initial revision.

diff --git a/avi2swf/videoreader_dummy.cc b/avi2swf/videoreader_dummy.cc
new file mode 100644 (file)
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+++ b/avi2swf/videoreader_dummy.cc
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+/* videoreader_dummy.cc
+   Simple example for a videoreader.
+
+   Part of the swftools package.
+   
+   Copyright (c) 2004 Matthias Kramm <kramm@quiss.org>
+ 
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include "videoreader.h"
+
+typedef struct _my_internal
+{
+    int pos;
+    int len; //frames
+} my_internal;
+
+typedef struct _RGBA
+{ unsigned char a;
+  unsigned char r;
+  unsigned char g;
+  unsigned char b;
+} RGBA;
+
+int my_getsamples(videoreader_t* v, void*buffer, int num)
+{
+    /* generate audio data */
+    my_internal*i = (my_internal*)v->internal;
+    // printf("request for %d samples\n", num);
+    
+    return 0; // no audio
+}
+
+int my_getimage(videoreader_t* v, void*buffer)
+{
+    /* generate video frame */
+    my_internal*i = (my_internal*)v->internal;
+    RGBA*buf = (RGBA*)buffer;
+
+    if(i->pos>=i->len)
+       return 0; /* end of video */
+
+    i->pos++; // next frame
+    
+    int x,y;
+    /* generate a simple color gradient */
+    for(y=0;y<v->height;y++)
+    for(x=0;x<v->width;x++) {
+       int r,g,b;
+       r = x;
+       g = y;
+       b = x+y;
+       buf[y*v->width + x].r = r; 
+       buf[y*v->width + x].g = g;
+       buf[y*v->width + x].b = b;
+       buf[y*v->width + x].a = 255;
+    }
+    return v->width*v->height*4;
+}
+void my_close(videoreader_t* v)
+{
+    my_internal*i = (my_internal*)v->internal;
+    free(v->internal);v->internal = 0;
+}
+void my_setparameter(videoreader_t*v, char*name, char*value)
+{
+}
+int videoreader_dummy_open(videoreader_t* v, char* filename)
+{
+    my_internal* i;
+    i = (my_internal*)malloc(sizeof(my_internal));
+    memset(i, 0, sizeof(my_internal));
+    v->internal = i;
+
+    i->len = 2000; //number of frames
+
+    v->width = 320;
+    v->height = 200;
+    v->channels = 2;
+    v->samplerate = 44100;
+    v->fps = 15;
+
+    v->getsamples = my_getsamples;
+    v->close = my_close;
+    v->getimage = my_getimage;
+    v->getsamples = my_getsamples;
+    v->setparameter = my_setparameter;
+
+    return 0;
+}