diff options
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 fc03607..5ec3438 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; |