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Removed alsamidi.

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Relintai 2023-12-16 00:33:39 +01:00
parent 6b8ce87474
commit f39995e3b9
7 changed files with 2 additions and 381 deletions
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6
drivers/alsamidi/SCsub
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@ -1,6 +0,0 @@
#!/usr/bin/env python
Import("env")
# Driver source files
env.add_source_files(env.drivers_sources, "*.cpp")

253
drivers/alsamidi/midi_driver_alsamidi.cpp
View File

@ -1,253 +0,0 @@
/*************************************************************************/
/* midi_driver_alsamidi.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifdef ALSAMIDI_ENABLED
#include "midi_driver_alsamidi.h"
#include "core/os/os.h"
#include "core/string/print_string.h"
#include <errno.h>
MIDIDriverALSAMidi::MessageCategory MIDIDriverALSAMidi::msg_category(uint8_t msg_part) {
if (msg_part >= 0xf8) {
return MessageCategory::RealTime;
} else if (msg_part >= 0xf0) {
// System Exclusive begin/end are specified as System Common Category messages,
// but we separate them here and give them their own categories as their
// behaviour is significantly different.
if (msg_part == 0xf0) {
return MessageCategory::SysExBegin;
} else if (msg_part == 0xf7) {
return MessageCategory::SysExEnd;
}
return MessageCategory::SystemCommon;
} else if (msg_part >= 0x80) {
return MessageCategory::Voice;
}
return MessageCategory::Data;
}
size_t MIDIDriverALSAMidi::msg_expected_data(uint8_t status_byte) {
if (msg_category(status_byte) == MessageCategory::Voice) {
// Voice messages have a channel number in the status byte, mask it out.
status_byte &= 0xf0;
}
switch (status_byte) {
case 0x80: // Note Off
case 0x90: // Note On
case 0xA0: // Polyphonic Key Pressure (Aftertouch)
case 0xB0: // Control Change (CC)
case 0xE0: // Pitch Bend Change
case 0xF2: // Song Position Pointer
return 2;
case 0xC0: // Program Change
case 0xD0: // Channel Pressure (Aftertouch)
case 0xF1: // MIDI Time Code Quarter Frame
case 0xF3: // Song Select
return 1;
}
return 0;
}
void MIDIDriverALSAMidi::InputConnection::parse_byte(uint8_t byte, MIDIDriverALSAMidi &driver,
uint64_t timestamp) {
switch (msg_category(byte)) {
case MessageCategory::RealTime:
// Real-Time messages are single byte messages that can
// occur at any point.
// We pass them straight through.
driver.receive_input_packet(timestamp, &byte, 1);
break;
case MessageCategory::Data:
// We don't currently forward System Exclusive messages so skip their data.
// Collect any expected data for other message types.
if (!skipping_sys_ex && expected_data > received_data) {
buffer[received_data + 1] = byte;
received_data++;
// Forward a complete message and reset relevant state.
if (received_data == expected_data) {
driver.receive_input_packet(timestamp, buffer, received_data + 1);
received_data = 0;
if (msg_category(buffer[0]) != MessageCategory::Voice) {
// Voice Category messages can be sent with "running status".
// This means they don't resend the status byte until it changes.
// For other categories, we reset expected data, to require a new status byte.
expected_data = 0;
}
}
}
break;
case MessageCategory::SysExBegin:
buffer[0] = byte;
skipping_sys_ex = true;
break;
case MessageCategory::SysExEnd:
expected_data = 0;
skipping_sys_ex = false;
break;
case MessageCategory::Voice:
case MessageCategory::SystemCommon:
buffer[0] = byte;
received_data = 0;
expected_data = msg_expected_data(byte);
skipping_sys_ex = false;
if (expected_data == 0) {
driver.receive_input_packet(timestamp, &byte, 1);
}
break;
}
}
int MIDIDriverALSAMidi::InputConnection::read_in(MIDIDriverALSAMidi &driver, uint64_t timestamp) {
int ret;
do {
uint8_t byte = 0;
ret = snd_rawmidi_read(rawmidi_ptr, &byte, 1);
if (ret < 0) {
if (ret != -EAGAIN) {
ERR_PRINT("snd_rawmidi_read error: " + String(snd_strerror(ret)));
}
} else {
parse_byte(byte, driver, timestamp);
}
} while (ret > 0);
return ret;
}
void MIDIDriverALSAMidi::thread_func(void *p_udata) {
MIDIDriverALSAMidi *md = (MIDIDriverALSAMidi *)p_udata;
uint64_t timestamp = 0;
while (!md->exit_thread.is_set()) {
md->lock();
InputConnection *connections = md->connected_inputs.ptrw();
size_t connection_count = md->connected_inputs.size();
for (size_t i = 0; i < connection_count; i++) {
connections[i].read_in(*md, timestamp);
}
md->unlock();
OS::get_singleton()->delay_usec(1000);
}
}
Error MIDIDriverALSAMidi::open() {
void **hints;
if (snd_device_name_hint(-1, "rawmidi", &hints) < 0) {
return ERR_CANT_OPEN;
}
int i = 0;
for (void **n = hints; *n != nullptr; n++) {
char *name = snd_device_name_get_hint(*n, "NAME");
if (name != nullptr) {
snd_rawmidi_t *midi_in;
int ret = snd_rawmidi_open(&midi_in, nullptr, name, SND_RAWMIDI_NONBLOCK);
if (ret >= 0) {
connected_inputs.insert(i++, InputConnection(midi_in));
}
}
if (name != nullptr) {
free(name);
}
}
snd_device_name_free_hint(hints);
exit_thread.clear();
thread.start(MIDIDriverALSAMidi::thread_func, this);
return OK;
}
void MIDIDriverALSAMidi::close() {
exit_thread.set();
thread.wait_to_finish();
for (int i = 0; i < connected_inputs.size(); i++) {
snd_rawmidi_t *midi_in = connected_inputs[i].rawmidi_ptr;
snd_rawmidi_close(midi_in);
}
connected_inputs.clear();
}
void MIDIDriverALSAMidi::lock() const {
mutex.lock();
}
void MIDIDriverALSAMidi::unlock() const {
mutex.unlock();
}
PoolStringArray MIDIDriverALSAMidi::get_connected_inputs() {
PoolStringArray list;
lock();
for (int i = 0; i < connected_inputs.size(); i++) {
snd_rawmidi_t *midi_in = connected_inputs[i].rawmidi_ptr;
snd_rawmidi_info_t *info;
snd_rawmidi_info_malloc(&info);
snd_rawmidi_info(midi_in, info);
list.push_back(snd_rawmidi_info_get_name(info));
snd_rawmidi_info_free(info);
}
unlock();
return list;
}
MIDIDriverALSAMidi::MIDIDriverALSAMidi() {
exit_thread.clear();
}
MIDIDriverALSAMidi::~MIDIDriverALSAMidi() {
close();
}
#endif // ALSAMIDI_ENABLED

