Added Classer + now logs returns a Classer + tests are now done in astiav package

class_test.go

@@ -0,0 +1,63 @@
+package astiav
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+	"unsafe"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestClass(t *testing.T) {
+	c := FindDecoder(CodecIDMjpeg)
+	require.NotNil(t, c)
+	cc := AllocCodecContext(c)
+	require.NotNil(t, cc)
+	defer cc.Free()
+
+	cl := cc.Class()
+	require.NotNil(t, cl)
+	require.Equal(t, ClassCategoryDecoder, cl.Category())
+	require.Equal(t, "mjpeg", cl.ItemName())
+	require.Equal(t, "AVCodecContext", cl.Name())
+	require.Equal(t, fmt.Sprintf("mjpeg [AVCodecContext] @ %p", cc.c), cl.String())
+	// TODO Test parent
+}
+
+func TestClassers(t *testing.T) {
+	cl := len(classers.p)
+	f := AllocFilterGraph()
+	c := FindDecoder(CodecIDMjpeg)
+	require.NotNil(t, c)
+	cc := AllocCodecContext(c)
+	require.NotNil(t, cc)
+	bufferSink := FindFilterByName("buffersink")
+	require.NotNil(t, bufferSink)
+	fc, err := f.NewFilterContext(bufferSink, "filter_out", nil)
+	require.NoError(t, err)
+	fmc1 := AllocFormatContext()
+	fmc2 := AllocFormatContext()
+	require.NoError(t, fmc2.OpenInput("testdata/video.mp4", nil, nil))
+	path := filepath.Join(t.TempDir(), "iocontext.txt")
+	ic, err := OpenIOContext(path, NewIOContextFlags(IOContextFlagWrite))
+	require.NoError(t, err)
+	defer os.RemoveAll(path)
+	ssc, err := CreateSoftwareScaleContext(1, 1, PixelFormatRgba, 2, 2, PixelFormatRgba, NewSoftwareScaleContextFlags())
+	require.NoError(t, err)
+
+	require.Equal(t, cl+8, len(classers.p))
+	v, ok := classers.get(unsafe.Pointer(f.c))
+	require.True(t, ok)
+	require.Equal(t, f, v)
+
+	cc.Free()
+	fc.Free()
+	f.Free()
+	fmc1.Free()
+	fmc2.CloseInput()
+	require.NoError(t, ic.Closep())
+	ssc.Free()
+	require.Equal(t, cl, len(classers.p))
+}