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39 lines
1.7 KiB
Markdown
39 lines
1.7 KiB
Markdown
# Video decode performance sample
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This sample illustrates the FFMPEG demuxer to get the individual frames which are then decoded on AMD hardware using rocDecode library.
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This sample uses multiple threads to decode the same input video parallelly.
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## Prerequisites:
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* Install [rocDecode](https://rocm.docs.amd.com/projects/rocDecode/en/latest/install/rocDecode-build-and-install.html)
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* [FFMPEG](https://ffmpeg.org/about.html)
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```shell
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sudo apt install libavcodec-dev libavformat-dev libavutil-dev
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```
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## Build
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```shell
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mkdir video_decode_perf_sample && cd video_decode_perf_sample
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cmake ../
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make -j
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```
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## Run
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```shell
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./videodecodeperf -i <input video file [required]>
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-t <number of threads [optional - default:1]>
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-f <Number of decoded frames - specify the number of pictures to be decoded [optional]>
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-disp_delay <display delay - specify the number of frames to be delayed for display [optional]>
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-d <Device ID (>= 0) [optional - default:0]>
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-z <force_zero_latency - Decoded frames will be flushed out for display immediately [optional]>
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-m <Memory type (integer values between 0 to 3: specifies where to store the decoded output:
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0 = decoded output will be in internal interopped memory,
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1 = decoded output will be copied to a separate device memory
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2 = decoded output will be copied to a separate host memory
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3 = decoded output will not be available (decode only)) [optional; default: 3]>
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``` |