Function vulkan_decode_get_profile

libavcodec/vulkan_decode.c:859–1134

}

static int vulkan_decode_get_profile(AVCodecContext *avctx, AVBufferRef *frames_ref,
                                     enum AVPixelFormat *pix_fmt, VkFormat *vk_fmt,
                                     FFVulkanDecodeProfileData *prof,
                                     int *dpb_dedicate)
{
    VkResult ret;
    int max_level, base_profile, cur_profile;
    const FFVulkanDecodeDescriptor *vk_desc = get_codecdesc(avctx->codec_id);
    AVHWFramesContext *frames = (AVHWFramesContext *)frames_ref->data;
    AVHWDeviceContext *device = (AVHWDeviceContext *)frames->device_ref->data;
    AVVulkanDeviceContext *hwctx = device->hwctx;
    enum AVPixelFormat source_format;
    enum AVPixelFormat best_format;
    VkFormat best_vkfmt;

    FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
    FFVulkanDecodeShared *ctx = dec->shared_ctx;
    FFVulkanFunctions *vk = &ctx->s.vkfn;

    VkVideoCapabilitiesKHR *caps = &ctx->caps;
    VkVideoDecodeCapabilitiesKHR *dec_caps = &ctx->dec_caps;

    VkVideoDecodeH264CapabilitiesKHR h264_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_CAPABILITIES_KHR,
    };
    VkVideoDecodeH265CapabilitiesKHR h265_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_H265_CAPABILITIES_KHR,
    };
#if CONFIG_VP9_VULKAN_HWACCEL
    VkVideoDecodeVP9CapabilitiesKHR vp9_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_VP9_CAPABILITIES_KHR,
    };
#endif
    VkVideoDecodeAV1CapabilitiesKHR av1_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_DECODE_AV1_CAPABILITIES_KHR,
    };

    VkPhysicalDeviceVideoFormatInfoKHR fmt_info = {
        .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VIDEO_FORMAT_INFO_KHR,
        .pNext = &prof->profile_list,
    };
    VkVideoFormatPropertiesKHR *ret_info;
    uint32_t nb_out_fmts = 0;

    if (!(vk_desc->decode_extension & ctx->s.extensions)) {
        av_log(avctx, AV_LOG_ERROR, "Device does not support decoding %s!\n",
               avcodec_get_name(avctx->codec_id));
        return AVERROR(ENOSYS);
    }

    cur_profile = avctx->profile;
    base_profile = avctx->codec_id == AV_CODEC_ID_H264 ? AV_PROFILE_H264_CONSTRAINED_BASELINE :
                   avctx->codec_id == AV_CODEC_ID_H265 ? AV_PROFILE_HEVC_MAIN :
#if CONFIG_VP9_VULKAN_HWACCEL
                   avctx->codec_id == AV_CODEC_ID_VP9  ? STD_VIDEO_VP9_PROFILE_0 :
#endif
                   avctx->codec_id == AV_CODEC_ID_AV1  ? STD_VIDEO_AV1_PROFILE_MAIN :
                   0;