+        buf[4*x + y*stride + 2]= b;
+    break;
+    case IMGFMT_BGR32:
+        buf[4*x + y*stride + 0]= b;
+        buf[4*x + y*stride + 1]= g;
+        buf[4*x + y*stride + 2]= r;
+    break;
+/*    case IMGFMT_ARGB32:
+        buf[4*x + y*stride + 1]= r;
+        buf[4*x + y*stride + 2]= g;
+        buf[4*x + y*stride + 3]= b;
+    break;
+    case IMGFMT_ABGR32:
+        buf[4*x + y*stride + 1]= b;
+        buf[4*x + y*stride + 2]= g;
+        buf[4*x + y*stride + 3]= r;
+    break;*/
+    }
+}
+
+static int config(struct vf_instance_s* vf,
+        int width, int height, int d_width, int d_height,
+	unsigned int flags, unsigned int outfmt){
+    vf->priv->fmt=getfmt(outfmt);
+    mp_msg(MSGT_VFILTER,MSGL_V,"rgb test format:%s\n", vo_format_name(outfmt));
+    return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
+}
+
+static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+    mp_image_t *dmpi;
+    int x, y;
+
+    // hope we'll get DR buffer:
+    dmpi=vf_get_image(vf->next,vf->priv->fmt,
+	MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
+	mpi->w, mpi->h);
+
+     for(y=0; y<mpi->h; y++){
+         for(x=0; x<mpi->w; x++){
+             int c= 256*x/mpi->w;
+             int r=0,g=0,b=0;
+             
+             if(3*y<mpi->h)        r=c;
+             else if(3*y<2*mpi->h) g=c;
+             else                  b=c;
+             
+             put_pixel(dmpi->planes[0], x, y, dmpi->stride[0], r, g, b, vf->priv->fmt);
+         }
+     }
+
+    return vf_next_put_image(vf,dmpi);
+}
+
+//===========================================================================//
+
+static int query_format(struct vf_instance_s* vf, unsigned int outfmt){
+    unsigned int fmt=getfmt(outfmt);
+    if(!fmt) return 0;
+    return vf_next_query_format(vf,fmt) & (~VFCAP_CSP_SUPPORTED_BY_HW);
+}
+
+static int open(vf_instance_t *vf, char* args){
+    vf->config=config;
+    vf->put_image=put_image;
+    vf->query_format=query_format;
+    vf->priv=malloc(sizeof(struct vf_priv_s));
+    return 1;
+}
+
+vf_info_t vf_info_rgbtest = {
+    "rgbtest",
+    "rgbtest",
+    "Michael Niedermayer",
+    "",
+    open,
+    NULL
+};
+
+//===========================================================================//