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Code Issues Releases Activity

ffv1enc_vulkan: disable autodetection of async_depth

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The issue is that this could consume gigabytes of VRAM at higher
resolutions for not that much of a speedup.
Automatic detection was not a good idea as we can't know how much
VRAM is actually free.
Just remove it.
This commit is contained in:
Lynne
2025-02-21 22:34:14 +00:00
parent 85d81dcfd6
commit bb87d19cd9
1 changed files with 1 additions and 6 deletions
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7
libavcodec/ffv1enc_vulkan.c
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@ -1631,11 +1631,6 @@ static av_cold int vulkan_encode_ffv1_init(AVCodecContext *avctx)
max_heap_size = max_heap_size - (max_heap_size >> 3);
}
if (!fv->async_depth) {
fv->async_depth = FFMIN(fv->qf->num, FFMAX(max_heap_size / maxsize, 1));
fv->async_depth = FFMAX(fv->async_depth, 1);
}
av_log(avctx, AV_LOG_INFO, "Async buffers: %zuMiB per context, %zuMiB total, depth: %i\n",
maxsize / (1024*1024),
(fv->async_depth * maxsize) / (1024*1024),
@ -1820,7 +1815,7 @@ static const AVOption vulkan_encode_ffv1_options[] = {
{ .i64 = 0 }, 0, 1, VE },
{ "async_depth", "Internal parallelization depth", OFFSET(async_depth), AV_OPT_TYPE_INT,
{ .i64 = 0 }, 0, INT_MAX, VE },
{ .i64 = 1 }, 1, INT_MAX, VE },
{ NULL }
};