Updated libtheora from 1.1 to 1.1.1, we kept the CMakeLists.txt

--HG-- branch : update-to-libtheora-1.1.1
2026-08-21 05:02:11 +02:00 · 2016-02-12 11:29:23 -05:00
parent cda9f55e33
commit be26fc29ae
340 changed files with 125491 additions and 51558 deletions
@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _WIN32
+#include <windows.h>
+#else
+typedef long DWORD;
+#endif
+
+/*extremely crude app to dump vp3 frames from an avi file*/
+/*filenames are hardcoded*/
+
+#include "avilib.h"
+
+int main(int argc, const char **argv)
+{
+
+    FILE * f = fopen("outfile.vp3", "wb");
+    
+    char * buffer;
+    int olength;
+    int length;
+    avi_t *avifile;
+    int chunksize;    
+    int frame;
+    int frames;
+    int keyframegap = 0;
+    int maxkeyframegap = 0;
+
+    DWORD initialticks;
+    
+    int framew = 0;
+    int frameh = 0;
+    double framerate = 0.0f;
+    double fps_numerator, fps_denominator;
+
+    avifile = AVI_open_input_file("vp31.avi", 1);
+    frames = AVI_video_frames(avifile);
+    framew = AVI_video_width(avifile);
+    frameh = AVI_video_height(avifile);
+    framerate = AVI_frame_rate(avifile);
+    chunksize = AVI_max_video_chunk(avifile);
+    /* avilib only reports the max video chunk size if the file has an
+       idx table. We fall back to an arbitrary limit otherwise. Better
+       would be just to handle the chunks dynamically */
+    if (chunksize <= 0) chunksize = 131072;
+    buffer = malloc(chunksize);
+    printf("Frames(%d) Video(%dx%d) %3.2f fps\n",frames,framew, frameh,framerate);
+    printf("Video Compressor: %s", AVI_video_compressor(avifile));
+    fps_denominator = 1000000.0F;
+    fps_numerator = framerate * fps_denominator;
+    
+    sprintf(buffer,"AVI2VP31R W%d H%d F%.0f:%.0f Ip A0:0\n", framew, frameh, fps_numerator, fps_denominator);
+    fwrite(buffer, strlen(buffer), 1, f);
+    
+    for (frame = 0; frame < frames;) {
+	int keyframe;
+	olength = length;
+	length = AVI_frame_size(avifile, frame++);
+	if( !length ) {
+	    length = olength;
+	}
+	AVI_read_frame(avifile, (char *) buffer, &keyframe);
+	fwrite("FRAME\n", 6, 1, f);
+	fwrite(&length, sizeof(int), 1, f);
+	fwrite(&keyframe, sizeof(int), 1, f);
+	printf("Frame size(%d) IsKeyframe(%d)\n", length, keyframe);
+	fwrite(buffer, 1, length, f);
+	if (!keyframe){
+	  keyframegap++;
+	} else {
+	  if (keyframegap>maxkeyframegap) maxkeyframegap=keyframegap;	
+	  keyframegap = 0;
+	}
+	}
+
+	fclose(f);
+	printf("Max keyframegap (%d)\n", maxkeyframegap);
+	
+	free(buffer);
+
+    exit(0);
+}