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Diffstat (limited to 'vorbis/test/write_read.c')
-rw-r--r-- | vorbis/test/write_read.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/vorbis/test/write_read.c b/vorbis/test/write_read.c deleted file mode 100644 index f1190dc..0000000 --- a/vorbis/test/write_read.c +++ /dev/null @@ -1,297 +0,0 @@ -/******************************************************************** - * * - * 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: utility functions for vorbis codec test suite. - - ********************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> -#include <errno.h> - -#include <vorbis/codec.h> -#include <vorbis/vorbisenc.h> - -#include "write_read.h" - -/* The following function is basically a hacked version of the code in - * examples/encoder_example.c */ -void -write_vorbis_data_or_die (const char *filename, int srate, float q, const float * data, int count, int ch) -{ - FILE * file ; - ogg_stream_state os; - ogg_page og; - ogg_packet op; - vorbis_info vi; - vorbis_comment vc; - vorbis_dsp_state vd; - vorbis_block vb; - - int eos = 0, ret; - - if ((file = fopen (filename, "wb")) == NULL) { - printf("\n\nError : fopen failed : %s\n", strerror (errno)) ; - exit (1) ; - } - - /********** Encode setup ************/ - - vorbis_info_init (&vi); - - ret = vorbis_encode_init_vbr (&vi,ch,srate,q); - if (ret) { - printf ("vorbis_encode_init_vbr return %d\n", ret) ; - exit (1) ; - } - - vorbis_comment_init (&vc); - vorbis_comment_add_tag (&vc,"ENCODER","test/util.c"); - vorbis_analysis_init (&vd,&vi); - vorbis_block_init (&vd,&vb); - - ogg_stream_init (&os,12345678); - - { - ogg_packet header; - ogg_packet header_comm; - ogg_packet header_code; - - vorbis_analysis_headerout (&vd,&vc,&header,&header_comm,&header_code); - ogg_stream_packetin (&os,&header); - ogg_stream_packetin (&os,&header_comm); - ogg_stream_packetin (&os,&header_code); - - /* Ensures the audio data will start on a new page. */ - while (!eos){ - int result = ogg_stream_flush (&os,&og); - if (result == 0) - break; - fwrite (og.header,1,og.header_len,file); - fwrite (og.body,1,og.body_len,file); - } - - } - - { - /* expose the buffer to submit data */ - float **buffer = vorbis_analysis_buffer (&vd,count); - int i; - - for(i=0;i<ch;i++) - memcpy (buffer [i], data, count * sizeof (float)) ; - - /* tell the library how much we actually submitted */ - vorbis_analysis_wrote (&vd,count); - vorbis_analysis_wrote (&vd,0); - } - - while (vorbis_analysis_blockout (&vd,&vb) == 1) { - vorbis_analysis (&vb,NULL); - vorbis_bitrate_addblock (&vb); - - while (vorbis_bitrate_flushpacket (&vd,&op)) { - ogg_stream_packetin (&os,&op); - - while (!eos) { - int result = ogg_stream_pageout (&os,&og); - if (result == 0) - break; - fwrite (og.header,1,og.header_len,file); - fwrite (og.body,1,og.body_len,file); - - if (ogg_page_eos (&og)) - eos = 1; - } - } - } - - ogg_stream_clear (&os); - vorbis_block_clear (&vb); - vorbis_dsp_clear (&vd); - vorbis_comment_clear (&vc); - vorbis_info_clear (&vi); - - fclose (file) ; -} - -/* The following function is basically a hacked version of the code in - * examples/decoder_example.c */ -void -read_vorbis_data_or_die (const char *filename, int srate, float * data, int count) -{ - ogg_sync_state oy; - ogg_stream_state os; - ogg_page og; - ogg_packet op; - - vorbis_info vi; - vorbis_comment