Mediacodec start. I am using this code.
Mediacodec start Improve this answer. I used filedescriptor but got IllegalStateException when starting Jul 28, 2017 · 调用 MediaCodec. Initially I wanted to do it using a library like mp4parser but it can only cut streams at sync (IFRAME) In any case Codecs allow you to play different formats of audio and video files. * * <p>MediaCodec is generally used like this: * In order to start decoding data Mar 12, 2024 · If I enable Mediacodec (Surface) -- HDR plays properly, BUT video stutters. MediaCodec is generally used like this: codec. Look Jun 25, 2024 · You can request a periodic key frame by setting the KEY_I_FRAME_INTERVAL key when configuring the encoder. I can extract the audio file in AAC format from the Oct 16, 2018 · I set an MediaCodec to null immediately after it is released, but I can imagine situations where checking null still misses it because there are so many different threads using Mar 7, 2013 · I use the MediaCodec class provided by the Android SDK since API level 16 with the OMX. Some note: Try to detect the appropriate Color Format instead of setting a fixed value; Some old devices like Pixel 3 don't Dec 14, 2024 · MediaCodec basics and how to decode a video with it. CONFIGURE_FLAG_ENCODE) //val inputSurface = To start, I'm trying to manually parse the NAL units out of an H. finalize() timed out after 10 seconds. cpp. Aug 14, 2024 · I have a very interesting problem. 3 (API 18) has two new features that may be useful. Here post some source-code in NdkMediaCodec , we can know the error-code MediaCodec class can be used to access low-level media codec, i. Hopelly someone will publish a class they already have. 39. Jun 30, 2016 · Yea but after adding prepare i get this statement which points to my recorder. TunnelModeChildSessionParams. Data type describing an cropped After successfully configuring the component, call start. KEY_COLOR_FORMAT, CodecCapabilities. class _MealPlannerState extends State Apr 26, 2022 · MediaCodec的使用者应该认为input和output没有对应关系，使用者的角色是完全被动的，把Buffer的使用权交给MediaCodec. 264 bitstream data with start codes and has interleaved SPS/PPS. Ask Question Asked 5 years, 2 months ago. Asking for help, clarification, Mar 20, 2018 · 使用MediaCodec和MediaMuxer We can't add the video track and start() the muxer here, // because our MediaFormat doesn't have the Magic Goodies. However, Oct 1, 2013 · The signalEndOfInputStream() call updates the state of various layers in the MediaCodec stack. And I'm sure that LAN and WiFi is alright, other player plays Jan 29, 2021 · Introduction. aac. Provide details and share your research! But avoid . android / platform / cts / 0ddba6a / . 3. Meamwhile, They all work well with elder release 93. Most are included out of the box; some additional codecs can be installed 调用 MediaCodec. Modified 5 years, 2 months ago. MediaCodec class can be used to access low-level media codec, i. As per the document, . start() 方法 Codec才会进入 Running 子状态。 其他情况 codec. I convert *raw file to wav next way: private void copyWaveFile(String inFilename,String Feb 16, 2018 · I am trying to stream live video in android. After successfully configuring the component, call start. Is there a way to do that without using any 3rd Feb 13, 2018 · However, it seems the test content is too small. I have a built-in screen recording on my phone and from the very beginning it doesn’t work, maybe it’s somehow related, but third-party May 18, 2016 · MediaCodec->start() MediaCodec->queuesecureinputbuffer(,with cryptoinfo,) MediaCodec->dequeoutputbuffer() to get the decoded data back. / media / jni / android_media_MediaCodec. I believe I'm parsing the NAL units out of the file correctly The K-Lite Codec Pack is a free software bundle for high quality playback of all your music and video files. also i am using Galaxy Apr 18, 2021 · I managed to cross-compile ffmpeg using the NDK for armv8a api 27 with MediaCodec hardware acceleration support. AAB (Android App Bundle) format as the default for publishing apps on the Google Play Store, developers are often Jun 7, 2015 · Then I found the MediaCodec, FFmpeg and JavaCV. An AMediaFormat object must also be created, and that is used to configure the codec (configure). configure Jun 27, 2016 · void ff_AMediaFormat_setBuffer(FFAMediaFormat *format, const char *name, void *data, size_t size) Jul 10, 2024 · In my app I'm trying to upload some videos that the user picked from gallery. Introduction. android; Share. In my view, there could be an issue that SPS and PPS may not have the I’m encountering an issue with Flutter’s video_player package while trying to play a video on Android. media. 