diff options
Diffstat (limited to 'include/media/stagefright/MetadataBufferType.h')
| -rw-r--r-- | include/media/stagefright/MetadataBufferType.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/media/stagefright/MetadataBufferType.h b/include/media/stagefright/MetadataBufferType.h index 52a3257..4eaf8ac 100644 --- a/include/media/stagefright/MetadataBufferType.h +++ b/include/media/stagefright/MetadataBufferType.h @@ -69,6 +69,16 @@ typedef enum { * kMetadataBufferTypeGrallocSource is used to indicate that * the payload of the metadata buffers can be interpreted as * a buffer_handle_t. + * So in this case,the metadata that the encoder receives + * will have a byte stream that consists of two parts: + * 1. First, there is an integer indicating that it is a GRAlloc + * source (kMetadataBufferTypeGrallocSource) + * 2. This is followed by the buffer_handle_t that is a handle to the + * GRalloc buffer. The encoder needs to interpret this GRalloc handle + * and encode the frames. + * -------------------------------------------------------------- + * | kMetadataBufferTypeGrallocSource | sizeof(buffer_handle_t) | + * -------------------------------------------------------------- */ kMetadataBufferTypeGrallocSource = 1, |