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Diffstat (limited to 'examples/chaining_example.c')
-rw-r--r-- | examples/chaining_example.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/examples/chaining_example.c b/examples/chaining_example.c new file mode 100644 index 0000000..19215d7 --- /dev/null +++ b/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; +} + |