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Lakshmi Kumar 18d82d1f2b Samples - adding a sample to illustrate StreamProvider for demuxer (#99 )

* mem sample

* changes to match c++ style

* ffmpeg log

* readme update

* readme clean up

[ROCm/rocdecode commit: 22de4fbc6f]

2023-11-29 11:22:21 -05:00

CMakeLists.txt

Samples - adding a sample to illustrate StreamProvider for demuxer (#99 )

2023-11-29 11:22:21 -05:00

README.md

Samples - adding a sample to illustrate StreamProvider for demuxer (#99 )

2023-11-29 11:22:21 -05:00

videodecodemem.cpp

Samples - adding a sample to illustrate StreamProvider for demuxer (#99 )

2023-11-29 11:22:21 -05:00

README.md

Video Decode Sample

This sample illustrates a way to pass the data chunk-by-chunk sequentially to the FFMPEG demuxer which are then decoded on AMD hardware using rocDecode library.

Prerequisites:

Linux distribution
- Ubuntu - 20.04 / 22.04
ROCm supported hardware
Install ROCm 5.5 or later with --usecase=graphics,rocm --no-32
rocDecode
CMake 3.5 or later
FFMPEG
```
sudo apt install ffmpeg
```

Build

mkdir build
cd build
cmake ../
make -j

Run

./videodecodemem -i <input video file [required]> 
              -o <output path to save decoded YUV frames [optional]> 
              -d <GPU device ID - 0:device 0 / 1:device 1/ ... [optional - default:0]>
              -z <force_zero_latency - Decoded frames will be flushed out for display immediately [optional]>
              -sei <extract SEI messages [optional]>
              -crop <crop rectangle for output (not used when using interopped decoded frame) [optional - default: 0,0,0,0]>