555 questions
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votes
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21
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Using VIDIOC_STREAMON and VIDIOC_QBUF
I'm facing the issue while testing hw accelirated decoding in Chromium. After some investigation I found out that at the start of decoding Chromuim calls VIDIOC_STREAMON ioctl first and the starts to ...
- 21
0
votes
0
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20
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Netty. What may be a reson second processing the same frame?
I have a pipeline definition. My server correctly decodes the frame and generates the appropriate response using the encoder. However, after this, the decoders are run a second time with the same ...
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73
views
Issue with decoding h.264 with Gstreamer
I have a problem with decoding h.264 file. The Gstreamer pipeline fails with the following message:
...................
0:00:01.968415100 2374 0x3fa0000b70 DEBUG v4l2videodec ...
- 21
-1
votes
1
answer
72
views
How to decode url like base64
my brothers. I have an encrypted link that is similar to base64. I have tried many times to restore it to its previous state, but to no avail. Is there anyone who can do that?
==...
0
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0
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81
views
Why Java Encoder and Decoder Not Working Correctly
How to properly encode strings in java? I'm trying to encode the letter Ü in utf-8 and I'm getting garbage results - d093d19a instead of C39C. What could be the problem?
package org.example;
import ...
- 11
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77
views
How to interpret the look_ahead_mask when training a generative transformer in tensorflow (2.10.1)?
I'm trying to implement a training loop for a transformer, using an encoder/decoder pair. Based on my understanding of how transformers work, I was expecting that to generate my output sequence, I ...
0
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12
views
Spark Hbase Phoenix(SHC) connector result wrong value for Date field
I am new to the SHC connector.
I am trying to decode values stores in Hbase via Phoenix SQL using Spark.
Below is my Phoenix table syntax:
CREATE TABLE SOME_NAMESPACE.some_sample_table(
col1 VARCHAR ...
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37
views
How to handle AVI XVID Packed Bitstream in Mediacodec
I am working on fix for VLC Android issue
In VLC Android (HW acceleration on) and in native android video player playback of videos with xvid packed bitstream is jerky. In VLC when hw acceleration off ...
- 3
0
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53
views
How to find out the FPS in a video using Nvidia DALI?
I need to know the time of each frame in the video, for this I want to use FPS, but, unfortunately, I could not find any information in the documentation on how to get FPS from the read video.
@...
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31
views
How can I integrate a custom video decoder into Mozilla?
I'm working on integrating a custom video decoder on an Android device and would like to do so through the Mozilla browser. To accomplish this, I need to understand how the source code is built for ...
0
votes
0
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16
views
Alphabet size mismatch with model output shape | alphabet.GetSize()+1) == (class_dim)
Using the CTC Beam Search Decoder of DeepSpeech I get the following error:
[ctc_beam_search_decoder.cpp:279] FATAL: "(alphabet.GetSize()+1) == (class_dim)" check failed. Number of output ...
- 207
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84
views
in transformers _greedy_search(), generate next token hidden state from prev decoder hidden state
In utils.py of transformers: _greedy_search() function generates sequences of token ids for models with a language modeling head using greedy decoding. As model_inputs, input_ids (or token) are taken ...
- 690
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0
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88
views
ViTMAE hidden states from encoder to a Unet decoder for binary semantic segmentation. (Huggingface ViTMAEModel)
I don't understand how to pass the hidden_states of the ViTMAEModel encoder into the Unet Decoder. I saw a visual on how a version of what I'm trying to do is done and it involves "reshaping"...
- 1
0
votes
1
answer
150
views
Viterbi Decoder VHDL project
I'm making a Viterbi Decoder on VHDL and almost everything seems to be working as planned, all of the arrays are filled correctly.
The only problem is that the final step of outputing decoded bits isn'...
- 11
0
votes
0
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43
views
DPDK bbdev test vector for turbo decoder on acc100
one of the test vectors for turbo decoder in acc100 (dpdk bbdev) is as follows. I understand that the hard output is 40 bits but I do not understand how is the input data interpreted! In other words ...
- 175