.class public final Lcom/google/android/exoplayer2/util/NalUnitUtil; .super Ljava/lang/Object; .source "NalUnitUtil.java" # annotations .annotation system Ldalvik/annotation/MemberClasses; value = { Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;, Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData; } .end annotation # static fields .field public static final ASPECT_RATIO_IDC_VALUES:[F .field public static final EXTENDED_SAR:I = 0xff .field private static final H264_NAL_UNIT_TYPE_SEI:I = 0x6 .field private static final H264_NAL_UNIT_TYPE_SPS:I = 0x7 .field private static final H265_NAL_UNIT_TYPE_PREFIX_SEI:I = 0x27 .field public static final NAL_START_CODE:[B .field private static final TAG:Ljava/lang/String; = "NalUnitUtil" .field private static scratchEscapePositions:[I .field private static final scratchEscapePositionsLock:Ljava/lang/Object; # direct methods .method public static constructor ()V .locals 1 const/4 v0, 0x4 new-array v0, v0, [B .line 1 fill-array-data v0, :array_0 sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->NAL_START_CODE:[B const/16 v0, 0x11 new-array v0, v0, [F .line 2 fill-array-data v0, :array_1 sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->ASPECT_RATIO_IDC_VALUES:[F .line 3 new-instance v0, Ljava/lang/Object; invoke-direct {v0}, Ljava/lang/Object;->()V sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositionsLock:Ljava/lang/Object; const/16 v0, 0xa new-array v0, v0, [I .line 4 sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I return-void nop :array_0 .array-data 1 0x0t 0x0t 0x0t 0x1t .end array-data :array_1 .array-data 4 0x3f800000 # 1.0f 0x3f800000 # 1.0f 0x3f8ba2e9 0x3f68ba2f 0x3fba2e8c 0x3f9b26ca 0x400ba2e9 0x3fe8ba2f 0x403a2e8c 0x401b26ca 0x3fd1745d 0x3fae8ba3 0x3ff83e10 0x3fcede62 0x3faaaaab 0x3fc00000 # 1.5f 0x40000000 # 2.0f .end array-data .end method .method private constructor ()V .locals 0 .line 1 invoke-direct {p0}, Ljava/lang/Object;->()V return-void .end method .method public static clearPrefixFlags([Z)V .locals 2 const/4 v0, 0x0 .line 1 aput-boolean v0, p0, v0 const/4 v1, 0x1 .line 2 aput-boolean v0, p0, v1 const/4 v1, 0x2 .line 3 aput-boolean v0, p0, v1 return-void .end method .method public static discardToSps(Ljava/nio/ByteBuffer;)V .locals 9 .line 1 invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I move-result v0 const/4 v1, 0x0 move v2, v1 move v3, v2 :goto_0 add-int/lit8 v4, v2, 0x1 if-ge v4, v0, :cond_3 .line 2 invoke-virtual {p0, v2}, Ljava/nio/ByteBuffer;->get(I)B move-result v5 and-int/lit16 v5, v5, 0xff const/4 v6, 0x3 if-ne v3, v6, :cond_0 const/4 v7, 0x1 if-ne v5, v7, :cond_1 .line 3 invoke-virtual {p0, v4}, Ljava/nio/ByteBuffer;->get(I)B move-result v7 and-int/lit8 v7, v7, 0x1f const/4 v8, 0x7 if-ne v7, v8, :cond_1 .line 4 invoke-virtual {p0}, Ljava/nio/ByteBuffer;->duplicate()Ljava/nio/ByteBuffer; move-result-object v3 sub-int/2addr v2, v6 .line 5 invoke-virtual {v3, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; .line 6 invoke-virtual {v3, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer; .line 7 invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer; .line 8 invoke-virtual {p0, v3}, Ljava/nio/ByteBuffer;->put(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer; return-void :cond_0 if-nez v5, :cond_1 add-int/lit8 v3, v3, 0x1 :cond_1 if-eqz v5, :cond_2 move v3, v1 :cond_2 move v2, v4 goto :goto_0 .line 9 :cond_3 invoke-virtual {p0}, Ljava/nio/ByteBuffer;->clear()Ljava/nio/Buffer; return-void .end method .method public static findNalUnit([BII[Z)I .locals 7 sub-int v0, p2, p1 const/4 v1, 0x0 const/4 v2, 0x1 if-ltz v0, :cond_0 move v3, v2 goto :goto_0 :cond_0 move v3, v1 .line 1 :goto_0 invoke-static {v3}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V if-nez v0, :cond_1 return p2 :cond_1 const/4 v3, 0x2 if-eqz p3, :cond_4 .line 2 aget-boolean v4, p3, v1 if-eqz v4, :cond_2 .line 3 invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V add-int/lit8 p1, p1, -0x3 return p1 :cond_2 if-le v0, v2, :cond_3 .line 4 aget-boolean v4, p3, v2 if-eqz v4, :cond_3 aget-byte v4, p0, p1 if-ne v4, v2, :cond_3 .line 5 invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V