Give a calculation for H.264 level picture size limits.

------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=117220482

Give a calculation for H.264 level picture size limits.
------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=117220482
a1c74cb2 · olly · Oliver Woodman · 5a6d1435 · a1c74cb2
Commit a1c74cb2 authored Mar 15, 2016 by olly Committed by Oliver Woodman Jun 15, 2016
Showing with 16 additions and 16 deletions
library/src/main/java/com/google/android/exoplayer/MediaCodecUtil.java
--- a/library/src/main/java/com/google/android/exoplayer/MediaCodecUtil.java
+++ b/library/src/main/java/com/google/android/exoplayer/MediaCodecUtil.java
@@ -260,7 +260,7 @@ public final class MediaCodecUtil {
  }

  /**
-   * Conversion values taken from: https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC.
+   * Conversion values taken from ISO 14496-10 Table A-1.
   *
   * @param avcLevel one of CodecProfileLevel.AVCLevel* constants.
   * @return maximum frame size that can be decoded by a decoder with the specified avc level
@@ -268,21 +268,21 @@ public final class MediaCodecUtil {
   */
  private static int avcLevelToMaxFrameSize(int avcLevel) {
    switch (avcLevel) {
-      case CodecProfileLevel.AVCLevel1: return 25344;
-      case CodecProfileLevel.AVCLevel1b: return 25344;
-      case CodecProfileLevel.AVCLevel12: return 101376;
-      case CodecProfileLevel.AVCLevel13: return 101376;
-      case CodecProfileLevel.AVCLevel2: return 101376;
-      case CodecProfileLevel.AVCLevel21: return 202752;
-      case CodecProfileLevel.AVCLevel22: return 414720;
-      case CodecProfileLevel.AVCLevel3: return 414720;
-      case CodecProfileLevel.AVCLevel31: return 921600;
-      case CodecProfileLevel.AVCLevel32: return 1310720;
-      case CodecProfileLevel.AVCLevel4: return 2097152;
-      case CodecProfileLevel.AVCLevel41: return 2097152;
-      case CodecProfileLevel.AVCLevel42: return 2228224;
-      case CodecProfileLevel.AVCLevel5: return 5652480;
-      case CodecProfileLevel.AVCLevel51: return 9437184;
+      case CodecProfileLevel.AVCLevel1: return 99 * 16 * 16;
+      case CodecProfileLevel.AVCLevel1b: return 99 * 16 * 16;
+      case CodecProfileLevel.AVCLevel12: return 396 * 16 * 16;
+      case CodecProfileLevel.AVCLevel13: return 396 * 16 * 16;
+      case CodecProfileLevel.AVCLevel2: return 396 * 16 * 16;
+      case CodecProfileLevel.AVCLevel21: return 792 * 16 * 16;
+      case CodecProfileLevel.AVCLevel22: return 1620 * 16 * 16;
+      case CodecProfileLevel.AVCLevel3: return 1620 * 16 * 16;
+      case CodecProfileLevel.AVCLevel31: return 3600 * 16 * 16;
+      case CodecProfileLevel.AVCLevel32: return 5120 * 16 * 16;
+      case CodecProfileLevel.AVCLevel4: return 8192 * 16 * 16;
+      case CodecProfileLevel.AVCLevel41: return 8192 * 16 * 16;
+      case CodecProfileLevel.AVCLevel42: return 8704 * 16 * 16;
+      case CodecProfileLevel.AVCLevel5: return 22080 * 16 * 16;
+      case CodecProfileLevel.AVCLevel51: return 36864 * 16 * 16;
      default: return -1;
    }
  }