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.
---
libavutil/hwcontext_vulkan.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 243d68dc44..2d3a95d263 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;
@@ -1509,13 +1512,18 @@ 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); \
if (type == VK_QUEUE_COMPUTE_BIT) \
- hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, 4); \
+ hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, \
+ max ? max : 4); \
if (type == VK_QUEUE_TRANSFER_BIT) \
- hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, 2); \
+ hwctx->qf[i].num = FFMIN(hwctx->qf[i].num, \
+ max ? max : 2); \
} \
hwctx->qf[i].flags = type; \
hwctx->qf[i].video_caps = vid_op; \
@@ -1722,6 +1730,11 @@ 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) {
--
2.49.0.395.g12beb8f557c
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