105
drivers/alsamidi/midi_driver_alsamidi.h
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@ -1,105 +0,0 @@
#ifndef MIDI_DRIVER_ALSAMIDI_H
#define MIDI_DRIVER_ALSAMIDI_H
/*************************************************************************/
/* midi_driver_alsamidi.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifdef ALSAMIDI_ENABLED
#include "core/os/midi_driver.h"
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/os/safe_refcount.h"
#include "core/containers/vector.h"
#include "../alsa/asound-so_wrap.h"
#include <stdio.h>
class MIDIDriverALSAMidi : public MIDIDriver {
Thread thread;
Mutex mutex;
class InputConnection {
public:
InputConnection() = default;
InputConnection(snd_rawmidi_t *midi_in) :
rawmidi_ptr{ midi_in } {}
// Read in and parse available data, forwarding any complete messages through the driver.
int read_in(MIDIDriverALSAMidi &driver, uint64_t timestamp);
snd_rawmidi_t *rawmidi_ptr = nullptr;
private:
static const size_t MSG_BUFFER_SIZE = 3;
uint8_t buffer[MSG_BUFFER_SIZE] = { 0 };
size_t expected_data = 0;
size_t received_data = 0;
bool skipping_sys_ex = false;
void parse_byte(uint8_t byte, MIDIDriverALSAMidi &driver, uint64_t timestamp);
};
Vector<InputConnection> connected_inputs;
SafeFlag exit_thread;
static void thread_func(void *p_udata);
enum class MessageCategory {
Data,
Voice,
SysExBegin,
SystemCommon, // excluding System Exclusive Begin/End
SysExEnd,
RealTime,
};
// If the passed byte is a status byte, return the associated message category,
// else return MessageCategory::Data.
static MessageCategory msg_category(uint8_t msg_part);
// Return the number of data bytes expected for the provided status byte.
static size_t msg_expected_data(uint8_t status_byte);
void lock() const;
void unlock() const;
public:
virtual Error open();
virtual void close();
virtual PoolStringArray get_connected_inputs();
MIDIDriverALSAMidi();
virtual ~MIDIDriverALSAMidi();
};
#endif // ALSAMIDI_ENABLED
#endif // MIDI_DRIVER_ALSAMIDI_H

