1 #include "include/dvr/dvr_buffer.h"
2
3 #include <android/hardware_buffer.h>
4 #include <dvr/dvr_shared_buffers.h>
5 #include <private/dvr/consumer_buffer.h>
6 #include <private/dvr/producer_buffer.h>
7 #include <ui/GraphicBuffer.h>
8
9 #include "dvr_internal.h"
10
11 using namespace android;
12
13 namespace android {
14 namespace dvr {
15
CreateDvrBufferFromIonBuffer(const std::shared_ptr<IonBuffer> & ion_buffer)16 DvrBuffer* CreateDvrBufferFromIonBuffer(
17 const std::shared_ptr<IonBuffer>& ion_buffer) {
18 if (!ion_buffer)
19 return nullptr;
20 return new DvrBuffer{std::move(ion_buffer)};
21 }
22
23 } // namespace dvr
24 } // namespace android
25
26 namespace {
27
ConvertToAHardwareBuffer(GraphicBuffer * graphic_buffer,AHardwareBuffer ** hardware_buffer)28 int ConvertToAHardwareBuffer(GraphicBuffer* graphic_buffer,
29 AHardwareBuffer** hardware_buffer) {
30 if (!hardware_buffer || !graphic_buffer) {
31 return -EINVAL;
32 }
33 *hardware_buffer = reinterpret_cast<AHardwareBuffer*>(graphic_buffer);
34 AHardwareBuffer_acquire(*hardware_buffer);
35 return 0;
36 }
37
38 } // anonymous namespace
39
40 extern "C" {
41
dvrWriteBufferDestroy(DvrWriteBuffer * write_buffer)42 void dvrWriteBufferDestroy(DvrWriteBuffer* write_buffer) {
43 if (write_buffer != nullptr) {
44 ALOGW_IF(
45 write_buffer->slot != -1,
46 "dvrWriteBufferDestroy: Destroying a buffer associated with a valid "
47 "buffer queue slot. This may indicate possible leaks, buffer_id=%d.",
48 dvrWriteBufferGetId(write_buffer));
49 delete write_buffer;
50 }
51 }
52
dvrWriteBufferIsValid(DvrWriteBuffer * write_buffer)53 int dvrWriteBufferIsValid(DvrWriteBuffer* write_buffer) {
54 return write_buffer && write_buffer->write_buffer;
55 }
56
dvrWriteBufferGetId(DvrWriteBuffer * write_buffer)57 int dvrWriteBufferGetId(DvrWriteBuffer* write_buffer) {
58 if (!write_buffer || !write_buffer->write_buffer)
59 return -EINVAL;
60
61 return write_buffer->write_buffer->id();
62 }
63
dvrWriteBufferGetAHardwareBuffer(DvrWriteBuffer * write_buffer,AHardwareBuffer ** hardware_buffer)64 int dvrWriteBufferGetAHardwareBuffer(DvrWriteBuffer* write_buffer,
65 AHardwareBuffer** hardware_buffer) {
66 if (!write_buffer || !write_buffer->write_buffer)
67 return -EINVAL;
68
69 return ConvertToAHardwareBuffer(
70 write_buffer->write_buffer->buffer()->buffer().get(), hardware_buffer);
71 }
72
dvrReadBufferDestroy(DvrReadBuffer * read_buffer)73 void dvrReadBufferDestroy(DvrReadBuffer* read_buffer) {
74 if (read_buffer != nullptr) {
75 ALOGW_IF(
76 read_buffer->slot != -1,
77 "dvrReadBufferDestroy: Destroying a buffer associated with a valid "
78 "buffer queue slot. This may indicate possible leaks, buffer_id=%d.",
79 dvrReadBufferGetId(read_buffer));
80 delete read_buffer;
81 }
82 }
83
dvrReadBufferIsValid(DvrReadBuffer * read_buffer)84 int dvrReadBufferIsValid(DvrReadBuffer* read_buffer) {
85 return read_buffer && read_buffer->read_buffer;
86 }
87
dvrReadBufferGetId(DvrReadBuffer * read_buffer)88 int dvrReadBufferGetId(DvrReadBuffer* read_buffer) {
89 if (!read_buffer || !read_buffer->read_buffer)
90 return -EINVAL;
91
92 return read_buffer->read_buffer->id();
93 }
94
dvrReadBufferGetAHardwareBuffer(DvrReadBuffer * read_buffer,AHardwareBuffer ** hardware_buffer)95 int dvrReadBufferGetAHardwareBuffer(DvrReadBuffer* read_buffer,
96 AHardwareBuffer** hardware_buffer) {
97 if (!read_buffer || !read_buffer->read_buffer)
98 return -EINVAL;
99
100 return ConvertToAHardwareBuffer(
101 read_buffer->read_buffer->buffer()->buffer().get(), hardware_buffer);
102 }
103
dvrBufferDestroy(DvrBuffer * buffer)104 void dvrBufferDestroy(DvrBuffer* buffer) { delete buffer; }
105
dvrBufferGetAHardwareBuffer(DvrBuffer * buffer,AHardwareBuffer ** hardware_buffer)106 int dvrBufferGetAHardwareBuffer(DvrBuffer* buffer,
107 AHardwareBuffer** hardware_buffer) {
108 if (!buffer || !buffer->buffer || !hardware_buffer) {
109 return -EINVAL;
110 }
111
112 return ConvertToAHardwareBuffer(buffer->buffer->buffer().get(),
113 hardware_buffer);
114 }
115
116 // Retrieve the shared buffer layout version defined in dvr_shared_buffers.h.
dvrBufferGlobalLayoutVersionGet()117 int dvrBufferGlobalLayoutVersionGet() {
118 return android::dvr::kSharedBufferLayoutVersion;
119 }
120
121 } // extern "C"
122