1，and the exception log is as follows: 2021 May 29, 2024 · Remarks. start(); function java. what's the current ExoPlayer Aug 5, 2021 · New video decoder instance not created when manually initiating to start another stream before the current ends -- using hardware acceleration - MediaCodec #20021. MediaCodec. Enjoy Start > Settings > Apps > Apps & Features > Optional Features > Add a feature > Media Feature Pack. Can you expose some kind of API which will release any resources related to the MediaCodec, issue 模版 使用demo项目播放动画，demo里的动画可以播放，但是我们自制的vap动画播放失败 荣耀x30 Android 10 sdk最新版本 用的是github上demo 相关日志如下 12-20 14:50:10 23838 Mar 7, 2014 · As you note in the question, the key frames appear every KEY_I_FRAME_INTERVAL * KEY_FRAME_RATE frames. 264 / avc coded Sign in. format. Lan Jul 26, 2024 · I am using Audio Recorder for Record Audio up to Android OS 13 it was working fine but with Android OS 14, it is not working properly. MediaCodec is generally used like this: In order to start decoding data that's Fragments are defined by the arbitrary start time and end times. As such, it provides a Using a codec through the MediaCodec API starts with creating an AMediaCodec object (create). / tests / tests / media / src / android / media / cts / MediaCodecBlockModelTest. Big mp4 file on disk -> Apr 14, 2022 · 如上图所示，三种状态的切换都是由 start、stop、reset、release 等触发，根据 MediaCodec 处理数据方式的不同，其生命周期会略有不同，如在异步模式下 start 之后立即进入 Running 子状态，如果已经处于 Flushed 子状 Aug 1, 2017 · I'm trying to write a simple video encoder that uses the Android platform's MediaCodec class in "surface input" mode. Java MediaCodec is a low-level API in Android used for encoding and decoding audio and video data. 264 & stereo audio). I have an eglSurface, and the source surface of that eglSurface is MediaCodec input surface. It was added to allow direct access to the media codecs on the device. 3987. On adding 4th decoder to Oct 26, 2023 · I read and tried many solutions and finally solved this. The Executing state has three sub-states: Flushed, Running and End-of-Stream. java. It provides access to hardware-accelerated codecs, allowing developers to Overview The MediaCodec class first became available in Android 4. start(Native Method) – Sahil Sawhney Jan 22, 2019 · When I use Android media-codec to encode video to h264 format, I found that encode one frame of 1280 * 720 YUV420P raw image need about 10ms but one frame of 640 * May 29, 2024 · Java documentation for android. 264 stream on my android phone. Quote of the day If you lose a connection, You can always retrieve it back. The following is Jan 22, 2016 · This way, there's always more than one input buffer available for the encoder to start working on, to keep it busy to actually achieve the frame rate that it is capable of. MediaCodec encoder sample. Windows 10 version 1809: Download Windows 10 version 1803: I would like to encode a set of Bitmaps that I have into an h264. Even if the client does not receive AsyncNotifyCallback::on_input_available Nov 20, 2013 · The MediaCodec decoder requires an H. configure It seems that the issue here is that the API gives you the illusion that decoding would be synchronous - it isn't. Asking for help, clarification, or responding to other answers. I'm not sure why you're trying to do restart it though -- you can just leave it Note: care must be taken if the codec is flushed immediately or shortly after start, before any output buffer or output format change has been returned, as the codec specific data may be MediaCodec Crashes on call to start() 0. So if you want a GOP size of 15, Apr 16, 2021 · 원인 간헐적으로 발생하는 문제로 scrcpy 장치의 하드웨어 인코더가 지정된 정의로 인코딩 할 수 없을때 발생한다. Run the media codec in a loop. Questions: Can i play video of this format in exoplayer? Which library should i use to stream live video? Code to play a Sep 19, 2024 · After upgrading Android WebView to 80. Immediately after start() the codec is in the Flushed sub Oct 28, 2024 · Here, the display color format is hardcoded to SDL_PIXELFORMAT_YV12, which may not align with the actual encoder output. 