# light-android-audio

**Repository Path**: jansonshen2016/light-android-audio

## Basic Information

- **Project Name**: light-android-audio
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: LGPL-2.1
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-08-17
- **Last Updated**: 2024-08-17

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# [Android] Light Sound-system

----

<p align="center">
	<a margin="20px 0" href="https://github.com/Mercandj/light-android-audio/tree/master/soundsystemnative/src/main/jni">
		<img  src="https://raw.github.com/Mercandj/light-android-audio/master/screenshot.png" width="560" />
	</a>
</p>

## Extract + Decode


### Techno

* OpenSL
* MediaCodec
* FFmpeg

### Benchmark 

Result are avg on 2, 3 launches...
Extract and decode from internal storage the tracks:
 * `app/src/main/assets/over_the_horizon.aac`
 * `app/src/main/assets/over_the_horizon.mp3`
 * `app/src/main/assets/over_the_horizon.wav`


#### Benchmark (with avcodec, avformat, avutil, swresample)

| Pixel 8.0.0 op3 | FFmpeg 1 Native thread | FFmpeg 1 Java prio thread |
|-----------------|------------------------|---------------------------|
| AAC             | 00.9s                  | 1.00s                     |
| MP3             | 1.18s                  | 1.23s                     |
| WAV             | 0.57s                  | 0.60s                     |


#### Benchmark deprecated (old [libffmpeg.so](https://github.com/tuarua/FFmpeg-for-Android-Prebuilt) files)

| Device \ Techno on AAC       | OpenSL 1 Native thread | MediaCodec 1 Native thread | FFmpeg 1 Java prio thread |
|------------------------------|------------------------|----------------------------|---------------------------|
| Pixel 8.0.0 op3              | 90.0s                  | 20.0s                      | 01.0s                     |
| Nexus 5X 8.0.0 op3           | 118 s                  | 42.0s                      | 04.2s                     |  
| Samsung gs7 SM-G930T 7.0     | 116 s                  | 27.0s                      | 01.1s                     |
| Samsung tab s2 SM-T810 6.0.1 | 05.4s                  | 04.3s                      | 01.9s                     |
| Nexus 5 5.1.1                | 05.7s                  | /                          | 03.2s                     |
| Wiko FEVER 6.0               | /                      | /                          | /                         |

| Device \ Techno on MP3       | OpenSL 1 Native thread | MediaCodec 1 Native thread | FFmpeg 1 Java prio thread |
|------------------------------|------------------------|----------------------------|---------------------------|
| Pixel 8.0.0 op3              | 75.0s                  | 18.0s                      | 01.5s                     |
| Nexus 5X 8.0.0 op3           | 99.0s                  | 30.0s                      | 01.9s                     |
| Samsung gs7 SM-G930T 7.0     | 71.0s                  | 35.0s                      | 01.5s                     |
| Samsung tab s2 SM-T810 6.0.1 | 04.9s                  | 03.6s                      | 02.5s                     |
| Nexus 5 5.1.1                | 04.5s                  | 07.5s                      | 06.0s                     |
| Wiko FEVER 6.0               | crash                  | 04.0s                      | 03.0s                     |

| Device \ Techno on WAV       | OpenSL 1 Native thread | MediaCodec 1 Native thread | FFmpeg 1 Java prio thread |
|------------------------------|------------------------|----------------------------|---------------------------|
| Pixel 8.0.0 op3              | 00.3s                  | 01.9s                      | 00.7s                     |
| Nexus 5X 8.0.0 op3           | 00.5s                  | 01.7s                      | 02.7s                     |
| Samsung gs7 SM-G930T 7.0     | 01.9s                  | 05.5s                      | 00.8s                     |
| Samsung tab s2 SM-T810 6.0.1 | 00.1s                  | 01.4s                      | 01.4s                     |
| Nexus 5 5.1.1                | 00.3s                  | 01.0s                      | 02.2s                     |
| Wiko FEVER 6.0               | /                      |     s                      |     s                     |


----

## Player

* OpenSL
* AAudio API >= 26

----

## Source
 
 * https://github.com/bowserf/Mini-sound-system
 * https://github.com/googlesamples/android-audio-high-performance/tree/master/aaudio