From 5f244ea91d0f72c0287b24f796dabf90316e29bc Mon Sep 17 00:00:00 2001
From: "hezhiqiang19@huawei.com" <hezhiqiang19@huawei.com>
Date: Fri, 19 Jul 2024 13:54:30 +0000
Subject: [PATCH] add volume tool for c call

Signed-off-by: hezhiqiang19@huawei.com <hezhiqiang19@huawei.com>
Change-Id: I80f4464a370b8223ef49300ab607c572cc0bb963
---
 .../native/pulseaudio/modules/hdi/BUILD.gn    |  2 ++
 .../native/pulseaudio/modules/hdi/hdi_sink.c  |  1 +
 .../common/include/volume_tools_c.h           | 36 +++++++++++++++++++
 .../audio_service/common/src/volume_tools.cpp | 23 +++++++++++-
 4 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 services/audio_service/common/include/volume_tools_c.h

diff --git a/frameworks/native/pulseaudio/modules/hdi/BUILD.gn b/frameworks/native/pulseaudio/modules/hdi/BUILD.gn
index c3e1bc8437..5a3ea76ba9 100644
--- a/frameworks/native/pulseaudio/modules/hdi/BUILD.gn
+++ b/frameworks/native/pulseaudio/modules/hdi/BUILD.gn
@@ -36,6 +36,7 @@ config("hdi_config") {
     "../../../audioeffect/include",
     "../../../playbackcapturer/include",
     "../../../../../interfaces/inner_api/native/audiocommon/include",
+    "../../../../../services/audio_service/common/include",
   ]
 
   cflags = [
@@ -69,6 +70,7 @@ ohos_shared_library("module-hdi-sink") {
   ]
 
   deps = [
+    "../../../../../services/audio_service:audio_common",
     "../../../audioeffect:audio_effect",
     "../../../audioschedule:audio_schedule",
     "../../../audioutils:audio_utils",
diff --git a/frameworks/native/pulseaudio/modules/hdi/hdi_sink.c b/frameworks/native/pulseaudio/modules/hdi/hdi_sink.c
index 5c684cf899..a8a9b3d0a9 100644
--- a/frameworks/native/pulseaudio/modules/hdi/hdi_sink.c
+++ b/frameworks/native/pulseaudio/modules/hdi/hdi_sink.c
@@ -48,6 +48,7 @@
 #include "audio_schedule.h"
 #include "audio_utils_c.h"
 #include "audio_hdiadapter_info.h"
+#include "volume_tools_c.h"
 #include "renderer_sink_adapter.h"
 #include "audio_effect_chain_adapter.h"
 #include "playback_capturer_adapter.h"
diff --git a/services/audio_service/common/include/volume_tools_c.h b/services/audio_service/common/include/volume_tools_c.h
new file mode 100644
index 0000000000..637d2d9b03
--- /dev/null
+++ b/services/audio_service/common/include/volume_tools_c.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VOLUME_TOOLS_C_H
+#define VOLUME_TOOLS_C_H
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct  AudioRawFormat {
+    uint32_t format; // should be same with AudioStandard::AudioSampleFormat in audio_stream_info.h
+    uint32_t channels; // should be same with AudioStandard::AudioChannel in audio_stream_info.h
+} AudioRawFormat;
+
+int32_t ProcessVol(uint8_t *buffer, size_t length, AudioRawFormat rawformat, float volStart, float volEnd);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VOLUME_TOOLS_C_H
\ No newline at end of file
diff --git a/services/audio_service/common/src/volume_tools.cpp b/services/audio_service/common/src/volume_tools.cpp
index 4ded653774..eddd216a22 100644
--- a/services/audio_service/common/src/volume_tools.cpp
+++ b/services/audio_service/common/src/volume_tools.cpp
@@ -16,6 +16,7 @@
 #define LOG_TAG "VolumeTools"
 
 #include "volume_tools.h"
+#include "volume_tools_c.h"
 #include "audio_errors.h"
 #include "audio_log.h"
 
@@ -219,4 +220,24 @@ int32_t VolumeTools::Process(const BufferDesc &buffer, AudioSampleFormat format,
     return SUCCESS;
 }
 } // namespace AudioStandard
-} // namespace OHOS
\ No newline at end of file
+} // namespace OHOS
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+using namespace OHOS::AudioStandard;
+
+int32_t ProcessVol(uint8_t *buffer, size_t length, AudioRawFormat rawformat, float volStart, float volEnd)
+{
+    BufferDesc desc = {0};
+    desc.buffer = buffer;
+    desc.bufLength = length;
+    desc.dataLength = length;
+    ChannelVolumes mapVols = VolumeTools::GetChannelVolumes(static_cast<AudioChannel>(rawformat.channels), volStart,
+        volEnd);
+    return VolumeTools::Process(desc, static_cast<AudioSampleFormat>(rawformat.format), mapVols);
+}
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
-- 
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