[FFmpeg-devel] libavcodec: add Vulkan common video code

[Lynne]

May 18, 2023, 10:34 by anton at khirnov.net:

>> commit 3257feba101053b0b3689147c1a8850f68448f62
>> Author: Lynne <dev at 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.
>

fixed


>> +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
>

Fixed all av_mallocz usage in the file