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| author | Andreas Huber <andih@google.com> | 2010-09-23 14:08:32 -0700 |
|---|---|---|
| committer | Andreas Huber <andih@google.com> | 2010-09-23 14:08:32 -0700 |
| commit | 95fcef25b48e35b625899288971ab628efbf8584 (patch) | |
| tree | 6d7636d9fe63d2a2135d6bd0ac28632a9492e850 /media | |
| parent | fac4895de4ae63928ff0cf2ccece106eb6d33f72 (diff) | |
| download | frameworks_av-95fcef25b48e35b625899288971ab628efbf8584.zip frameworks_av-95fcef25b48e35b625899288971ab628efbf8584.tar.gz frameworks_av-95fcef25b48e35b625899288971ab628efbf8584.tar.bz2 | |
Depending on our preference to write 2-byte or 4-byte NALs, patch the codec specific data 'avcC' accordingly.
Change-Id: I1423923fafbcac6911218277e2bbfa068e49dcc6
Diffstat (limited to 'media')
| -rw-r--r-- | media/libstagefright/MPEG4Writer.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp index f0d8943..ba1e218 100644 --- a/media/libstagefright/MPEG4Writer.cpp +++ b/media/libstagefright/MPEG4Writer.cpp @@ -2111,7 +2111,15 @@ void MPEG4Writer::Track::writeTrackHeader( mOwner->endBox(); // d263 } else if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) { CHECK(mCodecSpecificData); - CHECK(mCodecSpecificDataSize > 0); + CHECK(mCodecSpecificDataSize >= 5); + + // Patch avcc's lengthSize field to match the number + // of bytes we use to indicate the size of a nal unit. + uint8_t *ptr = (uint8_t *)mCodecSpecificData; + ptr[4] = + (ptr[4] & 0xfc) + | (mOwner->useNalLengthFour() ? 3 : 1); + mOwner->beginBox("avcC"); mOwner->write(mCodecSpecificData, mCodecSpecificDataSize); mOwner->endBox(); // avcC |