1 /*
2 * Copyright (c) 2021-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #if !defined(OHOS_LITE) && defined(VIDEO_SUPPORT)
17
18 #define HST_LOG_TAG "SurfaceAllocator"
19
20 #include "plugin/common/surface_allocator.h"
21 #include "display_type.h"
22 #include "foundation/log.h"
23 #include "sync_fence.h"
24
25 namespace OHOS {
26 namespace Media {
27 namespace Plugin {
28 const std::unordered_map<VideoScaleType, ScalingMode> scaleTypeMap = {
29 { VideoScaleType::VIDEO_SCALE_TYPE_FIT, ScalingMode::SCALING_MODE_SCALE_TO_WINDOW },
30 { VideoScaleType::VIDEO_SCALE_TYPE_FIT_CROP, ScalingMode::SCALING_MODE_SCALE_CROP}
31 };
32
GetScaleType(VideoScaleType scaleType)33 OHOS::ScalingMode GetScaleType(VideoScaleType scaleType)
34 {
35 if (!scaleTypeMap.count(scaleType)) {
36 return OHOS::SCALING_MODE_SCALE_TO_WINDOW;
37 }
38 return scaleTypeMap.at(scaleType);
39 }
40
41 constexpr int32_t DEFAULT_SURFACE_WIDTH = 640;
42 constexpr int32_t DEFAULT_SURFACE_HEIGHT = 480;
43 constexpr int32_t DEFAULT_SURFACE_STRIDE_ALIGN = 8;
44
SurfaceAllocator(sptr<Surface> surface)45 SurfaceAllocator::SurfaceAllocator(sptr<Surface> surface)
46 : Allocator(MemoryType::SURFACE_BUFFER),
47 surface_(surface)
48 {
49 requestConfig_ = {
50 DEFAULT_SURFACE_WIDTH, DEFAULT_SURFACE_HEIGHT, DEFAULT_SURFACE_STRIDE_ALIGN,
51 PixelFormat::PIXEL_FMT_RGBA_8888, BUFFER_USAGE_CPU_READ | BUFFER_USAGE_CPU_WRITE | BUFFER_USAGE_MEM_DMA, 0};
52 }
53
AllocSurfaceBuffer()54 sptr<SurfaceBuffer> SurfaceAllocator::AllocSurfaceBuffer()
55 {
56 if (!surface_) {
57 MEDIA_LOG_E("surface is nullptr");
58 return nullptr;
59 }
60 MEDIA_LOG_DD("width: " PUBLIC_LOG_D32 ", height :" PUBLIC_LOG_D32 ", align: " PUBLIC_LOG_D32
61 ", format: " PUBLIC_LOG_D32 ", usage: " PUBLIC_LOG_U64 ", timeout: " PUBLIC_LOG_D32,
62 requestConfig_.width, requestConfig_.height, requestConfig_.strideAlignment, requestConfig_.format,
63 requestConfig_.usage, requestConfig_.timeout);
64 OHOS::sptr<OHOS::SurfaceBuffer> surfaceBuffer = nullptr;
65 int32_t releaseFence = -1;
66 auto ret = surface_->RequestBuffer(surfaceBuffer, releaseFence, requestConfig_);
67 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK || surfaceBuffer == nullptr) {
68 if (ret == OHOS::SurfaceError::SURFACE_ERROR_NO_BUFFER) {
69 MEDIA_LOG_DD("buffer queue is no more buffers");
70 } else {
71 MEDIA_LOG_E("surface RequestBuffer fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
72 }
73 return nullptr;
74 }
75 if (surfaceBuffer->Map() != OHOS::SurfaceError::SURFACE_ERROR_OK) {
76 MEDIA_LOG_E("surface buffer Map failed");
77 surface_->CancelBuffer(surfaceBuffer);
78 return nullptr;
79 }
80 sptr<SyncFence> autoFence = new(std::nothrow) SyncFence(releaseFence);
81 if (autoFence != nullptr) {
82 autoFence->Wait(100); // 100ms
83 }
84 surface_->SetScalingMode(surfaceBuffer->GetSeqNum(), scalingMode_);
85 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
86 MEDIA_LOG_E("surface buffer set scaling mode failed");
87 surface_->CancelBuffer(surfaceBuffer);
88 return nullptr;
89 }
90 MEDIA_LOG_DD("request surface buffer success, releaseFence: " PUBLIC_LOG_D32, releaseFence);
91 return surfaceBuffer;
92 }
93
ReleaseSurfaceBuffer(sptr<SurfaceBuffer> & surfaceBuffer,bool needRender)94 void SurfaceAllocator::ReleaseSurfaceBuffer(sptr<SurfaceBuffer>& surfaceBuffer, bool needRender)
95 {
96 if (!needRender) {
97 auto ret = surface_->CancelBuffer(surfaceBuffer);
98 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
99 MEDIA_LOG_E("surface CancelBuffer fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
100 }
101 }
102 surfaceBuffer = nullptr;
103 }
104
Alloc(size_t size)105 void* SurfaceAllocator::Alloc(size_t size)
106 {
107 return nullptr;
108 }
109
Free(void * ptr)110 void SurfaceAllocator::Free(void* ptr) // NOLINT: void*
111 {
112 (void)ptr;
113 }
114
Config(int32_t width,int32_t height,uint64_t usage,int32_t format,int32_t strideAlign,int32_t timeout)115 void SurfaceAllocator::Config(int32_t width, int32_t height, uint64_t usage, int32_t format, int32_t strideAlign,
116 int32_t timeout)
117 {
118 requestConfig_ = {
119 width, height, strideAlign, format, usage, timeout
120 };
121 }
122
SetScaleType(VideoScaleType videoScaleType)123 void SurfaceAllocator::SetScaleType(VideoScaleType videoScaleType)
124 {
125 scalingMode_ = GetScaleType(videoScaleType);
126 }
127
UpdateSurfaceBufferScaleMode(sptr<SurfaceBuffer> & surfaceBuffer)128 void SurfaceAllocator::UpdateSurfaceBufferScaleMode(sptr<SurfaceBuffer>& surfaceBuffer)
129 {
130 auto ret = surface_->SetScalingMode(surfaceBuffer->GetSeqNum(), scalingMode_);
131 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
132 MEDIA_LOG_E("update surface buffer scaling mode fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
133 }
134 }
135 } // namespace Plugin
136 } // namespace Media
137 } // namespace OHOS
138 #endif