similar to: 1276 Bytes returned by opus_encode

Hi all, i try to set up something like a mixer and soundbridge. There are several sender clients which sends opus encoded audiostreams. One basestation is decoding the streams and mixing them all together. After that, the resulting stream is encoded with opus again and send to one or two receiving clients. Opus is set up to encode 10ms packets in stereo with 16bit per sample and 44kHz. So,

Hi everybody I wrote a couple of months ago about implementing the opus codec on a DK52 from Nordic (nrf52832 MCU, Cortex M4). In the meantime I got a bit further and would again like to ask some questions. My settings: I included all the opus files into my project (opus-1.2.1) Defined: FIXED POINT, VAR_ARRAYS, DISABLE FLOAT API, OPUS_BUILD, CELT_MODE_ONLY I am able to allocate enough memory

Hi all, i am trying convert pcm (16bit pcm) stereo file to mono pcm file using opus_encode and opus_decode, i am able do this but i have doubt about TOC byte after opus encode. below is how encoder and decoder structures are used to do encode and decode file opus_encoder_create(8000, 2, OPUS_APPLICATION_AUDIO, &err); opus_decoder_create(8000, 1, &err); after opus encode bits looks like

I wrote a proof of concept regarding the cpu capabilities runtime detection and choice of optimized function. I follow design which had been discussed on IRC. Also, i notice a little drawback: we must propagate the arch index through functions which don't have codec state as argument. However, if it's look good, i will continue to implement it. Best regards, -- Aur?lien Zanelli

Hi All, We are using libopus 1.0.2 lib version currently and observing one crash issue in opus_encode() function some times. ------------------------------------------- (gdb) bt #0 0x00007fcdf7c90ea2 in opus_encode () from /usr/lib64/libopus.so.0 -------------------------------------------- Anybody faced this problem earlier and have any idea whether its solved in the latest version libopus

Hello! I have been using int iByteSizeEncoded = opus_encode(m_enc, m_ShortRawInput,960,m_EncodedBytes, 4000); iByteSizeEncoded was 120 as expected. Now when I double the frame size... int iByteSizeEncoded = opus_encode(m_enc, m_ShortRawInput,960*2,m_EncodedBytes, 4000); ... iByteSizeEncoded is not 240 as expected, but 239. This seems really odd to me since 239 bytes could not even be

Hello, there is a chance for an integer overflow in opus_packet_parse_impl(): int padding=0; int p; do { if (len<=0) return OPUS_INVALID_PACKET; p = *data++; len--; padding += p==255 ? 254: p; } while (p==255); len -= padding; ... if (len<0) return OPUS_INVALID_PACKET; When ~16 MB of 0xff bytes is fed to the decoder, the padding

Hello Ralph, > Likewise opus_encode() takes 16 bit samples, so you need to extend each > sample from an 8 bit source before encoding. Two questions 1. In opusenc.c which API does the extending the 8-bit to 16-bit? 2. If that is the case then how will 24 bit PCM sample work? Regards Amit On Thu, Jan 7, 2016 at 12:21 PM, Ralph Giles <giles at thaumas.net> wrote: > On 07/01/16

Hello Benjamin, The original WAV file I have is linear 8-bit PCM. I want to ensure that original linear formats are kept as is. Later I will add support for ulaw. Regards Amit On Fri, Jan 8, 2016 at 5:34 PM, Benjamin Schwartz < benjamin.m.schwartz at gmail.com> wrote: > Do you really need linear 8-bit PCM or do you want ulaw? Linear 8-bit is > ... pretty rare. > > On Thu,

On 07/01/16 10:04 AM, Amit Ashara wrote: > opus_decoder_ctl(sOpusDec, OPUS_SET_LSB_DEPTH(ui32BitsPerSample)); OPUS_SET_LSB_DEPTH only affects the encoder. If you check the return value here you should get OPUS_UNIMPLEMENTED. > output_samples = opus_decode(sOpusDec, (const unsigned char > *)&pcRdBuf[0], len, opi16_out, (ui32SizeOfWrBuf/ui8ScaleFactor), 0); I suspect the issue is

Hello, I have an p2p voice chat application using WAVE PCM (winmm). Now i am trying to add opus encoding to it to send it over the TCP/IP and then decoding it back to play - but without success (without opus it works ok) Here is an example of my code. I get message from input device then encode with opus then decode it back to output wave header and play. Doing it i hear only noise in my

Hi everyone, I'm trying to use Opus in an Embedded Project which I'm developing in a STM32F429IIT6 microcontroller. Currently, I'm playing wav files in it. I ported all the files from OpusLib 1.1.4 needed to compile the project, but when I try to create and OpusDecode state, it returns the error -7 (OPUS_ALLOC_FAIL). I'm compiling it with the USE_ALLOCA flag. I also tried to

On 05/06/17 08:28 AM, Ulisses Piassa wrote: > I ported all the files from OpusLib 1.1.4 needed to compile the project, > but when I try to create and OpusDecode state, it returns the error -7 > (OPUS_ALLOC_FAIL). Are you getting OPUS_ALLOC_FAIL on the opus_decoder_init() too or just on opus_decoder_create()? > I'm compiling it with the USE_ALLOCA flag. I also tried to compile it

Thanks a lot for your tips. What I have to done to debug: got the raw wav-file, compressed/decompressed it on my PC and saved OPUS packets as an array. Moved this array to the embedded platform and made sure that the frames decoded from the OPUS packets are the same. However, the high noise level was the same, but it wasn`t caused by OPUS. The problem was with my sound bus between an embedded

Hello All I have successfully run the Opus Decoder for 16-bit WAV files. However when doing the same on 8-bit, the decoder produces noise, but on 16 bit data the output is working. Both the 8 and 16 bit files are from the same source and hence except for some loss of quality on 8 bit, they are identical in total play back duration. For both 8 and 16 bit data I have used the following parameters

I wrote an opus test program to encode and decode the record data at a sequence like that: ......record something to data(variable)............... for ( i=0; i<data.maxFrameIndex; i+=480) { encoded = opus_encode(en,&data.recordedSamples[i],480,buf,4096); printf("encoded:%d\n",encoded); decoded = opus_decode(de,buf,encoded,&data2.recordedSamples[i],480,0);

On 2016-07-12 9:34 AM, Aleksandr Mikoff wrote: > If I encode each frame, decode it and send it back to the speakers I > hear a very noisy signal - it is so large, so it is almost impossible to > distinguish words in my speech... This effect can be caused by some data type issues: - If you are using opus_encode() and opus_decode(), make sure to use 16-bit signed integer samples in the

I'm new using OPUS and I've implemented the OPUS lib under PIC32MZ, using the MIPS configuration. It compiles correctly and it seems that all the procedures invoked returns no error. However, when I excite the encoder with a pure 1 kHz tone, the encoding/decoding procedure returns al the samples to silence (the buffer is filled with 0x8001 or 0x7fff). The configuration is 48000 sps, 64kHz

Hi Icecast-Mailing-Group, I am going to hold a lecture about the audiostreaming technology (Icecast) we are using at our University Radio Station. The lecture is broadcasted to the internet and it is taking place tomorrow, June 29th, starting at 17:30 (5:30 p.m.) CEST. Unfortunately the lecture is going to be in German but at least it might be interesting to all the German Icecast User. Find more

Hi everyone, Some time ago, I sent a pull request <https://github.com/xiph/opus/pull/107> to the Opus github page. Jean-Marc asked me to post it to the mailing list so everyone can have a look at it. You can find the description and code changes below. Please let me know if you have any questions or concerns. Best regards Gustaf Ullberg In WebRTC, we would like to be able to