1 (API 16). encoder/decoder components. . Returns the index of an output buffer that has been successfully decoded or one May 6, 2021 · I am trying to convert my JPEG frames into a MP4 video, but I have this error/warning showed on Logcat when I call the configure on the MediaCodec object: Nov 9, 2014 · I am not able to understand how MediaCodec comes into picture. 0. createEncoderByType(mMime); MediaFormat mMediaFormat = Skip to main The MediaCodec discards its configuration when stopped, so you will need to call configure() again. 264 file and feed them to MediaCodec for decoding. I am using this code. You will encounter problems with buffer alignment, color spaces, and the need to use different YUV Dec 21, 2021 · Thanks for reporting. Like, tiny lags every few seconds. 4606. configure(mediaFormat, null, null, MediaCodec. blob Jun 21, 2013 · I use this code String mMime = "audio/3gpp"; MediaCodec mMediaCodec = MediaCodec. Follow Jul 2, 2014 · I am using the combination of AudioTrack, MediaCodec and MediaExtractor to decode and play music. I want to live stream camera feed to the server and I hope I will get ByteBuffer in onOutputBufferAvailable(). ===== java. enc encoder to encode audio to a file. In my case everything was working find but the problem was with dependency of the dash module. Now I want convert audio raw file to *flac format. I tried 3 simultaneous video(h264) decoders using MediaCodec APIs on 3 SurfaceViews. Details - H264 - Mp4 format - demuxed. Using root after setting permissions, folders and Jan 29, 2022 · OK, if screenrecord does not work, then there's definitely a bug in the ROM. * Otherwise JMediaCodec::~JMediaCodec() might be called Oct 16, 2021 · Describe the bug The web media players play video failed on some device, latest release 94. I'm going to reference the following Q/A: sync audio and video with mediacodec and mediamuxer Since the information is lost: in order to sync audio and video Aug 13, 2021 · You signed in with another tab or window. start() 方法 Codec才会进入 Running 子状态。 其他情况 Jul 2, 2024 · I recording audio with class audoiRecord. So a sample URL doesn't help here. 4577. RuntimeException: start failed. (If you Apr 1, 2016 · From Grafika project, file DoubleDecodeActivity. Ask Question Asked 10 years, 10 months ago. I created a ScreenshareService to handle the screen sharing process. Also, it is worth reading the MediaCodec documentation. Is this possible via MediaEncoder? I have written some code in order to do it, but the output cannot be played in Android MediaCodec fails to start. setInputSurface(surface) codec. Thats part of program code: MediaCodec mMediaCodec = MediaCodec. COLOR_FormatSurface ) //I tried 如上图所示，三种状态的切换都是由 start、stop、reset、release 等触发，根据 MediaCodec 处理数据方式的不同，其生命周期会略有不同，如在异步模式下 start 之后立即进入 Running 子状态，如果已经处于 Flushed 子状 How HEVC Video Works on Windows 10 HEVC video is becoming more popular. ImageReader is for reading raw pixel data out of a Surface, while MediaCodec is for encoding and decoding. Lan Nguyen. One difficulty with such streams is that the H. In the example below I am requesting one every two Nov 11, 2013 · The YUV formats used by Camera output and MediaCodec input have their U/V planes swapped. Eliminate the first by using Aug 29, 2023 · I want to save my MediaMuxer data in memory. createDecoderByType(mimeType); // Pass an instance on MediaFormat and the I am trying to use the MediaCodec API for decoding without using the MediaExtractor API samples from the mp4 files. First, the MediaCodec class accepts input from a Surface, so anything you can decode to a Surface or Nov 24, 2024 · i fix this platform exception issue. The problem is that usually the android video files are too big to upload and so- we want to Jul 20, 2016 · The MediaRecorder. The commit that fixes this issue is pushed in the main dev branch (see 5721208) and will be included in the next release. The sample I could find is Jul 16, 2013 · I need to convert audio file from PCM to AMR and I tried to make it with MediaCodec from Android API 16+. Basically inside the application User Jun 21, 2013 · Thank you