[BC] Upgraded dependencies, dropped support for anything below PHP 8.0. (#849)

* GitHub actions + style fixes + updated packages

* Fixed workflows dir

* Support for PHP 8.1 (#1)

* Update README.md

* Revert some changes from upstream

tests/FFMpeg/Unit/Format/Audio/AacTest.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\Aac;
+
+class AacTest extends AudioTestCase
+{
+    public function getFormat()
+    {
+        return new Aac();
+    }
+}

tests/FFMpeg/Unit/Format/Audio/AudioTestCase.php

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+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\DefaultAudio;
+use Tests\FFMpeg\Unit\TestCase;
+
+abstract class AudioTestCase extends TestCase
+{
+    public function testExtraParams()
+    {
+        $extraParams = $this->getFormat()->getExtraParams();
+
+        $this->assertIsArray($extraParams);
+
+        foreach ($extraParams as $param) {
+            $this->assertScalar($param);
+        }
+    }
+
+    public function testGetAudioCodec()
+    {
+        $this->assertScalar($this->getFormat()->getAudioCodec());
+        $this->assertContains($this->getFormat()->getAudioCodec(), $this->getFormat()->getAvailableAudioCodecs());
+    }
+
+    public function testSetAudioCodec()
+    {
+        $format = $this->getFormat();
+
+        foreach ($format->getAvailableAudioCodecs() as $codec) {
+            $format->setAudioCodec($codec);
+            $this->assertEquals($codec, $format->getAudioCodec());
+        }
+    }
+
+    public function testSetInvalidAudioCodec()
+    {
+        $this->expectException('\FFMpeg\Exception\InvalidArgumentException');
+        $this->getFormat()->setAudioCodec('invalid-random-audio-codec');
+    }
+
+    public function testGetAvailableAudioCodecs()
+    {
+        $this->assertGreaterThan(0, count($this->getFormat()->getAvailableAudioCodecs()));
+    }
+
+    public function testGetAudioKiloBitrate()
+    {
+        $this->assertIsInt($this->getFormat()->getAudioKiloBitrate());
+    }
+
+    public function testSetAudioKiloBitrate()
+    {
+        $format = $this->getFormat();
+        $format->setAudioKiloBitrate(256);
+        $this->assertEquals(256, $format->getAudioKiloBitrate());
+    }
+
+    public function testSetInvalidKiloBitrate()
+    {
+        $this->expectException('\FFMpeg\Exception\InvalidArgumentException');
+        $this->getFormat()->setAudioKiloBitrate(0);
+    }
+
+    public function testSetNegativeKiloBitrate()
+    {
+        $this->expectException('\FFMpeg\Exception\InvalidArgumentException');
+        $this->getFormat()->setAudioKiloBitrate(-10);
+    }
+
+    public function testGetAudioChannels()
+    {
+        $this->assertNull($this->getFormat()->getAudioChannels());
+    }
+
+    public function testSetAudioChannels()
+    {
+        $format = $this->getFormat();
+        $format->setAudioChannels(2);
+        $this->assertEquals(2, $format->getAudioChannels());
+    }
+
+    public function testSetInvalidChannels()
+    {
+        $this->expectException('\FFMpeg\Exception\InvalidArgumentException');
+        $this->getFormat()->setAudioChannels(0);
+    }
+
+    public function testSetNegativeChannels()
+    {
+        $this->expectException('\FFMpeg\Exception\InvalidArgumentException');
+        $this->getFormat()->setAudioChannels(-10);
+    }
+
+    public function testCreateProgressListener()
+    {
+        $media = $this->getMockBuilder('FFMpeg\Media\MediaTypeInterface')->getMock();
+        $media->expects($this->any())
+            ->method('getPathfile')
+            ->will($this->returnValue(__FILE__));
+        $format = $this->getFormat();
+        $ffprobe = $this->getFFProbeMock();
+
+        foreach ($format->createProgressListener($media, $ffprobe, 1, 3) as $listener) {
+            $this->assertInstanceOf('FFMpeg\Format\ProgressListener\AudioProgressListener', $listener);
+            $this->assertSame($ffprobe, $listener->getFFProbe());
+            $this->assertSame(__FILE__, $listener->getPathfile());
+            $this->assertSame(1, $listener->getCurrentPass());
+            $this->assertSame(3, $listener->getTotalPass());
+        }
+    }
+
+    /**
+     * @return DefaultAudio
+     */
+    abstract public function getFormat();
+}

tests/FFMpeg/Unit/Format/Audio/FlacTest.php

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+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\Flac;
+
+class FlacTest extends AudioTestCase
+{
+    public function getFormat()
+    {
+        return new Flac();
+    }
+}

tests/FFMpeg/Unit/Format/Audio/Mp3Test.php

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+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\Mp3;
+
+class Mp3Test extends AudioTestCase
+{
+    public function getFormat()
+    {
+        return new Mp3();
+    }
+}

tests/FFMpeg/Unit/Format/Audio/VorbisTest.php

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+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\Vorbis;
+
+class VorbisTest extends AudioTestCase
+{
+    public function getFormat()
+    {
+        return new Vorbis();
+    }
+}

tests/FFMpeg/Unit/Format/Audio/WavTest.php

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+<?php
+
+namespace Tests\FFMpeg\Unit\Format\Audio;
+
+use FFMpeg\Format\Audio\Wav;
+
+class WavTest extends AudioTestCase
+{
+    public function getFormat()
+    {
+        return new Wav();
+    }
+}