Make sound format support optional

[libs/al.git] / source / oggdecoder.cpp

diff --git a/source/oggdecoder.cpp b/source/oggdecoder.cpp
deleted file mode 100644 (file)
index 374cf0b..0000000
--- a/source/oggdecoder.cpp
+++ /dev/null
@@ -1,130 +0,0 @@
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-variable"
-#include <vorbis/vorbisfile.h>
-#pragma GCC diagnostic pop
-#include <msp/strings/format.h>
-#include "oggdecoder.h"
-
-using namespace std;
-
-namespace {
-
-size_t read(void *ptr, size_t size, size_t nmemb, void *src)
-{
-       Msp::IO::Base *in = reinterpret_cast<Msp::IO::Base *>(src);
-       unsigned len = in->read(reinterpret_cast<char *>(ptr), size*nmemb);
-       return len/size;
-}
-
-int seek(void *src, ogg_int64_t offset, int whence)
-{
-       Msp::IO::SeekType type;
-       if(whence==SEEK_SET)
-               type = Msp::IO::S_BEG;
-       else if(whence==SEEK_CUR)
-               type = Msp::IO::S_CUR;
-       else if(whence==SEEK_END)
-               type = Msp::IO::S_END;
-       else
-               return -1;
-
-       Msp::IO::Seekable *in = reinterpret_cast<Msp::IO::Seekable *>(src);
-       return in->seek(offset, type);
-}
-
-long tell(void *src)
-{
-       return reinterpret_cast<Msp::IO::Seekable *>(src)->tell();
-}
-
-ov_callbacks io_callbacks =
-{
-       &read,
-       &seek,
-       0,
-       &tell
-};
-
-} // namespace
-
-
-namespace Msp {
-namespace AL {
-
-ogg_error::ogg_error(const std::string &func, int code):
-       runtime_error(format("%s: %s", func, get_message(code)))
-{ }
-
-string ogg_error::get_message(int code)
-{
-       switch(code)
-       {
-       case OV_FALSE: return "No data available";
-       case OV_HOLE: return "Missing or corrupt data";
-       case OV_EREAD: return "Read error";
-       case OV_EFAULT: return "Internal inconsistency";
-       case OV_EIMPL: return "Not implemented";
-       case OV_EINVAL: return "Invalid argument";
-       case OV_ENOTVORBIS: return "Not Vorbis data";
-       case OV_EBADHEADER: return "Corrupt Vorbis header";
-       case OV_EVERSION: return "Unsupported version";
-       case OV_EBADLINK: return "Bad link";
-       case OV_ENOSEEK: return "Stream is not seekable";
-       default: return format("Unknown error (%d)", code);
-       }
-}
-
-
-struct OggDecoder::Private
-{
-       OggVorbis_File ovfile;  
-};
-
-OggDecoder::OggDecoder(IO::Seekable &io):
-       priv(new Private)
-{
-       int ret = ov_open_callbacks(&io, &priv->ovfile, 0, 0, io_callbacks);
-       if(ret<0)
-               throw ogg_error("ov_open_callbacks", ret);
-
-       vorbis_info *info = ov_info(&priv->ovfile, -1);
-       freq = info->rate;
-       format = create_format(2, info->channels);
-
-       size = ov_pcm_total(&priv->ovfile, 0)*get_unit_size(format);
-}
-
-OggDecoder::~OggDecoder()
-{
-       if(priv->ovfile.datasource)
-               ov_clear(&priv->ovfile);
-       delete priv;
-}
-
-bool OggDecoder::detect(const std::string &sig)
-{
-       static const char ogg_sig[] = { 'O', 'g', 'g', 'S' };
-       if(sig.size()<sizeof(ogg_sig))
-               return false;
-       return !sig.compare(0, sizeof(ogg_sig), ogg_sig, sizeof(ogg_sig));
-}
-
-void OggDecoder::seek(unsigned pos)
-{
-       pos /= get_unit_size(format);
-       ov_pcm_seek(&priv->ovfile, pos);
-}
-
-unsigned OggDecoder::read(char *buf, unsigned len)
-{
-       int section = 0;
-       int res = ov_read(&priv->ovfile, buf, len, 0, 2, 1, &section);
-       if(res<0)
-               throw ogg_error("ov_read", res);
-       else if(res==0)
-               eof_flag = true;
-       return res;
-}
-
-} // namespace AL
-} // namespace Msp