for your focus! I want to use Android MediaCodec APIs to encode the video frame which aquired from Camera, unfortunately, I have not success to do that! I still not Dec 11, 2018 · Thanks for this. And I tried to get the outputs and render them. Viewed 3k times Part of Mobile Development Collective 5 . Share. MediaCodec. flash() 方法进入 Flushed 子状态后，必须调用 MediaCodec. After this, the codec can be started (start). flush(). I Dec 2, 2024 · I'm trying to implement screen sharing functionality using the . I checked this article Android: MPEG4Writer fails to start when using OMXCodec as MediaSource but still not Jul 2, 2024 · I'm trying to encode video from camera and audio from microphone using MediaCodec and MediaMuxer. I want to trim the video that was recorded by the media projection. but i got wrong display image in onOutputBufferAvailable. GitHub Gist: instantly share code, notes, and snippets. VOICE_CALL); The reason why Dec 9, 2020 · i would like to record screen with MediaCodec and MediaProjection. Improve this question. 当调用 MediaCodec. 3 (API 18) provides an easy solution. I would like to convert this mp4 file to an audio file in PCM format. MediaCodec的使用者应该认为input和output没有对应关系，使用者的角色是完全被动的，把Buffer的使用权交给MediaCodec. 异步方式. SEC. Become familiar with the Media Codec API basics by learning about: Initialize a media codec for use. It is easy to use, but also very flexible with many options. KEY_COLOR_FORMAT, Jun 8, 2016 · Information about the Android MediaCodec class, with sample code. The reason is fails for me is "Unsupported WxH = (32)x(32) supported range is min(64)x(64) - max(4096)x(4096)". I use OpenGL to overlay text on the image while recording. I got an IllegalStateException on calling it's Dec 13, 2021 · IMediaCodecProxy is a proxy of MediaCodec, its methods signature equals MediaCodec; What IMediaCodecPool is a pool to keep all configured/started mediaCodec Jun 16, 2020 · I am building a streaming app. I am facing a problem, here is code. You can get some sense of what operations are valid from the comments Mar 8, 2021 · Thanks for the comment. Making May 23, 2019 · @AquilesCanta: This is something that is not 100% reproducible with a single playback URL. But I have to When processing streaming live video from a camera I Sep 23, 2015 · There are two basic possibilities: (1) the source material is incompatible with the MediaCodec codec; (2) your player is doing something wrong. 1. To initialize a media mediaCodec. These can only be Jan 29, 2013 · I'm new to android development. ConfigRequestIpv4Address TunnelModeChildSessionParams. Call start also if the codec is configured in asynchronous mode, and it has just been flushed, to resume * Persistent surface can be reused by MediaCodec instances and can be set * on a new instance via AMediaCodec_setInputSurface(). setAudioSource(MediaRecorder. / tests / tests / media / src / android / media / cts / MediaCodecTest. INFO: Finishing recording [server] ERROR: Exception on May 8, 2015 · MediaCodec class can be used to access low-level media codec, i. I Sep 29, 2016 · I'm trying to use mediaCodec for creating mp4 video from openGl ES surface. 从创建到Start过程 Android 4. Fill the media_packet with data. 用MediaCodec来编解码一个视频到SurfaceView显示. AImage is an opaque type that provides access to image generated by AImageReader. blob Jul 5, 2016 · From the MediaCodec documentation. java So far I am able to setup a MediaCodec to encode a video stream. Android MediaCodec stuff Last update: 2016-06-08. recorder. For that I use Jlayer for android to decode mp3, audiotrack to play song, and Sep 14, 2020 · Thanks for your answer. 15. I think we tried to support the eye index variable but it either wasn’t set by Unity, or there was no way to detect either single or Android 远控服务端源码解析. Sign in. I use android Bitmap objects of the user For my Quadcopter project I'm triying to display a raw H. 264 streams. Equally it could be odd Jun 5, 2024 · I created an app which records video from camera without sound 10 seconds. In order to Dec 17, 2013 · Set the start frame MediaCodec. Dynamic Color Format Detection: Is Mar 12, 2015 · Media samples contain H. * encoder/decoder components. Questions. 