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Remove MediaTek decoders from the decoders that need bitstream restrictions. The correct fix was to lower level_idc to reduce the required buffering. On newer MediaTek chipsets, sending bitstream restrictions actually slows down decoding by a factor of 3.

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This commit is contained in:
Cameron Gutman 2015-10-11 16:57:37 -07:00
parent 4619045375
commit a6003f6bff
2 changed files with 6 additions and 4 deletions
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1
app/src/main/java/com/limelight/binding/video/MediaCodecHelper.java
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@ -58,7 +58,6 @@ public class MediaCodecHelper {
spsFixupBitstreamFixupDecoderPrefixes = new LinkedList<String>();
spsFixupBitstreamFixupDecoderPrefixes.add("omx.nvidia");
spsFixupBitstreamFixupDecoderPrefixes.add("omx.qcom");
spsFixupBitstreamFixupDecoderPrefixes.add("omx.mtk");
spsFixupBitstreamFixupDecoderPrefixes.add("omx.brcm");
baselineProfileHackPrefixes = new LinkedList<String>();

9
decoder-errata.txt
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@ -12,8 +12,8 @@ This file serves to document some of the decoder errata when using MediaCodec ha
4. Some decoders require num_ref_frames=1 and max_dec_frame_buffering=1 to avoid crashing on SPS on first I-frame
- Affected decoders: Qualcomm in GS3 on 4.3+, Exynos 4 at 1080p only
5. Some decoders will hang if max_dec_frame_buffering is not present
- Affected decoders: MediaTek decoder in Fire HD 7 (2014)
5. Some decoders will hang or crash if max_dec_frame_buffering is not present and level_idc is >= 50
- Affected decoders: MediaTek decoder in Fire HD 6/7 (2014)
6. Some decoders will hang if max_dec_frame_buffering IS present
- Affected decoders: Exynos 5 in Galaxy Note 10.1 (2014)
@ -25,4 +25,7 @@ This file serves to document some of the decoder errata when using MediaCodec ha
- Affected decoders: Intel decoder in Nexus Player (prior to Android 6.0)
9. Some decoders will not enter low latency mode if the profile isn't constrained high profile because B-frames may be present.
- Affected decoders: Intel decoder in Nexus Player (after Android 6.0)
- Affected decoders: Intel decoder in Nexus Player (after Android 6.0)
10. Some decoders actually suffer increased latency when max_dec_frame_buffering=1
- Affected decoders: MediaTek decoder in Fire TV 2015