Merge "C2BufferQueueBlockPool: Fix swcodec crash in dtor of GraphicBuffer"
diff --git a/media/codec2/vndk/platform/C2BqBuffer.cpp b/media/codec2/vndk/platform/C2BqBuffer.cpp
index 169de0c..01995fd 100644
--- a/media/codec2/vndk/platform/C2BqBuffer.cpp
+++ b/media/codec2/vndk/platform/C2BqBuffer.cpp
@@ -16,6 +16,7 @@
//#define LOG_NDEBUG 0
#define LOG_TAG "C2BqBuffer"
+#include <android/hardware_buffer.h>
#include <utils/Log.h>
#include <ui/BufferQueueDefs.h>
@@ -171,6 +172,91 @@
return stamp;
}
+// Do not rely on AHardwareBuffer module for GraphicBuffer handling since AHardwareBuffer
+// module is linked to framework which could have a different implementation of GraphicBuffer
+// than mainline/vndk implementation.(See b/203347494.)
+//
+// b2h/h2b between HardwareBuffer and GraphicBuffer cannot be used. (b2h/h2b depend on
+// AHardwareBuffer module for the conversion between HardwareBuffer and GraphicBuffer.)
+// hgbp_ prefixed methods are added to be used instead of b2h/h2b.
+//
+// TODO: Remove dependency with existing AHwB module. Also clean up conversions.(conversions here
+// and h2b/b2h coversions)
+const GraphicBuffer* hgbp_AHBuffer_to_GraphicBuffer(const AHardwareBuffer* buffer) {
+ return GraphicBuffer::fromAHardwareBuffer(buffer);
+}
+
+int hgbp_createFromHandle(const AHardwareBuffer_Desc* desc,
+ const native_handle_t* handle,
+ sp<GraphicBuffer> *outBuffer) {
+
+ if (!desc || !handle || !outBuffer) return ::android::BAD_VALUE;
+ if (desc->rfu0 != 0 || desc->rfu1 != 0) return ::android::BAD_VALUE;
+ if (desc->format == AHARDWAREBUFFER_FORMAT_BLOB && desc->height != 1)
+ return ::android::BAD_VALUE;
+
+ const int format = uint32_t(desc->format);
+ const uint64_t usage = uint64_t(desc->usage);
+ sp<GraphicBuffer> gbuffer(new GraphicBuffer(handle,
+ GraphicBuffer::HandleWrapMethod::CLONE_HANDLE,
+ desc->width, desc->height,
+ format, desc->layers, usage, desc->stride));
+ status_t err = gbuffer->initCheck();
+ if (err != 0 || gbuffer->handle == 0) return err;
+
+ *outBuffer = gbuffer;
+
+ return ::android::NO_ERROR;
+}
+
+void hgbp_describe(const AHardwareBuffer* buffer,
+ AHardwareBuffer_Desc* outDesc) {
+ if (!buffer || !outDesc) return;
+
+ const GraphicBuffer* gbuffer = hgbp_AHBuffer_to_GraphicBuffer(buffer);
+
+ outDesc->width = gbuffer->getWidth();
+ outDesc->height = gbuffer->getHeight();
+ outDesc->layers = gbuffer->getLayerCount();
+ outDesc->format = uint32_t(gbuffer->getPixelFormat());
+ outDesc->usage = uint64_t(gbuffer->getUsage());
+ outDesc->stride = gbuffer->getStride();
+ outDesc->rfu0 = 0;
+ outDesc->rfu1 = 0;
+}
+
+
+bool hgbp_h2b(HBuffer const& from, sp<GraphicBuffer>* to) {
+ AHardwareBuffer_Desc const* desc =
+ reinterpret_cast<AHardwareBuffer_Desc const*>(
+ from.description.data());
+ native_handle_t const* handle = from.nativeHandle;
+ if (hgbp_createFromHandle(desc, handle, to) != ::android::OK) {
+ return false;
+ }
+ return true;
+}
+
+bool hgbp_b2h(sp<GraphicBuffer> const& from, HBuffer* to,
+ uint32_t* toGenerationNumber) {
+ if (!from) {
+ return false;
+ }
+ AHardwareBuffer* hwBuffer = from->toAHardwareBuffer();
+ to->nativeHandle.setTo(
+ const_cast<native_handle_t*>(from->handle),
+ false);
+ hgbp_describe(
+ hwBuffer,
+ reinterpret_cast<AHardwareBuffer_Desc*>(to->description.data()));
+ if (toGenerationNumber) {
+ *toGenerationNumber = from->getGenerationNumber();
+ }
+ return true;
+}
+
+// End of hgbp methods for GraphicBuffer creation.
+
bool getGenerationNumberAndUsage(const sp<HGraphicBufferProducer> &producer,
uint32_t *generation, uint64_t *usage) {
status_t status{};
@@ -211,7 +297,7 @@
HBuffer const& hBuffer,
uint32_t generationNumber){
if (h2b(hStatus, &status) &&
- h2b(hBuffer, &slotBuffer) &&
+ hgbp_h2b(hBuffer, &slotBuffer) &&
slotBuffer) {
*generation = generationNumber;
*usage = slotBuffer->getUsage();
@@ -402,7 +488,7 @@
HBuffer const& hBuffer,
uint32_t generationNumber){
if (h2b(hStatus, &status) &&
- h2b(hBuffer, &slotBuffer) &&
+ hgbp_h2b(hBuffer, &slotBuffer) &&
slotBuffer) {
slotBuffer->setGenerationNumber(generationNumber);
outGeneration = generationNumber;
@@ -804,7 +890,7 @@
HBuffer hBuffer{};
uint32_t hGenerationNumber{};
- if (!b2h(graphicBuffer, &hBuffer, &hGenerationNumber)) {
+ if (!hgbp_b2h(graphicBuffer, &hBuffer, &hGenerationNumber)) {
ALOGD("I to O conversion failed");
return -1;
}