vc; - vorbis_dsp_state vd; - vorbis_block vb; - - FILE *file; - char *buffer; - int bytes; - int eos = 0; - int i; - int read_total = 0 ; - - if ((file = fopen (filename, "rb")) == NULL) { - printf("\n\nError : fopen failed : %s\n", strerror (errno)) ; - exit (1) ; - } - - ogg_sync_init (&oy); - - { - /* fragile! Assumes all of our headers will fit in the first 8kB, - which currently they will */ - buffer = ogg_sync_buffer (&oy,8192); - bytes = fread (buffer,1,8192,file); - ogg_sync_wrote (&oy,bytes); - - if(ogg_sync_pageout (&oy,&og) != 1) { - if(bytes < 8192) { - printf ("Out of data.\n") ; - goto done_decode ; - } - - fprintf (stderr,"Input does not appear to be an Ogg bitstream.\n"); - exit (1); - } - - ogg_stream_init (&os,ogg_page_serialno(&og)); - - vorbis_info_init (&vi); - vorbis_comment_init (&vc); - if (ogg_stream_pagein (&os,&og) < 0) { - fprintf (stderr,"Error reading first page of Ogg bitstream data.\n"); - exit (1); - } - - if (ogg_stream_packetout(&os,&op) != 1) { - fprintf (stderr,"Error reading initial header packet.\n"); - exit (1); - } - - if (vorbis_synthesis_headerin (&vi,&vc,&op) < 0) { - fprintf (stderr,"This Ogg bitstream does not contain Vorbis " - "audio data.\n"); - exit (1); - } - - i = 0; - while ( i < 2) { - while (i < 2) { - - int result = ogg_sync_pageout (&oy,&og); - if(result == 0) - break; - if(result==1) { - ogg_stream_pagein(&os,&og); - - while (i < 2) { - result = ogg_stream_packetout (&os,&op); - if (result == 0) break; - if (result < 0) { - fprintf (stderr,"Corrupt secondary header. Exiting.\n"); - exit(1); - } - vorbis_synthesis_headerin (&vi,&vc,&op); - i++; - } - } - } - - buffer = ogg_sync_buffer (&oy,4096); - bytes = fread (buffer,1,4096,file); - if (bytes == 0 && i < 2) { - fprintf (stderr,"End of file before finding all Vorbis headers!\n"); - exit (1); - } - - ogg_sync_wrote (&oy,bytes); - } - - if (vi.rate != srate) { - printf ("\n\nError : File '%s' has sample rate of %ld when it should be %d.\n\n", filename, vi.rate, srate); - exit (1) ; - } - - vorbis_synthesis_init (&vd,&vi); - vorbis_block_init (&vd,&vb); - - while(!eos) { - while (!eos) { - int result = ogg_sync_pageout (&oy,&og); - if (result == 0) - break; - if (result < 0) { - fprintf (stderr,"Corrupt or missing data in bitstream; " - "continuing...\n"); - } else { - ogg_stream_pagein (&os,&og); - while (1) { - result = ogg_stream_packetout (&os,&op); - - if (result == 0) - break; - if (result < 0) { - /* no reason to complain; already complained above */ - } else { - float **pcm; - int samples; - - if (vorbis_synthesis (&vb,&op) == 0) - vorbis_synthesis_blockin(&vd,&vb); - while ((samples = vorbis_synthesis_pcmout (&vd,&pcm)) > 0 && read_total < count) { - int bout = samples < count ? samples : count; - bout = read_total + bout > count ? count - read_total : bout; - - memcpy (data + read_total, pcm[0], bout * sizeof (float)) ; - - vorbis_synthesis_read (&vd,bout); - read_total += bout ; - } - } - } - - if (ogg_page_eos (&og)) eos = 1; - } - } - - if (!eos) { - buffer = ogg_sync_buffer (&oy,4096); - bytes = fread (buffer,1,4096,file); - ogg_sync_wrote (&oy,bytes); - if (bytes == 0) eos = 1; - } - } - - ogg_stream_clear (&os); - - vorbis_block_clear (&vb); - vorbis_dsp_clear (&vd); - vorbis_comment_clear (&vc); - vorbis_info_clear (&vi); - } -done_decode: - - /* OK, clean up the framer */ - ogg_sync_clear (&oy); - - fclose (file) ; -} - |