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authorDavid Robillard <d@drobilla.net>2007-08-02 07:23:56 +0000
committerDavid Robillard <d@drobilla.net>2007-08-02 07:23:56 +0000
commit191b78d09365112a868ddaf3f813ef2b5bc2c252 (patch)
tree48000d7f46c7b7102f1e8f013b72eccd41418abe /src/libs
parenta8ea9db4af11208293543f50392127819c8007cd (diff)
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Implement MIDI copying, fixes MIDI patching from patch input -> patch output (fix ticket 70).
git-svn-id: http://svn.drobilla.net/lad/ingen@670 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs')
-rw-r--r--src/libs/engine/AudioBuffer.cpp5
-rw-r--r--src/libs/engine/AudioBuffer.hpp4
-rw-r--r--src/libs/engine/Buffer.hpp4
-rw-r--r--src/libs/engine/InputPort.cpp33
-rw-r--r--src/libs/engine/MidiBuffer.cpp17
-rw-r--r--src/libs/engine/MidiBuffer.hpp10
-rw-r--r--src/libs/engine/OSCBuffer.cpp9
-rw-r--r--src/libs/engine/OSCBuffer.hpp4
8 files changed, 65 insertions, 21 deletions
diff --git a/src/libs/engine/AudioBuffer.cpp b/src/libs/engine/AudioBuffer.cpp
index f05048ad..53fe6bb8 100644
--- a/src/libs/engine/AudioBuffer.cpp
+++ b/src/libs/engine/AudioBuffer.cpp
@@ -182,16 +182,17 @@ AudioBuffer::scale(Sample val, size_t start_sample, size_t end_sample)
* This function only copies the same range in one buffer to another.
*/
void
-AudioBuffer::copy(const AudioBuffer* src, size_t start_sample, size_t end_sample)
+AudioBuffer::copy(const Buffer* src, size_t start_sample, size_t end_sample)
{
assert(end_sample >= start_sample);
assert(end_sample < _size);
assert(src);
+ assert(src->type() == DataType::FLOAT);
Sample* const buf = data();
assert(buf);
- const Sample* const src_buf = src->data();
+ const Sample* const src_buf = ((AudioBuffer*)src)->data();
assert(src_buf);
for (size_t i=start_sample; i <= end_sample; ++i)
diff --git a/src/libs/engine/AudioBuffer.hpp b/src/libs/engine/AudioBuffer.hpp
index ee277313..d0644d27 100644
--- a/src/libs/engine/AudioBuffer.hpp
+++ b/src/libs/engine/AudioBuffer.hpp
@@ -36,7 +36,7 @@ public:
void set(Sample val, size_t start_sample);
void set(Sample val, size_t start_sample, size_t end_sample);
void scale(Sample val, size_t start_sample, size_t end_sample);
- void copy(const AudioBuffer* src, size_t start_sample, size_t end_sample);
+ void copy(const Buffer* src, size_t start_sample, size_t end_sample);
void accumulate(const AudioBuffer* src, size_t start_sample, size_t end_sample);
bool join(Buffer* buf);
@@ -55,7 +55,7 @@ public:
void prepare_read(SampleCount nframes);
void prepare_write(SampleCount nframes) {}
- void reset(SampleCount nframes) {}
+ void reset(SampleCount nframes) const {}
void resize(size_t size);
void filled_size(size_t size) { _filled_size = size; }
diff --git a/src/libs/engine/Buffer.hpp b/src/libs/engine/Buffer.hpp
index d4b52465..b3f7fe3c 100644
--- a/src/libs/engine/Buffer.hpp
+++ b/src/libs/engine/Buffer.hpp
@@ -41,7 +41,7 @@ public:
virtual void clear() = 0;
/** Reset state (ie reset read ptr), but leave contents */
- virtual void reset(SampleCount nframes) = 0;
+ virtual void reset(SampleCount nframes) const = 0;
virtual void prepare_read(SampleCount nframes) = 0;
virtual void prepare_write(SampleCount nframes) = 0;
@@ -49,6 +49,8 @@ public:
virtual bool is_joined_to(Buffer* buf) const = 0;
virtual bool join(Buffer* buf) = 0;
virtual void unjoin() = 0;
+
+ virtual void copy(const Buffer* src, size_t start_sample, size_t end_sample) = 0;
virtual void resize(size_t size) { _size = size; }
diff --git a/src/libs/engine/InputPort.cpp b/src/libs/engine/InputPort.cpp
index 3b853edd..1580dc81 100644
--- a/src/libs/engine/InputPort.cpp
+++ b/src/libs/engine/InputPort.cpp
@@ -191,21 +191,32 @@ InputPort::pre_process(SampleCount nframes, FrameTime start, FrameTime end)
/*assert(!_is_tied || _tied_port != NULL);
assert(!_is_tied || _buffers.at(0)->data() == _tied_port->buffer(0)->data());*/
- for (uint32_t voice=0; voice < _poly; ++voice) {
- assert(_type == DataType::FLOAT);
- // Copy first connection
- ((AudioBuffer*)_buffers.at(voice))->copy(
- ((AudioBuffer*)(*_connections.begin())->buffer(voice)), 0, _buffer_size-1);
-
- // Accumulate the rest
- if (_connections.size() > 1) {
