diff options
Diffstat (limited to 'media/libstagefright/mpeg2ts/ESQueue.cpp')
| -rw-r--r-- | media/libstagefright/mpeg2ts/ESQueue.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/media/libstagefright/mpeg2ts/ESQueue.cpp b/media/libstagefright/mpeg2ts/ESQueue.cpp index f11b3c3..37bcb23 100644 --- a/media/libstagefright/mpeg2ts/ESQueue.cpp +++ b/media/libstagefright/mpeg2ts/ESQueue.cpp @@ -55,9 +55,34 @@ status_t ElementaryStreamQueue::appendData( switch (mMode) { case H264: { +#if 0 if (size < 4 || memcmp("\x00\x00\x00\x01", data, 4)) { return ERROR_MALFORMED; } +#else + uint8_t *ptr = (uint8_t *)data; + + ssize_t startOffset = -1; + for (size_t i = 0; i + 3 < size; ++i) { + if (!memcmp("\x00\x00\x00\x01", &ptr[i], 4)) { + startOffset = i; + break; + } + } + + if (startOffset < 0) { + return ERROR_MALFORMED; + } + + if (startOffset > 0) { + LOGI("found something resembling an H.264 syncword at " + "offset %ld", + startOffset); + } + + data = &ptr[startOffset]; + size -= startOffset; +#endif break; } @@ -65,9 +90,31 @@ status_t ElementaryStreamQueue::appendData( { uint8_t *ptr = (uint8_t *)data; +#if 0 if (size < 2 || ptr[0] != 0xff || (ptr[1] >> 4) != 0x0f) { return ERROR_MALFORMED; } +#else + ssize_t startOffset = -1; + for (size_t i = 0; i + 1 < size; ++i) { + if (ptr[i] == 0xff && (ptr[i + 1] >> 4) == 0x0f) { + startOffset = i; + break; + } + } + + if (startOffset < 0) { + return ERROR_MALFORMED; + } + + if (startOffset > 0) { + LOGI("found something resembling an AAC syncword at offset %ld", + startOffset); + } + + data = &ptr[startOffset]; + size -= startOffset; +#endif break; } |