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authorLynne <dev@lynne.ee>2025-06-05 00:52:23 +0900
committerLynne <dev@lynne.ee>2025-06-10 22:26:14 +0900
commitf531c91170773032c2c8ab7d390e7a6a1382c77b (patch)
tree494b0594b47c7d65a3fe02303229053fe82cd850 /libavutil/hwcontext_vulkan.c
parent26d17709e7dca49d5959ca31f9626a603f0bbaee (diff)
downloadffmpeg-f531c91170773032c2c8ab7d390e7a6a1382c77b.tar.gz
hwcontext_vulkan: add a setting to limit queues
If its a problem, you'll likely want to set it to 1 than more fine-grained control, which you can already do via the API.
Diffstat (limited to 'libavutil/hwcontext_vulkan.c')
-rw-r--r--libavutil/hwcontext_vulkan.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 1c298a0b18..6402030afe 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -143,6 +143,9 @@ typedef struct VulkanDevicePriv {
/* Disable multiplane images */
int disable_multiplane;
+ /* Maximum queues */
+ int limit_queues;
+
/* Nvidia */
int dev_is_nvidia;
} VulkanDevicePriv;
@@ -1509,9 +1512,14 @@ static int setup_queue_families(AVHWDeviceContext *ctx, VkDeviceCreateInfo *cd)
if (i == hwctx->nb_qf) { \
hwctx->qf[i].idx = idx; \
hwctx->qf[i].num = qf[idx].queueFamilyProperties.queueCount; \
- if (dprops.driverID == VK_DRIVER_ID_NVIDIA_PROPRIETARY) { \
+ if (p->limit_queues || \
+ dprops.driverID == VK_DRIVER_ID_NVIDIA_PROPRIETARY) { \
+ int max = p->limit_queues; \
if (type == VK_QUEUE_GRAPHICS_BIT) \
- hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, 1); \
+ hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, \
+ max ? max : 1); \
+ else if (max) \
+ hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, max); \
} \
hwctx->qf[i].flags = type; \
hwctx->qf[i].video_caps = vid_op; \
@@ -1718,6 +1726,11 @@ static int vulkan_device_create_internal(AVHWDeviceContext *ctx,
if (opt_d)
p->use_linear_images = strtol(opt_d->value, NULL, 10);
+ /* Limit queues to a given number if needed */
+ opt_d = av_dict_get(opts, "limit_queues", NULL, 0);
+ if (opt_d)
+ p->limit_queues = strtol(opt_d->value, NULL, 10);
+
/* The disable_multiplane argument takes precedent over the option */
p->disable_multiplane = disable_multiplane;
if (!p->disable_multiplane) {