264 elementary stream, and wants one access unit per buffer. createEncoderByType("video/avc"); mMediaCodec. I forgot to Mar 9, 2016 · I am trying to decode a video from a file and encode it into a different format with MediaCodec in the new Asynchronous Mode supported in API Level 21 and up (Android OS Jul 21, 2015 · I'm need to play a video stream using GLSurfaceView. start() I am suspecting the setInteger( MediaFormat. I learn from this question and made the same Mar 5, 2014 · I think you migth be missed some of the params. The input stream comes from a TCP connection. ConfigRequestIpv4DhcpServer After searching for many times, I still have no idea for Error-code -10000 in MediaCodec. at android. Use start() and stop() It will select the best codec for this mime type MediaCodec mDecoder = MediaCodec. Follow edited Dec 4, 2015 at 7:41. 从创建到Start过程 Sign in. The video player fails to initialize with the following error: Feb 13, 2019 · MediaCodec and ImageReader aren't two alternative approaches for doing the same thing. I was Nov 14, 2020 · Running a HUAWEI P30 LITE device, From 2019, If you need all my pc specs or phone specs then go on. But I've already solved the issue. ", therefore you wouldn't be able to 问题描述： EXO内核陆续播放十几个视频后，会偶现播放错误后无法解码，导致应用内所有播放器都无法播放，有声音无画面 Sep 24, 2023 · I'll try to start the video encoder, but my code constantly fails to configure. Color format is important here . The Problem and Solution are in the controller usage and release. Viewed 92 times Part of Mobile Development Collective 0 I Mar 13, 2017 · I'm trying to record the screen with MediaProjection API. configure(format, ); Media error message types returned from NDK media functions. MediaCodec crash on high quality stream. If you are able to move the data through a Surface you can avoid this issue; Jan 20, 2014 · The Android MediaPlayer doesn't handle raw H. Anybody can help me what is the actual procedure to do that. 56. IllegalStateException: start failed at . asked Dec 4, 2015 at 7:22. These are the steps I'm following (supporting code Oct 9, 2021 · old issues:#8643 Is there a fix for this Issues? My code has similar errors on some machines, I am using EXOPlayer version is 2. 264 SPS/PPS data to the configurations . 99 version, Android TV is not playing live HLS videos anymore (h264) on WebView based app (ionic 4). However, while parsing it is unclear whether or not I should include Dec 1, 2018 · I believe it's because of the lack of hardware codecs in this rom, as the OP said " - No Hardware video codecs, so no 720p and higher support. MediaRecorder. Call start also if the codec is configured in asynchronous mode, and it has just been flushed, to resume requesting input buffers. Closed Sep 6, 2024 · I know the problem is solved here. The MediaCodec class now accepts input from Surfaces, which means you can connect the camera's Surface preview to K-Lite Codec Pack is a free software bundle for playing all your audio and video files. I get the audio input from the Dec 16, 2023 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Sep 30, 2024 · i found that i have to add CSD-0 and CSD-1 to MediaCodec config but i do not know how to add H. But the color is not correct. We’ll have to take another look. lang. this is code i was found , but it's Nov 5, 2014 · I have question about Android decode mp3, mix few audio and encode to m4a (aac). Modified 10 years, 10 months ago. start() 方法启动Codec，Codec会直接转入 Running 子状态； 2. android. i managed to extract video frames using mediacodec decoder as NV21 buffer and save them, then i create mp4 file from frames Jul 2, 2024 · There is no simple way to do this in API 16 that works across all devices. here is the imp part of the code. setInteger(MediaFormat. NET MAUI Blazor framework. dequeueOutputBuffer() method, which says:. Each sample contains one complete picture, either one field or one frame. Reload to refresh your session. But the MediaCodec is used Synchronously in the current code, which is deprecated as of now. iPhones now record videos in HEVC by default, and 4K UHD Blu-rays also use HEVC. Media Player supports a wide variety of codecs. createEncoderByType(mMime); MediaFormat mMediaFormat = Skip to main Feb 28, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Oct 29, 2023 · As title says, YouTube kids is crashing whenever you try and voice search (text search works fine but my 5yr old isn't a spelling wiz so voice is May 28, 2013 · Android 4. 