sub-int/2addr p1, v3 return p1 :cond_3 if-le v0, v3, :cond_4 .line 6 aget-boolean v4, p3, v3 if-eqz v4, :cond_4 aget-byte v4, p0, p1 if-nez v4, :cond_4 add-int/lit8 v4, p1, 0x1 aget-byte v4, p0, v4 if-ne v4, v2, :cond_4 .line 7 invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V sub-int/2addr p1, v2 return p1 :cond_4 add-int/lit8 v4, p2, -0x1 add-int/2addr p1, v3 :goto_1 if-ge p1, v4, :cond_8 .line 8 aget-byte v5, p0, p1 and-int/lit16 v5, v5, 0xfe if-eqz v5, :cond_5 goto :goto_2 :cond_5 add-int/lit8 v5, p1, -0x2 .line 9 aget-byte v6, p0, v5 if-nez v6, :cond_7 add-int/lit8 v6, p1, -0x1 aget-byte v6, p0, v6 if-nez v6, :cond_7 aget-byte v6, p0, p1 if-ne v6, v2, :cond_7 if-eqz p3, :cond_6 .line 10 invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V :cond_6 return v5 :cond_7 add-int/lit8 p1, p1, -0x2 :goto_2 add-int/lit8 p1, p1, 0x3 goto :goto_1 :cond_8 if-eqz p3, :cond_f if-le v0, v3, :cond_a add-int/lit8 p1, p2, -0x3 .line 11 aget-byte p1, p0, p1 if-nez p1, :cond_9 add-int/lit8 p1, p2, -0x2 aget-byte p1, p0, p1 if-nez p1, :cond_9 aget-byte p1, p0, v4 if-ne p1, v2, :cond_9 goto :goto_3 :cond_9 move p1, v1 goto :goto_4 :cond_a if-ne v0, v3, :cond_b aget-boolean p1, p3, v3 if-eqz p1, :cond_9 add-int/lit8 p1, p2, -0x2 aget-byte p1, p0, p1 if-nez p1, :cond_9 aget-byte p1, p0, v4 if-ne p1, v2, :cond_9 goto :goto_3 :cond_b aget-boolean p1, p3, v2 if-eqz p1, :cond_9 aget-byte p1, p0, v4 if-ne p1, v2, :cond_9 :goto_3 move p1, v2 :goto_4 aput-boolean p1, p3, v1 if-le v0, v2, :cond_c add-int/lit8 p1, p2, -0x2 .line 12 aget-byte p1, p0, p1 if-nez p1, :cond_d aget-byte p1, p0, v4 if-nez p1, :cond_d goto :goto_5 :cond_c aget-boolean p1, p3, v3 if-eqz p1, :cond_d aget-byte p1, p0, v4 if-nez p1, :cond_d :goto_5 move p1, v2 goto :goto_6 :cond_d move p1, v1 :goto_6 aput-boolean p1, p3, v2 .line 13 aget-byte p0, p0, v4 if-nez p0, :cond_e move v1, v2 :cond_e aput-boolean v1, p3, v3 :cond_f return p2 .end method .method private static findNextUnescapeIndex([BII)I .locals 2 :goto_0 add-int/lit8 v0, p2, -0x2 if-ge p1, v0, :cond_1 .line 1 aget-byte v0, p0, p1 if-nez v0, :cond_0 add-int/lit8 v0, p1, 0x1 aget-byte v0, p0, v0 if-nez v0, :cond_0 add-int/lit8 v0, p1, 0x2 aget-byte v0, p0, v0 const/4 v1, 0x3 if-ne v0, v1, :cond_0 return p1 :cond_0 add-int/lit8 p1, p1, 0x1 goto :goto_0 :cond_1 return p2 .end method .method public static getH265NalUnitType([BI)I .locals 0 add-int/lit8 p1, p1, 0x3 .line 1 aget-byte p0, p0, p1 and-int/lit8 p0, p0, 0x7e shr-int/lit8 p0, p0, 0x1 return p0 .end method .method public static getNalUnitType([BI)I .locals 0 add-int/lit8 p1, p1, 0x3 .line 1 aget-byte p0, p0, p1 and-int/lit8 p0, p0, 0x1f return p0 .end method .method public static isNalUnitSei(Ljava/lang/String;B)Z .locals 3 const-string v0, "video/avc" .line 1 invoke-virtual {v0, p0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z move-result v0 const/4 v1, 0x1 if-eqz v0, :cond_0 and-int/lit8 v0, p1, 0x1f const/4 v2, 0x6 if-eq v0, v2, :cond_2 :cond_0 const-string v0, "video/hevc" .line 2 invoke-virtual {v0, p0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z move-result p0 if-eqz p0, :cond_1 and-int/lit8 p0, p1, 0x7e shr-int/2addr p0, v1 const/16 p1, 0x27 if-ne p0, p1, :cond_1 goto :goto_0 :cond_1 const/4 v1, 0x0 :cond_2 :goto_0 return v1 .end method .method public static parsePpsNalUnit([BII)Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData; .locals 1 .line 1 new-instance v0, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray; invoke-direct {v0, p0, p1, p2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->([BII)V const/16 p0, 0x8 .line 2 invoke-virtual {v0, p0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V .line 3 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result p0 .line 4 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result p1 .line 5 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBit()V .line 6 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result p2 .line 7 new-instance v0, Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData; invoke-direct {v0, p0, p1, p2}, Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;->(IIZ)V