> commit 3257feba101053b0b3689147c1a8850f68448f62
> Author: Lynne <d...@lynne.ee>
> Date: Sun Dec 18 08:31:03 2022 +0100
>
> libavcodec: add Vulkan common video code
>
> +static AVBufferRef *alloc_data_buf(void *opaque, size_t size)
> +{
> + uint8_t *buf = av_mallocz(size);
> + if (!buf)
> + return NULL;
> +
> + return av_buffer_create(buf, size, free_data_buf, opaque, 0);
leaks buf on av_buffer_create() failure.
> +av_cold int ff_vk_video_common_init(void *log, FFVulkanContext *s,
> + FFVkVideoCommon *common,
> + VkVideoSessionCreateInfoKHR
> *session_create)
> +{
> + int err;
> + VkResult ret;
> + FFVulkanFunctions *vk = &s->vkfn;
> + VkMemoryRequirements2 *mem_req = NULL;
> + VkVideoSessionMemoryRequirementsKHR *mem = NULL;
> + VkBindVideoSessionMemoryInfoKHR *bind_mem = NULL;
> +
> + /* Create session */
> + ret = vk->CreateVideoSessionKHR(s->hwctx->act_dev, session_create,
> + s->hwctx->alloc, &common->session);
> + if (ret != VK_SUCCESS)
> + return AVERROR_EXTERNAL;
> +
> + /* Get memory requirements */
> + ret = vk->GetVideoSessionMemoryRequirementsKHR(s->hwctx->act_dev,
> + common->session,
> + &common->nb_mem,
> + NULL);
> + if (ret != VK_SUCCESS) {
> + err = AVERROR_EXTERNAL;
> + goto fail;
> + }
> +
> + /* Allocate all memory needed to actually allocate memory */
> + common->mem = av_mallocz(sizeof(*common->mem)*common->nb_mem);
av_calloc(), same below
--
Anton Khirnov
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