hwc: Add support for YCrCb_420_SP_VENUS(NV21_VENUS)
* Earlier, camera preview buffers were of NV21(YCrCb_420_SP)
and the video buffers were of NV12_VENUS(YCbCr_420_SP_VENUS)
format. Now that the video encoder has support for NV21,
both the camera and video buffers can be of
NV21_VENUS(YCrCb_420_SP_VENUS) format.
* If the preview and video buffer sizes are the same,
CPP double pass to generate video and preview buffers can be
avoided and the buffers can now be generated within a single pass
with CPP duplication thereby saving power.
* Add support in gralloc for NV12_VENUS format to achieve
the same.
Change-Id: I7001f975f2cafa21c893e7384ddbddd5f2788b1d
diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index 3e17061..41a9707 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -173,6 +173,10 @@
aligned_w = VENUS_Y_STRIDE(COLOR_FMT_NV12, width);
aligned_h = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height);
break;
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
+ aligned_w = VENUS_Y_STRIDE(COLOR_FMT_NV21, width);
+ aligned_h = VENUS_Y_SCANLINES(COLOR_FMT_NV21, height);
+ break;
case HAL_PIXEL_FORMAT_BLOB:
break;
case HAL_PIXEL_FORMAT_NV21_ZSL:
@@ -517,6 +521,9 @@
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
break;
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
+ size = VENUS_BUFFER_SIZE(COLOR_FMT_NV21, width, height);
+ break;
case HAL_PIXEL_FORMAT_BLOB:
if(height != 1) {
ALOGE("%s: Buffers with format HAL_PIXEL_FORMAT_BLOB \
@@ -680,6 +687,7 @@
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
case HAL_PIXEL_FORMAT_NV21_ZSL:
case HAL_PIXEL_FORMAT_RAW_SENSOR:
case HAL_PIXEL_FORMAT_RAW10:
diff --git a/libgralloc/gralloc_priv.h b/libgralloc/gralloc_priv.h
index 676c3bc..a38c36c 100755
--- a/libgralloc/gralloc_priv.h
+++ b/libgralloc/gralloc_priv.h
@@ -103,6 +103,7 @@
#define HAL_PIXEL_FORMAT_YCrCb_422_I 0x111
#define HAL_PIXEL_FORMAT_BGRX_8888 0x112
#define HAL_PIXEL_FORMAT_NV21_ZSL 0x113
+#define HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS 0x114
#define HAL_PIXEL_FORMAT_INTERLACE 0x180
//v4l2_fourcc('Y', 'U', 'Y', 'L'). 24 bpp YUYV 4:2:2 10 bit per component