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#include "include/dvr/dvr_buffer.h"
#include <android/hardware_buffer.h>
#include <dvr/dvr_shared_buffers.h>
#include <private/dvr/buffer_hub_client.h>
#include <ui/GraphicBuffer.h>
#include "dvr_internal.h"
using namespace android;
namespace android {
namespace dvr {
DvrBuffer* CreateDvrBufferFromIonBuffer(
const std::shared_ptr<IonBuffer>& ion_buffer) {
if (!ion_buffer)
return nullptr;
return new DvrBuffer{std::move(ion_buffer)};
}
} // namespace dvr
} // namespace android
namespace {
int ConvertToAHardwareBuffer(GraphicBuffer* graphic_buffer,
AHardwareBuffer** hardware_buffer) {
if (!hardware_buffer || !graphic_buffer) {
return -EINVAL;
}
*hardware_buffer = reinterpret_cast<AHardwareBuffer*>(graphic_buffer);
AHardwareBuffer_acquire(*hardware_buffer);
return 0;
}
} // anonymous namespace
extern "C" {
void dvrWriteBufferCreateEmpty(DvrWriteBuffer** write_buffer) {
if (write_buffer)
*write_buffer = new DvrWriteBuffer;
}
void dvrWriteBufferDestroy(DvrWriteBuffer* write_buffer) {
if (write_buffer != nullptr) {
ALOGW_IF(
write_buffer->slot != -1,
"dvrWriteBufferDestroy: Destroying a buffer associated with a valid "
"buffer queue slot. This may indicate possible leaks.");
delete write_buffer;
}
}
int dvrWriteBufferIsValid(DvrWriteBuffer* write_buffer) {
return write_buffer && write_buffer->write_buffer;
}
int dvrWriteBufferClear(DvrWriteBuffer* write_buffer) {
if (!write_buffer)
return -EINVAL;
write_buffer->write_buffer = nullptr;
return 0;
}
int dvrWriteBufferGetId(DvrWriteBuffer* write_buffer) {
if (!write_buffer || !write_buffer->write_buffer)
return -EINVAL;
return write_buffer->write_buffer->id();
}
int dvrWriteBufferGetAHardwareBuffer(DvrWriteBuffer* write_buffer,
AHardwareBuffer** hardware_buffer) {
if (!write_buffer || !write_buffer->write_buffer)
return -EINVAL;
return ConvertToAHardwareBuffer(
write_buffer->write_buffer->buffer()->buffer().get(), hardware_buffer);
}
int dvrWriteBufferPost(DvrWriteBuffer* write_buffer, int ready_fence_fd,
const void* meta, size_t meta_size_bytes) {
if (!write_buffer || !write_buffer->write_buffer)
return -EINVAL;
pdx::LocalHandle fence(ready_fence_fd);
int result = write_buffer->write_buffer->Post(fence, meta, meta_size_bytes);
return result;
}
int dvrWriteBufferGain(DvrWriteBuffer* write_buffer, int* release_fence_fd) {
if (!write_buffer || !write_buffer->write_buffer || !release_fence_fd)
return -EINVAL;
pdx::LocalHandle release_fence;
int result = write_buffer->write_buffer->Gain(&release_fence);
*release_fence_fd = release_fence.Release();
return result;
}
int dvrWriteBufferGainAsync(DvrWriteBuffer* write_buffer) {
if (!write_buffer || !write_buffer->write_buffer)
return -EINVAL;
return write_buffer->write_buffer->GainAsync();
}
void dvrReadBufferCreateEmpty(DvrReadBuffer** read_buffer) {
if (read_buffer)
*read_buffer = new DvrReadBuffer;
}
void dvrReadBufferDestroy(DvrReadBuffer* read_buffer) {
if (read_buffer != nullptr) {
ALOGW_IF(
read_buffer->slot != -1,
"dvrReadBufferDestroy: Destroying a buffer associated with a valid "
"buffer queue slot. This may indicate possible leaks.");
delete read_buffer;
}
}
int dvrReadBufferIsValid(DvrReadBuffer* read_buffer) {
return read_buffer && read_buffer->read_buffer;
}
int dvrReadBufferClear(DvrReadBuffer* read_buffer) {
if (!read_buffer)
return -EINVAL;
read_buffer->read_buffer = nullptr;
return 0;
}
int dvrReadBufferGetId(DvrReadBuffer* read_buffer) {
if (!read_buffer || !read_buffer->read_buffer)
return -EINVAL;
return read_buffer->read_buffer->id();
}
int dvrReadBufferGetAHardwareBuffer(DvrReadBuffer* read_buffer,
AHardwareBuffer** hardware_buffer) {
if (!read_buffer || !read_buffer->read_buffer)
return -EINVAL;
return ConvertToAHardwareBuffer(
read_buffer->read_buffer->buffer()->buffer().get(), hardware_buffer);
}
int dvrReadBufferAcquire(DvrReadBuffer* read_buffer, int* ready_fence_fd,
void* meta, size_t meta_size_bytes) {
if (!read_buffer || !read_buffer->read_buffer)
return -EINVAL;
pdx::LocalHandle ready_fence;
int result =
read_buffer->read_buffer->Acquire(&ready_fence, meta, meta_size_bytes);
*ready_fence_fd = ready_fence.Release();
return result;
}
int dvrReadBufferRelease(DvrReadBuffer* read_buffer, int release_fence_fd) {
if (!read_buffer || !read_buffer->read_buffer)
return -EINVAL;
pdx::LocalHandle fence(release_fence_fd);
int result = read_buffer->read_buffer->Release(fence);
return result;
}
int dvrReadBufferReleaseAsync(DvrReadBuffer* read_buffer) {
if (!read_buffer || !read_buffer->read_buffer)
return -EINVAL;
return read_buffer->read_buffer->ReleaseAsync();
}
void dvrBufferDestroy(DvrBuffer* buffer) { delete buffer; }
int dvrBufferGetAHardwareBuffer(DvrBuffer* buffer,
AHardwareBuffer** hardware_buffer) {
if (!buffer || !buffer->buffer || !hardware_buffer) {
return -EINVAL;
}
return ConvertToAHardwareBuffer(buffer->buffer->buffer().get(),
hardware_buffer);
}
// Retrieve the shared buffer layout version defined in dvr_shared_buffers.h.
int dvrBufferGlobalLayoutVersionGet() {
return android::dvr::kSharedBufferLayoutVersion;
}
const struct native_handle* dvrWriteBufferGetNativeHandle(
DvrWriteBuffer* write_buffer) {
if (!write_buffer || !write_buffer->write_buffer)
return nullptr;
return write_buffer->write_buffer->native_handle();
}
const struct native_handle* dvrReadBufferGetNativeHandle(
DvrReadBuffer* read_buffer) {
if (!read_buffer || !read_buffer->read_buffer)
return nullptr;
return read_buffer->read_buffer->native_handle();
}
const struct native_handle* dvrBufferGetNativeHandle(DvrBuffer* buffer) {
if (!buffer || !buffer->buffer)
return nullptr;
return buffer->buffer->handle();
}
} // extern "C"
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