return-object v0 .end method .method public static parseSpsNalUnit([BII)Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData; .locals 17 .line 1 new-instance v0, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray; move-object/from16 v1, p0 move/from16 v2, p1 move/from16 v3, p2 invoke-direct {v0, v1, v2, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->([BII)V const/16 v1, 0x8 .line 2 invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V .line 3 invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I move-result v2 const/16 v3, 0x10 .line 4 invoke-virtual {v0, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V .line 5 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v5 const/4 v4, 0x3 const/4 v6, 0x0 const/4 v7, 0x1 const/16 v8, 0x64 if-eq v2, v8, :cond_1 const/16 v8, 0x6e if-eq v2, v8, :cond_1 const/16 v8, 0x7a if-eq v2, v8, :cond_1 const/16 v8, 0xf4 if-eq v2, v8, :cond_1 const/16 v8, 0x2c if-eq v2, v8, :cond_1 const/16 v8, 0x53 if-eq v2, v8, :cond_1 const/16 v8, 0x56 if-eq v2, v8, :cond_1 const/16 v8, 0x76 if-eq v2, v8, :cond_1 const/16 v8, 0x80 if-eq v2, v8, :cond_1 const/16 v8, 0x8a if-ne v2, v8, :cond_0 goto :goto_0 :cond_0 move v9, v6 move v2, v7 goto :goto_5 .line 6 :cond_1 :goto_0 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v2 if-ne v2, v4, :cond_2 .line 7 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v8 goto :goto_1 :cond_2 move v8, v6 .line 8 :goto_1 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I .line 9 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I .line 10 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBit()V .line 11 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v9 if-eqz v9, :cond_6 if-eq v2, v4, :cond_3 move v4, v1 goto :goto_2 :cond_3 const/16 v4, 0xc :goto_2 move v9, v6 :goto_3 if-ge v9, v4, :cond_6 .line 12 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v10 if-eqz v10, :cond_5 const/4 v10, 0x6 if-ge v9, v10, :cond_4 move v10, v3 goto :goto_4 :cond_4 const/16 v10, 0x40 .line 13 :goto_4 invoke-static {v0, v10}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->skipScalingList(Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;I)V :cond_5 add-int/lit8 v9, v9, 0x1 goto :goto_3 :cond_6 move v9, v8 .line 14 :goto_5 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v4 add-int/lit8 v11, v4, 0x4 .line 15 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v12 if-nez v12, :cond_7 .line 16 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v4 add-int/lit8 v4, v4, 0x4 move/from16 p1, v2 move v13, v4 move v14, v6 goto :goto_7 :cond_7 if-ne v12, v7, :cond_9 .line 17 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v4 .line 18 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I .line 19 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I .line 20 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v8 int-to-long v13, v8 move/from16 p1, v2 move v8, v6 :goto_6 int-to-long v1, v8 cmp-long v1, v1, v13 if-gez v1, :cond_8 .line 21 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I add-int/lit8 v8, v8, 0x1 goto :goto_6 :cond_8 move v14, v4 move v13, v6 goto :goto_7 :cond_9 move/from16 p1, v2 move v13, v6 move v14, v13 .line 22 :goto_7 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I .line 23 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBit()V .line 24 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v1 add-int/2addr v1, v7 .line 25 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v2 add-int/2addr v2, v7 .line 26 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v10 rsub-int/lit8 v4, v10, 0x2 mul-int/2addr v4, v2 if-nez v10, :cond_a .line 27 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBit()V .line 28 :cond_a invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBit()V mul-int/2addr v1, v3 mul-int/2addr v4, v3 .line 29 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v2 if-eqz v2, :cond_e .line 30 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v2 .line 31 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v3 .line 32 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v6 .line 33 