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-rw-r--r--include/media/hardware/HardwareAPI.h25
1 files changed, 20 insertions, 5 deletions
diff --git a/include/media/hardware/HardwareAPI.h b/include/media/hardware/HardwareAPI.h
index 90150c6..d5f42be 100644
--- a/include/media/hardware/HardwareAPI.h
+++ b/include/media/hardware/HardwareAPI.h
@@ -174,8 +174,8 @@ struct MediaImage {
Type mType;
size_t mNumPlanes; // number of planes
- size_t mWidth; // width of largest plane
- size_t mHeight; // height of largest plane
+ size_t mWidth; // width of largest plane (unpadded, as in nFrameWidth)
+ size_t mHeight; // height of largest plane (unpadded, as in nFrameHeight)
size_t mBitDepth; // useable bit depth
struct PlaneInfo {
size_t mOffset; // offset of first pixel of the plane in bytes
@@ -194,12 +194,26 @@ struct MediaImage {
// other than invalid. The color-format, frame width/height, and stride/
// slice-height parameters are ones that are associated with a raw video
// port (input or output), but the stride/slice height parameters may be
-// incorrect. The component shall fill out the MediaImage structure that
+// incorrect. bUsingNativeBuffers is OMX_TRUE if native android buffers will
+// be used (while specifying this color format).
+//
+// The component shall fill out the MediaImage structure that
// corresponds to the described raw video format, and the potentially corrected
// stride and slice-height info.
//
-// For non-YUV packed planar/semiplanar image formats, the component shall set
-// mNumPlanes to 0, and mType to MEDIA_IMAGE_TYPE_UNKNOWN.
+// The behavior is slightly different if bUsingNativeBuffers is OMX_TRUE,
+// though most implementations can ignore this difference. When using native buffers,
+// the component may change the configured color format to an optimized format.
+// Additionally, when allocating these buffers for flexible usecase, the framework
+// will set the SW_READ/WRITE_OFTEN usage flags. In this case (if bUsingNativeBuffers
+// is OMX_TRUE), the component shall fill out the MediaImage information for the
+// scenario when these SW-readable/writable buffers are locked using gralloc_lock.
+// Note, that these buffers may also be locked using gralloc_lock_ycbcr, which must
+// be supported for vendor-specific formats.
+//
+// For non-YUV packed planar/semiplanar image formats, or if bUsingNativeBuffers
+// is OMX_TRUE and the component does not support this color format with native
+// buffers, the component shall set mNumPlanes to 0, and mType to MEDIA_IMAGE_TYPE_UNKNOWN.
struct DescribeColorFormatParams {
OMX_U32 nSize;
OMX_VERSIONTYPE nVersion;
@@ -209,6 +223,7 @@ struct DescribeColorFormatParams {
OMX_U32 nFrameHeight;
OMX_U32 nStride;
OMX_U32 nSliceHeight;
+ OMX_BOOL bUsingNativeBuffers;
// output: fill out the MediaImage fields
MediaImage sMediaImage;