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/composer/v1_2/display_composer_type.h"
22 #include "foundation/log.h"
23 #include "sync_fence.h"
24
25 using namespace OHOS::HDI::Display::Composer::V1_2;
26
27 namespace OHOS {
28 namespace Media {
29 namespace Plugin {
30 const std::unordered_map<VideoScaleType, ScalingMode> scaleTypeMap = {
31 { VideoScaleType::VIDEO_SCALE_TYPE_FIT, ScalingMode::SCALING_MODE_SCALE_TO_WINDOW },
32 { VideoScaleType::VIDEO_SCALE_TYPE_FIT_CROP, ScalingMode::SCALING_MODE_SCALE_CROP}
33 };
34
GetScaleType(VideoScaleType scaleType)35 OHOS::ScalingMode GetScaleType(VideoScaleType scaleType)
36 {
37 if (!scaleTypeMap.count(scaleType)) {
38 return OHOS::SCALING_MODE_SCALE_TO_WINDOW;
39 }
40 return scaleTypeMap.at(scaleType);
41 }
42
43 constexpr int32_t DEFAULT_SURFACE_WIDTH = 640;
44 constexpr int32_t DEFAULT_SURFACE_HEIGHT = 480;
45 constexpr int32_t DEFAULT_SURFACE_STRIDE_ALIGN = 8;
46
SurfaceAllocator(sptr<Surface> surface)47 SurfaceAllocator::SurfaceAllocator(sptr<Surface> surface)
48 : Allocator(MemoryType::SURFACE_BUFFER),
49 surface_(surface)
50 {
51 requestConfig_ = {
52 DEFAULT_SURFACE_WIDTH, DEFAULT_SURFACE_HEIGHT, DEFAULT_SURFACE_STRIDE_ALIGN,
53 OHOS::HDI::Display::Composer::V1_2::PixelFormat::PIXEL_FMT_RGBA_8888,
54 BUFFER_USAGE_CPU_READ | BUFFER_USAGE_CPU_WRITE | BUFFER_USAGE_MEM_DMA, 0};
55 }
56
AllocSurfaceBuffer()57 sptr<SurfaceBuffer> SurfaceAllocator::AllocSurfaceBuffer()
58 {
59 if (!surface_) {
60 MEDIA_LOG_E("surface is nullptr");
61 return nullptr;
62 }
63 MEDIA_LOG_DD("width: " PUBLIC_LOG_D32 ", height :" PUBLIC_LOG_D32 ", align: " PUBLIC_LOG_D32
64 ", format: " PUBLIC_LOG_D32 ", usage: " PUBLIC_LOG_U64 ", timeout: " PUBLIC_LOG_D32,
65 requestConfig_.width, requestConfig_.height, requestConfig_.strideAlignment, requestConfig_.format,
66 requestConfig_.usage, requestConfig_.timeout);
67 OHOS::sptr<OHOS::SurfaceBuffer> surfaceBuffer = nullptr;
68 int32_t releaseFence = -1;
69 auto ret = surface_->RequestBuffer(surfaceBuffer, releaseFence, requestConfig_);
70 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK || surfaceBuffer == nullptr) {
71 if (ret == OHOS::SurfaceError::SURFACE_ERROR_NO_BUFFER) {
72 MEDIA_LOG_DD("buffer queue is no more buffers");
73 } else {
74 MEDIA_LOG_E("surface RequestBuffer fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
75 }
76 return nullptr;
77 }
78 if (surfaceBuffer->Map() != OHOS::SurfaceError::SURFACE_ERROR_OK) {
79 MEDIA_LOG_E("surface buffer Map failed");
80 surface_->CancelBuffer(surfaceBuffer);
81 return nullptr;
82 }
83 sptr<SyncFence> autoFence = new(std::nothrow) SyncFence(releaseFence);
84 if (autoFence != nullptr) {
85 autoFence->Wait(100); // 100ms
86 }
87 surface_->SetScalingMode(surfaceBuffer->GetSeqNum(), scalingMode_);
88 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
89 MEDIA_LOG_E("surface buffer set scaling mode failed");
90 surface_->CancelBuffer(surfaceBuffer);
91 return nullptr;
92 }
93 MEDIA_LOG_DD("request surface buffer success, releaseFence: " PUBLIC_LOG_D32, releaseFence);
94 return surfaceBuffer;
95 }
96
ReleaseSurfaceBuffer(sptr<SurfaceBuffer> & surfaceBuffer,bool needRender)97 void SurfaceAllocator::ReleaseSurfaceBuffer(sptr<SurfaceBuffer>& surfaceBuffer, bool needRender)
98 {
99 if (!needRender) {
100 auto ret = surface_->CancelBuffer(surfaceBuffer);
101 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
102 MEDIA_LOG_E("surface CancelBuffer fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
103 }
104 }
105 surfaceBuffer = nullptr;
106 }
107
Alloc(size_t size)108 void* SurfaceAllocator::Alloc(size_t size)
109 {
110 return nullptr;
111 }
112
Free(void * ptr)113 void SurfaceAllocator::Free(void* ptr) // NOLINT: void*
114 {
115 (void)ptr;
116 }
117
Config(int32_t width,int32_t height,uint64_t usage,int32_t format,int32_t strideAlign,int32_t timeout)118 void SurfaceAllocator::Config(int32_t width, int32_t height, uint64_t usage, int32_t format, int32_t strideAlign,
119 int32_t timeout)
120 {
121 requestConfig_ = {
122 width, height, strideAlign, format, usage, timeout
123 };
124 }
125
SetScaleType(VideoScaleType videoScaleType)126 void SurfaceAllocator::SetScaleType(VideoScaleType videoScaleType)
127 {
128 scalingMode_ = GetScaleType(videoScaleType);
129 }
130
UpdateSurfaceBufferScaleMode(sptr<SurfaceBuffer> & surfaceBuffer)131 void SurfaceAllocator::UpdateSurfaceBufferScaleMode(sptr<SurfaceBuffer>& surfaceBuffer)
132 {
133 auto ret = surface_->SetScalingMode(surfaceBuffer->GetSeqNum(), scalingMode_);
134 if (ret != OHOS::SurfaceError::SURFACE_ERROR_OK) {
135 MEDIA_LOG_E("update surface buffer scaling mode fail, ret: " PUBLIC_LOG_U64, static_cast<uint64_t>(ret));
136 }
137 }
138 } // namespace Plugin
139 } // namespace Media
140 } // namespace OHOS
141 #endif