private int dump_comments(Xiph.vorbis_info vi, Xiph.vorbis_comment vc)
{
Debug.Log("Encoded by " + vc.vendor);
if (vc.user_comments != null)
{
Debug.Log("vorbis comment header:");
for (int i = 0; i < vc.user_comments.Length; i++)
{
Debug.Log("\t" + vc.user_comments[i]);
}
}
Debug.Log(string.Concat(new object[]
{
"\nBitstream is ",
vi.channels,
" channel, ",
vi.rate,
"Hz\n"
}));
return(0);
}
private bool LoadAudio()
{
this.oy = new Xiph.ogg_sync_state();
this.os = new Xiph.ogg_stream_state();
this.og = new Xiph.ogg_page();
this.op = new Xiph.ogg_packet();
this.vi = new Xiph.vorbis_info();
this.vc = new Xiph.vorbis_comment();
this.vd = new Xiph.vorbis_dsp_state();
this.vb = new Xiph.vorbis_block();
this.instream_pos = 0L;
this.eos = false;
this.last_buf = false;
this.need_more_data = false;
this.need_next_pcm = true;
this.vorbis_p = false;
this.stateflag = false;
this.comments_header = false;
this.instream_pos = 0L;
this.curPcmOffset = 0;
this.Pcm = null;
this.PcmSampleCount = 0L;
this.PcmSampleOffset = 0L;
this.readspeed = (double)this.control_.Scale + 44.1;
this.lastReadIdx = -1;
Xiph.ogg_sync_init(this.oy);
Xiph.vorbis_info_init(this.vi);
Xiph.vorbis_comment_init(this.vc);
while (!this.stateflag)
{
if (this.buffer_data(this.instream, this.oy) == 0)
{
break;
}
while (Xiph.ogg_sync_pageout(this.oy, this.og) > 0)
{
Xiph.ogg_stream_state ogg_stream_state = new Xiph.ogg_stream_state();
if (Xiph.ogg_page_bos(this.og) == 0)
{
this.stateflag = true;
break;
}
Xiph.ogg_stream_init(ogg_stream_state, Xiph.ogg_page_serialno(this.og));
Xiph.ogg_stream_pagein(ogg_stream_state, this.og);
int num = Xiph.ogg_stream_packetpeek(ogg_stream_state, this.op);
if (num == 1 && !this.vorbis_p && Xiph.vorbis_synthesis_headerin(this.vi, this.vc, this.op) >= 0)
{
this.os = Xiph.ogg_stream_clone(ogg_stream_state);
this.vorbis_p = true;
Xiph.ogg_stream_packetout(this.os, null);
}
else
{
Xiph.ogg_stream_clear(ogg_stream_state);
}
}
}
while (this.vorbis_p && !this.comments_header)
{
int num2;
while ((num2 = Xiph.ogg_stream_packetpeek(this.os, this.op)) != 0)
{
if (num2 >= 0)
{
if (Xiph.vorbis_synthesis_headerin(this.vi, this.vc, this.op) < 0)
{
this.error = "Error parsing Theora stream vorbis; corrupt stream?\n";
return(false);
}
Xiph.ogg_stream_packetout(this.os, null);
this.comments_header = true;
}
}
if (Xiph.ogg_sync_pageout(this.oy, this.og) > 0)
{
Xiph.ogg_stream_pagein(this.os, this.og);
}
else if (this.buffer_data(this.instream, this.oy) == 0)
{
this.error = "End of file while searching for codec headers.\n";
return(false);
}
}
if (this.vorbis_p)
{
if (this.buffer_data(this.instream, this.oy) == 0)
{
this.error = "End of file before finding all Vorbis headers!\n";
return(false);
}
this.PcmRate = this.vi.rate;
this.PcmChannels = this.vi.channels;
this.PcmSampleOffset = (long)(-176400 / this.PcmChannels);
this.PcmSampleCount = (long)(88200 / this.PcmChannels);
this.curPcmOffset = 88200;
this.control_.PcmChannels = this.PcmChannels;
this.control_.PcmRate = this.PcmRate;
this.control_.SamplesPerMillisecond = (double)this.control_.Scale * 44.1;
this.dump_comments(this.vi, this.vc);
if (Xiph.vorbis_synthesis_init(this.vd, this.vi) != 0)
{
this.error = "Wrong Vorbis stream!\n";
return(false);
}
Xiph.vorbis_block_init(this.vd, this.vb);
}
return(this.vorbis_p);
}
