diff options
author | David Robillard <d@drobilla.net> | 2008-12-27 18:39:11 +0000 |
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committer | David Robillard <d@drobilla.net> | 2008-12-27 18:39:11 +0000 |
commit | 487de9741b431cd766b2a7c80796c013f49a49f5 (patch) | |
tree | 3e6a0b989116dafcff8bac4fdcf9e9541360ae68 /libs/ardour/ardour/midi_ring_buffer.h | |
parent | 51538364ec1b6d0859252abf65f58a364e39266c (diff) |
Move MidiRingBuffer::read into .cc file to avoid the 2 hour dev cycle (no functional changes).
git-svn-id: svn://localhost/ardour2/branches/3.0@4352 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/ardour/midi_ring_buffer.h')
-rw-r--r-- | libs/ardour/ardour/midi_ring_buffer.h | 109 |
1 files changed, 4 insertions, 105 deletions
diff --git a/libs/ardour/ardour/midi_ring_buffer.h b/libs/ardour/ardour/midi_ring_buffer.h index ba271df615..ec489ee5b6 100644 --- a/libs/ardour/ardour/midi_ring_buffer.h +++ b/libs/ardour/ardour/midi_ring_buffer.h @@ -21,14 +21,13 @@ #include <iostream> #include <algorithm> -#include <ardour/types.h> -#include <ardour/buffer.h> -#include <ardour/event_type_map.h> -#include <evoral/EventSink.hpp> -#include <evoral/EventRingBuffer.hpp> +#include "ardour/types.h" +#include "ardour/buffer.h" +#include "evoral/EventRingBuffer.hpp" namespace ARDOUR { +class MidiBuffer; /** A RingBuffer for (MIDI) events. * @@ -110,106 +109,6 @@ MidiRingBuffer::read_contents(uint32_t size, uint8_t* buf) } -/** Read a block of MIDI events from buffer. - * - * Timestamps of events returned are relative to start (i.e. event with stamp 0 - * occurred at start), with offset added. - */ -inline size_t -MidiRingBuffer::read(MidiBuffer& dst, nframes_t start, nframes_t end, nframes_t offset) -{ - if (read_space() == 0) { - //std::cerr << "MRB: NO READ SPACE" << std::endl; - return 0; - } - - Evoral::EventTime ev_time; - Evoral::EventType ev_type; - uint32_t ev_size; - - size_t count = 0; - - //std::cerr << "MRB read " << start << " .. " << end << " + " << offset << std::endl; - - while (read_space() >= sizeof(Evoral::EventTime) + sizeof(Evoral::EventType) + sizeof(uint32_t)) { - - full_peek(sizeof(Evoral::EventTime), (uint8_t*)&ev_time); - - if (ev_time > end) { - //std::cerr << "MRB: PAST END (" << ev_time << " : " << end << ")" << std::endl; - break; - } else if (ev_time < start) { - //std::cerr << "MRB (start " << start << ") - Skipping event at (too early) time " << ev_time << std::endl; - break; - } - - bool success = read_prefix(&ev_time, &ev_type, &ev_size); - if (!success) { - std::cerr << "WARNING: error reading event prefix from MIDI ring" << std::endl; - continue; - } - - // This event marks a loop happening. this means that - // the next events timestamp will be non-monotonic. - if (ev_type == LoopEventType) { - ev_time -= start; - ev_time += offset; - Evoral::MIDIEvent loopevent(LoopEventType, ev_time); - dst.push_back(loopevent); - - - // We can safely return, without reading the data, because - // a LoopEvent does not have data. - return count + 1; - } - - uint8_t status; - success = full_peek(sizeof(uint8_t), &status); - assert(success); // If this failed, buffer is corrupt, all hope is lost - - // Ignore event if it doesn't match channel filter - if (is_channel_event(status) && get_channel_mode() == FilterChannels) { - const uint8_t channel = status & 0x0F; - if ( !(get_channel_mask() & (1L << channel)) ) { - //std::cerr << "MRB skipping event due to channel mask" << std::endl; - skip(ev_size); // Advance read pointer to next event - continue; - } - } - - //std::cerr << "MRB " << this << " - Reading event, time = " - // << ev_time << " - " << start << " => " << ev_time - start - // << ", size = " << ev_size << std::endl; - - assert(ev_time >= start); - ev_time -= start; - ev_time += offset; - - uint8_t* write_loc = dst.reserve(ev_time, ev_size); - if (write_loc == NULL) { - //std::cerr << "MRB: Unable to reserve space in buffer, event skipped"; - continue; - } - - success = Evoral::EventRingBuffer::full_read(ev_size, write_loc); - - if (success) { - if (is_channel_event(status) && get_channel_mode() == ForceChannel) { - write_loc[0] = (write_loc[0] & 0xF0) | (get_channel_mask() & 0x0F); - } - ++count; - //std::cerr << "MRB - read event at time " << ev_time << std::endl; - } else { - std::cerr << "WARNING: error reading event contents from MIDI ring" << std::endl; - } - } - - //std::cerr << "MTB read space: " << read_space() << std::endl; - - return count; -} - - } // namespace ARDOUR #endif // __ardour_midi_ring_buffer_h__ |