Function amf_init_frames_context

libavcodec/amfdec.c:239–267

}

static int amf_init_frames_context(AVCodecContext *avctx, int sw_format, int new_width, int new_height)
{
    int ret;
    AVHWDeviceContext *hwdev_ctx;
    AVHWFramesContext *hwframes_ctx;
    AMFDecoderContext *ctx;
    if (!avctx->hw_frames_ctx || !avctx->hw_device_ctx)
        return 0;
    hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
    hwframes_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
    ctx = avctx->priv_data;

    if (hwdev_ctx->type != AV_HWDEVICE_TYPE_AMF)
        return 0;

    hwframes_ctx->width             = new_width;
    hwframes_ctx->height            = new_height;
    hwframes_ctx->format            = AV_PIX_FMT_AMF_SURFACE;
    hwframes_ctx->sw_format         = sw_format;
    hwframes_ctx->initial_pool_size = ctx->surface_pool_size + 8;

    ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
    if (ret < 0) {
        av_log(NULL, AV_LOG_ERROR, "Error initializing a AMF frame pool\n");
        av_buffer_unref(&avctx->hw_frames_ctx);
        return ret;
    }
    return 0;
}

static int amf_decode_init(AVCodecContext *avctx)
{