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author | Wei Jia <wjia@google.com> | 2014-12-05 02:44:16 +0000 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2014-12-05 02:44:17 +0000 |
commit | 852dc963a53487f2e2f197ab095299aed9c60a5e (patch) | |
tree | 8bb5fe9cb0061af9733cd41626bbafbc1d113872 /media/libstagefright/avc_utils.cpp | |
parent | db995fe3239276be9dfd9e446b10417e07948acc (diff) | |
parent | 15ebd70bdb7aeb3d5ce309710dbd64c0ea038113 (diff) | |
download | frameworks_av-852dc963a53487f2e2f197ab095299aed9c60a5e.zip frameworks_av-852dc963a53487f2e2f197ab095299aed9c60a5e.tar.gz frameworks_av-852dc963a53487f2e2f197ab095299aed9c60a5e.tar.bz2 |
Merge "avc_util: try to find the first start code prefix 0x000001 even though there is non-zero byte at the beginning of the buffer." into lmp-mr1-dev
Diffstat (limited to 'media/libstagefright/avc_utils.cpp')
-rw-r--r-- | media/libstagefright/avc_utils.cpp | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/media/libstagefright/avc_utils.cpp b/media/libstagefright/avc_utils.cpp index 38a1f6b..cbdb816 100644 --- a/media/libstagefright/avc_utils.cpp +++ b/media/libstagefright/avc_utils.cpp @@ -222,28 +222,25 @@ status_t getNextNALUnit( *nalStart = NULL; *nalSize = 0; - if (size == 0) { + if (size < 3) { return -EAGAIN; } - // Skip any number of leading 0x00. - size_t offset = 0; - while (offset < size && data[offset] == 0x00) { - ++offset; - } - - if (offset == size) { - return -EAGAIN; - } // A valid startcode consists of at least two 0x00 bytes followed by 0x01. - - if (offset < 2 || data[offset] != 0x01) { - return ERROR_MALFORMED; + for (; offset + 2 < size; ++offset) { + if (data[offset + 2] == 0x01 && data[offset] == 0x00 + && data[offset + 1] == 0x00) { + break; + } } - - ++offset; + if (offset + 2 >= size) { + *_data = &data[offset]; + *_size = 2; + return -EAGAIN; + } + offset += 3; size_t startOffset = offset; |