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-rw-r--r--contrib/vorbis/examples/chaining_example.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/vorbis/examples/chaining_example.c b/contrib/vorbis/examples/chaining_example.c
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+++ b/contrib/vorbis/examples/chaining_example.c
@@ -0,0 +1,71 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
+ * by the Xiph.Org Foundation http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: illustrate simple use of chained bitstream and vorbisfile.a
+
+ ********************************************************************/
+
+#include <stdlib.h>
+#include <vorbis/codec.h>
+#include <vorbis/vorbisfile.h>
+
+#ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
+#include <io.h>
+#include <fcntl.h>
+#endif
+
+int main(){
+ OggVorbis_File ov;
+ int i;
+
+#ifdef _WIN32 /* We need to set stdin to binary mode. Damn windows. */
+ /* Beware the evil ifdef. We avoid these where we can, but this one we
+ cannot. Don't add any more, you'll probably go to hell if you do. */
+ _setmode( _fileno( stdin ), _O_BINARY );
+#endif
+
+ /* open the file/pipe on stdin */
+ if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)<0){
+ printf("Could not open input as an OggVorbis file.\n\n");
+ exit(1);
+ }
+
+ /* print details about each logical bitstream in the input */
+ if(ov_seekable(&ov)){
+ printf("Input bitstream contained %ld logical bitstream section(s).\n",
+ ov_streams(&ov));
+ printf("Total bitstream samples: %ld\n\n",
+ (long)ov_pcm_total(&ov,-1));
+ printf("Total bitstream playing time: %ld seconds\n\n",
+ (long)ov_time_total(&ov,-1));
+
+ }else{
+ printf("Standard input was not seekable.\n"
+ "First logical bitstream information:\n\n");
+ }
+
+ for(i=0;i<ov_streams(&ov);i++){
+ vorbis_info *vi=ov_info(&ov,i);
+ printf("\tlogical bitstream section %d information:\n",i+1);
+ printf("\t\t%ldHz %d channels bitrate %ldkbps serial number=%ld\n",
+ vi->rate,vi->channels,ov_bitrate(&ov,i)/1000,
+ ov_serialnumber(&ov,i));
+ printf("\t\theader length: %ld bytes\n",(long)
+ (ov.dataoffsets[i]-ov.offsets[i]));
+ printf("\t\tcompressed length: %ld bytes\n",(long)(ov_raw_total(&ov,i)));
+ printf("\t\tplay time: %lds\n",(long)ov_time_total(&ov,i));
+ }
+
+ ov_clear(&ov);
+ return 0;
+}
+