diff options
Diffstat (limited to 'va/va.h')
| -rw-r--r-- | va/va.h | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -2166,6 +2166,7 @@ typedef struct _VAEncPictureParameterBufferMPEG4 * eliminates this copy is to pass null as "data" when calling vaCreateBuffer(), * and then use vaMapBuffer() to map the data store from the server side to the * client address space for access. + * The user must call vaDestroyBuffer() to destroy a buffer. * Note: image buffers are created by the library, not the client. Please see * vaCreateImage on how image buffers are managed. */ @@ -2286,7 +2287,12 @@ VAStatus vaUnmapBuffer ( /** * After this call, the buffer is deleted and this buffer_id is no longer valid - * Only call this if the buffer is not going to be passed to vaRenderBuffer + * + * A buffer can be re-used and sent to the server by another Begin/Render/End + * sequence if vaDestroyBuffer() is not called with this buffer. + * + * Note re-using a shared buffer (e.g. a slice data buffer) between the host and the + * hardware accelerator can result in performance dropping. */ VAStatus vaDestroyBuffer ( VADisplay dpy, @@ -2414,7 +2420,6 @@ VAStatus vaBeginPicture ( /** * Send decode buffers to the server. - * Buffers are automatically destroyed afterwards */ VAStatus vaRenderPicture ( VADisplay dpy, |