4. * A persistent surface can be connected to at most one Oct 30, 2019 · I need to create videos with data hidden in them. Portions of this page are modifications based on work created and shared by the Android Open Source Project and Jun 19, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Sep 13, 2024 · This project is deprecated I understand this project is deprecated, that I should file my issue in the Media3 issue tracker instead of here, and this issue will be closed with no May 5, 2017 · Using MediaExtractor and MediaCodec you can decode your 3gp (or any other supported mime type) into a series of PCM-16bit (mime audio/raw) buffers and from that you can subsample to obtain your desired amplitude Nov 15, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. FFmpeg and JavaCV could solve this problem. You signed out in another tab or window. Vista x64 uses the 32bit Media Player by default so everyone needs the 32bit version regardless, If you want to use the 64bit Media Player just install both 32bit and 64bit I am trying to use MediaCodec to record raw frames from ImageReader in onImageAvailable callback but unable to write a working code. I am running custom movie player based on NDK/C++/CMake toolchain that opens streaming URL (mp4, H. AudioSource. When After calling MediaCodec::flush(), the client must call MediaCodec::start() to “resume” receiving input buffers. When you give the decoder one input packet, it will start I am trying to decode a video from a file and encode it into a different format with MediaCodec in the new Asynchronous Mode supported in API Level 21 and up (Android OS MediaCodec is an API, the actual implementation of which is handled by the underlying codec. start method fails in your case, due to this :. Operating system: May 13, 2019 · I have an mp4 file with only one audio track in AAC format. android / platform / frameworks / base / 56a2301 / . I've started a bounty on this question. I did some researche in how I use this code String mMime = "audio/3gpp"; MediaCodec mMediaCodec = MediaCodec. 264 NAL units don't have timestamp information, so unless the Nov 11, 2023 · I'm trying to make a media player on android as part of an android auto media player using ExoPlayer3. I dump the outputbuffer to file and open it with /* MediaCodec and looper should have been released explicitly already * in setMediaCodec() (see comments in setMediaCodec()). For now, i am only using h. MediaCodec * MediaCodec class can be used to access low-level media codec, i. blob: f8c945b1b5c313a0fcbaa2e8b3655e3da053c929 [] [] [] Jun 15, 2015 · The MediaCodec API is quite obscure and undocumented. The aim is to save my user generated artwork into a video file. I'm trying to write a video compressor application for android phones that runs on jellybean version. MediaCodec is generally used like this: However, if you This bug was filed from the Socorro interface and is report bp-f96366d6-dfc1-4677-af76-f5c6f2141024. After MediaCodec starts, i expect to see the display image. Overview; It is strongly recommended that you Dec 20, 2023 · With the rise of the . You switched accounts Jun 13, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. MediaCodec is a low-level API in Android used for encoding and decoding audio and video Oct 22, 2016 · Please see the documentation for the MediaCodec. android / platform / cts / refs/heads/android10-release / . In order to start decoding data that's not Dec 4, 2015 · It seems MediaCodec is hard to use and not popular. It is very flexible, easy to use, and provides high quality playback. I'm using MediaCodec API. Sure, we may lose a few frames, but it isn't noticable to the user and doesn't cause any issues so we are going to keep it as is. I have a slider which controls the playback position of the player Oct 22, 2019 · the problem is when mp4 video has METADATA_KEY_VIDEO_ROTATION == 90 the width and height of frames has been transposed so the video that i made from bitmaps Sign in. e. android / platform / cts / android11-release / . Contribute to king54346/scrcpy-server development by creating an account on GitHub. htqsk tkpel fitbz wkue cfdpz zso vsvuo otchia kdqoc jboisxey