Function ff_vaapi_encode_init

libavcodec/vaapi_encode.c:2157–2343

}

av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
{
    FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
    VAAPIEncodeContext         *ctx = avctx->priv_data;
    AVVAAPIFramesContext *recon_hwctx = NULL;
    VAStatus vas;
    int err;

    err = ff_hw_base_encode_init(avctx, base_ctx);
    if (err < 0)
        goto fail;

    ctx->va_config  = VA_INVALID_ID;
    ctx->va_context = VA_INVALID_ID;

    base_ctx->op = &vaapi_op;

    ctx->hwctx = base_ctx->device->hwctx;

    err = vaapi_encode_profile_entrypoint(avctx);
    if (err < 0)
        goto fail;

    err = vaapi_encode_surface_alignment(avctx);
    if (err < 0)
        goto fail;

    if (ctx->codec->get_encoder_caps) {
        err = ctx->codec->get_encoder_caps(avctx);
        if (err < 0)
            goto fail;
    } else {
        // Assume 16x16 blocks.
        base_ctx->surface_width  = FFALIGN(avctx->width,  16);
        base_ctx->surface_height = FFALIGN(avctx->height, 16);
        if (ctx->codec->flags & FF_HW_FLAG_SLICE_CONTROL) {
            base_ctx->slice_block_width  = 16;
            base_ctx->slice_block_height = 16;
        }
    }

    err = vaapi_encode_init_rate_control(avctx);
    if (err < 0)
        goto fail;

    err = vaapi_encode_init_gop_structure(avctx);
    if (err < 0)
        goto fail;

    err = vaapi_encode_init_slice_structure(avctx);
    if (err < 0)
        goto fail;

    err = vaapi_encode_init_packed_headers(avctx);
    if (err < 0)
        goto fail;

    err = vaapi_encode_init_roi(avctx);