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