Function init_profile

libavcodec/vulkan_encode_av1.c:588–687

}

static int init_profile(AVCodecContext *avctx,
                        VkVideoProfileInfoKHR *profile, void *pnext)
{
    VkResult ret;
    VulkanEncodeAV1Context *enc = avctx->priv_data;
    FFVulkanEncodeContext *ctx = &enc->common;
    FFVulkanContext *s = &ctx->s;
    FFVulkanFunctions *vk = &ctx->s.vkfn;
    FFHWBaseEncodeContext *base_ctx = &ctx->base;

    VkVideoEncodeAV1CapabilitiesKHR av1_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_CAPABILITIES_KHR,
    };
    VkVideoEncodeCapabilitiesKHR enc_caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_CAPABILITIES_KHR,
        .pNext = &av1_caps,
    };
    VkVideoCapabilitiesKHR caps = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_CAPABILITIES_KHR,
        .pNext = &enc_caps,
    };

    /* In order of preference */
    int last_supported = AV_PROFILE_UNKNOWN;
    static const int known_profiles[] = {
        AV_PROFILE_AV1_MAIN,
        AV_PROFILE_AV1_HIGH,
        AV_PROFILE_AV1_PROFESSIONAL,
    };
    int nb_profiles = FF_ARRAY_ELEMS(known_profiles);

    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->frames->sw_format);
    if (!desc)
        return AVERROR(EINVAL);

    if (s->frames->sw_format == AV_PIX_FMT_NV12 ||
        s->frames->sw_format == AV_PIX_FMT_P010)
        nb_profiles = 1;

    enc->profile = (VkVideoEncodeAV1ProfileInfoKHR) {
        .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_PROFILE_INFO_KHR,
        .pNext = pnext,
        .stdProfile = ff_vk_av1_profile_to_vk(avctx->profile),
    };
    profile->pNext = &enc->profile;

    /* Set level */
    if (avctx->level == AV_LEVEL_UNKNOWN) {
        const AV1LevelDescriptor *level;
        float framerate = 0.0;

        if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
            framerate = av_q2d(avctx->framerate);

        level = ff_av1_guess_level(avctx->bit_rate, enc->seq_tier,
                                   base_ctx->surface_width, base_ctx->surface_height,
                                   enc->tile_rows * enc->tile_cols,
                                   enc->tile_cols, framerate);