gralloc1: Add support to provide interlace info
Add new perform operation to indicate if the buffer is
interlaced. Update get yuv plane info operation to provide
info for ubwc interlaced layout.
Change-Id: I025ace1928d35e053a0cf32eafe51ee2dd4ac537
CRs-fixed: 2055788
diff --git a/libgralloc1/gr_utils.cpp b/libgralloc1/gr_utils.cpp
index 28fe4f6..30afe4c 100644
--- a/libgralloc1/gr_utils.cpp
+++ b/libgralloc1/gr_utils.cpp
@@ -309,6 +309,28 @@
ycbcr->cstride = VENUS_UV_STRIDE(color_format, INT(width));
}
+void GetYuvUbwcInterlacedSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height,
+ int color_format, struct android_ycbcr *ycbcr) {
+ unsigned int uv_stride, uv_height, uv_size;
+ unsigned int alignment = 4096;
+ uint64_t field_base;
+
+ // UBWC interlaced has top-bottom field layout with each field as
+ // 4-plane NV12_UBWC with width = image_width & height = image_height / 2.
+ // Client passed ycbcr argument is ptr to struct android_ycbcr[2].
+ // Plane info to be filled for each field separately.
+ height = (height + 1) >> 1;
+ uv_stride = VENUS_UV_STRIDE(color_format, INT(width));
+ uv_height = VENUS_UV_SCANLINES(color_format, INT(height));
+ uv_size = ALIGN((uv_stride * uv_height), alignment);
+
+ field_base = base;
+ GetYuvUbwcSPPlaneInfo(field_base, width, height, COLOR_FMT_NV12_UBWC, &ycbcr[0]);
+
+ field_base = reinterpret_cast<uint64_t>(ycbcr[0].cb) + uv_size;
+ GetYuvUbwcSPPlaneInfo(field_base, width, height, COLOR_FMT_NV12_UBWC, &ycbcr[1]);
+}
+
void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp,
struct android_ycbcr *ycbcr) {
unsigned int ystride, cstride;
@@ -330,6 +352,7 @@
gralloc1_producer_usage_t prod_usage = hnd->GetProducerUsage();
gralloc1_consumer_usage_t cons_usage = hnd->GetConsumerUsage();
unsigned int ystride, cstride;
+ bool interlaced = false;
memset(ycbcr->reserved, 0, sizeof(ycbcr->reserved));
MetaData_t *metadata = reinterpret_cast<MetaData_t *>(hnd->base_metadata);
@@ -352,6 +375,11 @@
GetAlignedWidthAndHeight(info, &width, &height);
}
+ // Check metadata for interlaced content.
+ if (metadata && (metadata->operation & PP_PARAM_INTERLACED)) {
+ interlaced = metadata->interlaced ? true : false;
+ }
+
// Get the chroma offsets from the handle width/height. We take advantage
// of the fact the width _is_ the stride
switch (format) {
@@ -369,7 +397,11 @@
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
- GetYuvUbwcSPPlaneInfo(hnd->base, width, height, COLOR_FMT_NV12_UBWC, ycbcr);
+ if (!interlaced) {
+ GetYuvUbwcSPPlaneInfo(hnd->base, width, height, COLOR_FMT_NV12_UBWC, ycbcr);
+ } else {
+ GetYuvUbwcInterlacedSPPlaneInfo(hnd->base, width, height, COLOR_FMT_NV12_UBWC, ycbcr);
+ }
ycbcr->chroma_step = 2;
break;