cannam@86: /********************************************************************
cannam@86:  *                                                                  *
cannam@86:  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
cannam@86:  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
cannam@86:  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
cannam@86:  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
cannam@86:  *                                                                  *
cannam@86:  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
cannam@86:  * by the Xiph.Org Foundation http://www.xiph.org/                  *
cannam@86:  *                                                                  *
cannam@86:  ********************************************************************
cannam@86: 
cannam@86:  function: illustrate simple use of chained bitstream and vorbisfile.a
cannam@86:  last mod: $Id: chaining_example.c 16243 2009-07-10 02:49:31Z xiphmont $
cannam@86: 
cannam@86:  ********************************************************************/
cannam@86: 
cannam@86: #include <stdlib.h>
cannam@86: #include <vorbis/codec.h>
cannam@86: #include <vorbis/vorbisfile.h>
cannam@86: 
cannam@86: #ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
cannam@86: #include <io.h>
cannam@86: #include <fcntl.h>
cannam@86: #endif
cannam@86: 
cannam@86: int main(){
cannam@86:   OggVorbis_File ov;
cannam@86:   int i;
cannam@86: 
cannam@86: #ifdef _WIN32 /* We need to set stdin to binary mode. Damn windows. */
cannam@86:   /* Beware the evil ifdef. We avoid these where we can, but this one we
cannam@86:      cannot. Don't add any more, you'll probably go to hell if you do. */
cannam@86:   _setmode( _fileno( stdin ), _O_BINARY );
cannam@86: #endif
cannam@86: 
cannam@86:   /* open the file/pipe on stdin */
cannam@86:   if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)<0){
cannam@86:     printf("Could not open input as an OggVorbis file.\n\n");
cannam@86:     exit(1);
cannam@86:   }
cannam@86: 
cannam@86:   /* print details about each logical bitstream in the input */
cannam@86:   if(ov_seekable(&ov)){
cannam@86:     printf("Input bitstream contained %ld logical bitstream section(s).\n",
cannam@86:            ov_streams(&ov));
cannam@86:     printf("Total bitstream samples: %ld\n\n",
cannam@86:            (long)ov_pcm_total(&ov,-1));
cannam@86:     printf("Total bitstream playing time: %ld seconds\n\n",
cannam@86:            (long)ov_time_total(&ov,-1));
cannam@86: 
cannam@86:   }else{
cannam@86:     printf("Standard input was not seekable.\n"
cannam@86:            "First logical bitstream information:\n\n");
cannam@86:   }
cannam@86: 
cannam@86:   for(i=0;i<ov_streams(&ov);i++){
cannam@86:     vorbis_info *vi=ov_info(&ov,i);
cannam@86:     printf("\tlogical bitstream section %d information:\n",i+1);
cannam@86:     printf("\t\t%ldHz %d channels bitrate %ldkbps serial number=%ld\n",
cannam@86:            vi->rate,vi->channels,ov_bitrate(&ov,i)/1000,
cannam@86:            ov_serialnumber(&ov,i));
cannam@86:     printf("\t\theader length: %ld bytes\n",(long)
cannam@86:            (ov.dataoffsets[i]-ov.offsets[i]));
cannam@86:     printf("\t\tcompressed length: %ld bytes\n",(long)(ov_raw_total(&ov,i)));
cannam@86:     printf("\t\tplay time: %lds\n",(long)ov_time_total(&ov,i));
cannam@86:   }
cannam@86: 
cannam@86:   ov_clear(&ov);
cannam@86:   return 0;
cannam@86: }
cannam@86: