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avfilter/vf_libplacebo: ensure filter hwdevice is a vulkan one 

Before this, the filter blindly casts to AVVulkanDeviceContext and
passes invalid values to libplacebo if it's not.
This commit is contained in:
Timo Rothenpieler 2022-12-04 15:22:13 +01:00
parent fc016fd665
commit ee650398ec
1 changed files with 10 additions and 1 deletions
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11
libavfilter/vf_libplacebo.c
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@ -252,6 +252,7 @@ static int init_vulkan(AVFilterContext *avctx)
{
int err = 0;
LibplaceboContext *s = avctx->priv;
const AVHWDeviceContext *avhwctx;
const AVVulkanDeviceContext *hwctx;
uint8_t *buf = NULL;
size_t buf_len;
@ -261,7 +262,15 @@ static int init_vulkan(AVFilterContext *avctx)
return AVERROR(EINVAL);
}
hwctx = ((AVHWDeviceContext*) avctx->hw_device_ctx->data)->hwctx;
avhwctx = avctx->hw_device_ctx->data;
if (avhwctx->type != AV_HWDEVICE_TYPE_VULKAN) {
av_log(s, AV_LOG_ERROR, "Expected vulkan hwdevice for vf_libplacebo, got %s.\n",
av_hwdevice_get_type_name(avhwctx->type));
return AVERROR(EINVAL);
}
hwctx = avhwctx->hwctx;
/* Import libavfilter vulkan context into libplacebo */
s->vulkan = pl_vulkan_import(s->log, pl_vulkan_import_params(