101 questions
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How to find out the byte offset of the first audio frame in an Ogg Vorbis stream
I'm hacking SoX to fix soxi's idea of the average bit-rate of an audio file; previously it did:
8 * file_size / length_in_seconds
but that makes very short files report huge bit rates, so it is to ...
- 1,017
0
votes
1
answer
1k
views
How can I configure my CMake project to install dependency packages?
I am trying to distribute a recent project - but need a way to download a few dependencies if the target OS is UNIX:
if (UNIX)
message("Detected Linux OS - install required")
#...
- 151
0
votes
0
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364
views
Opus audio, opus_decode() always fills output buffer with zeros
I slightly modified the opus provide sample file "trivial_example.c"
I modified it so instead of loading a pcm file from disk, I just create some noise using random numbers. Maybe that is ...
- 200
-1
votes
1
answer
971
views
Why this ffmpeg mp4/mkv/wmv/flv/avi to webm command line with cuda is as slow as with CPU?
im playing with my video files, I want to convert them from mp4, mkv, wmv, avi, flv, mov... to webm.
So I have written this:
for file in *
do
if [ -f "$file" ]
then filename=&...
- 101
0
votes
1
answer
363
views
Decoding with OGG/Vorbis gives no sound
I'd like to play an Ogg/Vorbis audio/video file, but right now I can't get to read audio from a file.
My algorithm to read audio is:
Initialize required structures:
vorbis_info info;
vorbis_comment ...
- 843
0
votes
0
answers
900
views
Encode WAV [or raw PCM data] to WebM in JavaScript?
BH
I'm trying to make a basic audio editor / cutter and exporter with native JavaScript, so far I have been able to read the raw PCM data of input audio files using AudioContext.deocdeAudio, as well ...
0
votes
1
answer
448
views
cmake cant generate sfml build files
I'm trying to generate build files for sfml on linux ubuntu using cmake, but the dependencies were not installed. I installed most with not issues, but one still persists. I got the following error ...
user12326560
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0
answers
237
views
Vorbis Library in a project for Mac OS X
I need to use the Vorbis Library in a project for Mac OS X. I've compiled the OGG and Vorbis libraries and added them as a framework in the project. The problem is that cannot load them when running ...
2
votes
1
answer
1k
views
How to save encoded Opus stream file as .ogg/.opus with its header in Android
I am using this library (https://github.com/theeasiestway/android-opus-codec) to encode and decode audio files. I can store the encoded opus file then decode and play via AudioTrack. But i need to ...
- 41
0
votes
0
answers
384
views
unsupported audio file format even after adding vorbisspi to classpath
guys am trying to read different audio formats with help of sound SPI.
I have added sound SPI to classpath but still for some reason its not being used/or not detected.
Am using vorbisspi and am ...
- 103
2
votes
1
answer
5k
views
How to get audio file metadata container's data for flac and ogg
Is there a command to tell me what type of metadata container is using a file?
Something like: command myfile.flac saying: vorbis comment or id3v2.
- 1,618
0
votes
0
answers
38
views
Process opus audio stream in Javascript to find volume [duplicate]
I'm writing a program in Javascript and I've managed to get an opus audio stream working but I need to find the volume from this stream.
Anyone got any ideas on how this could be done?
Thanks :)
0
votes
1
answer
242
views
Split ogg vorbis stream without BOS
Input: a stream of ogg/vorbis coming from an encoder chip of an embedded system.
Problem: create output chunks of one second without transcoding.
Issue: the stream is being read "in the middle", so ...
- 384
0
votes
1
answer
528
views
how compile .c file when using vorbis library. undefined reference to vorbis_info_init
I installed libvorbis-div with sudo apt install libvorbis-dev.
But when i tried to compile my simple code with gcc a.c command, i get "undefined reference to `vorbis_info_init'" error.
a.c
#include ...
- 124
0
votes
1
answer
549
views
Live stream audio files using NAudio and Vorbis
I have access to files that contain audio streams in ogg format. They are continuous and are played in our html files using an audio tag:
<div style="display: none;">
<audio ...
- 67