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Make (MIDI) event time stamp type a template parameter.

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git-svn-id: svn://localhost/ardour2/branches/3.0@4473 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2009-02-02 02:36:05 +00:00
parent ead5dd4568
commit 166ef64e3d
54 changed files with 534 additions and 424 deletions
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53
libs/evoral/src/SMF.cpp
View file

@ -32,7 +32,8 @@ using namespace std;
namespace Evoral {
SMF::SMF()
template<typename T>
SMF<T>::SMF()
: _fd(0)
, _last_ev_time(0)
, _track_size(4) // 4 bytes for the ever-present EOT event
@ -41,7 +42,8 @@ SMF::SMF()
{
}
SMF::~SMF()
template<typename T>
SMF<T>::~SMF()
{
}
@ -53,8 +55,9 @@ SMF::~SMF()
* -1 if the file can not be opened for reading,
* -2 if the file can not be opened for writing
*/
template<typename T>
int
SMF::open(const std::string& path)
SMF<T>::open(const std::string& path)
{
//cerr << "Opening SMF file " << path() << " writeable: " << writable() << endl;
_fd = fopen(path.c_str(), "r+");
@ -87,8 +90,9 @@ SMF::open(const std::string& path)
return (_fd == 0) ? -1 : 0;
}
template<typename T>
void
SMF::close()
SMF<T>::close()
{
if (_fd) {
flush_header();
@ -98,14 +102,16 @@ SMF::close()
}
}
template<typename T>
void
SMF::seek_to_start() const
SMF<T>::seek_to_start() const
{
fseek(_fd, _header_size, SEEK_SET);
}
template<typename T>
void
SMF::seek_to_footer_position()
SMF<T>::seek_to_footer_position()
{
uint8_t buffer[4];
@ -126,14 +132,16 @@ SMF::seek_to_footer_position()
}
}
template<typename T>
void
SMF::flush()
SMF<T>::flush()
{
fflush(_fd);
}
template<typename T>
int
SMF::flush_header()
SMF<T>::flush_header()
{
// FIXME: write timeline position somehow?
@ -161,8 +169,9 @@ SMF::flush_header()
return 0;
}
template<typename T>
int
SMF::flush_footer()
SMF<T>::flush_footer()
{
//cerr << path() << " SMF Flushing footer\n";
seek_to_footer_position();
@ -172,8 +181,9 @@ SMF::flush_footer()
return 0;
}
template<typename T>
void
SMF::write_footer()
SMF<T>::write_footer()
{
write_var_len(0);
char eot[3] = { 0xFF, 0x2F, 0x00 }; // end-of-track meta-event
@ -196,8 +206,9 @@ SMF::write_footer()
* Returns event length (including status byte) on success, 0 if event was
* skipped (eg a meta event), or -1 on EOF (or end of track).
*/
template<typename T>
int
SMF::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
SMF<T>::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
{
if (feof(_fd)) {
return -1;
@ -263,8 +274,9 @@ SMF::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
return (int)*size;
}
template<typename T>
void
SMF::append_event_unlocked(uint32_t delta_t, const Evoral::Event& ev)
SMF<T>::append_event_unlocked(uint32_t delta_t, const Event<T>& ev)
{
if (ev.size() == 0)
return;
@ -279,22 +291,25 @@ SMF::append_event_unlocked(uint32_t delta_t, const Evoral::Event& ev)
_empty = false;
}
template<typename T>
void
SMF::begin_write(FrameTime start_frame)
SMF<T>::begin_write(FrameTime start_frame)
{
_last_ev_time = 0;
fseek(_fd, _header_size, SEEK_SET);
}
template<typename T>
void
SMF::end_write()
SMF<T>::end_write()
{
flush_header();
flush_footer();
}
template<typename T>
void
SMF::write_chunk_header(const char id[4], uint32_t length)
SMF<T>::write_chunk_header(const char id[4], uint32_t length)
{
const uint32_t length_be = GUINT32_TO_BE(length);
@ -302,8 +317,9 @@ SMF::write_chunk_header(const char id[4], uint32_t length)
fwrite(&length_be, 4, 1, _fd);
}
template<typename T>
void
SMF::write_chunk(const char id[4], uint32_t length, void* data)
SMF<T>::write_chunk(const char id[4], uint32_t length, void* data)
{
write_chunk_header(id, length);
@ -311,8 +327,9 @@ SMF::write_chunk(const char id[4], uint32_t length, void* data)
}
/** Returns the size (in bytes) of the value written. */
template<typename T>
size_t
SMF::write_var_len(uint32_t value)
SMF<T>::write_var_len(uint32_t value)
{
size_t ret = 0;
@ -336,4 +353,6 @@ SMF::write_var_len(uint32_t value)
return ret;
}
template class SMF<double>;
} // namespace Evoral