Files

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jeffqjiangNew 29cfd4a541 Added real decode speed report to set it apart from the current output speed report in sample apps (#409 )

* * rocDecode: Added real decode speed report.
 - The current decode speed report is actually output/display speed report.
 - Due to AV1's extensive use of alternate reference frames that are not display, AV1 decoded frame count and output/displayed frame count can be quite different, making the current speed report not an accurate decode speed measurement.
 - We now added the actual decode speed report, besides the existing speed report, now called output/display FPS.

* * rocDecode: Added real decode speed report.
 - The current decode speed report is actually output/display speed report.
 - Due to AV1's extensive use of alternate reference frames that are not display, AV1 decoded frame count and output/displayed frame count can be quite different, making the current speed report not an accurate decode speed measurement.
 - We now added the actual decode speed report, besides the existing speed report, now called output/display FPS.

* * rocDecode/Sample script: Added missing changes for sample_mode 0 case.

[ROCm/rocdecode commit: 6253248188]

2024-08-20 17:43:33 -04:00

CMakeLists.txt

Organizing the install location of the rocdecode utils headers (#296 )

2024-03-26 12:47:37 -04:00

README.md

rocDecode: Added decode buffer pool implementation for AVC and HEVC. (#355 )

2024-05-31 13:14:02 -04:00

videodecode.cpp

Added real decode speed report to set it apart from the current output speed report in sample apps (#409 )

2024-08-20 17:43:33 -04:00

README.md

Video decode sample

The video decode sample illustrates decoding a single packetized video stream using FFMPEG demuxer, video parser, and rocDecoder to get the individual decoded frames in YUV format. This sample can be configured with a device ID and optionally able to dump the output to a file. This sample uses the high-level RocVideoDecoder class which connects both the video parser and Rocdecoder. This process repeats in a loop until all frames have been decoded.

Prerequisites:

Install rocDecode
FFMPEG
- On Ubuntu
```
sudo apt install ffmpeg libavcodec-dev libavformat-dev libavutil-dev
```
- On RHEL/SLES - install ffmpeg development packages manually or use rocDecode-setup.py script

Build

mkdir video_decode_sample && cd video_decode_sample
cmake ../
make -j

Run

./videodecode -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]>
              -f <Number of decoded frames - specify the number of pictures to be decoded [optional]>
              -z <force_zero_latency - Decoded frames will be flushed out for display immediately [optional]>
              -disp_delay <display delay - specify the number of frames to be delayed for display [optional]>
              -sei <extract SEI messages [optional]>
              -md5 <generate MD5 message digest on the decoded YUV image sequence [optional]>
              -md5_check MD5_File_Path <generate MD5 message digest on the decoded YUV image sequence and compare to the reference MD5 string in a file [optional]>
              -crop <crop rectangle for output (not used when using interopped decoded frame) [optional - default: 0,0,0,0]>
              -m <output_surface_memory_type - decoded surface memory [optional - default: 0][0 : OUT_SURFACE_MEM_DEV_INTERNAL/ 1 : OUT_SURFACE_MEM_DEV_COPIED/ 2 : OUT_SURFACE_MEM_HOST_COPIED/3 : OUT_SURFACE_MEM_NOT_MAPPED]>