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Commit 852dc963 authored by Wei Jia's avatar Wei Jia Committed by Android (Google) Code Review
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Merge "avc_util: try to find the first start code prefix 0x000001 even though... 

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
parents db995fe3 15ebd70b

media/libstagefright/avc_utils.cpp

+12 −15
Original line number Original line Diff line number Diff line
@@ -222,28 +222,25 @@ status_t getNextNALUnit( 
    *nalStart = NULL;

    *nalStart = NULL;

    *nalSize = 0;

    *nalSize = 0;





    if (size == 0) {

    if (size < 3) {

        return -EAGAIN;

        return -EAGAIN;

    }

    }





    // Skip any number of leading 0x00.



    size_t offset = 0;

    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.

    // A valid startcode consists of at least two 0x00 bytes followed by 0x01.



    for (; offset + 2 < size; ++offset) {

    if (offset < 2 || data[offset] != 0x01) {

        if (data[offset + 2] == 0x01 && data[offset] == 0x00

        return ERROR_MALFORMED;

                && data[offset + 1] == 0x00) {

            break;

        }

        }



    }

    ++offset;

    if (offset + 2 >= size) {

        *_data = &data[offset];

        *_size = 2;

        return -EAGAIN;

    }

    offset += 3;





    size_t startOffset = offset;

    size_t startOffset = offset;

media/libstagefright/mpeg2ts/ESQueue.cpp

+3 −2
Original line number Original line Diff line number Diff line
@@ -346,12 +346,13 @@ status_t ElementaryStreamQueue::appendData( 
                }

                }





                if (frameLength != size - startOffset) {

                if (frameLength != size - startOffset) {

                    ALOGW("got ADTS AAC frame length %zd instead of %zd",

                    ALOGW("First ADTS AAC frame length is %zd bytes, "

                          "while the buffer size is %zd bytes.",

                          frameLength, size - startOffset);

                          frameLength, size - startOffset);

                }

                }





                data = &ptr[startOffset];

                data = &ptr[startOffset];

                size = frameLength;

                size -= startOffset;

#endif

#endif

                break;

                break;

            }

            }