Rabbit-R1/android (non root)/java/sources/androidx/media3/exoplayer/video/spherical/Projection.java
2024-05-21 17:08:36 -04:00

209 lines
6.9 KiB
Java

package androidx.media3.exoplayer.video.spherical;
import androidx.media3.common.util.Assertions;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/* loaded from: classes2.dex */
final class Projection {
public static final int DRAW_MODE_TRIANGLES = 0;
public static final int DRAW_MODE_TRIANGLES_FAN = 2;
public static final int DRAW_MODE_TRIANGLES_STRIP = 1;
public static final int POSITION_COORDS_PER_VERTEX = 3;
public static final int TEXTURE_COORDS_PER_VERTEX = 2;
public final Mesh leftMesh;
public final Mesh rightMesh;
public final boolean singleMesh;
public final int stereoMode;
@Target({ElementType.TYPE_USE})
@Documented
@Retention(RetentionPolicy.SOURCE)
/* loaded from: classes2.dex */
public @interface DrawMode {
}
public static Projection createEquirectangular(int i) {
return createEquirectangular(50.0f, 36, 72, 180.0f, 360.0f, i);
}
public static Projection createEquirectangular(float f, int i, int i2, float f2, float f3, int i3) {
int i4;
float f4;
int i5;
int i6;
int i7;
float[] fArr;
int i8;
int i9 = i;
int i10 = i2;
Assertions.checkArgument(f > 0.0f);
Assertions.checkArgument(i9 >= 1);
Assertions.checkArgument(i10 >= 1);
Assertions.checkArgument(f2 > 0.0f && f2 <= 180.0f);
Assertions.checkArgument(f3 > 0.0f && f3 <= 360.0f);
float radians = (float) Math.toRadians(f2);
float radians2 = (float) Math.toRadians(f3);
float f5 = radians / i9;
float f6 = radians2 / i10;
int i11 = i10 + 1;
int i12 = ((i11 * 2) + 2) * i9;
float[] fArr2 = new float[i12 * 3];
float[] fArr3 = new float[i12 * 2];
int i13 = 0;
int i14 = 0;
int i15 = 0;
while (i13 < i9) {
float f7 = radians / 2.0f;
float f8 = (i13 * f5) - f7;
int i16 = i13 + 1;
float f9 = (i16 * f5) - f7;
int i17 = 0;
while (i17 < i11) {
float f10 = f8;
int i18 = i16;
int i19 = 0;
int i20 = 2;
while (i19 < i20) {
if (i19 == 0) {
f4 = f10;
i4 = i11;
} else {
i4 = i11;
f4 = f9;
}
float f11 = i17 * f6;
float f12 = f6;
int i21 = i17;
double d = f;
float f13 = f5;
double d2 = (f11 + 3.1415927f) - (radians2 / 2.0f);
int i22 = i19;
double d3 = f4;
float[] fArr4 = fArr3;
float f14 = f9;
fArr2[i14] = -((float) (Math.sin(d2) * d * Math.cos(d3)));
float f15 = radians;
float f16 = radians2;
fArr2[i14 + 1] = (float) (d * Math.sin(d3));
int i23 = i14 + 3;
fArr2[i14 + 2] = (float) (d * Math.cos(d2) * Math.cos(d3));
fArr4[i15] = f11 / f16;
int i24 = i15 + 2;
fArr4[i15 + 1] = ((i13 + i22) * f13) / f15;
if (i21 == 0 && i22 == 0) {
i5 = i2;
i6 = i21;
i7 = i22;
} else {
i5 = i2;
i6 = i21;
i7 = i22;
if (i6 != i5 || i7 != 1) {
fArr = fArr4;
i8 = 2;
i15 = i24;
i14 = i23;
int i25 = i7 + 1;
fArr3 = fArr;
i20 = i8;
radians = f15;
i11 = i4;
f6 = f12;
f5 = f13;
f9 = f14;
i19 = i25;
i10 = i5;
i17 = i6;
radians2 = f16;
}
}
System.arraycopy(fArr2, i14, fArr2, i23, 3);
i14 += 6;
fArr = fArr4;
i8 = 2;
System.arraycopy(fArr, i15, fArr, i24, 2);
i15 += 4;
int i252 = i7 + 1;
fArr3 = fArr;
i20 = i8;
radians = f15;
i11 = i4;
f6 = f12;
f5 = f13;
f9 = f14;
i19 = i252;
i10 = i5;
i17 = i6;
radians2 = f16;
}
float f17 = radians2;
int i26 = i17;
int i27 = i10;
int i28 = i26 + 1;
f8 = f10;
i16 = i18;
f6 = f6;
radians2 = f17;
f9 = f9;
i10 = i27;
i17 = i28;
}
i9 = i;
i13 = i16;
}
return new Projection(new Mesh(new SubMesh(0, fArr2, fArr3, 1)), i3);
}
public Projection(Mesh mesh, int i) {
this(mesh, mesh, i);
}
public Projection(Mesh mesh, Mesh mesh2, int i) {
this.leftMesh = mesh;
this.rightMesh = mesh2;
this.stereoMode = i;
this.singleMesh = mesh == mesh2;
}
/* loaded from: classes2.dex */
public static final class SubMesh {
public static final int VIDEO_TEXTURE_ID = 0;
public final int mode;
public final float[] textureCoords;
public final int textureId;
public final float[] vertices;
public SubMesh(int i, float[] fArr, float[] fArr2, int i2) {
this.textureId = i;
Assertions.checkArgument(((long) fArr.length) * 2 == ((long) fArr2.length) * 3);
this.vertices = fArr;
this.textureCoords = fArr2;
this.mode = i2;
}
public int getVertexCount() {
return this.vertices.length / 3;
}
}
/* loaded from: classes2.dex */
public static final class Mesh {
private final SubMesh[] subMeshes;
public Mesh(SubMesh... subMeshArr) {
this.subMeshes = subMeshArr;
}
public int getSubMeshCount() {
return this.subMeshes.length;
}
public SubMesh getSubMesh(int i) {
return this.subMeshes[i];
}
}
}