Evolution-x/hardware_interfaces
1
0
Fork 0
mirror of https://github.com/Evolution-X/hardware_interfaces synced 2026-02-01 22:04:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Make the tv tuner hal use libdmabufheap instead of libion

Browse Source 
Let the TV tuner HAL allocate DMA-BUFs fds with libdmabufheap.
Devices supporting ION will continue to allocate from ION with the
change. Devices that are deprecating ION will be able to allocate from
the DMA-BUF heap framework instead. Both frameworks allocate DMA-BUFs,
hence no other changes are required in the handling of the fd.

Test: mma android.hardware.tv.tuner@1.0-service
Change-Id: Ic147ed83c9097be76162a86cd4f94d3b1c27a10f
This commit is contained in:
Hridya Valsaraju
2021-02-18 16:45:38 -08:00
parent 9717a37b6a
commit a46ca46be4
2 changed files with 10 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tv/tuner/1.0/default/Android.bp
View File

@@ -24,7 +24,7 @@ cc_defaults {
"libfmq",
"libhidlbase",
"libhidlmemory",
"libion",
"libdmabufheap",
"liblog",
"libstagefright_foundation",
"libutils",

16
tv/tuner/1.0/default/Filter.cpp
View File

@@ -16,9 +16,11 @@
#define LOG_TAG "android.hardware.tv.tuner@1.0-Filter"
#include "Filter.h"
#include <BufferAllocator/BufferAllocator.h>
#include <utils/Log.h>
#include "Filter.h"
namespace android {
namespace hardware {
namespace tv {
@@ -603,15 +605,15 @@ void Filter::detachFilterFromRecord() {
}
int Filter::createAvIonFd(int size) {
// Create an ion fd and allocate an av fd mapped to a buffer to it.
int ion_fd = ion_open();
if (ion_fd == -1) {
ALOGE("[Filter] Failed to open ion fd %d", errno);
// Create an DMA-BUF fd and allocate an av fd mapped to a buffer to it.
auto buffer_allocator = std::make_unique<BufferAllocator>();
if (!buffer_allocator) {
ALOGE("[Filter] Unable to create BufferAllocator object");
return -1;
}
int av_fd = -1;
ion_alloc_fd(dup(ion_fd), size, 0 /*align*/, ION_HEAP_SYSTEM_MASK, 0 /*flags*/, &av_fd);
if (av_fd == -1) {
av_fd = buffer_allocator->Alloc("system-uncached", size);
if (av_fd < 0) {
ALOGE("[Filter] Failed to create av fd %d", errno);
return -1;
}