9
drivers/pulseaudio/audio_driver_pulseaudio.cpp
View File

@ -36,10 +36,6 @@
#include "core/config/project_settings.h"
#include "core/version.h"
#ifdef ALSAMIDI_ENABLED
#include "drivers/alsa/asound-so_wrap.h"
#endif
void AudioDriverPulseAudio::pa_state_cb(pa_context *c, void *userdata) {
AudioDriverPulseAudio *ad = (AudioDriverPulseAudio *)userdata;
@ -277,10 +273,7 @@ Error AudioDriverPulseAudio::init() {
#else
int dylibloader_verbose = 0;
#endif
#ifdef ALSAMIDI_ENABLED
// If using PulseAudio with ALSA MIDI, we need to initialize ALSA as well
initialize_asound(dylibloader_verbose);
#endif
if (initialize_pulse(dylibloader_verbose)) {
return ERR_CANT_OPEN;
}

2
platform/x11/detect.py
View File

@ -338,7 +338,7 @@ def configure(env):
if os.system("pkg-config --exists alsa") == 0: # 0 means found
env["alsa"] = True
env.Append(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_ENABLED"])
env.Append(CPPDEFINES=["ALSA_ENABLED"])
env.ParseConfig("pkg-config alsa --cflags") # Only cflags, we dlopen the library.
else:
print("Warning: ALSA libraries not found. Disabling the ALSA audio driver.")

3
platform/x11/os_x11.cpp
View File

@ -821,9 +821,6 @@ void OS_X11::finalize() {
memdelete(debugger_connection_console);
}
*/
#ifdef ALSAMIDI_ENABLED
driver_alsamidi.close();
#endif
#ifdef JOYDEV_ENABLED
memdelete(joypad);

5
platform/x11/os_x11.h
View File

@ -35,7 +35,6 @@
#include "core/input/input.h"
#include "crash_handler_x11.h"
#include "drivers/alsa/audio_driver_alsa.h"
#include "drivers/alsamidi/midi_driver_alsamidi.h"
#include "drivers/pulseaudio/audio_driver_pulseaudio.h"
#include "drivers/unix/os_unix.h"
#include "joypad_linux.h"
@ -205,10 +204,6 @@ class OS_X11 : public OS_Unix {
AudioDriverALSA driver_alsa;
#endif
#ifdef ALSAMIDI_ENABLED
MIDIDriverALSAMidi driver_alsamidi;
#endif
#ifdef PULSEAUDIO_ENABLED
AudioDriverPulseAudio driver_pulseaudio;
#endif