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I move-result v8 if-nez p1, :cond_b rsub-int/lit8 v15, v10, 0x2 goto :goto_a :cond_b const/4 v15, 0x3 move/from16 v7, p1 if-ne v7, v15, :cond_c const/4 v15, 0x1 const/16 v16, 0x1 goto :goto_8 :cond_c const/4 v15, 0x1 const/16 v16, 0x2 :goto_8 if-ne v7, v15, :cond_d const/4 v7, 0x2 goto :goto_9 :cond_d move v7, v15 :goto_9 rsub-int/lit8 v15, v10, 0x2 mul-int/2addr v15, v7 move/from16 v7, v16 :goto_a add-int/2addr v2, v3 mul-int/2addr v2, v7 sub-int/2addr v1, v2 add-int/2addr v6, v8 mul-int/2addr v6, v15 sub-int/2addr v4, v6 :cond_e move v6, v1 move v7, v4 const/high16 v1, 0x3f800000 # 1.0f .line 34 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v2 if-eqz v2, :cond_11 .line 35 invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z move-result v2 if-eqz v2, :cond_11 const/16 v2, 0x8 .line 36 invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I move-result v2 const/16 v3, 0xff if-ne v2, v3, :cond_f const/16 v2, 0x10 .line 37 invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I move-result v3 .line 38 invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I move-result v0 if-eqz v3, :cond_11 if-eqz v0, :cond_11 int-to-float v1, v3 int-to-float v0, v0 div-float/2addr v1, v0 goto :goto_b .line 39 :cond_f sget-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->ASPECT_RATIO_IDC_VALUES:[F array-length v3, v0 if-ge v2, v3, :cond_10 .line 40 aget v0, v0, v2 move v8, v0 goto :goto_c :cond_10 const-string v0, "Unexpected aspect_ratio_idc value: " const-string v3, "NalUnitUtil" .line 41 invoke-static {v0, v2, v3}, Ld1/e;->a(Ljava/lang/String;ILjava/lang/String;)V :cond_11 :goto_b move v8, v1 .line 42 :goto_c new-instance v0, Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData; move-object v4, v0 invoke-direct/range {v4 .. v14}, Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData;->(IIIFZZIIIZ)V return-object v0 .end method .method private static skipScalingList(Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;I)V .locals 3 const/16 v0, 0x8 const/4 v1, 0x0 move v2, v1 move v1, v0 :goto_0 if-ge v2, p1, :cond_2 if-eqz v0, :cond_0 .line 1 invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I move-result v0 add-int/2addr v0, v1 add-int/lit16 v0, v0, 0x100 .line 2 rem-int/lit16 v0, v0, 0x100 :cond_0 if-nez v0, :cond_1 goto :goto_1 :cond_1 move v1, v0 :goto_1 add-int/lit8 v2, v2, 0x1 goto :goto_0 :cond_2 return-void .end method .method public static unescapeStream([BI)I .locals 8 .line 1 sget-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositionsLock:Ljava/lang/Object; monitor-enter v0 const/4 v1, 0x0 move v2, v1 move v3, v2 :cond_0 :goto_0 if-ge v2, p1, :cond_2 .line 2 :try_start_0 invoke-static {p0, v2, p1}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->findNextUnescapeIndex([BII)I move-result v2 if-ge v2, p1, :cond_0 .line 3 sget-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I array-length v5, v4 if-gt v5, v3, :cond_1 .line 4 array-length v5, v4 mul-int/lit8 v5, v5, 0x2 invoke-static {v4, v5}, Ljava/util/Arrays;->copyOf([II)[I move-result-object v4 sput-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I .line 5 :cond_1 sget-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I add-int/lit8 v5, v3, 0x1 aput v2, v4, v3 add-int/lit8 v2, v2, 0x3 move v3, v5 goto :goto_0 :catchall_0 move-exception p0 goto :goto_2 :cond_2 sub-int/2addr p1, v3 move v2, v1 move v4, v2 move v5, v4 :goto_1 if-ge v2, v3, :cond_3 .line 6 sget-object v6, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I aget v6, v6, v2 sub-int/2addr v6, v5 .line 7 invoke-static {p0, v5, p0, v4, v6}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V add-int/2addr v4, v6 add-int/lit8 v7, v4, 0x1 .line 8 aput-byte v1, p0, v4 add-int/lit8 v4, v7, 0x1 .line 9 aput-byte v1, p0, v7 add-int/lit8 v6, v6, 0x3 add-int/2addr v5, v6 add-int/lit8 v2, v2, 0x1 goto :goto_1 :cond_3 sub-int v1, p1, v4 .line 10 invoke-static {p0, v5, p0, v4, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V .line 11 monitor-exit v0 return p1 .line 12 :goto_2 monitor-exit v0 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 throw p0 .end method