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Submit codec config frames with the corresponding flag to work around an TI OMAP 4 errata. Also add a file that documents the currently known codec errata.

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This commit is contained in:
Cameron Gutman
2014-06-30 21:05:10 -07:00
parent ddf9284ece
commit b3c78ce1b1
3 changed files with 25 additions and 5 deletions
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20
src/com/limelight/binding/video/MediaCodecDecoderRenderer.java
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@@ -237,15 +237,25 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
// Clear old input data
buf.clear();
if (needsSpsBitstreamFixup || needsSpsNumRefFixup) {
int codecFlags = 0;
int decodeUnitFlags = decodeUnit.getFlags();
if ((decodeUnitFlags & DecodeUnit.DU_FLAG_CODEC_CONFIG) != 0) {
codecFlags |= MediaCodec.BUFFER_FLAG_CODEC_CONFIG;
}
if ((decodeUnitFlags & DecodeUnit.DU_FLAG_SYNC_FRAME) != 0) {
codecFlags |= MediaCodec.BUFFER_FLAG_SYNC_FRAME;
}
if ((decodeUnitFlags & DecodeUnit.DU_FLAG_CODEC_CONFIG) != 0 &&
(needsSpsBitstreamFixup || needsSpsNumRefFixup)) {
ByteBufferDescriptor header = decodeUnit.getBufferList().get(0);
if (header.data[header.offset+4] == 0x67) {
// TI OMAP4 requires a reference frame count of 1 to decode successfully
if (needsSpsNumRefFixup) {
LimeLog.info("Fixing up num ref frames");
this.replace(header, 80, 9, new byte[] {0x40}, 3);
}
}
// The SPS that comes in the current H264 bytestream doesn't set bitstream_restriction_flag
// or max_dec_frame_buffering which increases decoding latency on Tegra.
@@ -285,7 +295,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, spsLength,
0, 0);
0, codecFlags);
return true;
}
}
@@ -298,7 +308,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
videoDecoder.queueInputBuffer(inputIndex,
0, decodeUnit.getDataLength(),
0, 0);
0, codecFlags);
}
return true;