+ if (_type == DataType::FLOAT) {
+ for (uint32_t voice=0; voice < _poly; ++voice) {
+ // Copy first connection
+ _buffers.at(voice)->copy(
+ (*_connections.begin())->buffer(voice), 0, _buffer_size-1);
- Connections::iterator c = _connections.begin();
+ // Accumulate the rest
+ if (_connections.size() > 1) {
- for (++c; c != _connections.end(); ++c)
- ((AudioBuffer*)_buffers.at(voice))->accumulate(
+ Connections::iterator c = _connections.begin();
+
+ for (++c; c != _connections.end(); ++c)
+ ((AudioBuffer*)_buffers.at(voice))->accumulate(
((AudioBuffer*)(*c)->buffer(voice)), 0, _buffer_size-1);
+ }
}
+ } else {
+ assert(_poly == 1);
+
+ // FIXME
+ //if (_connections.size() > 1)
+ // cerr << "WARNING: MIDI mixing not implemented, only first connection used." << endl;
+
+ // Copy first connection
+ _buffers.at(0)->copy(
+ (*_connections.begin())->buffer(0), 0, _buffer_size-1);
}
}
diff --git a/src/libs/engine/MidiBuffer.cpp b/src/libs/engine/MidiBuffer.cpp
index f2741dfb..4d515f2e 100644
--- a/src/libs/engine/MidiBuffer.cpp
+++ b/src/libs/engine/MidiBuffer.cpp
@@ -100,6 +100,23 @@ MidiBuffer::prepare_write(SampleCount nframes)
assert(!_joined_buf || data() == _joined_buf->data());
}
+
+/** FIXME: parameters ignored */
+void
+MidiBuffer::copy(const Buffer* src_buf, size_t start_sample, size_t end_sample)
+{
+ MidiBuffer* src = (MidiBuffer*)src_buf;
+ clear();
+ src->reset(_this_nframes);
+ const uint32_t frame_count = min(_this_nframes, src->this_nframes());
+ double time;
+ uint32_t size;
+ unsigned char* data;
+ while (src->increment() < frame_count) {
+ src->get_event(&time, &size, &data);
+ put_event(time, size, data);
+ }
+}
} // namespace Ingen
diff --git a/src/libs/engine/MidiBuffer.hpp b/src/libs/engine/MidiBuffer.hpp
index bf1eacac..dbccd4e8 100644
--- a/src/libs/engine/MidiBuffer.hpp
+++ b/src/libs/engine/MidiBuffer.hpp
@@ -40,6 +40,8 @@ public:
uint32_t this_nframes() const { return _this_nframes; }
+ void copy(const Buffer* src, size_t start_sample, size_t end_sample);
+
inline LV2_MIDI* data()
{ return ((_joined_buf != NULL) ? _joined_buf->data() : _state->midi); }
@@ -49,13 +51,13 @@ public:
inline void clear()
{ assert(_state); assert(_state->midi); lv2midi_reset_buffer(_state->midi); _state->position = 0; }
- inline void reset(SampleCount nframes)
+ inline void reset(SampleCount nframes) const
{ assert(_state); assert(_state->midi); lv2midi_reset_state(_state, _state->midi, nframes); _this_nframes = nframes; }
- inline double increment()
+ inline double increment() const
{ assert(_state); assert(_state->midi); return lv2midi_step(_state); }
- inline double get_event(double* timestamp, uint32_t* size, unsigned char** data)
+ inline double get_event(double* timestamp, uint32_t* size, unsigned char** data) const
{ assert(_state); assert(_state->midi); return lv2midi_get_event(_state, timestamp, size, data); }
inline int put_event(double timestamp, uint32_t size, const unsigned char* data)
@@ -68,7 +70,7 @@ private:
MidiBuffer* _joined_buf; ///< Buffer to mirror, if joined
- uint32_t _this_nframes;
+ mutable uint32_t _this_nframes;
};
diff --git a/src/libs/engine/OSCBuffer.cpp b/src/libs/engine/OSCBuffer.cpp
index b4452c13..a5f8f3ff 100644
--- a/src/libs/engine/OSCBuffer.cpp
+++ b/src/libs/engine/OSCBuffer.cpp
@@ -104,4 +104,13 @@ OSCBuffer::prepare_write(SampleCount nframes)
}
+void
+OSCBuffer::copy(const Buffer* src, size_t start_sample, size_t end_sample)
+{
+ // FIXME
+ //cerr << "WARNING: OSC buffer copying not implemented, data dropped." << endl;
+}
+
+
+
} // namespace Ingen
diff --git a/src/libs/engine/OSCBuffer.hpp b/src/libs/engine/OSCBuffer.hpp
index 1e7e048a..dc529d30 100644
--- a/src/libs/engine/OSCBuffer.hpp
+++ b/src/libs/engine/OSCBuffer.hpp
@@ -32,7 +32,7 @@ public:
~OSCBuffer() { }
void clear() { lv2_osc_buffer_clear(_buf); }
- void reset(SampleCount nframs) {}
+ void reset(SampleCount nframs) const {}
void prepare_read(SampleCount nframes);
void prepare_write(SampleCount nframes);
@@ -40,6 +40,8 @@ public:
bool is_joined_to(Buffer* buf) const;
bool join(Buffer* buf);
void unjoin();
+
+ void copy(const Buffer* src, size_t start_sample, size_t end_sample);
uint32_t this_nframes() const { return _this_nframes; }